[INFO] cloning repository https://github.com/tlatzko/rifts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tlatzko/rifts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlatzko%2Frifts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlatzko%2Frifts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4fee028a9c10a31becc67304e09db8e1c30361c
[INFO] testing tlatzko/rifts against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlatzko%2Frifts" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tlatzko/rifts on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tlatzko/rifts
[INFO] finished tweaking git repo https://github.com/tlatzko/rifts
[INFO] tweaked toml for git repo https://github.com/tlatzko/rifts written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tlatzko/rifts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-0/source/examples/cub_ex.rs
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-0/source/examples/cub_ex.rs
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45af6a0aea370ce874ba44e5a3228cbed40e1eeb03fcd991ae42bf120e7d8e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a45af6a0aea370ce874ba44e5a3228cbed40e1eeb03fcd991ae42bf120e7d8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45af6a0aea370ce874ba44e5a3228cbed40e1eeb03fcd991ae42bf120e7d8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45af6a0aea370ce874ba44e5a3228cbed40e1eeb03fcd991ae42bf120e7d8e9", kill_on_drop: false }`
[INFO] [stdout] a45af6a0aea370ce874ba44e5a3228cbed40e1eeb03fcd991ae42bf120e7d8e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e14e3514bfea29daffeec156e04b2c703ae6f2e3c5824e9b20ce93ec149391c2
[INFO] running `Command { std: "docker" "start" "-a" "e14e3514bfea29daffeec156e04b2c703ae6f2e3c5824e9b20ce93ec149391c2", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/cub_ex.rs
[INFO] [stderr]    Compiling gifts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Ok(try!(self.read_u64().map(|x| x as usize)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(self.read_type::<u64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(self.read_type::<u32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         try!(self.read_type::<u16>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         try!(self.read_type::<u8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(self.read_type::<i64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         try!(self.read_type::<i32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(self.read_type::<i16>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(self.read_type::<i8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:216:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let x = try!(self.read_i8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |         try!(self.read_type::<f64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         try!(self.read_type::<f32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = try!(self.reader.read(&mut buf[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:254:23
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 match try!(self.reader.read(&mut buf[start .. width])) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:262:19
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let res = try!(match str::from_utf8(&buf[..width]).ok() {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(self.read_bytes(res.len_utf8() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         try!(self.read_bytes(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.reader.by_ref().take(len as u64).read_to_end(&mut buff));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let id = try!(self.read_u32());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let x = try!(self.read_u8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:369:19
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:380:19
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fileio/reader.rs:115:32
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `frame_value_type` should have an upper camel case name
[INFO] [stdout]   --> src/fileio/cuboid.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type frame_value_type = u16;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FrameValueType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/math/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / macro_rules! poly_val {
[INFO] [stdout] 26 | |     (
[INFO] [stdout] 27 | |         $p0:expr, $( $p_rest:expr),* 
[INFO] [stdout] 28 | |             ) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     };
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CuboidFrame`
[INFO] [stdout]   --> src/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use fileio::cuboid::{CuboidFile, CuboidFrame};
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/fileio/reader.rs:109:48
[INFO] [stdout]     |
[INFO] [stdout] 109 |             DecodingError::IoError(ref err) => Error::description(err),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/fileio/reader.rs:117:56
[INFO] [stdout]     |
[INFO] [stdout] 117 |             DecodingError::IoError(ref err)     => err.cause(),
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/lib.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let d = match rx2.recv() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:112:54
[INFO] [stdout]     |
[INFO] [stdout] 112 |        let header: CuboidFrameHeader = decode_struct(&mut self.file).unwrap();
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cub_reader`
[INFO] [stdout]   --> src/lib.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |            self.file.read(&mut byte_map);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "e14e3514bfea29daffeec156e04b2c703ae6f2e3c5824e9b20ce93ec149391c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14e3514bfea29daffeec156e04b2c703ae6f2e3c5824e9b20ce93ec149391c2", kill_on_drop: false }`
[INFO] [stdout] e14e3514bfea29daffeec156e04b2c703ae6f2e3c5824e9b20ce93ec149391c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed745629b25295083c5d35ec87db4e62824c732ac40d6e61675505153ab20acc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed745629b25295083c5d35ec87db4e62824c732ac40d6e61675505153ab20acc", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/cub_ex.rs
[INFO] [stderr]    Compiling gifts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Ok(try!(self.read_u64().map(|x| x as usize)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(self.read_type::<u64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(self.read_type::<u32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         try!(self.read_type::<u16>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         try!(self.read_type::<u8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(self.read_type::<i64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         try!(self.read_type::<i32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(self.read_type::<i16>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(self.read_type::<i8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:216:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let x = try!(self.read_i8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |         try!(self.read_type::<f64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         try!(self.read_type::<f32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = try!(self.reader.read(&mut buf[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:254:23
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 match try!(self.reader.read(&mut buf[start .. width])) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:262:19
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let res = try!(match str::from_utf8(&buf[..width]).ok() {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(self.read_bytes(res.len_utf8() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         try!(self.read_bytes(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.reader.by_ref().take(len as u64).read_to_end(&mut buff));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let id = try!(self.read_u32());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let x = try!(self.read_u8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:369:19
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:380:19
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fileio/reader.rs:115:32
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `frame_value_type` should have an upper camel case name
[INFO] [stdout]   --> src/fileio/cuboid.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type frame_value_type = u16;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FrameValueType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/math/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / macro_rules! poly_val {
[INFO] [stdout] 26 | |     (
[INFO] [stdout] 27 | |         $p0:expr, $( $p_rest:expr),* 
[INFO] [stdout] 28 | |             ) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     };
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CuboidFrame`
[INFO] [stdout]   --> src/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use fileio::cuboid::{CuboidFile, CuboidFrame};
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/fileio/reader.rs:109:48
[INFO] [stdout]     |
[INFO] [stdout] 109 |             DecodingError::IoError(ref err) => Error::description(err),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/fileio/reader.rs:117:56
[INFO] [stdout]     |
[INFO] [stdout] 117 |             DecodingError::IoError(ref err)     => err.cause(),
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/lib.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let d = match rx2.recv() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:112:54
[INFO] [stdout]     |
[INFO] [stdout] 112 |        let header: CuboidFrameHeader = decode_struct(&mut self.file).unwrap();
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cub_reader`
[INFO] [stdout]   --> src/lib.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |            self.file.read(&mut byte_map);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Ok(try!(self.read_u64().map(|x| x as usize)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(self.read_type::<u64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(self.read_type::<u32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         try!(self.read_type::<u16>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         try!(self.read_type::<u8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(self.read_type::<i64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         try!(self.read_type::<i32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(self.read_type::<i16>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(self.read_type::<i8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:216:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let x = try!(self.read_i8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |         try!(self.read_type::<f64>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         try!(self.read_type::<f32>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = try!(self.reader.read(&mut buf[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:254:23
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 match try!(self.reader.read(&mut buf[start .. width])) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:262:19
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let res = try!(match str::from_utf8(&buf[..width]).ok() {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(self.read_bytes(res.len_utf8() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         try!(self.read_bytes(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.reader.by_ref().take(len as u64).read_to_end(&mut buff));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let id = try!(self.read_u32());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let x = try!(self.read_u8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:369:19
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fileio/reader.rs:380:19
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let len = try!(self.read_usize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fileio/reader.rs:115:32
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `frame_value_type` should have an upper camel case name
[INFO] [stdout]   --> src/fileio/cuboid.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type frame_value_type = u16;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FrameValueType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/math/mod.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 )*;
[INFO] [stdout]    |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 55 |     let p = poly_val!(0.2, 0.3, 0.4, 0.1);
[INFO] [stdout]    |             ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CuboidFrame`
[INFO] [stdout]   --> src/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use fileio::cuboid::{CuboidFile, CuboidFrame};
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/fileio/reader.rs:109:48
[INFO] [stdout]     |
[INFO] [stdout] 109 |             DecodingError::IoError(ref err) => Error::description(err),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/fileio/reader.rs:117:56
[INFO] [stdout]     |
[INFO] [stdout] 117 |             DecodingError::IoError(ref err)     => err.cause(),
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/lib.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let d = match rx2.recv() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:112:54
[INFO] [stdout]     |
[INFO] [stdout] 112 |        let header: CuboidFrameHeader = decode_struct(&mut self.file).unwrap();
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:155:54
[INFO] [stdout]     |
[INFO] [stdout] 155 |         println!("cub w {} frame status {} time {}", cub.header.length,
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/fileio/cuboid.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 |                  frame.header.status,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cub_reader`
[INFO] [stdout]   --> src/lib.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fileio/cuboid.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |            self.file.read(&mut byte_map);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "ed745629b25295083c5d35ec87db4e62824c732ac40d6e61675505153ab20acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed745629b25295083c5d35ec87db4e62824c732ac40d6e61675505153ab20acc", kill_on_drop: false }`
[INFO] [stdout] ed745629b25295083c5d35ec87db4e62824c732ac40d6e61675505153ab20acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6624cfb9c3634acaf6f0526a7985576a831da2eae4e918371c61050a6125b950
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6624cfb9c3634acaf6f0526a7985576a831da2eae4e918371c61050a6125b950", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/cub_ex.rs
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |         Ok(try!(self.read_u64().map(|x| x as usize)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(self.read_type::<u64>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.read_type::<u32>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         try!(self.read_type::<u16>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.read_type::<u8>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(self.read_type::<i64>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         try!(self.read_type::<i32>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(self.read_type::<i16>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(self.read_type::<i8>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let x = try!(self.read_i8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         try!(self.read_type::<f64>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         try!(self.read_type::<f32>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:244:17
[INFO] [stderr]     |
[INFO] [stderr] 244 |         let _ = try!(self.reader.read(&mut buf[..]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:254:23
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 match try!(self.reader.read(&mut buf[start .. width])) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:262:19
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let res = try!(match str::from_utf8(&buf[..width]).ok() {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!(self.read_bytes(res.len_utf8() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:272:19
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let len = try!(self.read_usize());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |         try!(self.read_bytes(len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         try!(self.reader.by_ref().take(len as u64).read_to_end(&mut buff));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:293:18
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let id = try!(self.read_u32());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |         let x = try!(self.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:369:19
[INFO] [stderr]     |
[INFO] [stderr] 369 |         let len = try!(self.read_usize());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:380:19
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let len = try!(self.read_usize());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fileio/reader.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `frame_value_type` should have an upper camel case name
[INFO] [stderr]   --> src/fileio/cuboid.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type frame_value_type = u16;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FrameValueType`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/math/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / macro_rules! poly_val {
[INFO] [stderr] 26 | |     (
[INFO] [stderr] 27 | |         $p0:expr, $( $p_rest:expr),* 
[INFO] [stderr] 28 | |             ) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     };
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CuboidFrame`
[INFO] [stderr]   --> src/lib.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 | use fileio::cuboid::{CuboidFile, CuboidFrame};
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/fileio/reader.rs:109:48
[INFO] [stderr]     |
[INFO] [stderr] 109 |             DecodingError::IoError(ref err) => Error::description(err),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/fileio/reader.rs:117:56
[INFO] [stderr]     |
[INFO] [stderr] 117 |             DecodingError::IoError(ref err)     => err.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/lib.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stderr]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/lib.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let d = match rx2.recv() {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:112:54
[INFO] [stderr]     |
[INFO] [stderr] 112 |        let header: CuboidFrameHeader = decode_struct(&mut self.file).unwrap();
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cub_reader`
[INFO] [stderr]   --> src/lib.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/fileio/cuboid.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/fileio/cuboid.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/fileio/cuboid.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr] 126 |            self.file.read(&mut byte_map);
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |         Ok(try!(self.read_u64().map(|x| x as usize)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(self.read_type::<u64>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.read_type::<u32>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         try!(self.read_type::<u16>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.read_type::<u8>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(self.read_type::<i64>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         try!(self.read_type::<i32>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(self.read_type::<i16>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(self.read_type::<i8>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let x = try!(self.read_i8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         try!(self.read_type::<f64>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         try!(self.read_type::<f32>());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:244:17
[INFO] [stderr]     |
[INFO] [stderr] 244 |         let _ = try!(self.reader.read(&mut buf[..]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:254:23
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 match try!(self.reader.read(&mut buf[start .. width])) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:262:19
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let res = try!(match str::from_utf8(&buf[..width]).ok() {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!(self.read_bytes(res.len_utf8() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:272:19
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let len = try!(self.read_usize());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |         try!(self.read_bytes(len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         try!(self.reader.by_ref().take(len as u64).read_to_end(&mut buff));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:293:18
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let id = try!(self.read_u32());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |         let x = try!(self.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:369:19
[INFO] [stderr]     |
[INFO] [stderr] 369 |         let len = try!(self.read_usize());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/fileio/reader.rs:380:19
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let len = try!(self.read_usize());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fileio/reader.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `frame_value_type` should have an upper camel case name
[INFO] [stderr]   --> src/fileio/cuboid.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type frame_value_type = u16;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FrameValueType`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/math/mod.rs:36:19
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 )*;
[INFO] [stderr]    |                   ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 55 |     let p = poly_val!(0.2, 0.3, 0.4, 0.1);
[INFO] [stderr]    |             ----------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CuboidFrame`
[INFO] [stderr]   --> src/lib.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 | use fileio::cuboid::{CuboidFile, CuboidFrame};
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/fileio/reader.rs:109:48
[INFO] [stderr]     |
[INFO] [stderr] 109 |             DecodingError::IoError(ref err) => Error::description(err),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/fileio/reader.rs:117:56
[INFO] [stderr]     |
[INFO] [stderr] 117 |             DecodingError::IoError(ref err)     => err.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/lib.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stderr]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/lib.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let d = match rx2.recv() {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:112:54
[INFO] [stderr]     |
[INFO] [stderr] 112 |        let header: CuboidFrameHeader = decode_struct(&mut self.file).unwrap();
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:155:54
[INFO] [stderr]     |
[INFO] [stderr] 155 |         println!("cub w {} frame status {} time {}", cub.header.length,
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/fileio/cuboid.rs:156:18
[INFO] [stderr]     |
[INFO] [stderr] 156 |                  frame.header.status,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cub_reader`
[INFO] [stderr]   --> src/lib.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn cub_reader<T: Send>(tx: T) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/fileio/cuboid.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 |        self.file.seek(SeekFrom::Start(pos));
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/fileio/cuboid.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |        self.file.seek(SeekFrom::Start(pixel_pos as u64));
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/fileio/cuboid.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr] 126 |            self.file.read(&mut byte_map);
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gifts-99c3f9661a06e3aa
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test math::test_polytope ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'No such file or directory (os error 2)', src/fileio/cuboid.rs:79:22
[INFO] [stdout] test fileio::test_raw_write ... ok
[INFO] [stdout] test math::test_polytope_macro ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b4127196d0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55b4127196d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b4127196d0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55b4127196d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55b41273b96c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55b412715e72 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55b41271bbed - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55b41271bbed - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55b41271bbed - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55b41271b898 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55b41271c2d1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55b41271be79 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x55b412719b5c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55b41271be39 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x55b41271bdeb - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stderr]   15:     0x55b4126b7c56 - gifts::fileio::cuboid::CuboidFile::new::h3a021d99d31d7d0a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/fileio/cuboid.rs:79
[INFO] [stderr]   16:     0x55b4126bad95 - gifts::run_pipe::{{closure}}::ha84d0677e7f4e8ec
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:33
[INFO] [stderr]   17:     0x55b4126a644e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc1424994fc2701ae
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x55b4126a784a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6dfc3b576dcfbc03
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   19:     0x55b41269ee8e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1653192f85459860
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x55b4126b55da - std::panicking::try::do_call::h7655317f8a637401
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   21:     0x55b4126b64ad - __rust_try
[INFO] [stderr]   22:     0x55b4126b54e7 - std::panicking::try::h3c8c767b17711a60
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   23:     0x55b41269eefe - std::panic::catch_unwind::hdabb489938471c52
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   24:     0x55b4126a767e - std::thread::Builder::spawn_unchecked::{{closure}}::he42b142181f52487
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   25:     0x55b41269f07e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h381c9ee15f4cba0a
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x55b4127222fa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   27:     0x55b4127222fa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   28:     0x55b4127222fa - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7f0471311609 - start_thread
[INFO] [stderr]   30:     0x7f047159c103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stdout] receiving on a closed channel
[INFO] [stdout] test test_pipe ... ok
[INFO] [stdout] test fileio::cuboid::tests::test_open_cub_file ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- fileio::cuboid::tests::test_open_cub_file stdout ----
[INFO] [stdout] thread 'fileio::cuboid::tests::test_open_cub_file' panicked at 'No such file or directory (os error 2)', src/fileio/cuboid.rs:79:22
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b4127196d0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55b4127196d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55b4127196d0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55b4127196d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55b41273b96c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x55b4126c1566 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x55b412713dbd - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x55b41271bbed - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55b41271bbed - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55b41271bbed - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x55b41271b842 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x55b41271c2d1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x55b41271be79 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x55b412719b5c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55b41271be39 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x55b41271bdeb - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stdout]   16:     0x55b4126b7c56 - gifts::fileio::cuboid::CuboidFile::new::h3a021d99d31d7d0a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fileio/cuboid.rs:79
[INFO] [stdout]   17:     0x55b4126b90e9 - gifts::fileio::cuboid::tests::test_open_cub_file::ha110a01ceb96d5ab
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fileio/cuboid.rs:153
[INFO] [stdout]   18:     0x55b4126b909a - gifts::fileio::cuboid::tests::test_open_cub_file::{{closure}}::h4ee003beba602b3b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fileio/cuboid.rs:151
[INFO] [stdout]   19:     0x55b41269f45e - core::ops::function::FnOnce::call_once::hfd62a9d08bf4cf9f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x55b4126e8353 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   21:     0x55b4126e8353 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   22:     0x55b4126e6858 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   23:     0x55b4126e6858 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   24:     0x55b4126e6858 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   25:     0x55b4126e6858 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   26:     0x55b4126e6858 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   27:     0x55b4126e6858 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   28:     0x55b4126e6858 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   29:     0x55b4126c08e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   30:     0x55b4126c5a55 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   31:     0x55b4126c5a55 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   32:     0x55b4126c5a55 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   33:     0x55b4126c5a55 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   34:     0x55b4126c5a55 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   35:     0x55b4126c5a55 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   36:     0x55b4126c5a55 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   37:     0x55b4127222fa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x55b4127222fa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   39:     0x55b4127222fa - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   40:     0x7f0471311609 - start_thread
[INFO] [stdout]   41:     0x7f047159c103 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     fileio::cuboid::tests::test_open_cub_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "6624cfb9c3634acaf6f0526a7985576a831da2eae4e918371c61050a6125b950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6624cfb9c3634acaf6f0526a7985576a831da2eae4e918371c61050a6125b950", kill_on_drop: false }`
[INFO] [stdout] 6624cfb9c3634acaf6f0526a7985576a831da2eae4e918371c61050a6125b950
