[INFO] fetching crate monster 0.1.28...
[INFO] testing monster-0.1.28 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate monster 0.1.28 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate monster 0.1.28 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monster 0.1.28
[INFO] finished tweaking crates.io crate monster 0.1.28
[INFO] tweaked toml for crates.io crate monster 0.1.28 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7505431bb0c246dde62cf13cd986f3db0947331d428d754d7b81b5199b0fb308
[INFO] running `Command { std: "docker" "start" "-a" "7505431bb0c246dde62cf13cd986f3db0947331d428d754d7b81b5199b0fb308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7505431bb0c246dde62cf13cd986f3db0947331d428d754d7b81b5199b0fb308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7505431bb0c246dde62cf13cd986f3db0947331d428d754d7b81b5199b0fb308", kill_on_drop: false }`
[INFO] [stdout] 7505431bb0c246dde62cf13cd986f3db0947331d428d754d7b81b5199b0fb308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f650d3b293c09815fde14048e2a5c0810a9abbf1e2149d05851f49412c096a3
[INFO] running `Command { std: "docker" "start" "-a" "9f650d3b293c09815fde14048e2a5c0810a9abbf1e2149d05851f49412c096a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling monster v0.1.28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[INFO] [stdout]    |                                                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stdout]    |                      ^^^^^^^---------------------------------------
[INFO] [stdout]    |                      |      |
[INFO] [stdout]    |                      |      any code following this expression is unreachable
[INFO] [stdout]    |                      unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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/incubation/fmt/error.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9f650d3b293c09815fde14048e2a5c0810a9abbf1e2149d05851f49412c096a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f650d3b293c09815fde14048e2a5c0810a9abbf1e2149d05851f49412c096a3", kill_on_drop: false }`
[INFO] [stdout] 9f650d3b293c09815fde14048e2a5c0810a9abbf1e2149d05851f49412c096a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ae8827c19f0eecb8d00b02de2da501071ca2561ac122d1f9304a8db3c7e2446
[INFO] running `Command { std: "docker" "start" "-a" "2ae8827c19f0eecb8d00b02de2da501071ca2561ac122d1f9304a8db3c7e2446", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[INFO] [stdout]    |                                                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stdout]    |                      ^^^^^^^---------------------------------------
[INFO] [stdout]    |                      |      |
[INFO] [stdout]    |                      |      any code following this expression is unreachable
[INFO] [stdout]    |                      unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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/incubation/fmt/error.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monster v0.1.28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[INFO] [stdout]    |                                                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stdout]    |                      ^^^^^^^---------------------------------------
[INFO] [stdout]    |                      |      |
[INFO] [stdout]    |                      |      any code following this expression is unreachable
[INFO] [stdout]    |                      unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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/incubation/fmt/error.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "2ae8827c19f0eecb8d00b02de2da501071ca2561ac122d1f9304a8db3c7e2446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae8827c19f0eecb8d00b02de2da501071ca2561ac122d1f9304a8db3c7e2446", kill_on_drop: false }`
[INFO] [stdout] 2ae8827c19f0eecb8d00b02de2da501071ca2561ac122d1f9304a8db3c7e2446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8931c599497ec85c15b1a4f513fee9d76dd8e02b269fde57e2e730be600b7c65
[INFO] running `Command { std: "docker" "start" "-a" "8931c599497ec85c15b1a4f513fee9d76dd8e02b269fde57e2e730be600b7c65", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[INFO] [stderr]    |                                                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     try!(buffer.write_char(ch));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stderr]    |
[INFO] [stderr] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     try!(buffer.write_char(ch));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stderr]    |                      ^^^^^^^---------------------------------------
[INFO] [stderr]    |                      |      |
[INFO] [stderr]    |                      |      any code following this expression is unreachable
[INFO] [stderr]    |                      unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` 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/incubation/fmt/error.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `monster` (lib) generated 10 warnings
[INFO] [stderr] warning: `monster` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monster-25c9e41ea4cedae7)
[INFO] [stdout] running 18 tests
[INFO] [stdout] test incubation::ref_eq::test::ref_eq_literal ... ok
[INFO] [stdout] test incubation::reverse_bitorder::test::sample_u16 ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_get_low ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_get_high ... ok
[INFO] [stdout] test incubation::slice_take_while::test::slice_take_while_empty ... ok
[INFO] [stdout] test incubation::slice_take_while::test::slice_take_while_basic ... ok
[INFO] [stdout] test incubation::reverse_bitorder::test::sample_u8 ... ok
[INFO] [stdout] test incubation::ref_eq::test::ref_eq_box ... ok
[INFO] [stdout] test incubation::slice_take_while::test::slice_take_while_identity ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_set_low ... ok
[INFO] [stdout] test incubation::split_int::test::u16_high ... ok
[INFO] [stdout] test incubation::swap_tuple::tests::swap_tuple_value ... ok
[INFO] [stdout] test incubation::swap_tuple::tests::swap_tuple_ref ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_set_high ... ok
[INFO] [stdout] test incubation::reverse_bitorder::test::involution_u8 ... ok
[INFO] [stdout] test incubation::split_int::test::u16_low ... ok
[INFO] [stdout] test incubation::ref_eq::test::ref_eq_rc ... ok
[INFO] [stderr]    Doc-tests monster
[INFO] [stdout] test incubation::reverse_bitorder::test::involution_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/incubation/fmt/mod.rs - incubation::fmt::format (line 22) ... ok
[INFO] [stdout] test src/incubation/macro_init_tests.rs - init_tests (line 6) ... ok
[INFO] [stdout] test src/incubation/zip_ends.rs - incubation::zip_ends::ZipEnds (line 6) ... ok
[INFO] [stdout] test src/incubation/some_if.rs - incubation::some_if::some_if (line 5) ... ok
[INFO] [stdout] test src/incubation/map_ref_mut.rs - incubation::map_ref_mut::map_ref_mut (line 9) ... ok
[INFO] [stdout] test src/incubation/macro_array_type.rs - array_type (line 19) ... ok
[INFO] [stdout] test src/incubation/anon.rs - anon (line 4) ... ok
[INFO] [stdout] test src/incubation/slice_drop_first.rs - incubation::slice_drop_first (line 3) ... ok
[INFO] [stdout] test src/incubation/slice_drop_last.rs - incubation::slice_drop_last (line 3) ... ok
[INFO] [stdout] test src/incubation/owning_ref_mut.rs - incubation::owning_ref_mut::OwningRefMut (line 9) ... ok
[INFO] [stdout] test src/incubation/find_and_take.rs - incubation::find_and_take (line 4) ... ok
[INFO] [stdout] test src/incubation/mutate.rs - mutate (line 5) ... ok
[INFO] [stdout] test src/incubation/map_ref_mut.rs - incubation::map_ref_mut::MapRefMutExt::map_ref_mut (line 35) ... ok
[INFO] [stdout] test src/incubation/with_lock.rs - incubation::with_lock::WithLock::with_lock (line 7) ... ok
[INFO] [stdout] test src/incubation/global_init_cleanup.rs - incubation::global_init_cleanup (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8931c599497ec85c15b1a4f513fee9d76dd8e02b269fde57e2e730be600b7c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8931c599497ec85c15b1a4f513fee9d76dd8e02b269fde57e2e730be600b7c65", kill_on_drop: false }`
[INFO] [stdout] 8931c599497ec85c15b1a4f513fee9d76dd8e02b269fde57e2e730be600b7c65
