[INFO] fetching crate reader-writer 0.0.2... [INFO] testing reader-writer-0.0.2 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate reader-writer 0.0.2 into /workspace/builds/worker-16/source [INFO] validating manifest of crates.io crate reader-writer 0.0.2 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate reader-writer 0.0.2 [INFO] finished tweaking crates.io crate reader-writer 0.0.2 [INFO] tweaked toml for crates.io crate reader-writer 0.0.2 written to /workspace/builds/worker-16/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7dd6a3ba900bda6e250e970f8cbd7827d66fba3eaae2be082177390381352d71 [INFO] running `Command { std: "docker" "start" "-a" "7dd6a3ba900bda6e250e970f8cbd7827d66fba3eaae2be082177390381352d71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7dd6a3ba900bda6e250e970f8cbd7827d66fba3eaae2be082177390381352d71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dd6a3ba900bda6e250e970f8cbd7827d66fba3eaae2be082177390381352d71", kill_on_drop: false }` [INFO] [stdout] 7dd6a3ba900bda6e250e970f8cbd7827d66fba3eaae2be082177390381352d71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03a7826206f01043c7277e13afffb34810cf9dcf7369e3cec6add8c0798e8b06 [INFO] running `Command { std: "docker" "start" "-a" "03a7826206f01043c7277e13afffb34810cf9dcf7369e3cec6add8c0798e8b06", kill_on_drop: false }` [INFO] [stderr] Compiling reader-writer v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/reader.rs:95:25 [INFO] [stdout] | [INFO] [stdout] 95 | let len = match try!(self.read_u16()) { [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/reader.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let n = try!(self.read_bytes(&mut buf[..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | try!(self.write_u16(buf.len() as u16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | read: &'a mut Read [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - read: &'a mut Read [INFO] [stdout] 14 + read: &'a mut dyn Read [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writer.rs:72:20 [INFO] [stdout] | [INFO] [stdout] 72 | write: &'a mut Write [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 72 - write: &'a mut Write [INFO] [stdout] 72 + write: &'a mut dyn Write [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:18:30 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stdout] 18 + pub fn new(read: &'a mut dyn Read) -> BasicReader { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writer.rs:76:28 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 76 - pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stdout] 76 + pub fn new(write: &mut dyn Write) -> BasicWriter { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "03a7826206f01043c7277e13afffb34810cf9dcf7369e3cec6add8c0798e8b06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03a7826206f01043c7277e13afffb34810cf9dcf7369e3cec6add8c0798e8b06", kill_on_drop: false }` [INFO] [stdout] 03a7826206f01043c7277e13afffb34810cf9dcf7369e3cec6add8c0798e8b06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01616d90e76ac5d5d1670dea0bb0b3be63fdf7481891bf8bfa5b8726a21f7c7e [INFO] running `Command { std: "docker" "start" "-a" "01616d90e76ac5d5d1670dea0bb0b3be63fdf7481891bf8bfa5b8726a21f7c7e", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/reader.rs:95:25 [INFO] [stdout] | [INFO] [stdout] 95 | let len = match try!(self.read_u16()) { [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/reader.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let n = try!(self.read_bytes(&mut buf[..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | try!(self.write_u16(buf.len() as u16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | read: &'a mut Read [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - read: &'a mut Read [INFO] [stdout] 14 + read: &'a mut dyn Read [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writer.rs:72:20 [INFO] [stdout] | [INFO] [stdout] 72 | write: &'a mut Write [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 72 - write: &'a mut Write [INFO] [stdout] 72 + write: &'a mut dyn Write [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:18:30 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stdout] 18 + pub fn new(read: &'a mut dyn Read) -> BasicReader { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writer.rs:76:28 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 76 - pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stdout] 76 + pub fn new(write: &mut dyn Write) -> BasicWriter { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling reader-writer v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/reader.rs:95:25 [INFO] [stdout] | [INFO] [stdout] 95 | let len = match try!(self.read_u16()) { [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/reader.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let n = try!(self.read_bytes(&mut buf[..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | try!(self.write_u16(buf.len() as u16)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | read: &'a mut Read [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - read: &'a mut Read [INFO] [stdout] 14 + read: &'a mut dyn Read [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writer.rs:72:20 [INFO] [stdout] | [INFO] [stdout] 72 | write: &'a mut Write [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 72 - write: &'a mut Write [INFO] [stdout] 72 + write: &'a mut dyn Write [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:18:30 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stdout] 18 + pub fn new(read: &'a mut dyn Read) -> BasicReader { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writer.rs:76:28 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 76 - pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stdout] 76 + pub fn new(write: &mut dyn Write) -> BasicWriter { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | panic!(format!("unexpected error: {}", err)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 17 - panic!(format!("unexpected error: {}", err)) [INFO] [stdout] 17 + panic!("unexpected error: {}", err) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:97:32 [INFO] [stdout] | [INFO] [stdout] 97 | assert!(false, format!("unexpected number of bytes read: {}", n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 97 - assert!(false, format!("unexpected number of bytes read: {}", n)); [INFO] [stdout] 97 + assert!(false, "unexpected number of bytes read: {}", n); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:100:32 [INFO] [stdout] | [INFO] [stdout] 100 | assert!(false, format!("read_bytes() failed unexpectedly: {}", err)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 100 - assert!(false, format!("read_bytes() failed unexpectedly: {}", err)); [INFO] [stdout] 100 + assert!(false, "read_bytes() failed unexpectedly: {}", err); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:108:32 [INFO] [stdout] | [INFO] [stdout] 108 | Err(err) => panic!(format!("failed to read string: {}", err)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 108 - Err(err) => panic!(format!("failed to read string: {}", err)) [INFO] [stdout] 108 + Err(err) => panic!("failed to read string: {}", err) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/reader_writer-0a49a6f28c03c4b3) [INFO] running `Command { std: "docker" "inspect" "01616d90e76ac5d5d1670dea0bb0b3be63fdf7481891bf8bfa5b8726a21f7c7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01616d90e76ac5d5d1670dea0bb0b3be63fdf7481891bf8bfa5b8726a21f7c7e", kill_on_drop: false }` [INFO] [stdout] 01616d90e76ac5d5d1670dea0bb0b3be63fdf7481891bf8bfa5b8726a21f7c7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 318618df4144c6d68d6047d58a12c5e4cb7d66d5c28116f92f72454ae49f3f99 [INFO] running `Command { std: "docker" "start" "-a" "318618df4144c6d68d6047d58a12c5e4cb7d66d5c28116f92f72454ae49f3f99", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/reader.rs:95:25 [INFO] [stderr] | [INFO] [stderr] 95 | let len = match try!(self.read_u16()) { [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/reader.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | let n = try!(self.read_bytes(&mut buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/writer.rs:119:9 [INFO] [stderr] | [INFO] [stderr] 119 | try!(self.write_u16(buf.len() as u16)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/reader.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | read: &'a mut Read [INFO] [stderr] | ^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 14 - read: &'a mut Read [INFO] [stderr] 14 + read: &'a mut dyn Read [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/writer.rs:72:20 [INFO] [stderr] | [INFO] [stderr] 72 | write: &'a mut Write [INFO] [stderr] | ^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 72 - write: &'a mut Write [INFO] [stderr] 72 + write: &'a mut dyn Write [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/reader.rs:18:30 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stderr] | ^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 18 - pub fn new(read: &'a mut Read) -> BasicReader { [INFO] [stderr] 18 + pub fn new(read: &'a mut dyn Read) -> BasicReader { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/writer.rs:76:28 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stderr] | ^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 76 - pub fn new(write: &mut Write) -> BasicWriter { [INFO] [stderr] 76 + pub fn new(write: &mut dyn Write) -> BasicWriter { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `reader-writer` (lib) generated 7 warnings [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:17:24 [INFO] [stderr] | [INFO] [stderr] 17 | panic!(format!("unexpected error: {}", err)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 17 - panic!(format!("unexpected error: {}", err)) [INFO] [stderr] 17 + panic!("unexpected error: {}", err) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:97:32 [INFO] [stderr] | [INFO] [stderr] 97 | assert!(false, format!("unexpected number of bytes read: {}", n)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 97 - assert!(false, format!("unexpected number of bytes read: {}", n)); [INFO] [stderr] 97 + assert!(false, "unexpected number of bytes read: {}", n); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:100:32 [INFO] [stderr] | [INFO] [stderr] 100 | assert!(false, format!("read_bytes() failed unexpectedly: {}", err)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 100 - assert!(false, format!("read_bytes() failed unexpectedly: {}", err)); [INFO] [stderr] 100 + assert!(false, "read_bytes() failed unexpectedly: {}", err); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:108:32 [INFO] [stderr] | [INFO] [stderr] 108 | Err(err) => panic!(format!("failed to read string: {}", err)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 108 - Err(err) => panic!(format!("failed to read string: {}", err)) [INFO] [stderr] 108 + Err(err) => panic!("failed to read string: {}", err) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `reader-writer` (lib test) generated 11 warnings (7 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reader_writer-0a49a6f28c03c4b3) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::can_write_and_read ... ok [INFO] [stdout] test tests::count_bytes ... ok [INFO] [stdout] test tests::count_str ... ok [INFO] [stdout] test tests::count_string ... ok [INFO] [stdout] test tests::count_u16_two_bytes ... ok [INFO] [stdout] test tests::count_u32_four_bytes ... ok [INFO] [stdout] test tests::count_u64_eight_bytes ... ok [INFO] [stdout] test tests::count_u8_one_byte ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests reader-writer [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "318618df4144c6d68d6047d58a12c5e4cb7d66d5c28116f92f72454ae49f3f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "318618df4144c6d68d6047d58a12c5e4cb7d66d5c28116f92f72454ae49f3f99", kill_on_drop: false }` [INFO] [stdout] 318618df4144c6d68d6047d58a12c5e4cb7d66d5c28116f92f72454ae49f3f99