[INFO] cloning repository https://github.com/ch1s7ya/otus_rust_basic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ch1s7ya/otus_rust_basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch1s7ya%2Fotus_rust_basic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch1s7ya%2Fotus_rust_basic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 977fd2c2855ea684d9bf85e326b14046d9f871cf
[INFO] checking ch1s7ya/otus_rust_basic against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch1s7ya%2Fotus_rust_basic" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ch1s7ya/otus_rust_basic
[INFO] finished tweaking git repo https://github.com/ch1s7ya/otus_rust_basic
[INFO] tweaked toml for git repo https://github.com/ch1s7ya/otus_rust_basic written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ch1s7ya/otus_rust_basic on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ch1s7ya/otus_rust_basic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1dcf9383fce47ece5c91b99b7b257dd4b527f8f9a738f137810454321ece294
[INFO] running `Command { std: "docker" "start" "-a" "d1dcf9383fce47ece5c91b99b7b257dd4b527f8f9a738f137810454321ece294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1dcf9383fce47ece5c91b99b7b257dd4b527f8f9a738f137810454321ece294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1dcf9383fce47ece5c91b99b7b257dd4b527f8f9a738f137810454321ece294", kill_on_drop: false }`
[INFO] [stdout] d1dcf9383fce47ece5c91b99b7b257dd4b527f8f9a738f137810454321ece294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd8249181472d4364bb1011e8903b264e7e066af3fb94bb55e8a20beac3718bb
[INFO] running `Command { std: "docker" "start" "-a" "dd8249181472d4364bb1011e8903b264e7e066af3fb94bb55e8a20beac3718bb", kill_on_drop: false }`
[INFO] [stderr]     Checking hw10 v0.1.0 (/opt/rustwide/workdir/hw10)
[INFO] [stderr]     Checking hw03 v0.1.0 (/opt/rustwide/workdir/hw03)
[INFO] [stderr]     Checking hw05 v0.1.0 (/opt/rustwide/workdir/hw05)
[INFO] [stderr]     Checking hw07 v0.1.0 (/opt/rustwide/workdir/hw07)
[INFO] [stderr]     Checking hw13 v0.1.0 (/opt/rustwide/workdir/hw13)
[INFO] [stderr]     Checking hw11 v0.1.0 (/opt/rustwide/workdir/hw11)
[INFO] [stderr]     Checking hw01 v0.1.0 (/opt/rustwide/workdir/hw01)
[INFO] [stderr]     Checking hw04 v0.1.0 (/opt/rustwide/workdir/hw04)
[INFO] [stderr]     Checking hw06 v0.1.0 (/opt/rustwide/workdir/hw06)
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking hw02 v0.1.0 (/opt/rustwide/workdir/hw02)
[INFO] [stderr]     Checking hw09 v0.1.0 (/opt/rustwide/workdir/hw09)
[INFO] [stderr]     Checking hw08 v0.1.0 (/opt/rustwide/workdir/hw08)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> hw05/src/main.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let b = write(&mut rb, &[b'a', b'b']);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> hw05/src/main.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let b = write(&mut rb, &[b'a', b'b', b'c']);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Relative::<A, B>::eq` that must be used
[INFO] [stdout]    --> hw08/src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 | /         relative_eq!(
[INFO] [stdout] 126 | |             perimeter_by_area(Triangle {
[INFO] [stdout] 127 | |                 sides_lens: [3.0, 4.0, 5.0]
[INFO] [stdout] 128 | |             }),
[INFO] [stdout] 129 | |             2.0
[INFO] [stdout] 130 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = relative_eq!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Relative::<A, B>::eq` that must be used
[INFO] [stdout]    --> hw08/src/lib.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         relative_eq!(perimeter_by_area(Circle { radius: 2.0 }), 1.0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let _ = relative_eq!(perimeter_by_area(Circle { radius: 2.0 }), 1.0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Relative::<A, B>::eq` that must be used
[INFO] [stdout]    --> hw08/src/lib.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | /         relative_eq!(
[INFO] [stdout] 133 | |             perimeter_by_area(Rectangle {
[INFO] [stdout] 134 | |                 width: 2.0,
[INFO] [stdout] 135 | |                 height: 3.0,
[INFO] [stdout] 136 | |             }),
[INFO] [stdout] 137 | |             1.6666
[INFO] [stdout] 138 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = relative_eq!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "dd8249181472d4364bb1011e8903b264e7e066af3fb94bb55e8a20beac3718bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8249181472d4364bb1011e8903b264e7e066af3fb94bb55e8a20beac3718bb", kill_on_drop: false }`
[INFO] [stdout] dd8249181472d4364bb1011e8903b264e7e066af3fb94bb55e8a20beac3718bb
