[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] testing ch1s7ya/otus_rust_basic against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch1s7ya%2Fotus_rust_basic" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ch1s7ya/otus_rust_basic on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c
[INFO] running `Command { std: "docker" "start" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling hw01 v0.1.0 (/opt/rustwide/workdir/hw01)
[INFO] [stderr]    Compiling hw02 v0.1.0 (/opt/rustwide/workdir/hw02)
[INFO] [stderr]    Compiling hw03 v0.1.0 (/opt/rustwide/workdir/hw03)
[INFO] [stderr]    Compiling hw04 v0.1.0 (/opt/rustwide/workdir/hw04)
[INFO] [stderr]    Compiling hw10 v0.1.0 (/opt/rustwide/workdir/hw10)
[INFO] [stderr]    Compiling hw05 v0.1.0 (/opt/rustwide/workdir/hw05)
[INFO] [stderr]    Compiling hw06 v0.1.0 (/opt/rustwide/workdir/hw06)
[INFO] [stderr]    Compiling hw07 v0.1.0 (/opt/rustwide/workdir/hw07)
[INFO] [stderr]    Compiling hw11 v0.1.0 (/opt/rustwide/workdir/hw11)
[INFO] [stderr]    Compiling hw13 v0.1.0 (/opt/rustwide/workdir/hw13)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling hw08 v0.1.0 (/opt/rustwide/workdir/hw08)
[INFO] [stderr]    Compiling hw09 v0.1.0 (/opt/rustwide/workdir/hw09)
[INFO] [stderr] warning: unused dependency `approx`
[INFO] [stderr]  --> hw08/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | approx = "0.5.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `approx`
[INFO] [stderr] warning: `hw08` (manifest) generated 1 warning
[INFO] [stderr] warning: unused dependency `approx`
[INFO] [stderr]  --> hw09/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | approx = "0.5.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `approx`
[INFO] [stderr] warning: `hw09` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling hw08 v0.1.0 (/opt/rustwide/workdir/hw08)
[INFO] [stderr]    Compiling hw09 v0.1.0 (/opt/rustwide/workdir/hw09)
[INFO] [stderr]    Compiling hw01 v0.1.0 (/opt/rustwide/workdir/hw01)
[INFO] [stderr]    Compiling hw02 v0.1.0 (/opt/rustwide/workdir/hw02)
[INFO] [stderr]    Compiling hw11 v0.1.0 (/opt/rustwide/workdir/hw11)
[INFO] [stderr]    Compiling hw03 v0.1.0 (/opt/rustwide/workdir/hw03)
[INFO] [stderr]    Compiling hw13 v0.1.0 (/opt/rustwide/workdir/hw13)
[INFO] [stderr]    Compiling hw04 v0.1.0 (/opt/rustwide/workdir/hw04)
[INFO] [stderr]    Compiling hw05 v0.1.0 (/opt/rustwide/workdir/hw05)
[INFO] [stderr]    Compiling hw06 v0.1.0 (/opt/rustwide/workdir/hw06)
[INFO] [stderr]    Compiling hw07 v0.1.0 (/opt/rustwide/workdir/hw07)
[INFO] [stderr]    Compiling hw10 v0.1.0 (/opt/rustwide/workdir/hw10)
[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] error: could not compile `hw13` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name hw13 --edition=2024 hw13/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --emit=dep-info,link -C opt-level=3 -C lto --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1862c91f4c0542d1 -C extra-filename=-a724a4ac7a0ef80e --out-dir /opt/rustwide/target/release/build/hw13/a724a4ac7a0ef80e/out -C strip=debuginfo --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hw11` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name hw11 --edition=2024 hw11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --emit=dep-info,link -C opt-level=3 -C lto --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=09c4bacbe3850674 -C extra-filename=-af0772483e451e0f --out-dir /opt/rustwide/target/release/build/hw11/af0772483e451e0f/out -C strip=debuginfo --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: unused dependency `approx`
[INFO] [stderr]  --> hw08/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | approx = "0.5.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `approx`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `hw08` (manifest) generated 1 warning
[INFO] [stderr] warning: unused dependency `approx`
[INFO] [stderr]  --> hw09/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | approx = "0.5.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `approx`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `hw09` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c", kill_on_drop: false }`
[INFO] [stdout] f9acd394f13e4351f53a39187322b4b57e2bd3b47e4eceef5e2be7168a36fb2c