[INFO] cloning repository https://github.com/chisom74/classwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chisom74/classwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchisom74%2Fclasswork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchisom74%2Fclasswork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 027d244e447bd7160ca7644fcfb1c7e819fda45b
[INFO] testing chisom74/classwork/027d244e447bd7160ca7644fcfb1c7e819fda45b against 1.81.0 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchisom74%2Fclasswork" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chisom74/classwork on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chisom74/classwork
[INFO] finished tweaking git repo https://github.com/chisom74/classwork
[INFO] tweaked toml for git repo https://github.com/chisom74/classwork written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chisom74/classwork 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 007468a064eeb6172552f6eee6f5e21f18efaf49643e62d06ae0aaa259ff2d12
[INFO] running `Command { std: "docker" "start" "-a" "007468a064eeb6172552f6eee6f5e21f18efaf49643e62d06ae0aaa259ff2d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "007468a064eeb6172552f6eee6f5e21f18efaf49643e62d06ae0aaa259ff2d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007468a064eeb6172552f6eee6f5e21f18efaf49643e62d06ae0aaa259ff2d12", kill_on_drop: false }`
[INFO] [stdout] 007468a064eeb6172552f6eee6f5e21f18efaf49643e62d06ae0aaa259ff2d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41d61ea344ad439c1d9b58d79dd717c480c4bb46e924452e3eec5b17aa04a06
[INFO] running `Command { std: "docker" "start" "-a" "f41d61ea344ad439c1d9b58d79dd717c480c4bb46e924452e3eec5b17aa04a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling classwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/how_you_hold_data_for_operations/primitives/compound.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Matrix(f32, f32, f32, f32);
[INFO] [stdout]    |        ------ ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "f41d61ea344ad439c1d9b58d79dd717c480c4bb46e924452e3eec5b17aa04a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41d61ea344ad439c1d9b58d79dd717c480c4bb46e924452e3eec5b17aa04a06", kill_on_drop: false }`
[INFO] [stdout] f41d61ea344ad439c1d9b58d79dd717c480c4bb46e924452e3eec5b17aa04a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9c49b019352975f4bd4d31d96e5aa497d45ad95d503d686fc6688ea1ac46d6
[INFO] running `Command { std: "docker" "start" "-a" "0d9c49b019352975f4bd4d31d96e5aa497d45ad95d503d686fc6688ea1ac46d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling classwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/how_you_hold_data_for_operations/primitives/compound.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Matrix(f32, f32, f32, f32);
[INFO] [stdout]    |        ------ ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "0d9c49b019352975f4bd4d31d96e5aa497d45ad95d503d686fc6688ea1ac46d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9c49b019352975f4bd4d31d96e5aa497d45ad95d503d686fc6688ea1ac46d6", kill_on_drop: false }`
[INFO] [stdout] 0d9c49b019352975f4bd4d31d96e5aa497d45ad95d503d686fc6688ea1ac46d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bf4b6d03434d7129409d77a176b35a34f2747a72fa4570f83d5ba9450a6cb3d
[INFO] running `Command { std: "docker" "start" "-a" "3bf4b6d03434d7129409d77a176b35a34f2747a72fa4570f83d5ba9450a6cb3d", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]   --> src/how_you_hold_data_for_operations/primitives/compound.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Matrix(f32, f32, f32, f32);
[INFO] [stderr]    |        ------ ^^^  ^^^  ^^^  ^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr]    = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `classwork` (bin "classwork" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/classwork-1b8cc5bc14fad979)
[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" "3bf4b6d03434d7129409d77a176b35a34f2747a72fa4570f83d5ba9450a6cb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf4b6d03434d7129409d77a176b35a34f2747a72fa4570f83d5ba9450a6cb3d", kill_on_drop: false }`
[INFO] [stdout] 3bf4b6d03434d7129409d77a176b35a34f2747a72fa4570f83d5ba9450a6cb3d