[INFO] cloning repository https://github.com/hiddenLadder/lab-02-a
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiddenLadder/lab-02-a" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-02-a", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-02-a'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe8c5f5bc235e08e906940673d216c2374f81822
[INFO] testing hiddenLadder/lab-02-a against 1.77.0 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-02-a" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiddenLadder/lab-02-a on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hiddenLadder/lab-02-a
[INFO] finished tweaking git repo https://github.com/hiddenLadder/lab-02-a
[INFO] tweaked toml for git repo https://github.com/hiddenLadder/lab-02-a written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hiddenLadder/lab-02-a 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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing hiddenLadder/lab-02-a against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-02-a" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiddenLadder/lab-02-a on toolchain beta-2024-03-24
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hiddenLadder/lab-02-a
[INFO] finished tweaking git repo https://github.com/hiddenLadder/lab-02-a
[INFO] tweaked toml for git repo https://github.com/hiddenLadder/lab-02-a written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hiddenLadder/lab-02-a 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" "+beta-2024-03-24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.12
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded predicates v3.0.4
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded bstr v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e821cb0fcd88feeb45cd2c882d89082fba1cec0f3dfe9c7d872f14e15173319
[INFO] running `Command { std: "docker" "start" "-a" "3e821cb0fcd88feeb45cd2c882d89082fba1cec0f3dfe9c7d872f14e15173319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e821cb0fcd88feeb45cd2c882d89082fba1cec0f3dfe9c7d872f14e15173319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e821cb0fcd88feeb45cd2c882d89082fba1cec0f3dfe9c7d872f14e15173319", kill_on_drop: false }`
[INFO] [stdout] 3e821cb0fcd88feeb45cd2c882d89082fba1cec0f3dfe9c7d872f14e15173319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd00f8dd34540a3a1a700e303d2172c4b360418ed7db9f3ab093a19236405e03
[INFO] running `Command { std: "docker" "start" "-a" "bd00f8dd34540a3a1a700e303d2172c4b360418ed7db9f3ab093a19236405e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bstr v1.8.0
[INFO] [stderr]    Compiling predicates v3.0.4
[INFO] [stderr]    Compiling assert_cmd v2.0.12
[INFO] [stderr]    Compiling lab-02-a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "bd00f8dd34540a3a1a700e303d2172c4b360418ed7db9f3ab093a19236405e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd00f8dd34540a3a1a700e303d2172c4b360418ed7db9f3ab093a19236405e03", kill_on_drop: false }`
[INFO] [stdout] bd00f8dd34540a3a1a700e303d2172c4b360418ed7db9f3ab093a19236405e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727aa796d069be03046176c7c58ba8f6afcfa96ab09618ea84c1347a3b21a1bd
[INFO] running `Command { std: "docker" "start" "-a" "727aa796d069be03046176c7c58ba8f6afcfa96ab09618ea84c1347a3b21a1bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab-02-a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "727aa796d069be03046176c7c58ba8f6afcfa96ab09618ea84c1347a3b21a1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727aa796d069be03046176c7c58ba8f6afcfa96ab09618ea84c1347a3b21a1bd", kill_on_drop: false }`
[INFO] [stdout] 727aa796d069be03046176c7c58ba8f6afcfa96ab09618ea84c1347a3b21a1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4ca563a88d9deb615a39ccf0451c699d6a6eb9917cecd824d788882b2e64582
[INFO] running `Command { std: "docker" "start" "-a" "d4ca563a88d9deb615a39ccf0451c699d6a6eb9917cecd824d788882b2e64582", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lab_02_a-19c57b5e33898769)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_out_of_range ... ok
[INFO] [stdout] test tests::test_figure14 ... ok
[INFO] [stdout] test tests::test_figure12 ... ok
[INFO] [stdout] test tests::test_figure11 ... ok
[INFO] [stdout] test tests::test_figure13 ... ok
[INFO] [stdout] test tests::test_figure6 ... ok
[INFO] [stdout] test tests::test_figure7 ... ok
[INFO] [stdout] test tests::test_figure9 ... ok
[INFO] [stdout] test tests::test_figure2 ... ok
[INFO] [stdout] test tests::test_figure3 ... ok
[INFO] [stdout] test tests::test_figure4 ... ok
[INFO] [stdout] test tests::test_figure8 ... ok
[INFO] [stdout] test tests::test_figure5 ... ok
[INFO] [stdout] test tests::test_figure10 ... ok
[INFO] [stdout] test tests::test_figure1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4ca563a88d9deb615a39ccf0451c699d6a6eb9917cecd824d788882b2e64582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ca563a88d9deb615a39ccf0451c699d6a6eb9917cecd824d788882b2e64582", kill_on_drop: false }`
[INFO] [stdout] d4ca563a88d9deb615a39ccf0451c699d6a6eb9917cecd824d788882b2e64582