[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 master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-02-a" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiddenLadder/lab-02-a on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "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-3-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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-02-a" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiddenLadder/lab-02-a on toolchain 393ef12c970fbc7f294cd96c35cb76f9591bc1d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "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-3-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fd4045ce3eca07b239536e8cd4a0ced2e934f989982b0bfab00d423d313ea3a
[INFO] running `Command { std: "docker" "start" "-a" "0fd4045ce3eca07b239536e8cd4a0ced2e934f989982b0bfab00d423d313ea3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd4045ce3eca07b239536e8cd4a0ced2e934f989982b0bfab00d423d313ea3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd4045ce3eca07b239536e8cd4a0ced2e934f989982b0bfab00d423d313ea3a", kill_on_drop: false }`
[INFO] [stdout] 0fd4045ce3eca07b239536e8cd4a0ced2e934f989982b0bfab00d423d313ea3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68d941192c15631ae57d5af42aa695f0fb10044bda0153b73e55d020cd247f56
[INFO] running `Command { std: "docker" "start" "-a" "68d941192c15631ae57d5af42aa695f0fb10044bda0153b73e55d020cd247f56", 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 memchr v2.6.4
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling bstr v1.8.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[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 8.63s
[INFO] running `Command { std: "docker" "inspect" "68d941192c15631ae57d5af42aa695f0fb10044bda0153b73e55d020cd247f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d941192c15631ae57d5af42aa695f0fb10044bda0153b73e55d020cd247f56", kill_on_drop: false }`
[INFO] [stdout] 68d941192c15631ae57d5af42aa695f0fb10044bda0153b73e55d020cd247f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae122d3fcfc386dfcc2119d96245e8b067ee57c476c5dc974432f3e7363cc979
[INFO] running `Command { std: "docker" "start" "-a" "ae122d3fcfc386dfcc2119d96245e8b067ee57c476c5dc974432f3e7363cc979", 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "ae122d3fcfc386dfcc2119d96245e8b067ee57c476c5dc974432f3e7363cc979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae122d3fcfc386dfcc2119d96245e8b067ee57c476c5dc974432f3e7363cc979", kill_on_drop: false }`
[INFO] [stdout] ae122d3fcfc386dfcc2119d96245e8b067ee57c476c5dc974432f3e7363cc979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0527b1bef2426b7df28be6b482442cf9484702bc0bb5f101743241d9debc136
[INFO] running `Command { std: "docker" "start" "-a" "a0527b1bef2426b7df28be6b482442cf9484702bc0bb5f101743241d9debc136", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lab_02_a-dda7bd18e1ea110a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_figure14 ... ok
[INFO] [stdout] test tests::test_figure13 ... ok
[INFO] [stdout] test tests::test_figure12 ... ok
[INFO] [stdout] test tests::test_figure3 ... ok
[INFO] [stdout] test tests::test_figure10 ... ok
[INFO] [stdout] test tests::test_figure11 ... ok
[INFO] [stdout] test tests::test_figure2 ... ok
[INFO] [stdout] test tests::test_figure1 ... ok
[INFO] [stdout] test tests::test_out_of_range ... ok
[INFO] [stdout] test tests::test_figure5 ... ok
[INFO] [stdout] test tests::test_figure4 ... ok
[INFO] [stdout] test tests::test_figure7 ... ok
[INFO] [stdout] test tests::test_figure8 ... ok
[INFO] [stdout] test tests::test_figure6 ... ok
[INFO] [stdout] test tests::test_figure9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0527b1bef2426b7df28be6b482442cf9484702bc0bb5f101743241d9debc136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0527b1bef2426b7df28be6b482442cf9484702bc0bb5f101743241d9debc136", kill_on_drop: false }`
[INFO] [stdout] a0527b1bef2426b7df28be6b482442cf9484702bc0bb5f101743241d9debc136