[INFO] cloning repository https://github.com/rocketpages/rust-fib-memoized
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rocketpages/rust-fib-memoized" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocketpages%2Frust-fib-memoized", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocketpages%2Frust-fib-memoized'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e06e9afd725330cd9c98c18b8959c4c0240b6100
[INFO] testing rocketpages/rust-fib-memoized against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocketpages%2Frust-fib-memoized" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rocketpages/rust-fib-memoized 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/rocketpages/rust-fib-memoized
[INFO] finished tweaking git repo https://github.com/rocketpages/rust-fib-memoized
[INFO] tweaked toml for git repo https://github.com/rocketpages/rust-fib-memoized written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rocketpages/rust-fib-memoized 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 rocketpages/rust-fib-memoized against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocketpages%2Frust-fib-memoized" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rocketpages/rust-fib-memoized 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/rocketpages/rust-fib-memoized
[INFO] finished tweaking git repo https://github.com/rocketpages/rust-fib-memoized
[INFO] tweaked toml for git repo https://github.com/rocketpages/rust-fib-memoized written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rocketpages/rust-fib-memoized 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
[ERROR] error running command: no output for 300 seconds
[INFO] testing rocketpages/rust-fib-memoized against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocketpages%2Frust-fib-memoized" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rocketpages/rust-fib-memoized 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/rocketpages/rust-fib-memoized
[INFO] finished tweaking git repo https://github.com/rocketpages/rust-fib-memoized
[INFO] tweaked toml for git repo https://github.com/rocketpages/rust-fib-memoized written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rocketpages/rust-fib-memoized 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5d7233f69f6e97f4fb701fe163c1c6e3f03029ed26bf86c17a415fe9191c0c90
[INFO] running `Command { std: "docker" "start" "-a" "5d7233f69f6e97f4fb701fe163c1c6e3f03029ed26bf86c17a415fe9191c0c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d7233f69f6e97f4fb701fe163c1c6e3f03029ed26bf86c17a415fe9191c0c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7233f69f6e97f4fb701fe163c1c6e3f03029ed26bf86c17a415fe9191c0c90", kill_on_drop: false }`
[INFO] [stdout] 5d7233f69f6e97f4fb701fe163c1c6e3f03029ed26bf86c17a415fe9191c0c90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 87763cedf50920f8b15e0bb6ca111ee2d8d1495e8a2ba1a2d5bd562a67df499e
[INFO] running `Command { std: "docker" "start" "-a" "87763cedf50920f8b15e0bb6ca111ee2d8d1495e8a2ba1a2d5bd562a67df499e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chapter-3-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "87763cedf50920f8b15e0bb6ca111ee2d8d1495e8a2ba1a2d5bd562a67df499e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87763cedf50920f8b15e0bb6ca111ee2d8d1495e8a2ba1a2d5bd562a67df499e", kill_on_drop: false }`
[INFO] [stdout] 87763cedf50920f8b15e0bb6ca111ee2d8d1495e8a2ba1a2d5bd562a67df499e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a2861114cb66da3e4c70bf421062ef9ec9f9cdf4bd572652d89b1c0892240aeb
[INFO] running `Command { std: "docker" "start" "-a" "a2861114cb66da3e4c70bf421062ef9ec9f9cdf4bd572652d89b1c0892240aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chapter-3-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "a2861114cb66da3e4c70bf421062ef9ec9f9cdf4bd572652d89b1c0892240aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2861114cb66da3e4c70bf421062ef9ec9f9cdf4bd572652d89b1c0892240aeb", kill_on_drop: false }`
[INFO] [stdout] a2861114cb66da3e4c70bf421062ef9ec9f9cdf4bd572652d89b1c0892240aeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 547be0a0ce2c3b12fe95791eb7b041463934ce229f1baa080a74109312c5d33d
[INFO] running `Command { std: "docker" "start" "-a" "547be0a0ce2c3b12fe95791eb7b041463934ce229f1baa080a74109312c5d33d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_chapter_3_exercises-13be9f1d629ff835)
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "547be0a0ce2c3b12fe95791eb7b041463934ce229f1baa080a74109312c5d33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547be0a0ce2c3b12fe95791eb7b041463934ce229f1baa080a74109312c5d33d", kill_on_drop: false }`
[INFO] [stdout] 547be0a0ce2c3b12fe95791eb7b041463934ce229f1baa080a74109312c5d33d