[INFO] cloning repository https://github.com/sasurau4/tech-book-fes-2019-fall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sasurau4/tech-book-fes-2019-fall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasurau4%2Ftech-book-fes-2019-fall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasurau4%2Ftech-book-fes-2019-fall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 035b5b6753cb7869873cacde97baea3b294ddc6b
[INFO] testing sasurau4/tech-book-fes-2019-fall against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasurau4%2Ftech-book-fes-2019-fall" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sasurau4/tech-book-fes-2019-fall on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sasurau4/tech-book-fes-2019-fall
[INFO] finished tweaking git repo https://github.com/sasurau4/tech-book-fes-2019-fall
[INFO] tweaked toml for git repo https://github.com/sasurau4/tech-book-fes-2019-fall written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/sasurau4/tech-book-fes-2019-fall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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 tokio-threadpool v0.1.15
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded futures v0.1.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa230a71caa3b225e002d5b18362e66dbc36e3a56b6a73edb96af608b1e6f725
[INFO] running `Command { std: "docker" "start" "-a" "aa230a71caa3b225e002d5b18362e66dbc36e3a56b6a73edb96af608b1e6f725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa230a71caa3b225e002d5b18362e66dbc36e3a56b6a73edb96af608b1e6f725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa230a71caa3b225e002d5b18362e66dbc36e3a56b6a73edb96af608b1e6f725", kill_on_drop: false }`
[INFO] [stdout] aa230a71caa3b225e002d5b18362e66dbc36e3a56b6a73edb96af608b1e6f725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41c769fb14fa5130ed5bcba0441807d2a5f56e5f3b71990b81fde1eaecce171d
[INFO] running `Command { std: "docker" "start" "-a" "41c769fb14fa5130ed5bcba0441807d2a5f56e5f3b71990b81fde1eaecce171d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tech-book-2019-fall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.83s
[INFO] running `Command { std: "docker" "inspect" "41c769fb14fa5130ed5bcba0441807d2a5f56e5f3b71990b81fde1eaecce171d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c769fb14fa5130ed5bcba0441807d2a5f56e5f3b71990b81fde1eaecce171d", kill_on_drop: false }`
[INFO] [stdout] 41c769fb14fa5130ed5bcba0441807d2a5f56e5f3b71990b81fde1eaecce171d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 984fc9053af26eee76e748fc43a210c16fcabf9f8fea20d3cd1717ca827e7956
[INFO] running `Command { std: "docker" "start" "-a" "984fc9053af26eee76e748fc43a210c16fcabf9f8fea20d3cd1717ca827e7956", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tech-book-2019-fall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.60s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tech_book_2019_fall-8c05d33410f41e5d)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "984fc9053af26eee76e748fc43a210c16fcabf9f8fea20d3cd1717ca827e7956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984fc9053af26eee76e748fc43a210c16fcabf9f8fea20d3cd1717ca827e7956", kill_on_drop: false }`
[INFO] [stdout] 984fc9053af26eee76e748fc43a210c16fcabf9f8fea20d3cd1717ca827e7956