[INFO] cloning repository https://github.com/mrsants/rust-crash-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrsants/rust-crash-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsants%2Frust-crash-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsants%2Frust-crash-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43391f2e61bf5a4290640491d806b01914f74fec
[INFO] testing mrsants/rust-crash-course against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsants%2Frust-crash-course" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrsants/rust-crash-course on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrsants/rust-crash-course
[INFO] finished tweaking git repo https://github.com/mrsants/rust-crash-course
[INFO] tweaked toml for git repo https://github.com/mrsants/rust-crash-course written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mrsants/rust-crash-course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f88537f6c14e3efb8ac3add6e405c54bf2a126fa5c239c15741105a3cfb3f5d0
[INFO] running `Command { std: "docker" "start" "-a" "f88537f6c14e3efb8ac3add6e405c54bf2a126fa5c239c15741105a3cfb3f5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88537f6c14e3efb8ac3add6e405c54bf2a126fa5c239c15741105a3cfb3f5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88537f6c14e3efb8ac3add6e405c54bf2a126fa5c239c15741105a3cfb3f5d0", kill_on_drop: false }`
[INFO] [stdout] f88537f6c14e3efb8ac3add6e405c54bf2a126fa5c239c15741105a3cfb3f5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa262c1f1ec51943da38e41e9782290f6cf7feaf53fbb14ad780b349715e1b10
[INFO] running `Command { std: "docker" "start" "-a" "aa262c1f1ec51943da38e41e9782290f6cf7feaf53fbb14ad780b349715e1b10", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "aa262c1f1ec51943da38e41e9782290f6cf7feaf53fbb14ad780b349715e1b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa262c1f1ec51943da38e41e9782290f6cf7feaf53fbb14ad780b349715e1b10", kill_on_drop: false }`
[INFO] [stdout] aa262c1f1ec51943da38e41e9782290f6cf7feaf53fbb14ad780b349715e1b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e83d16124b75f859db7e584b531e8a87a545ee3948133f7f3301ae631df860
[INFO] running `Command { std: "docker" "start" "-a" "f7e83d16124b75f859db7e584b531e8a87a545ee3948133f7f3301ae631df860", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "f7e83d16124b75f859db7e584b531e8a87a545ee3948133f7f3301ae631df860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e83d16124b75f859db7e584b531e8a87a545ee3948133f7f3301ae631df860", kill_on_drop: false }`
[INFO] [stdout] f7e83d16124b75f859db7e584b531e8a87a545ee3948133f7f3301ae631df860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a34a64c8974c0b197cd5f5a08462c98381ec5634ae21274c23caa364becfcbe
[INFO] running `Command { std: "docker" "start" "-a" "0a34a64c8974c0b197cd5f5a08462c98381ec5634ae21274c23caa364becfcbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_crash_course-9e53661fde089791)
[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" "0a34a64c8974c0b197cd5f5a08462c98381ec5634ae21274c23caa364becfcbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a34a64c8974c0b197cd5f5a08462c98381ec5634ae21274c23caa364becfcbe", kill_on_drop: false }`
[INFO] [stdout] 0a34a64c8974c0b197cd5f5a08462c98381ec5634ae21274c23caa364becfcbe