[INFO] cloning repository https://github.com/TomSpencerLondon/rust-crash-course-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomSpencerLondon/rust-crash-course-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frust-crash-course-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frust-crash-course-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4227c747c69fdeb4c277137e8d5b3d741277c473
[INFO] testing TomSpencerLondon/rust-crash-course-exercises against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frust-crash-course-exercises" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises
[INFO] finished tweaking git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises
[INFO] tweaked toml for git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44393ce38ccd74d54d274504e5b7331b140d096e06bf0a519b11b53c6eb9b637
[INFO] running `Command { std: "docker" "start" "-a" "44393ce38ccd74d54d274504e5b7331b140d096e06bf0a519b11b53c6eb9b637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44393ce38ccd74d54d274504e5b7331b140d096e06bf0a519b11b53c6eb9b637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44393ce38ccd74d54d274504e5b7331b140d096e06bf0a519b11b53c6eb9b637", kill_on_drop: false }`
[INFO] [stdout] 44393ce38ccd74d54d274504e5b7331b140d096e06bf0a519b11b53c6eb9b637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fadd4b3b6ec9284ca22840bd60fc2478b4b750092868eb4c7c1f22757bad54c
[INFO] running `Command { std: "docker" "start" "-a" "4fadd4b3b6ec9284ca22840bd60fc2478b4b750092868eb4c7c1f22757bad54c", 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 0.65s
[INFO] running `Command { std: "docker" "inspect" "4fadd4b3b6ec9284ca22840bd60fc2478b4b750092868eb4c7c1f22757bad54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fadd4b3b6ec9284ca22840bd60fc2478b4b750092868eb4c7c1f22757bad54c", kill_on_drop: false }`
[INFO] [stdout] 4fadd4b3b6ec9284ca22840bd60fc2478b4b750092868eb4c7c1f22757bad54c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23112951d53b96c3d8ad4581a7037b933cec8b2266a2eb92c87ede9bd94ad557
[INFO] running `Command { std: "docker" "start" "-a" "23112951d53b96c3d8ad4581a7037b933cec8b2266a2eb92c87ede9bd94ad557", 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 0.50s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_crash_course-62f0032bb196fcf9)
[INFO] running `Command { std: "docker" "inspect" "23112951d53b96c3d8ad4581a7037b933cec8b2266a2eb92c87ede9bd94ad557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23112951d53b96c3d8ad4581a7037b933cec8b2266a2eb92c87ede9bd94ad557", kill_on_drop: false }`
[INFO] [stdout] 23112951d53b96c3d8ad4581a7037b933cec8b2266a2eb92c87ede9bd94ad557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 835dc02e0327edb6efc090725e30a9ce26ec04dbee629384f2fa67c3f37460e8
[INFO] running `Command { std: "docker" "start" "-a" "835dc02e0327edb6efc090725e30a9ce26ec04dbee629384f2fa67c3f37460e8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_crash_course-62f0032bb196fcf9)
[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" "835dc02e0327edb6efc090725e30a9ce26ec04dbee629384f2fa67c3f37460e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835dc02e0327edb6efc090725e30a9ce26ec04dbee629384f2fa67c3f37460e8", kill_on_drop: false }`
[INFO] [stdout] 835dc02e0327edb6efc090725e30a9ce26ec04dbee629384f2fa67c3f37460e8