[INFO] cloning repository https://github.com/pillarBoy/lesson-4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pillarBoy/lesson-4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpillarBoy%2Flesson-4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpillarBoy%2Flesson-4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ba9067dc1827a434b42db8996bc47d740d8337d
[INFO] testing pillarBoy/lesson-4 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpillarBoy%2Flesson-4" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pillarBoy/lesson-4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pillarBoy/lesson-4
[INFO] finished tweaking git repo https://github.com/pillarBoy/lesson-4
[INFO] tweaked toml for git repo https://github.com/pillarBoy/lesson-4 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/pillarBoy/lesson-4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 154f371b51ba55ea75c09a3a27a6cfd948997dd9810b7da91be4deb058db1ef8
[INFO] running `Command { std: "docker" "start" "-a" "154f371b51ba55ea75c09a3a27a6cfd948997dd9810b7da91be4deb058db1ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "154f371b51ba55ea75c09a3a27a6cfd948997dd9810b7da91be4deb058db1ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154f371b51ba55ea75c09a3a27a6cfd948997dd9810b7da91be4deb058db1ef8", kill_on_drop: false }`
[INFO] [stdout] 154f371b51ba55ea75c09a3a27a6cfd948997dd9810b7da91be4deb058db1ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eefffabe1359365c2a9aac808792229338ff45ffdfbb0ebf6d6fd11f2568bd3d
[INFO] running `Command { std: "docker" "start" "-a" "eefffabe1359365c2a9aac808792229338ff45ffdfbb0ebf6d6fd11f2568bd3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lesson-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "eefffabe1359365c2a9aac808792229338ff45ffdfbb0ebf6d6fd11f2568bd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eefffabe1359365c2a9aac808792229338ff45ffdfbb0ebf6d6fd11f2568bd3d", kill_on_drop: false }`
[INFO] [stdout] eefffabe1359365c2a9aac808792229338ff45ffdfbb0ebf6d6fd11f2568bd3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b4b20ac162919c697c2932bf50bdba39cd0c5d497b77c5cdbe95384020c2ebb
[INFO] running `Command { std: "docker" "start" "-a" "5b4b20ac162919c697c2932bf50bdba39cd0c5d497b77c5cdbe95384020c2ebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling lesson-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "5b4b20ac162919c697c2932bf50bdba39cd0c5d497b77c5cdbe95384020c2ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4b20ac162919c697c2932bf50bdba39cd0c5d497b77c5cdbe95384020c2ebb", kill_on_drop: false }`
[INFO] [stdout] 5b4b20ac162919c697c2932bf50bdba39cd0c5d497b77c5cdbe95384020c2ebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ec4083c7253e370f3d2681fbb42329d2b9e1b33318a911fbbdc8a82f0766aa6
[INFO] running `Command { std: "docker" "start" "-a" "9ec4083c7253e370f3d2681fbb42329d2b9e1b33318a911fbbdc8a82f0766aa6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lesson_4-dc2106a95263e1ef)
[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" "9ec4083c7253e370f3d2681fbb42329d2b9e1b33318a911fbbdc8a82f0766aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec4083c7253e370f3d2681fbb42329d2b9e1b33318a911fbbdc8a82f0766aa6", kill_on_drop: false }`
[INFO] [stdout] 9ec4083c7253e370f3d2681fbb42329d2b9e1b33318a911fbbdc8a82f0766aa6