[INFO] cloning repository https://github.com/Perfect5th/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Perfect5th/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerfect5th%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerfect5th%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55a814a6df656ec2d8df5efcf09d6b42a52748a3
[INFO] testing Perfect5th/learn_rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerfect5th%2Flearn_rust" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Perfect5th/learn_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Perfect5th/learn_rust
[INFO] finished tweaking git repo https://github.com/Perfect5th/learn_rust
[INFO] tweaked toml for git repo https://github.com/Perfect5th/learn_rust written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/Perfect5th/learn_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55fec4f86ba47dd8a54816810109e39569558df37055707633230a3635c2dc6a
[INFO] running `Command { std: "docker" "start" "-a" "55fec4f86ba47dd8a54816810109e39569558df37055707633230a3635c2dc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55fec4f86ba47dd8a54816810109e39569558df37055707633230a3635c2dc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fec4f86ba47dd8a54816810109e39569558df37055707633230a3635c2dc6a", kill_on_drop: false }`
[INFO] [stdout] 55fec4f86ba47dd8a54816810109e39569558df37055707633230a3635c2dc6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba6e58e4d15d7db5d69b4b7d1a0d67ac68629086ef65098ad9c887fd653b94db
[INFO] running `Command { std: "docker" "start" "-a" "ba6e58e4d15d7db5d69b4b7d1a0d67ac68629086ef65098ad9c887fd653b94db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.65s
[INFO] running `Command { std: "docker" "inspect" "ba6e58e4d15d7db5d69b4b7d1a0d67ac68629086ef65098ad9c887fd653b94db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6e58e4d15d7db5d69b4b7d1a0d67ac68629086ef65098ad9c887fd653b94db", kill_on_drop: false }`
[INFO] [stdout] ba6e58e4d15d7db5d69b4b7d1a0d67ac68629086ef65098ad9c887fd653b94db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 380a21b9c04b091c456ca6e3e5549e64a348d6040bea4147b36d4a854f48b03a
[INFO] running `Command { std: "docker" "start" "-a" "380a21b9c04b091c456ca6e3e5549e64a348d6040bea4147b36d4a854f48b03a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "380a21b9c04b091c456ca6e3e5549e64a348d6040bea4147b36d4a854f48b03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380a21b9c04b091c456ca6e3e5549e64a348d6040bea4147b36d4a854f48b03a", kill_on_drop: false }`
[INFO] [stdout] 380a21b9c04b091c456ca6e3e5549e64a348d6040bea4147b36d4a854f48b03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64c4e0029bb0a240659b12e714473b16e955bebb97f720760da060107e1b368c
[INFO] running `Command { std: "docker" "start" "-a" "64c4e0029bb0a240659b12e714473b16e955bebb97f720760da060107e1b368c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-cd2ccc51ae207145)
[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" "64c4e0029bb0a240659b12e714473b16e955bebb97f720760da060107e1b368c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c4e0029bb0a240659b12e714473b16e955bebb97f720760da060107e1b368c", kill_on_drop: false }`
[INFO] [stdout] 64c4e0029bb0a240659b12e714473b16e955bebb97f720760da060107e1b368c