[INFO] cloning repository https://github.com/edwintcloud/hello_rusty_world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwintcloud/hello_rusty_world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwintcloud%2Fhello_rusty_world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwintcloud%2Fhello_rusty_world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa3c83ccfbc4bbd6461650dd491e44fa0b5af6b4
[INFO] testing edwintcloud/hello_rusty_world against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwintcloud%2Fhello_rusty_world" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwintcloud/hello_rusty_world on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edwintcloud/hello_rusty_world
[INFO] finished tweaking git repo https://github.com/edwintcloud/hello_rusty_world
[INFO] tweaked toml for git repo https://github.com/edwintcloud/hello_rusty_world written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/edwintcloud/hello_rusty_world already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4781f9013e053105b35a90632d1e518cb05be14e0fc3fea590f78719e10607a8
[INFO] running `Command { std: "docker" "start" "-a" "4781f9013e053105b35a90632d1e518cb05be14e0fc3fea590f78719e10607a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4781f9013e053105b35a90632d1e518cb05be14e0fc3fea590f78719e10607a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4781f9013e053105b35a90632d1e518cb05be14e0fc3fea590f78719e10607a8", kill_on_drop: false }`
[INFO] [stdout] 4781f9013e053105b35a90632d1e518cb05be14e0fc3fea590f78719e10607a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 971ef764a46bfcb20001778a91021228762a742d5e0dced2e87cc54c3d9b2baa
[INFO] running `Command { std: "docker" "start" "-a" "971ef764a46bfcb20001778a91021228762a742d5e0dced2e87cc54c3d9b2baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_isaac v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]    Compiling hello_rusty_world v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "971ef764a46bfcb20001778a91021228762a742d5e0dced2e87cc54c3d9b2baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971ef764a46bfcb20001778a91021228762a742d5e0dced2e87cc54c3d9b2baa", kill_on_drop: false }`
[INFO] [stdout] 971ef764a46bfcb20001778a91021228762a742d5e0dced2e87cc54c3d9b2baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b655b22b335ce2fe579737a9a18bbdbe7c5443fa47bbe885877e290f3629a098
[INFO] running `Command { std: "docker" "start" "-a" "b655b22b335ce2fe579737a9a18bbdbe7c5443fa47bbe885877e290f3629a098", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_rusty_world v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "b655b22b335ce2fe579737a9a18bbdbe7c5443fa47bbe885877e290f3629a098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b655b22b335ce2fe579737a9a18bbdbe7c5443fa47bbe885877e290f3629a098", kill_on_drop: false }`
[INFO] [stdout] b655b22b335ce2fe579737a9a18bbdbe7c5443fa47bbe885877e290f3629a098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 443ee7e46058a005b8d940e4ab710085866e94926ebb1c9ee3592ccb4fd07afb
[INFO] running `Command { std: "docker" "start" "-a" "443ee7e46058a005b8d940e4ab710085866e94926ebb1c9ee3592ccb4fd07afb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rusty_world-0d8b78b8ee0782a0)
[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" "443ee7e46058a005b8d940e4ab710085866e94926ebb1c9ee3592ccb4fd07afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443ee7e46058a005b8d940e4ab710085866e94926ebb1c9ee3592ccb4fd07afb", kill_on_drop: false }`
[INFO] [stdout] 443ee7e46058a005b8d940e4ab710085866e94926ebb1c9ee3592ccb4fd07afb