[INFO] cloning repository https://github.com/yujishenlan/RustProgram1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yujishenlan/RustProgram1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyujishenlan%2FRustProgram1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyujishenlan%2FRustProgram1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 040044ef07db0668d0fe23558d4658ccce116ec0
[INFO] testing yujishenlan/RustProgram1 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyujishenlan%2FRustProgram1" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yujishenlan/RustProgram1 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/yujishenlan/RustProgram1
[INFO] finished tweaking git repo https://github.com/yujishenlan/RustProgram1
[INFO] tweaked toml for git repo https://github.com/yujishenlan/RustProgram1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/yujishenlan/RustProgram1 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4bd56ad39ccb616073916bc2c35052544ae88ea8cf90ea637e6911c05c84eb41
[INFO] running `Command { std: "docker" "start" "-a" "4bd56ad39ccb616073916bc2c35052544ae88ea8cf90ea637e6911c05c84eb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd56ad39ccb616073916bc2c35052544ae88ea8cf90ea637e6911c05c84eb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd56ad39ccb616073916bc2c35052544ae88ea8cf90ea637e6911c05c84eb41", kill_on_drop: false }`
[INFO] [stdout] 4bd56ad39ccb616073916bc2c35052544ae88ea8cf90ea637e6911c05c84eb41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8b4013a44847e439d88592d9e72c409ad2f7882705bdfd8f26e3feb1a45f0117
[INFO] running `Command { std: "docker" "start" "-a" "8b4013a44847e439d88592d9e72c409ad2f7882705bdfd8f26e3feb1a45f0117", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rusttest1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "8b4013a44847e439d88592d9e72c409ad2f7882705bdfd8f26e3feb1a45f0117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4013a44847e439d88592d9e72c409ad2f7882705bdfd8f26e3feb1a45f0117", kill_on_drop: false }`
[INFO] [stdout] 8b4013a44847e439d88592d9e72c409ad2f7882705bdfd8f26e3feb1a45f0117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ae4ec1897880d96c18d8e61c0a8c6cd8cd22cfd1be58bb236c580993540d2335
[INFO] running `Command { std: "docker" "start" "-a" "ae4ec1897880d96c18d8e61c0a8c6cd8cd22cfd1be58bb236c580993540d2335", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttest1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "ae4ec1897880d96c18d8e61c0a8c6cd8cd22cfd1be58bb236c580993540d2335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4ec1897880d96c18d8e61c0a8c6cd8cd22cfd1be58bb236c580993540d2335", kill_on_drop: false }`
[INFO] [stdout] ae4ec1897880d96c18d8e61c0a8c6cd8cd22cfd1be58bb236c580993540d2335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 033781f59e8ec71fd6591cb08648322db6541e9d324ef8b06a8efeff904402bb
[INFO] running `Command { std: "docker" "start" "-a" "033781f59e8ec71fd6591cb08648322db6541e9d324ef8b06a8efeff904402bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusttest1-7d8bf09f4f3f6291)
[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" "033781f59e8ec71fd6591cb08648322db6541e9d324ef8b06a8efeff904402bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033781f59e8ec71fd6591cb08648322db6541e9d324ef8b06a8efeff904402bb", kill_on_drop: false }`
[INFO] [stdout] 033781f59e8ec71fd6591cb08648322db6541e9d324ef8b06a8efeff904402bb