[INFO] cloning repository https://github.com/Inventitech/helloworld.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Inventitech/helloworld.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInventitech%2Fhelloworld.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInventitech%2Fhelloworld.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9176445cf6c9568aa79f7a6cb812462605e93f90
[INFO] testing Inventitech/helloworld.rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInventitech%2Fhelloworld.rs" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Inventitech/helloworld.rs 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/Inventitech/helloworld.rs
[INFO] finished tweaking git repo https://github.com/Inventitech/helloworld.rs
[INFO] tweaked toml for git repo https://github.com/Inventitech/helloworld.rs written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/Inventitech/helloworld.rs 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] [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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] eed1011e7d9789134ffa6a76f25959e83e4c1be9afdb003419eaf9fe4bed5204
[INFO] running `Command { std: "docker" "start" "-a" "eed1011e7d9789134ffa6a76f25959e83e4c1be9afdb003419eaf9fe4bed5204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed1011e7d9789134ffa6a76f25959e83e4c1be9afdb003419eaf9fe4bed5204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed1011e7d9789134ffa6a76f25959e83e4c1be9afdb003419eaf9fe4bed5204", kill_on_drop: false }`
[INFO] [stdout] eed1011e7d9789134ffa6a76f25959e83e4c1be9afdb003419eaf9fe4bed5204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] c4670bf621853490c1c4f70dcdb6324b21099737e06dbf26dd71ca09d3751913
[INFO] running `Command { std: "docker" "start" "-a" "c4670bf621853490c1c4f70dcdb6324b21099737e06dbf26dd71ca09d3751913", kill_on_drop: false }`
[INFO] [stderr]    Compiling helloworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "c4670bf621853490c1c4f70dcdb6324b21099737e06dbf26dd71ca09d3751913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4670bf621853490c1c4f70dcdb6324b21099737e06dbf26dd71ca09d3751913", kill_on_drop: false }`
[INFO] [stdout] c4670bf621853490c1c4f70dcdb6324b21099737e06dbf26dd71ca09d3751913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] bf0e5e9174305907e0641867b195e670ca2cbb6a94e0106c712d23f77ff84480
[INFO] running `Command { std: "docker" "start" "-a" "bf0e5e9174305907e0641867b195e670ca2cbb6a94e0106c712d23f77ff84480", kill_on_drop: false }`
[INFO] [stderr]    Compiling helloworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "bf0e5e9174305907e0641867b195e670ca2cbb6a94e0106c712d23f77ff84480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0e5e9174305907e0641867b195e670ca2cbb6a94e0106c712d23f77ff84480", kill_on_drop: false }`
[INFO] [stdout] bf0e5e9174305907e0641867b195e670ca2cbb6a94e0106c712d23f77ff84480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] bdd5dabdc2d2706e18c63d96f7542ea2d1d5b87eecfdd635f5796506167a8595
[INFO] running `Command { std: "docker" "start" "-a" "bdd5dabdc2d2706e18c63d96f7542ea2d1d5b87eecfdd635f5796506167a8595", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/helloworld-b06c9b9b5d7b81c7)
[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" "bdd5dabdc2d2706e18c63d96f7542ea2d1d5b87eecfdd635f5796506167a8595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd5dabdc2d2706e18c63d96f7542ea2d1d5b87eecfdd635f5796506167a8595", kill_on_drop: false }`
[INFO] [stdout] bdd5dabdc2d2706e18c63d96f7542ea2d1d5b87eecfdd635f5796506167a8595