[INFO] cloning repository https://github.com/ctrachte/rust_helloworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctrachte/rust_helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctrachte%2Frust_helloworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctrachte%2Frust_helloworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 944c6ea484bac47deee2bfed4ff094d1a2f6da41
[INFO] testing ctrachte/rust_helloworld against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctrachte%2Frust_helloworld" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctrachte/rust_helloworld 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/ctrachte/rust_helloworld
[INFO] finished tweaking git repo https://github.com/ctrachte/rust_helloworld
[INFO] tweaked toml for git repo https://github.com/ctrachte/rust_helloworld written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/ctrachte/rust_helloworld 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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] f398369619eb6f89ae3446e7e11d5fb428ee7873daadd0ddb1bbb0dac8b1a54a
[INFO] running `Command { std: "docker" "start" "-a" "f398369619eb6f89ae3446e7e11d5fb428ee7873daadd0ddb1bbb0dac8b1a54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f398369619eb6f89ae3446e7e11d5fb428ee7873daadd0ddb1bbb0dac8b1a54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f398369619eb6f89ae3446e7e11d5fb428ee7873daadd0ddb1bbb0dac8b1a54a", kill_on_drop: false }`
[INFO] [stdout] f398369619eb6f89ae3446e7e11d5fb428ee7873daadd0ddb1bbb0dac8b1a54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] dd8a2e2ee223203f13a42e84e60fe2ec94e7792a3e69633f04c2de7bb9372d19
[INFO] running `Command { std: "docker" "start" "-a" "dd8a2e2ee223203f13a42e84e60fe2ec94e7792a3e69633f04c2de7bb9372d19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "dd8a2e2ee223203f13a42e84e60fe2ec94e7792a3e69633f04c2de7bb9372d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8a2e2ee223203f13a42e84e60fe2ec94e7792a3e69633f04c2de7bb9372d19", kill_on_drop: false }`
[INFO] [stdout] dd8a2e2ee223203f13a42e84e60fe2ec94e7792a3e69633f04c2de7bb9372d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 81934c1ad33d2b0e6a3ad27bb5492d921146de0e587f6d83f0cc41776c2deda9
[INFO] running `Command { std: "docker" "start" "-a" "81934c1ad33d2b0e6a3ad27bb5492d921146de0e587f6d83f0cc41776c2deda9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "81934c1ad33d2b0e6a3ad27bb5492d921146de0e587f6d83f0cc41776c2deda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81934c1ad33d2b0e6a3ad27bb5492d921146de0e587f6d83f0cc41776c2deda9", kill_on_drop: false }`
[INFO] [stdout] 81934c1ad33d2b0e6a3ad27bb5492d921146de0e587f6d83f0cc41776c2deda9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 536204c5df02f7e5b7e3680d96ce7fab442dfdc744c7c9593a9f87970caa9109
[INFO] running `Command { std: "docker" "start" "-a" "536204c5df02f7e5b7e3680d96ce7fab442dfdc744c7c9593a9f87970caa9109", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_cargo-2d2c1558816a00d9)
[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" "536204c5df02f7e5b7e3680d96ce7fab442dfdc744c7c9593a9f87970caa9109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536204c5df02f7e5b7e3680d96ce7fab442dfdc744c7c9593a9f87970caa9109", kill_on_drop: false }`
[INFO] [stdout] 536204c5df02f7e5b7e3680d96ce7fab442dfdc744c7c9593a9f87970caa9109