[INFO] cloning repository https://github.com/johnnyedgett/Rust-Snippets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnnyedgett/Rust-Snippets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnnyedgett%2FRust-Snippets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnnyedgett%2FRust-Snippets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cef96b14c675a70a7686f85fd10c908956c52a4
[INFO] testing johnnyedgett/Rust-Snippets against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnnyedgett%2FRust-Snippets" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnnyedgett/Rust-Snippets 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/johnnyedgett/Rust-Snippets
[INFO] finished tweaking git repo https://github.com/johnnyedgett/Rust-Snippets
[INFO] tweaked toml for git repo https://github.com/johnnyedgett/Rust-Snippets written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/johnnyedgett/Rust-Snippets 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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] ccf4115e12359cf98aea855c816f096ae2af31a23251d5e3303a2156530ada99
[INFO] running `Command { std: "docker" "start" "-a" "ccf4115e12359cf98aea855c816f096ae2af31a23251d5e3303a2156530ada99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf4115e12359cf98aea855c816f096ae2af31a23251d5e3303a2156530ada99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf4115e12359cf98aea855c816f096ae2af31a23251d5e3303a2156530ada99", kill_on_drop: false }`
[INFO] [stdout] ccf4115e12359cf98aea855c816f096ae2af31a23251d5e3303a2156530ada99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] c735474b2e623ae4f239b50bb3a342cb1d040bdbbda5abcde33aaf8bb0d470f6
[INFO] running `Command { std: "docker" "start" "-a" "c735474b2e623ae4f239b50bb3a342cb1d040bdbbda5abcde33aaf8bb0d470f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rust_snippets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "c735474b2e623ae4f239b50bb3a342cb1d040bdbbda5abcde33aaf8bb0d470f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c735474b2e623ae4f239b50bb3a342cb1d040bdbbda5abcde33aaf8bb0d470f6", kill_on_drop: false }`
[INFO] [stdout] c735474b2e623ae4f239b50bb3a342cb1d040bdbbda5abcde33aaf8bb0d470f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 757a704a77d12b1d1e118ceb6af8a36d7265bbeec9681af01cc8a9ab9a50af05
[INFO] running `Command { std: "docker" "start" "-a" "757a704a77d12b1d1e118ceb6af8a36d7265bbeec9681af01cc8a9ab9a50af05", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_snippets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "757a704a77d12b1d1e118ceb6af8a36d7265bbeec9681af01cc8a9ab9a50af05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757a704a77d12b1d1e118ceb6af8a36d7265bbeec9681af01cc8a9ab9a50af05", kill_on_drop: false }`
[INFO] [stdout] 757a704a77d12b1d1e118ceb6af8a36d7265bbeec9681af01cc8a9ab9a50af05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 7f0e4a510f48fb398489048a39ec3b35697a531d5f28dab3116e00711422ee8a
[INFO] running `Command { std: "docker" "start" "-a" "7f0e4a510f48fb398489048a39ec3b35697a531d5f28dab3116e00711422ee8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_snippets-bcca07d16219739a)
[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" "7f0e4a510f48fb398489048a39ec3b35697a531d5f28dab3116e00711422ee8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0e4a510f48fb398489048a39ec3b35697a531d5f28dab3116e00711422ee8a", kill_on_drop: false }`
[INFO] [stdout] 7f0e4a510f48fb398489048a39ec3b35697a531d5f28dab3116e00711422ee8a