[INFO] cloning repository https://github.com/guftall/bfs-implement-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guftall/bfs-implement-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguftall%2Fbfs-implement-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguftall%2Fbfs-implement-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 676f83d9d051a92a129b26c01f1dcff63e100c59
[INFO] testing guftall/bfs-implement-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguftall%2Fbfs-implement-rust" "/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/guftall/bfs-implement-rust 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/guftall/bfs-implement-rust
[INFO] finished tweaking git repo https://github.com/guftall/bfs-implement-rust
[INFO] tweaked toml for git repo https://github.com/guftall/bfs-implement-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/guftall/bfs-implement-rust 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] 6bd5b3c731ad42946fdfa36cebcd102ffad300e45024f66712f6b3801c6ba1fc
[INFO] running `Command { std: "docker" "start" "-a" "6bd5b3c731ad42946fdfa36cebcd102ffad300e45024f66712f6b3801c6ba1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd5b3c731ad42946fdfa36cebcd102ffad300e45024f66712f6b3801c6ba1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd5b3c731ad42946fdfa36cebcd102ffad300e45024f66712f6b3801c6ba1fc", kill_on_drop: false }`
[INFO] [stdout] 6bd5b3c731ad42946fdfa36cebcd102ffad300e45024f66712f6b3801c6ba1fc
[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] d6a81087f43e8dc67fdbbf3f7ea3c65c9ace574979f116650790a7267d37b84a
[INFO] running `Command { std: "docker" "start" "-a" "d6a81087f43e8dc67fdbbf3f7ea3c65c9ace574979f116650790a7267d37b84a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d6a81087f43e8dc67fdbbf3f7ea3c65c9ace574979f116650790a7267d37b84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a81087f43e8dc67fdbbf3f7ea3c65c9ace574979f116650790a7267d37b84a", kill_on_drop: false }`
[INFO] [stdout] d6a81087f43e8dc67fdbbf3f7ea3c65c9ace574979f116650790a7267d37b84a
[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] 3c1dd70af6a954bbf135b8dea27778fda02373a4e9c27dd46c811e4c788a1533
[INFO] running `Command { std: "docker" "start" "-a" "3c1dd70af6a954bbf135b8dea27778fda02373a4e9c27dd46c811e4c788a1533", kill_on_drop: false }`
[INFO] [stderr]    Compiling bfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "3c1dd70af6a954bbf135b8dea27778fda02373a4e9c27dd46c811e4c788a1533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1dd70af6a954bbf135b8dea27778fda02373a4e9c27dd46c811e4c788a1533", kill_on_drop: false }`
[INFO] [stdout] 3c1dd70af6a954bbf135b8dea27778fda02373a4e9c27dd46c811e4c788a1533
[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] 5c16df1dc52c028e03e3e64ba8c7e9149028f806504d61fb27681389899e4cb5
[INFO] running `Command { std: "docker" "start" "-a" "5c16df1dc52c028e03e3e64ba8c7e9149028f806504d61fb27681389899e4cb5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bfs-cbe8aa7529f3f1c1)
[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" "5c16df1dc52c028e03e3e64ba8c7e9149028f806504d61fb27681389899e4cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c16df1dc52c028e03e3e64ba8c7e9149028f806504d61fb27681389899e4cb5", kill_on_drop: false }`
[INFO] [stdout] 5c16df1dc52c028e03e3e64ba8c7e9149028f806504d61fb27681389899e4cb5