[INFO] cloning repository https://github.com/cedeerwe/black-box-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cedeerwe/black-box-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedeerwe%2Fblack-box-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedeerwe%2Fblack-box-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0223f15b0a38ac3a5e22d7c31912a52164532c2
[INFO] testing cedeerwe/black-box-learning against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedeerwe%2Fblack-box-learning" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cedeerwe/black-box-learning 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/cedeerwe/black-box-learning
[INFO] finished tweaking git repo https://github.com/cedeerwe/black-box-learning
[INFO] tweaked toml for git repo https://github.com/cedeerwe/black-box-learning written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/cedeerwe/black-box-learning 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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] e826f8b03f9046f08bf0023eaf3d9fe5b68a24c9ade77aa1dba0d212a34f0b1f
[INFO] running `Command { std: "docker" "start" "-a" "e826f8b03f9046f08bf0023eaf3d9fe5b68a24c9ade77aa1dba0d212a34f0b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e826f8b03f9046f08bf0023eaf3d9fe5b68a24c9ade77aa1dba0d212a34f0b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e826f8b03f9046f08bf0023eaf3d9fe5b68a24c9ade77aa1dba0d212a34f0b1f", kill_on_drop: false }`
[INFO] [stdout] e826f8b03f9046f08bf0023eaf3d9fe5b68a24c9ade77aa1dba0d212a34f0b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 169f240f9eefff46dbed635f7c604a9ae7532bbd113c6778a76aabe06a715893
[INFO] running `Command { std: "docker" "start" "-a" "169f240f9eefff46dbed635f7c604a9ae7532bbd113c6778a76aabe06a715893", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling black-box-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 29s
[INFO] running `Command { std: "docker" "inspect" "169f240f9eefff46dbed635f7c604a9ae7532bbd113c6778a76aabe06a715893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169f240f9eefff46dbed635f7c604a9ae7532bbd113c6778a76aabe06a715893", kill_on_drop: false }`
[INFO] [stdout] 169f240f9eefff46dbed635f7c604a9ae7532bbd113c6778a76aabe06a715893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 7f7eb9ee6927476617c9474be457795d5d62b4298afcc326c947831f9e9fd4f8
[INFO] running `Command { std: "docker" "start" "-a" "7f7eb9ee6927476617c9474be457795d5d62b4298afcc326c947831f9e9fd4f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling black-box-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "7f7eb9ee6927476617c9474be457795d5d62b4298afcc326c947831f9e9fd4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7eb9ee6927476617c9474be457795d5d62b4298afcc326c947831f9e9fd4f8", kill_on_drop: false }`
[INFO] [stdout] 7f7eb9ee6927476617c9474be457795d5d62b4298afcc326c947831f9e9fd4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] d4f1f12cf2ad0d5892b63dfb5645a62a87b2d17341e36d7b594ffc50c479d5ad
[INFO] running `Command { std: "docker" "start" "-a" "d4f1f12cf2ad0d5892b63dfb5645a62a87b2d17341e36d7b594ffc50c479d5ad", 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 0.30s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/black_box_learning-575fb493f9e2db27)
[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" "d4f1f12cf2ad0d5892b63dfb5645a62a87b2d17341e36d7b594ffc50c479d5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f1f12cf2ad0d5892b63dfb5645a62a87b2d17341e36d7b594ffc50c479d5ad", kill_on_drop: false }`
[INFO] [stdout] d4f1f12cf2ad0d5892b63dfb5645a62a87b2d17341e36d7b594ffc50c479d5ad