[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedeerwe%2Fblack-box-learning" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cedeerwe/black-box-learning on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-50/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" "+1.59.0" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c771215b59519f433ed3c831c6730f7c2addd15053f982e48903f217860d98a8
[INFO] running `Command { std: "docker" "start" "-a" "c771215b59519f433ed3c831c6730f7c2addd15053f982e48903f217860d98a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c771215b59519f433ed3c831c6730f7c2addd15053f982e48903f217860d98a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c771215b59519f433ed3c831c6730f7c2addd15053f982e48903f217860d98a8", kill_on_drop: false }`
[INFO] [stdout] c771215b59519f433ed3c831c6730f7c2addd15053f982e48903f217860d98a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb0362532eb998d563a0816287c366c15c014055e4ed066f87f4f4179e35f3f
[INFO] running `Command { std: "docker" "start" "-a" "bcb0362532eb998d563a0816287c366c15c014055e4ed066f87f4f4179e35f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[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 08s
[INFO] running `Command { std: "docker" "inspect" "bcb0362532eb998d563a0816287c366c15c014055e4ed066f87f4f4179e35f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb0362532eb998d563a0816287c366c15c014055e4ed066f87f4f4179e35f3f", kill_on_drop: false }`
[INFO] [stdout] bcb0362532eb998d563a0816287c366c15c014055e4ed066f87f4f4179e35f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35caa989187bdb760b60823d3e819e4757aea3527b37268b6acbd4657d85be8f
[INFO] running `Command { std: "docker" "start" "-a" "35caa989187bdb760b60823d3e819e4757aea3527b37268b6acbd4657d85be8f", 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 0.48s
[INFO] running `Command { std: "docker" "inspect" "35caa989187bdb760b60823d3e819e4757aea3527b37268b6acbd4657d85be8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35caa989187bdb760b60823d3e819e4757aea3527b37268b6acbd4657d85be8f", kill_on_drop: false }`
[INFO] [stdout] 35caa989187bdb760b60823d3e819e4757aea3527b37268b6acbd4657d85be8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d44b0455024080e86e7d13dddfe7f5653e674f95be801b9c934751eaca4c70ec
[INFO] running `Command { std: "docker" "start" "-a" "d44b0455024080e86e7d13dddfe7f5653e674f95be801b9c934751eaca4c70ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/black_box_learning-35121627380e460a)
[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" "d44b0455024080e86e7d13dddfe7f5653e674f95be801b9c934751eaca4c70ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44b0455024080e86e7d13dddfe7f5653e674f95be801b9c934751eaca4c70ec", kill_on_drop: false }`
[INFO] [stdout] d44b0455024080e86e7d13dddfe7f5653e674f95be801b9c934751eaca4c70ec