[INFO] fetching crate gym-core 0.1.0...
[INFO] testing gym-core-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate gym-core 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate gym-core 0.1.0 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 crates.io crate gym-core 0.1.0
[INFO] finished tweaking crates.io crate gym-core 0.1.0
[INFO] tweaked toml for crates.io crate gym-core 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d39db5b50080471fd91858567548fed85b55d5ed28b93c6bc335f022eec093d5
[INFO] running `Command { std: "docker" "start" "-a" "d39db5b50080471fd91858567548fed85b55d5ed28b93c6bc335f022eec093d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d39db5b50080471fd91858567548fed85b55d5ed28b93c6bc335f022eec093d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39db5b50080471fd91858567548fed85b55d5ed28b93c6bc335f022eec093d5", kill_on_drop: false }`
[INFO] [stdout] d39db5b50080471fd91858567548fed85b55d5ed28b93c6bc335f022eec093d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a96fb17b230d8feee0d40feae3276b77b32b9050a597468ea2ae9470f4fbdf71
[INFO] running `Command { std: "docker" "start" "-a" "a96fb17b230d8feee0d40feae3276b77b32b9050a597468ea2ae9470f4fbdf71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling gym-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
[INFO] running `Command { std: "docker" "inspect" "a96fb17b230d8feee0d40feae3276b77b32b9050a597468ea2ae9470f4fbdf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96fb17b230d8feee0d40feae3276b77b32b9050a597468ea2ae9470f4fbdf71", kill_on_drop: false }`
[INFO] [stdout] a96fb17b230d8feee0d40feae3276b77b32b9050a597468ea2ae9470f4fbdf71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] bcfcb426d7e47cde2226a4425220e37b10991d4a2d02dd1438662289bee39d9f
[INFO] running `Command { std: "docker" "start" "-a" "bcfcb426d7e47cde2226a4425220e37b10991d4a2d02dd1438662289bee39d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gym-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "bcfcb426d7e47cde2226a4425220e37b10991d4a2d02dd1438662289bee39d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfcb426d7e47cde2226a4425220e37b10991d4a2d02dd1438662289bee39d9f", kill_on_drop: false }`
[INFO] [stdout] bcfcb426d7e47cde2226a4425220e37b10991d4a2d02dd1438662289bee39d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 930f0518e449fb7e7011032fd3d28bdcc4976e27718081cb726281048ac06554
[INFO] running `Command { std: "docker" "start" "-a" "930f0518e449fb7e7011032fd3d28bdcc4976e27718081cb726281048ac06554", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gym_core-c61a3f1108fc3d36)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gym-core
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "930f0518e449fb7e7011032fd3d28bdcc4976e27718081cb726281048ac06554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930f0518e449fb7e7011032fd3d28bdcc4976e27718081cb726281048ac06554", kill_on_drop: false }`
[INFO] [stdout] 930f0518e449fb7e7011032fd3d28bdcc4976e27718081cb726281048ac06554