[INFO] fetching crate randomwalk 0.1.3...
[INFO] testing randomwalk-0.1.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate randomwalk 0.1.3 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate randomwalk 0.1.3 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 randomwalk 0.1.3
[INFO] finished tweaking crates.io crate randomwalk 0.1.3
[INFO] tweaked toml for crates.io crate randomwalk 0.1.3 written to /workspace/builds/worker-90/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 60346dc6b9a310c3a33500aabdf6e51b5a0094d790d4c217083e699d2fc51eff
[INFO] running `Command { std: "docker" "start" "-a" "60346dc6b9a310c3a33500aabdf6e51b5a0094d790d4c217083e699d2fc51eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60346dc6b9a310c3a33500aabdf6e51b5a0094d790d4c217083e699d2fc51eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60346dc6b9a310c3a33500aabdf6e51b5a0094d790d4c217083e699d2fc51eff", kill_on_drop: false }`
[INFO] [stdout] 60346dc6b9a310c3a33500aabdf6e51b5a0094d790d4c217083e699d2fc51eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] ff7ed3ed11d30aa2987d27f8e8e56c24021c37f8a8e40d77ac585bea0e2437c2
[INFO] running `Command { std: "docker" "start" "-a" "ff7ed3ed11d30aa2987d27f8e8e56c24021c37f8a8e40d77ac585bea0e2437c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling randomwalk v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "ff7ed3ed11d30aa2987d27f8e8e56c24021c37f8a8e40d77ac585bea0e2437c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7ed3ed11d30aa2987d27f8e8e56c24021c37f8a8e40d77ac585bea0e2437c2", kill_on_drop: false }`
[INFO] [stdout] ff7ed3ed11d30aa2987d27f8e8e56c24021c37f8a8e40d77ac585bea0e2437c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 48e0878200eb315e8b79bdc1249b54bb3ca91e43090d3e32d0d22b20daf8cd93
[INFO] running `Command { std: "docker" "start" "-a" "48e0878200eb315e8b79bdc1249b54bb3ca91e43090d3e32d0d22b20daf8cd93", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling randomwalk v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "48e0878200eb315e8b79bdc1249b54bb3ca91e43090d3e32d0d22b20daf8cd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e0878200eb315e8b79bdc1249b54bb3ca91e43090d3e32d0d22b20daf8cd93", kill_on_drop: false }`
[INFO] [stdout] 48e0878200eb315e8b79bdc1249b54bb3ca91e43090d3e32d0d22b20daf8cd93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 070042eb7926d91b8216ab8faf2b2fe1a07d50e5dc84211b4beba1031b9184f9
[INFO] running `Command { std: "docker" "start" "-a" "070042eb7926d91b8216ab8faf2b2fe1a07d50e5dc84211b4beba1031b9184f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/randomwalk-cf96a122e323bc89)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests randomwalk
[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] [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" "070042eb7926d91b8216ab8faf2b2fe1a07d50e5dc84211b4beba1031b9184f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070042eb7926d91b8216ab8faf2b2fe1a07d50e5dc84211b4beba1031b9184f9", kill_on_drop: false }`
[INFO] [stdout] 070042eb7926d91b8216ab8faf2b2fe1a07d50e5dc84211b4beba1031b9184f9