[INFO] fetching crate prand 1.0.1...
[INFO] testing prand-1.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate prand 1.0.1 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate prand 1.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prand 1.0.1
[INFO] finished tweaking crates.io crate prand 1.0.1
[INFO] tweaked toml for crates.io crate prand 1.0.1 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate crates.io crate prand 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14ac7a263ebcd3c54a5b35f9ae701e3d1aaeecf35f48872bb0d7ffa8557555b6
[INFO] running `Command { std: "docker" "start" "-a" "14ac7a263ebcd3c54a5b35f9ae701e3d1aaeecf35f48872bb0d7ffa8557555b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ac7a263ebcd3c54a5b35f9ae701e3d1aaeecf35f48872bb0d7ffa8557555b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ac7a263ebcd3c54a5b35f9ae701e3d1aaeecf35f48872bb0d7ffa8557555b6", kill_on_drop: false }`
[INFO] [stdout] 14ac7a263ebcd3c54a5b35f9ae701e3d1aaeecf35f48872bb0d7ffa8557555b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74aa315fc2c6625a72b865f1016e528aa3579ea4b93d5043479450a1b812bb17
[INFO] running `Command { std: "docker" "start" "-a" "74aa315fc2c6625a72b865f1016e528aa3579ea4b93d5043479450a1b812bb17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling prand v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "74aa315fc2c6625a72b865f1016e528aa3579ea4b93d5043479450a1b812bb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74aa315fc2c6625a72b865f1016e528aa3579ea4b93d5043479450a1b812bb17", kill_on_drop: false }`
[INFO] [stdout] 74aa315fc2c6625a72b865f1016e528aa3579ea4b93d5043479450a1b812bb17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a8f359320709c4420abf89e33d8a6b75442ad39910e6f8c327f5d6aa6e96b14
[INFO] running `Command { std: "docker" "start" "-a" "0a8f359320709c4420abf89e33d8a6b75442ad39910e6f8c327f5d6aa6e96b14", kill_on_drop: false }`
[INFO] [stderr]    Compiling prand v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "0a8f359320709c4420abf89e33d8a6b75442ad39910e6f8c327f5d6aa6e96b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8f359320709c4420abf89e33d8a6b75442ad39910e6f8c327f5d6aa6e96b14", kill_on_drop: false }`
[INFO] [stdout] 0a8f359320709c4420abf89e33d8a6b75442ad39910e6f8c327f5d6aa6e96b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fc69858cb0a133cfa1f890a704ec40403c606479acab3f015957faf6414caad
[INFO] running `Command { std: "docker" "start" "-a" "8fc69858cb0a133cfa1f890a704ec40403c606479acab3f015957faf6414caad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prand-f6b2008b76d6f7c9)
[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" "8fc69858cb0a133cfa1f890a704ec40403c606479acab3f015957faf6414caad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc69858cb0a133cfa1f890a704ec40403c606479acab3f015957faf6414caad", kill_on_drop: false }`
[INFO] [stdout] 8fc69858cb0a133cfa1f890a704ec40403c606479acab3f015957faf6414caad