[INFO] fetching crate pra 0.1.0...
[INFO] testing pra-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate pra 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate pra 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pra 0.1.0
[INFO] finished tweaking crates.io crate pra 0.1.0
[INFO] tweaked toml for crates.io crate pra 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate crates.io crate pra 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded aoko v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea65f7b803050962edc8f427bde6662bcaa4bfb72e6255bdc2681f3db47c2477
[INFO] running `Command { std: "docker" "start" "-a" "ea65f7b803050962edc8f427bde6662bcaa4bfb72e6255bdc2681f3db47c2477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea65f7b803050962edc8f427bde6662bcaa4bfb72e6255bdc2681f3db47c2477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea65f7b803050962edc8f427bde6662bcaa4bfb72e6255bdc2681f3db47c2477", kill_on_drop: false }`
[INFO] [stdout] ea65f7b803050962edc8f427bde6662bcaa4bfb72e6255bdc2681f3db47c2477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e225421385e6672502cce131b0476bc40203fbed88ac91e355f447d5c3baa331
[INFO] running `Command { std: "docker" "start" "-a" "e225421385e6672502cce131b0476bc40203fbed88ac91e355f447d5c3baa331", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling aoko v0.2.22
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 pra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.02s
[INFO] running `Command { std: "docker" "inspect" "e225421385e6672502cce131b0476bc40203fbed88ac91e355f447d5c3baa331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e225421385e6672502cce131b0476bc40203fbed88ac91e355f447d5c3baa331", kill_on_drop: false }`
[INFO] [stdout] e225421385e6672502cce131b0476bc40203fbed88ac91e355f447d5c3baa331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 634a9c6996c4fe5f9ee17134c4d9e92cecd2135afe49b9726e62eb3410a78ac4
[INFO] running `Command { std: "docker" "start" "-a" "634a9c6996c4fe5f9ee17134c4d9e92cecd2135afe49b9726e62eb3410a78ac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "634a9c6996c4fe5f9ee17134c4d9e92cecd2135afe49b9726e62eb3410a78ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634a9c6996c4fe5f9ee17134c4d9e92cecd2135afe49b9726e62eb3410a78ac4", kill_on_drop: false }`
[INFO] [stdout] 634a9c6996c4fe5f9ee17134c4d9e92cecd2135afe49b9726e62eb3410a78ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b7d81ddb165580251071c68a93d107a6b11424af18b0b7cce02d2a6321ebd16
[INFO] running `Command { std: "docker" "start" "-a" "3b7d81ddb165580251071c68a93d107a6b11424af18b0b7cce02d2a6321ebd16", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pra-65fbc786d6248d7d)
[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" "3b7d81ddb165580251071c68a93d107a6b11424af18b0b7cce02d2a6321ebd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7d81ddb165580251071c68a93d107a6b11424af18b0b7cce02d2a6321ebd16", kill_on_drop: false }`
[INFO] [stdout] 3b7d81ddb165580251071c68a93d107a6b11424af18b0b7cce02d2a6321ebd16