[INFO] fetching crate jpret 0.1.1...
[INFO] testing jpret-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate jpret 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jpret 0.1.1 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 jpret 0.1.1
[INFO] finished tweaking crates.io crate jpret 0.1.1
[INFO] tweaked toml for crates.io crate jpret 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate jpret 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5f7980825dea11083bf9586318d01e4cb230bda4bf5613786fbf333063a12d60
[INFO] running `Command { std: "docker" "start" "-a" "5f7980825dea11083bf9586318d01e4cb230bda4bf5613786fbf333063a12d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f7980825dea11083bf9586318d01e4cb230bda4bf5613786fbf333063a12d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7980825dea11083bf9586318d01e4cb230bda4bf5613786fbf333063a12d60", kill_on_drop: false }`
[INFO] [stdout] 5f7980825dea11083bf9586318d01e4cb230bda4bf5613786fbf333063a12d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cbae0f1306be1e5d284d66705823c4d5fcc3ac98d8a8e270f7ed6479cea3734e
[INFO] running `Command { std: "docker" "start" "-a" "cbae0f1306be1e5d284d66705823c4d5fcc3ac98d8a8e270f7ed6479cea3734e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling linkify v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling json-color v0.7.1
[INFO] [stderr]    Compiling jpret v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.87s
[INFO] running `Command { std: "docker" "inspect" "cbae0f1306be1e5d284d66705823c4d5fcc3ac98d8a8e270f7ed6479cea3734e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbae0f1306be1e5d284d66705823c4d5fcc3ac98d8a8e270f7ed6479cea3734e", kill_on_drop: false }`
[INFO] [stdout] cbae0f1306be1e5d284d66705823c4d5fcc3ac98d8a8e270f7ed6479cea3734e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] da2f59fbe0628187966398ba91227ea52a6405b5da64995913b384cf659e055d
[INFO] running `Command { std: "docker" "start" "-a" "da2f59fbe0628187966398ba91227ea52a6405b5da64995913b384cf659e055d", kill_on_drop: false }`
[INFO] [stderr]    Compiling jpret v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "da2f59fbe0628187966398ba91227ea52a6405b5da64995913b384cf659e055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2f59fbe0628187966398ba91227ea52a6405b5da64995913b384cf659e055d", kill_on_drop: false }`
[INFO] [stdout] da2f59fbe0628187966398ba91227ea52a6405b5da64995913b384cf659e055d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1619cb551ea88eb38721ea415a2797c10066f17b583aeed7b7b5300aa64d1334
[INFO] running `Command { std: "docker" "start" "-a" "1619cb551ea88eb38721ea415a2797c10066f17b583aeed7b7b5300aa64d1334", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jpret-7efccfd29b872a68)
[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" "1619cb551ea88eb38721ea415a2797c10066f17b583aeed7b7b5300aa64d1334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1619cb551ea88eb38721ea415a2797c10066f17b583aeed7b7b5300aa64d1334", kill_on_drop: false }`
[INFO] [stdout] 1619cb551ea88eb38721ea415a2797c10066f17b583aeed7b7b5300aa64d1334