[INFO] fetching crate pra 0.1.0...
[INFO] testing pra-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pra 0.1.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate pra 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-51/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" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aoko v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb0de2512411c8c909e0edac695b954f0fb5d60ca30754a17ea9fcf15484bd0c
[INFO] running `Command { std: "docker" "start" "-a" "eb0de2512411c8c909e0edac695b954f0fb5d60ca30754a17ea9fcf15484bd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb0de2512411c8c909e0edac695b954f0fb5d60ca30754a17ea9fcf15484bd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0de2512411c8c909e0edac695b954f0fb5d60ca30754a17ea9fcf15484bd0c", kill_on_drop: false }`
[INFO] [stdout] eb0de2512411c8c909e0edac695b954f0fb5d60ca30754a17ea9fcf15484bd0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 034d018b1e67abc218e18cb36246eff8f6426ed5ff342261d6ed7783cfcd808f
[INFO] running `Command { std: "docker" "start" "-a" "034d018b1e67abc218e18cb36246eff8f6426ed5ff342261d6ed7783cfcd808f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling aoko v0.2.22
[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 16.06s
[INFO] running `Command { std: "docker" "inspect" "034d018b1e67abc218e18cb36246eff8f6426ed5ff342261d6ed7783cfcd808f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034d018b1e67abc218e18cb36246eff8f6426ed5ff342261d6ed7783cfcd808f", kill_on_drop: false }`
[INFO] [stdout] 034d018b1e67abc218e18cb36246eff8f6426ed5ff342261d6ed7783cfcd808f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d62eef779c3c66ec8ae9480b0e4a7532ac2357ab22d3df905b252df497b536bb
[INFO] running `Command { std: "docker" "start" "-a" "d62eef779c3c66ec8ae9480b0e4a7532ac2357ab22d3df905b252df497b536bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "d62eef779c3c66ec8ae9480b0e4a7532ac2357ab22d3df905b252df497b536bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62eef779c3c66ec8ae9480b0e4a7532ac2357ab22d3df905b252df497b536bb", kill_on_drop: false }`
[INFO] [stdout] d62eef779c3c66ec8ae9480b0e4a7532ac2357ab22d3df905b252df497b536bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ddf0af4d5b5629d56044ede29b3b6562ac33d7e9de8e7769beba7d6bbf4d961
[INFO] running `Command { std: "docker" "start" "-a" "8ddf0af4d5b5629d56044ede29b3b6562ac33d7e9de8e7769beba7d6bbf4d961", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pra-5b7d001e277f7f5d)
[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" "8ddf0af4d5b5629d56044ede29b3b6562ac33d7e9de8e7769beba7d6bbf4d961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddf0af4d5b5629d56044ede29b3b6562ac33d7e9de8e7769beba7d6bbf4d961", kill_on_drop: false }`
[INFO] [stdout] 8ddf0af4d5b5629d56044ede29b3b6562ac33d7e9de8e7769beba7d6bbf4d961