[INFO] fetching crate proverbilo 0.1.3...
[INFO] testing proverbilo-0.1.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate proverbilo 0.1.3 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate proverbilo 0.1.3 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 proverbilo 0.1.3
[INFO] finished tweaking crates.io crate proverbilo 0.1.3
[INFO] tweaked toml for crates.io crate proverbilo 0.1.3 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate proverbilo 0.1.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 96a6ebb48a96f2874a911e2a282b1820efeb2245cc6f752a9508fa251773e0f2
[INFO] running `Command { std: "docker" "start" "-a" "96a6ebb48a96f2874a911e2a282b1820efeb2245cc6f752a9508fa251773e0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a6ebb48a96f2874a911e2a282b1820efeb2245cc6f752a9508fa251773e0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a6ebb48a96f2874a911e2a282b1820efeb2245cc6f752a9508fa251773e0f2", kill_on_drop: false }`
[INFO] [stdout] 96a6ebb48a96f2874a911e2a282b1820efeb2245cc6f752a9508fa251773e0f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] ba22be6f502d25f6701e0104cfeed76f63d421796557bf4e21e3747422bc9e22
[INFO] running `Command { std: "docker" "start" "-a" "ba22be6f502d25f6701e0104cfeed76f63d421796557bf4e21e3747422bc9e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling proverbilo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "ba22be6f502d25f6701e0104cfeed76f63d421796557bf4e21e3747422bc9e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba22be6f502d25f6701e0104cfeed76f63d421796557bf4e21e3747422bc9e22", kill_on_drop: false }`
[INFO] [stdout] ba22be6f502d25f6701e0104cfeed76f63d421796557bf4e21e3747422bc9e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 3a62153a75ea485b27ee2377ecf6d0f1e1cf3087ab6e31cb147d1a64593a3834
[INFO] running `Command { std: "docker" "start" "-a" "3a62153a75ea485b27ee2377ecf6d0f1e1cf3087ab6e31cb147d1a64593a3834", kill_on_drop: false }`
[INFO] [stderr]    Compiling proverbilo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "3a62153a75ea485b27ee2377ecf6d0f1e1cf3087ab6e31cb147d1a64593a3834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a62153a75ea485b27ee2377ecf6d0f1e1cf3087ab6e31cb147d1a64593a3834", kill_on_drop: false }`
[INFO] [stdout] 3a62153a75ea485b27ee2377ecf6d0f1e1cf3087ab6e31cb147d1a64593a3834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 478e98d9ef8f9ceeb4966c6ec8190e4a7efc1d18a6baa7c144eaa100ffb9506e
[INFO] running `Command { std: "docker" "start" "-a" "478e98d9ef8f9ceeb4966c6ec8190e4a7efc1d18a6baa7c144eaa100ffb9506e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/proverbilo-e9f7696b858b78a1)
[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" "478e98d9ef8f9ceeb4966c6ec8190e4a7efc1d18a6baa7c144eaa100ffb9506e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478e98d9ef8f9ceeb4966c6ec8190e4a7efc1d18a6baa7c144eaa100ffb9506e", kill_on_drop: false }`
[INFO] [stdout] 478e98d9ef8f9ceeb4966c6ec8190e4a7efc1d18a6baa7c144eaa100ffb9506e