[INFO] fetching crate percentum 0.0.6...
[INFO] building percentum-0.0.6 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate percentum 0.0.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate percentum 0.0.6
[INFO] finished tweaking crates.io crate percentum 0.0.6
[INFO] tweaked toml for crates.io crate percentum 0.0.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate percentum 0.0.6 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate percentum 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02c2b1d082579f9e3f30b28d9ad7a9b5af0c83d599b26e19caa39147d729daaa
[INFO] running `Command { std: "docker" "start" "-a" "02c2b1d082579f9e3f30b28d9ad7a9b5af0c83d599b26e19caa39147d729daaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02c2b1d082579f9e3f30b28d9ad7a9b5af0c83d599b26e19caa39147d729daaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c2b1d082579f9e3f30b28d9ad7a9b5af0c83d599b26e19caa39147d729daaa", kill_on_drop: false }`
[INFO] [stdout] 02c2b1d082579f9e3f30b28d9ad7a9b5af0c83d599b26e19caa39147d729daaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33991bc9899a27c390dec5ea4b4b4bc0a7f0e7a50b1b9c11693ca05b2e1a4748
[INFO] running `Command { std: "docker" "start" "-a" "33991bc9899a27c390dec5ea4b4b4bc0a7f0e7a50b1b9c11693ca05b2e1a4748", kill_on_drop: false }`
[INFO] [stderr]    Compiling percentum v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "33991bc9899a27c390dec5ea4b4b4bc0a7f0e7a50b1b9c11693ca05b2e1a4748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33991bc9899a27c390dec5ea4b4b4bc0a7f0e7a50b1b9c11693ca05b2e1a4748", kill_on_drop: false }`
[INFO] [stdout] 33991bc9899a27c390dec5ea4b4b4bc0a7f0e7a50b1b9c11693ca05b2e1a4748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dca17206094c282b48e293a7bb730860c37a627118db7ffad6cd09a7f842033
[INFO] running `Command { std: "docker" "start" "-a" "2dca17206094c282b48e293a7bb730860c37a627118db7ffad6cd09a7f842033", kill_on_drop: false }`
[INFO] [stderr]    Compiling percentum v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2dca17206094c282b48e293a7bb730860c37a627118db7ffad6cd09a7f842033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dca17206094c282b48e293a7bb730860c37a627118db7ffad6cd09a7f842033", kill_on_drop: false }`
[INFO] [stdout] 2dca17206094c282b48e293a7bb730860c37a627118db7ffad6cd09a7f842033