[INFO] cloning repository https://github.com/Syfaro/unflwrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syfaro/unflwrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Funflwrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Funflwrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd76387788bdbb0ab5996f13d9299967223e22c5
[INFO] checking Syfaro/unflwrs against try#b1375b2484512d46eeace16657e5b4a5450c610b for pr-112743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Funflwrs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Syfaro/unflwrs on toolchain b1375b2484512d46eeace16657e5b4a5450c610b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Syfaro/unflwrs
[INFO] finished tweaking git repo https://github.com/Syfaro/unflwrs
[INFO] tweaked toml for git repo https://github.com/Syfaro/unflwrs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Syfaro/unflwrs 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" "+b1375b2484512d46eeace16657e5b4a5450c610b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f0baea544e0addc7a96122528aa4c9e318927a4b711ff9b7820811f4cd5ff6
[INFO] running `Command { std: "docker" "start" "-a" "f4f0baea544e0addc7a96122528aa4c9e318927a4b711ff9b7820811f4cd5ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f0baea544e0addc7a96122528aa4c9e318927a4b711ff9b7820811f4cd5ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f0baea544e0addc7a96122528aa4c9e318927a4b711ff9b7820811f4cd5ff6", kill_on_drop: false }`
[INFO] [stdout] f4f0baea544e0addc7a96122528aa4c9e318927a4b711ff9b7820811f4cd5ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7de5208abcb82edd16609fddfbf2f1bcf9cc03b9c9dcb9e626897f23bb1266c
[INFO] running `Command { std: "docker" "start" "-a" "a7de5208abcb82edd16609fddfbf2f1bcf9cc03b9c9dcb9e626897f23bb1266c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "a7de5208abcb82edd16609fddfbf2f1bcf9cc03b9c9dcb9e626897f23bb1266c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7de5208abcb82edd16609fddfbf2f1bcf9cc03b9c9dcb9e626897f23bb1266c", kill_on_drop: false }`
[INFO] [stdout] a7de5208abcb82edd16609fddfbf2f1bcf9cc03b9c9dcb9e626897f23bb1266c