[INFO] cloning repository https://github.com/maxwell-fr/MPassR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxwell-fr/MPassR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell-fr%2FMPassR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell-fr%2FMPassR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e63ebe83e0f21c87593943d1feb4cce861ec731a
[INFO] checking maxwell-fr/MPassR against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell-fr%2FMPassR" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxwell-fr/MPassR on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxwell-fr/MPassR
[INFO] finished tweaking git repo https://github.com/maxwell-fr/MPassR
[INFO] tweaked toml for git repo https://github.com/maxwell-fr/MPassR written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maxwell-fr/MPassR 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3cc48b0d692538cd96372c93b78bf4bcad9d02547e0b30d1396b6b10827ca94
[INFO] running `Command { std: "docker" "start" "-a" "a3cc48b0d692538cd96372c93b78bf4bcad9d02547e0b30d1396b6b10827ca94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3cc48b0d692538cd96372c93b78bf4bcad9d02547e0b30d1396b6b10827ca94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cc48b0d692538cd96372c93b78bf4bcad9d02547e0b30d1396b6b10827ca94", kill_on_drop: false }`
[INFO] [stdout] a3cc48b0d692538cd96372c93b78bf4bcad9d02547e0b30d1396b6b10827ca94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82a37ba98901e8d6bda74a924c5d5c4c10e932590891a05ae6a08cdf36fd2d9c
[INFO] running `Command { std: "docker" "start" "-a" "82a37ba98901e8d6bda74a924c5d5c4c10e932590891a05ae6a08cdf36fd2d9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking mpass v0.1.0 (/opt/rustwide/workdir/mpass)
[INFO] [stdout] warning: unused variable: `tester`
[INFO] [stdout]    --> mpass/src/specifier.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let tester = Specifier::try_parse("?aaa###").unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tester`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking mpassgen v0.1.0 (/opt/rustwide/workdir/mpassgen)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "82a37ba98901e8d6bda74a924c5d5c4c10e932590891a05ae6a08cdf36fd2d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a37ba98901e8d6bda74a924c5d5c4c10e932590891a05ae6a08cdf36fd2d9c", kill_on_drop: false }`
[INFO] [stdout] 82a37ba98901e8d6bda74a924c5d5c4c10e932590891a05ae6a08cdf36fd2d9c