[INFO] cloning repository https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBitshift-Variations-Humanized%2Fbitshift-variations-rusted", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBitshift-Variations-Humanized%2Fbitshift-variations-rusted'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1195e8928d44095b98f9f7c3e34302daae4bf09
[INFO] checking Bitshift-Variations-Humanized/bitshift-variations-rusted against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBitshift-Variations-Humanized%2Fbitshift-variations-rusted" "/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/Bitshift-Variations-Humanized/bitshift-variations-rusted on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted
[INFO] finished tweaking git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted
[INFO] tweaked toml for git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded midly v0.5.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ce1b5645594fecbce7863e9c39490f739cc3765033aa46facec03841ecf481
[INFO] running `Command { std: "docker" "start" "-a" "f0ce1b5645594fecbce7863e9c39490f739cc3765033aa46facec03841ecf481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ce1b5645594fecbce7863e9c39490f739cc3765033aa46facec03841ecf481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ce1b5645594fecbce7863e9c39490f739cc3765033aa46facec03841ecf481", kill_on_drop: false }`
[INFO] [stdout] f0ce1b5645594fecbce7863e9c39490f739cc3765033aa46facec03841ecf481
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62e26d355396e241003956d15b2cdbeaaa854d4a8ba4ddf5e80d4d909a2294a5
[INFO] running `Command { std: "docker" "start" "-a" "62e26d355396e241003956d15b2cdbeaaa854d4a8ba4ddf5e80d4d909a2294a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking midly v0.5.2
[INFO] [stderr]     Checking rusted-variations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "62e26d355396e241003956d15b2cdbeaaa854d4a8ba4ddf5e80d4d909a2294a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e26d355396e241003956d15b2cdbeaaa854d4a8ba4ddf5e80d4d909a2294a5", kill_on_drop: false }`
[INFO] [stdout] 62e26d355396e241003956d15b2cdbeaaa854d4a8ba4ddf5e80d4d909a2294a5
[INFO] checking Bitshift-Variations-Humanized/bitshift-variations-rusted against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBitshift-Variations-Humanized%2Fbitshift-variations-rusted" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted
[INFO] finished tweaking git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted
[INFO] tweaked toml for git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bitshift-Variations-Humanized/bitshift-variations-rusted 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ae71bc0e25128dd20bb8b7d076be4fd61bd033594a6079b6881ce2f6cce0d97
[INFO] running `Command { std: "docker" "start" "-a" "9ae71bc0e25128dd20bb8b7d076be4fd61bd033594a6079b6881ce2f6cce0d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae71bc0e25128dd20bb8b7d076be4fd61bd033594a6079b6881ce2f6cce0d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae71bc0e25128dd20bb8b7d076be4fd61bd033594a6079b6881ce2f6cce0d97", kill_on_drop: false }`
[INFO] [stdout] 9ae71bc0e25128dd20bb8b7d076be4fd61bd033594a6079b6881ce2f6cce0d97
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a7efb1149b38507d29ac81e14bd5180f55adca1b9c7a67418d8e62dcfac6cf
[INFO] running `Command { std: "docker" "start" "-a" "21a7efb1149b38507d29ac81e14bd5180f55adca1b9c7a67418d8e62dcfac6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking midly v0.5.2
[INFO] [stderr]     Checking rusted-variations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "21a7efb1149b38507d29ac81e14bd5180f55adca1b9c7a67418d8e62dcfac6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a7efb1149b38507d29ac81e14bd5180f55adca1b9c7a67418d8e62dcfac6cf", kill_on_drop: false }`
[INFO] [stdout] 21a7efb1149b38507d29ac81e14bd5180f55adca1b9c7a67418d8e62dcfac6cf