[INFO] cloning repository https://github.com/blt/cargo-flake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/cargo-flake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fcargo-flake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fcargo-flake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] baa5567ae5787172e6ced323994bdd177a9d4f1d
[INFO] checking blt/cargo-flake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fcargo-flake" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/cargo-flake 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/blt/cargo-flake
[INFO] finished tweaking git repo https://github.com/blt/cargo-flake
[INFO] tweaked toml for git repo https://github.com/blt/cargo-flake written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/cargo-flake 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 tabular v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fad3b52e940d4b7acef745ebf4aa88e20f8694267fc1fc3e2ff87c6d723cd37e
[INFO] running `Command { std: "docker" "start" "-a" "fad3b52e940d4b7acef745ebf4aa88e20f8694267fc1fc3e2ff87c6d723cd37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad3b52e940d4b7acef745ebf4aa88e20f8694267fc1fc3e2ff87c6d723cd37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad3b52e940d4b7acef745ebf4aa88e20f8694267fc1fc3e2ff87c6d723cd37e", kill_on_drop: false }`
[INFO] [stdout] fad3b52e940d4b7acef745ebf4aa88e20f8694267fc1fc3e2ff87c6d723cd37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0ab702f0e562ef24a7ba7ecf75b95657ea5615439b511afd5e1b91985749b682
[INFO] running `Command { std: "docker" "start" "-a" "0ab702f0e562ef24a7ba7ecf75b95657ea5615439b511afd5e1b91985749b682", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking tabular v0.1.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking cargo-flake v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "0ab702f0e562ef24a7ba7ecf75b95657ea5615439b511afd5e1b91985749b682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab702f0e562ef24a7ba7ecf75b95657ea5615439b511afd5e1b91985749b682", kill_on_drop: false }`
[INFO] [stdout] 0ab702f0e562ef24a7ba7ecf75b95657ea5615439b511afd5e1b91985749b682
[INFO] checking blt/cargo-flake against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fcargo-flake" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/cargo-flake on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blt/cargo-flake
[INFO] finished tweaking git repo https://github.com/blt/cargo-flake
[INFO] tweaked toml for git repo https://github.com/blt/cargo-flake written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/cargo-flake 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7db5156feda5d8c909f4f4813364946db8bb0a0d2ffa49d4e59947039620f5da
[INFO] running `Command { std: "docker" "start" "-a" "7db5156feda5d8c909f4f4813364946db8bb0a0d2ffa49d4e59947039620f5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db5156feda5d8c909f4f4813364946db8bb0a0d2ffa49d4e59947039620f5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db5156feda5d8c909f4f4813364946db8bb0a0d2ffa49d4e59947039620f5da", kill_on_drop: false }`
[INFO] [stdout] 7db5156feda5d8c909f4f4813364946db8bb0a0d2ffa49d4e59947039620f5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bd33bfb13c5f1a6c0d28bc015ec83b512db7b4dd74092d98ef6367708f365ee
[INFO] running `Command { std: "docker" "start" "-a" "1bd33bfb13c5f1a6c0d28bc015ec83b512db7b4dd74092d98ef6367708f365ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking tabular v0.1.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking cargo-flake v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `Command { std: "docker" "inspect" "1bd33bfb13c5f1a6c0d28bc015ec83b512db7b4dd74092d98ef6367708f365ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd33bfb13c5f1a6c0d28bc015ec83b512db7b4dd74092d98ef6367708f365ee", kill_on_drop: false }`
[INFO] [stdout] 1bd33bfb13c5f1a6c0d28bc015ec83b512db7b4dd74092d98ef6367708f365ee