[INFO] cloning repository https://github.com/Eznopot/A-maze-ing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eznopot/A-maze-ing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEznopot%2FA-maze-ing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEznopot%2FA-maze-ing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f38e0b264a91b765a4632773479188b044f90595
[INFO] checking Eznopot/A-maze-ing against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEznopot%2FA-maze-ing" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eznopot/A-maze-ing 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/Eznopot/A-maze-ing
[INFO] finished tweaking git repo https://github.com/Eznopot/A-maze-ing
[INFO] tweaked toml for git repo https://github.com/Eznopot/A-maze-ing written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Eznopot/A-maze-ing 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5b2c9d23f88a25af3bf3b9d36474cc995e5d79255556e8aa51b0e09fbdb8a292
[INFO] running `Command { std: "docker" "start" "-a" "5b2c9d23f88a25af3bf3b9d36474cc995e5d79255556e8aa51b0e09fbdb8a292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2c9d23f88a25af3bf3b9d36474cc995e5d79255556e8aa51b0e09fbdb8a292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2c9d23f88a25af3bf3b9d36474cc995e5d79255556e8aa51b0e09fbdb8a292", kill_on_drop: false }`
[INFO] [stdout] 5b2c9d23f88a25af3bf3b9d36474cc995e5d79255556e8aa51b0e09fbdb8a292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 661be4c9f68d6856d70640e51581b887c0767c336773fdc75e3d6054c37f363e
[INFO] running `Command { std: "docker" "start" "-a" "661be4c9f68d6856d70640e51581b887c0767c336773fdc75e3d6054c37f363e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking signal-hook v0.3.15
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking a-maze-ing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "661be4c9f68d6856d70640e51581b887c0767c336773fdc75e3d6054c37f363e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661be4c9f68d6856d70640e51581b887c0767c336773fdc75e3d6054c37f363e", kill_on_drop: false }`
[INFO] [stdout] 661be4c9f68d6856d70640e51581b887c0767c336773fdc75e3d6054c37f363e
[INFO] checking Eznopot/A-maze-ing against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEznopot%2FA-maze-ing" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eznopot/A-maze-ing 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/Eznopot/A-maze-ing
[INFO] finished tweaking git repo https://github.com/Eznopot/A-maze-ing
[INFO] tweaked toml for git repo https://github.com/Eznopot/A-maze-ing written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Eznopot/A-maze-ing 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 915a4121b81e00a779dc708bfab5382f6168cc4fc4f5a25576d94c8d57d34b2a
[INFO] running `Command { std: "docker" "start" "-a" "915a4121b81e00a779dc708bfab5382f6168cc4fc4f5a25576d94c8d57d34b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915a4121b81e00a779dc708bfab5382f6168cc4fc4f5a25576d94c8d57d34b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915a4121b81e00a779dc708bfab5382f6168cc4fc4f5a25576d94c8d57d34b2a", kill_on_drop: false }`
[INFO] [stdout] 915a4121b81e00a779dc708bfab5382f6168cc4fc4f5a25576d94c8d57d34b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8a48da985879b633496b9282474e9429b18a4deac517b3ed62bfd3d4c46f8b67
[INFO] running `Command { std: "docker" "start" "-a" "8a48da985879b633496b9282474e9429b18a4deac517b3ed62bfd3d4c46f8b67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook v0.3.15
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking a-maze-ing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "8a48da985879b633496b9282474e9429b18a4deac517b3ed62bfd3d4c46f8b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a48da985879b633496b9282474e9429b18a4deac517b3ed62bfd3d4c46f8b67", kill_on_drop: false }`
[INFO] [stdout] 8a48da985879b633496b9282474e9429b18a4deac517b3ed62bfd3d4c46f8b67