[INFO] cloning repository https://github.com/arturchichorro/chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arturchichorro/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturchichorro%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturchichorro%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4abb6aec810159cd7479b31486062e6a236c3abf
[INFO] checking arturchichorro/chess-engine against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturchichorro%2Fchess-engine" "/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/arturchichorro/chess-engine 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/arturchichorro/chess-engine
[INFO] finished tweaking git repo https://github.com/arturchichorro/chess-engine
[INFO] tweaked toml for git repo https://github.com/arturchichorro/chess-engine written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arturchichorro/chess-engine 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 fen v0.1.0
[INFO] [stderr]   Downloaded derive_utils v0.14.1
[INFO] [stderr]   Downloaded auto_enums v0.8.5
[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] 72a9ad6ca371ca04e9a1435dd4731b49fc023edad526b7aeb0a288704794fbd7
[INFO] running `Command { std: "docker" "start" "-a" "72a9ad6ca371ca04e9a1435dd4731b49fc023edad526b7aeb0a288704794fbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a9ad6ca371ca04e9a1435dd4731b49fc023edad526b7aeb0a288704794fbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a9ad6ca371ca04e9a1435dd4731b49fc023edad526b7aeb0a288704794fbd7", kill_on_drop: false }`
[INFO] [stdout] 72a9ad6ca371ca04e9a1435dd4731b49fc023edad526b7aeb0a288704794fbd7
[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] 6bcaaa994f6fd793d67bf19c77220bb24b69d62ca99e6f6394fdf35c6e9bae96
[INFO] running `Command { std: "docker" "start" "-a" "6bcaaa994f6fd793d67bf19c77220bb24b69d62ca99e6f6394fdf35c6e9bae96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking fen v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking ordered-float v4.2.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling derive_utils v0.14.1
[INFO] [stderr]    Compiling auto_enums v0.8.5
[INFO] [stderr]     Checking chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `Command { std: "docker" "inspect" "6bcaaa994f6fd793d67bf19c77220bb24b69d62ca99e6f6394fdf35c6e9bae96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcaaa994f6fd793d67bf19c77220bb24b69d62ca99e6f6394fdf35c6e9bae96", kill_on_drop: false }`
[INFO] [stdout] 6bcaaa994f6fd793d67bf19c77220bb24b69d62ca99e6f6394fdf35c6e9bae96
[INFO] checking arturchichorro/chess-engine against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturchichorro%2Fchess-engine" "/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/arturchichorro/chess-engine 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/arturchichorro/chess-engine
[INFO] finished tweaking git repo https://github.com/arturchichorro/chess-engine
[INFO] tweaked toml for git repo https://github.com/arturchichorro/chess-engine written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arturchichorro/chess-engine 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] b17cd842eae2c34a0a2438cff9970582c2a6269d7a957b055cce5aa418ae93e6
[INFO] running `Command { std: "docker" "start" "-a" "b17cd842eae2c34a0a2438cff9970582c2a6269d7a957b055cce5aa418ae93e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b17cd842eae2c34a0a2438cff9970582c2a6269d7a957b055cce5aa418ae93e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17cd842eae2c34a0a2438cff9970582c2a6269d7a957b055cce5aa418ae93e6", kill_on_drop: false }`
[INFO] [stdout] b17cd842eae2c34a0a2438cff9970582c2a6269d7a957b055cce5aa418ae93e6
[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] ee43d12b95c6d28bbf37e330865f6df982450fc33c43353f600adf9929b3185b
[INFO] running `Command { std: "docker" "start" "-a" "ee43d12b95c6d28bbf37e330865f6df982450fc33c43353f600adf9929b3185b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking fen v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking ordered-float v4.2.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling derive_utils v0.14.1
[INFO] [stderr]    Compiling auto_enums v0.8.5
[INFO] [stderr]     Checking chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "ee43d12b95c6d28bbf37e330865f6df982450fc33c43353f600adf9929b3185b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee43d12b95c6d28bbf37e330865f6df982450fc33c43353f600adf9929b3185b", kill_on_drop: false }`
[INFO] [stdout] ee43d12b95c6d28bbf37e330865f6df982450fc33c43353f600adf9929b3185b