[INFO] cloning repository https://github.com/shorrockin/adventofcode2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shorrockin/adventofcode2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorrockin%2Fadventofcode2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorrockin%2Fadventofcode2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19255f015e3553449028e6e1e99df0479662db0f
[INFO] checking shorrockin/adventofcode2015 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorrockin%2Fadventofcode2015" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shorrockin/adventofcode2015 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/shorrockin/adventofcode2015
[INFO] finished tweaking git repo https://github.com/shorrockin/adventofcode2015
[INFO] tweaked toml for git repo https://github.com/shorrockin/adventofcode2015 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shorrockin/adventofcode2015 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4cd977fb89c59133d64931dd8fa301937f3fcdc4fd2fa032c410bb6728c4f999
[INFO] running `Command { std: "docker" "start" "-a" "4cd977fb89c59133d64931dd8fa301937f3fcdc4fd2fa032c410bb6728c4f999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd977fb89c59133d64931dd8fa301937f3fcdc4fd2fa032c410bb6728c4f999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd977fb89c59133d64931dd8fa301937f3fcdc4fd2fa032c410bb6728c4f999", kill_on_drop: false }`
[INFO] [stdout] 4cd977fb89c59133d64931dd8fa301937f3fcdc4fd2fa032c410bb6728c4f999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba90d0809d68c738c145ef36d1b2e10c8d36f8ee4e34756e185f90fc94cc420d
[INFO] running `Command { std: "docker" "start" "-a" "ba90d0809d68c738c145ef36d1b2e10c8d36f8ee4e34756e185f90fc94cc420d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking flat v0.1.0 (/opt/rustwide/workdir/utils/flat)
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking debug v0.1.0 (/opt/rustwide/workdir/utils/debug)
[INFO] [stderr]     Checking math v0.1.0 (/opt/rustwide/workdir/utils/math)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking strings v0.1.0 (/opt/rustwide/workdir/utils/strings)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "ba90d0809d68c738c145ef36d1b2e10c8d36f8ee4e34756e185f90fc94cc420d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba90d0809d68c738c145ef36d1b2e10c8d36f8ee4e34756e185f90fc94cc420d", kill_on_drop: false }`
[INFO] [stdout] ba90d0809d68c738c145ef36d1b2e10c8d36f8ee4e34756e185f90fc94cc420d
[INFO] checking shorrockin/adventofcode2015 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorrockin%2Fadventofcode2015" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shorrockin/adventofcode2015 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/shorrockin/adventofcode2015
[INFO] finished tweaking git repo https://github.com/shorrockin/adventofcode2015
[INFO] tweaked toml for git repo https://github.com/shorrockin/adventofcode2015 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shorrockin/adventofcode2015 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 42dc8b9e94b8e8af9e31933462f1a2aa1df5c59c965f29f50ae0f57dee05586a
[INFO] running `Command { std: "docker" "start" "-a" "42dc8b9e94b8e8af9e31933462f1a2aa1df5c59c965f29f50ae0f57dee05586a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42dc8b9e94b8e8af9e31933462f1a2aa1df5c59c965f29f50ae0f57dee05586a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42dc8b9e94b8e8af9e31933462f1a2aa1df5c59c965f29f50ae0f57dee05586a", kill_on_drop: false }`
[INFO] [stdout] 42dc8b9e94b8e8af9e31933462f1a2aa1df5c59c965f29f50ae0f57dee05586a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3d6759652d32a6477d79e640ec82155b1408d1e8fae6e7cd6317dcf2f8b71a7d
[INFO] running `Command { std: "docker" "start" "-a" "3d6759652d32a6477d79e640ec82155b1408d1e8fae6e7cd6317dcf2f8b71a7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking debug v0.1.0 (/opt/rustwide/workdir/utils/debug)
[INFO] [stderr]     Checking flat v0.1.0 (/opt/rustwide/workdir/utils/flat)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking math v0.1.0 (/opt/rustwide/workdir/utils/math)
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking strings v0.1.0 (/opt/rustwide/workdir/utils/strings)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `Command { std: "docker" "inspect" "3d6759652d32a6477d79e640ec82155b1408d1e8fae6e7cd6317dcf2f8b71a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6759652d32a6477d79e640ec82155b1408d1e8fae6e7cd6317dcf2f8b71a7d", kill_on_drop: false }`
[INFO] [stdout] 3d6759652d32a6477d79e640ec82155b1408d1e8fae6e7cd6317dcf2f8b71a7d