[INFO] cloning repository https://github.com/LesnyRumcajs/advent_of_rust_2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LesnyRumcajs/advent_of_rust_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLesnyRumcajs%2Fadvent_of_rust_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLesnyRumcajs%2Fadvent_of_rust_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f00e14c8403366032443b6c429cfe4042bb0ec35
[INFO] checking LesnyRumcajs/advent_of_rust_2017 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLesnyRumcajs%2Fadvent_of_rust_2017" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LesnyRumcajs/advent_of_rust_2017 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/LesnyRumcajs/advent_of_rust_2017
[INFO] finished tweaking git repo https://github.com/LesnyRumcajs/advent_of_rust_2017
[INFO] tweaked toml for git repo https://github.com/LesnyRumcajs/advent_of_rust_2017 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LesnyRumcajs/advent_of_rust_2017 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 anyrange v0.1.0
[INFO] [stderr]   Downloaded multiarray v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 846f4b4655c9430743ed3a6e1fa0bb67b123168aa4372b1bf4b84ce64694759a
[INFO] running `Command { std: "docker" "start" "-a" "846f4b4655c9430743ed3a6e1fa0bb67b123168aa4372b1bf4b84ce64694759a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846f4b4655c9430743ed3a6e1fa0bb67b123168aa4372b1bf4b84ce64694759a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846f4b4655c9430743ed3a6e1fa0bb67b123168aa4372b1bf4b84ce64694759a", kill_on_drop: false }`
[INFO] [stdout] 846f4b4655c9430743ed3a6e1fa0bb67b123168aa4372b1bf4b84ce64694759a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 38031a696673ff6503890ae082e929f3676a5aec1de9b17654d02ecd750eb9c9
[INFO] running `Command { std: "docker" "start" "-a" "38031a696673ff6503890ae082e929f3676a5aec1de9b17654d02ecd750eb9c9", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking anyrange v0.1.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking multiarray v0.1.3
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking advent_of_rust_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "38031a696673ff6503890ae082e929f3676a5aec1de9b17654d02ecd750eb9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38031a696673ff6503890ae082e929f3676a5aec1de9b17654d02ecd750eb9c9", kill_on_drop: false }`
[INFO] [stdout] 38031a696673ff6503890ae082e929f3676a5aec1de9b17654d02ecd750eb9c9
[INFO] checking LesnyRumcajs/advent_of_rust_2017 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLesnyRumcajs%2Fadvent_of_rust_2017" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LesnyRumcajs/advent_of_rust_2017 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/LesnyRumcajs/advent_of_rust_2017
[INFO] finished tweaking git repo https://github.com/LesnyRumcajs/advent_of_rust_2017
[INFO] tweaked toml for git repo https://github.com/LesnyRumcajs/advent_of_rust_2017 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LesnyRumcajs/advent_of_rust_2017 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] aa8b0ab946f6cd714374c0a384c84f723a78c8c9c1b04b2f52c74c07d3286fe7
[INFO] running `Command { std: "docker" "start" "-a" "aa8b0ab946f6cd714374c0a384c84f723a78c8c9c1b04b2f52c74c07d3286fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa8b0ab946f6cd714374c0a384c84f723a78c8c9c1b04b2f52c74c07d3286fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8b0ab946f6cd714374c0a384c84f723a78c8c9c1b04b2f52c74c07d3286fe7", kill_on_drop: false }`
[INFO] [stdout] aa8b0ab946f6cd714374c0a384c84f723a78c8c9c1b04b2f52c74c07d3286fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4912bfa98e5ab0d2a32753dacb33e00b137867148cb783d5468b88821db18187
[INFO] running `Command { std: "docker" "start" "-a" "4912bfa98e5ab0d2a32753dacb33e00b137867148cb783d5468b88821db18187", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking anyrange v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking multiarray v0.1.3
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking advent_of_rust_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "4912bfa98e5ab0d2a32753dacb33e00b137867148cb783d5468b88821db18187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4912bfa98e5ab0d2a32753dacb33e00b137867148cb783d5468b88821db18187", kill_on_drop: false }`
[INFO] [stdout] 4912bfa98e5ab0d2a32753dacb33e00b137867148cb783d5468b88821db18187