[INFO] cloning repository https://github.com/twigoftilia/advent_of_code_2018_twigoftilia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twigoftilia/advent_of_code_2018_twigoftilia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Fadvent_of_code_2018_twigoftilia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Fadvent_of_code_2018_twigoftilia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7d40b16de4b3e7d7e9d88d28b5bc07aabad25c7
[INFO] checking twigoftilia/advent_of_code_2018_twigoftilia/f7d40b16de4b3e7d7e9d88d28b5bc07aabad25c7 against master#9f32ccf35fb877270bc44a86a126440f04d676d0 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Fadvent_of_code_2018_twigoftilia" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia
[INFO] finished tweaking git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia
[INFO] tweaked toml for git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia on toolchain 9f32ccf35fb877270bc44a86a126440f04d676d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia 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" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.12.0
[INFO] [stderr]   Downloaded strum v0.12.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] [stderr]   Downloaded libc v0.2.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7996ac23b4038174d64c7da25063be9a877ded85b89c2814f706e9ed683f506e
[INFO] running `Command { std: "docker" "start" "-a" "7996ac23b4038174d64c7da25063be9a877ded85b89c2814f706e9ed683f506e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7996ac23b4038174d64c7da25063be9a877ded85b89c2814f706e9ed683f506e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7996ac23b4038174d64c7da25063be9a877ded85b89c2814f706e9ed683f506e", kill_on_drop: false }`
[INFO] [stdout] 7996ac23b4038174d64c7da25063be9a877ded85b89c2814f706e9ed683f506e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79c753a5d48c4a1cac8e28ecc10a0515bdf0026335501a04f70f645192f2887d
[INFO] running `Command { std: "docker" "start" "-a" "79c753a5d48c4a1cac8e28ecc10a0515bdf0026335501a04f70f645192f2887d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking strum v0.12.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling strum_macros v0.12.0
[INFO] [stderr]     Checking advent_of_code_2018_twigoftilia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Error::description(&why)
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Error::description(&why)
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "79c753a5d48c4a1cac8e28ecc10a0515bdf0026335501a04f70f645192f2887d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c753a5d48c4a1cac8e28ecc10a0515bdf0026335501a04f70f645192f2887d", kill_on_drop: false }`
[INFO] [stdout] 79c753a5d48c4a1cac8e28ecc10a0515bdf0026335501a04f70f645192f2887d