[INFO] cloning repository https://github.com/MarcusTL12/AdventOfCode2015Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcusTL12/AdventOfCode2015Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusTL12%2FAdventOfCode2015Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusTL12%2FAdventOfCode2015Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5db9d1fa7e15512a07c13943afabb988eda6468e
[INFO] checking MarcusTL12/AdventOfCode2015Rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusTL12%2FAdventOfCode2015Rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcusTL12/AdventOfCode2015Rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcusTL12/AdventOfCode2015Rust
[INFO] finished tweaking git repo https://github.com/MarcusTL12/AdventOfCode2015Rust
[INFO] tweaked toml for git repo https://github.com/MarcusTL12/AdventOfCode2015Rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcusTL12/AdventOfCode2015Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mod_exp v1.0.1
[INFO] [stderr]   Downloaded divisors v0.2.1
[INFO] [stderr]   Downloaded priority-queue v0.7.0
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] [stderr]   Downloaded serde_json v1.0.49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 965f25c004f8a9b202e86219ce34fd47fcc98d193a0fdac7a756213464320fc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "965f25c004f8a9b202e86219ce34fd47fcc98d193a0fdac7a756213464320fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965f25c004f8a9b202e86219ce34fd47fcc98d193a0fdac7a756213464320fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965f25c004f8a9b202e86219ce34fd47fcc98d193a0fdac7a756213464320fc4", kill_on_drop: false }`
[INFO] [stdout] 965f25c004f8a9b202e86219ce34fd47fcc98d193a0fdac7a756213464320fc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b77874aeac80d3c46b54ddb7406eea8f298452c03e3613267774d15ba91cedf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b77874aeac80d3c46b54ddb7406eea8f298452c03e3613267774d15ba91cedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking priority-queue v0.7.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking divisors v0.2.1
[INFO] [stderr]     Checking mod_exp v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.49
[INFO] [stderr]     Checking adventofcode2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.55s
[INFO] running `Command { std: "docker" "inspect" "0b77874aeac80d3c46b54ddb7406eea8f298452c03e3613267774d15ba91cedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b77874aeac80d3c46b54ddb7406eea8f298452c03e3613267774d15ba91cedf", kill_on_drop: false }`
[INFO] [stdout] 0b77874aeac80d3c46b54ddb7406eea8f298452c03e3613267774d15ba91cedf