[INFO] cloning repository https://github.com/thatmarkenglishguy/advent_of_code_2020_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thatmarkenglishguy/advent_of_code_2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatmarkenglishguy%2Fadvent_of_code_2020_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatmarkenglishguy%2Fadvent_of_code_2020_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 097a7eb6746a6d34af8d1aaf41327ecd7551896f
[INFO] checking thatmarkenglishguy/advent_of_code_2020_rust against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatmarkenglishguy%2Fadvent_of_code_2020_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thatmarkenglishguy/advent_of_code_2020_rust on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thatmarkenglishguy/advent_of_code_2020_rust
[INFO] finished tweaking git repo https://github.com/thatmarkenglishguy/advent_of_code_2020_rust
[INFO] tweaked toml for git repo https://github.com/thatmarkenglishguy/advent_of_code_2020_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/thatmarkenglishguy/advent_of_code_2020_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.36
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] [stderr]   Downloaded compare v0.1.0
[INFO] [stderr]   Downloaded parameterized-macro v0.3.0
[INFO] [stderr]   Downloaded parameterized v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7556a813eeb572c05d8c3dbb2b7a8a07797abbd70a71948aeb7d15a7e8b8ba8
[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" "f7556a813eeb572c05d8c3dbb2b7a8a07797abbd70a71948aeb7d15a7e8b8ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7556a813eeb572c05d8c3dbb2b7a8a07797abbd70a71948aeb7d15a7e8b8ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7556a813eeb572c05d8c3dbb2b7a8a07797abbd70a71948aeb7d15a7e8b8ba8", kill_on_drop: false }`
[INFO] [stdout] f7556a813eeb572c05d8c3dbb2b7a8a07797abbd70a71948aeb7d15a7e8b8ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95227a396971e4263b9cbb3e2b32bdf1d79ea483c22c6c77a9a056277f46f4c8
[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" "95227a396971e4263b9cbb3e2b32bdf1d79ea483c22c6c77a9a056277f46f4c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking compare v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling parameterized-macro v0.3.0
[INFO] [stderr]     Checking parameterized v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking advent-of-code-2020-day-01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.80s
[INFO] running `Command { std: "docker" "inspect" "95227a396971e4263b9cbb3e2b32bdf1d79ea483c22c6c77a9a056277f46f4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95227a396971e4263b9cbb3e2b32bdf1d79ea483c22c6c77a9a056277f46f4c8", kill_on_drop: false }`
[INFO] [stdout] 95227a396971e4263b9cbb3e2b32bdf1d79ea483c22c6c77a9a056277f46f4c8