[INFO] cloning repository https://github.com/Dfoerch/Advent-of-Code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dfoerch/Advent-of-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDfoerch%2FAdvent-of-Code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDfoerch%2FAdvent-of-Code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79c4e5df6704ce41fbb115840ef795f5048339d2
[INFO] checking Dfoerch/Advent-of-Code against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDfoerch%2FAdvent-of-Code" "/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/Dfoerch/Advent-of-Code on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dfoerch/Advent-of-Code
[INFO] finished tweaking git repo https://github.com/Dfoerch/Advent-of-Code
[INFO] tweaked toml for git repo https://github.com/Dfoerch/Advent-of-Code written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Dfoerch/Advent-of-Code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc1e2cdb2b4b40227829cf5be2b25c8da28dce7610a146d2bd2d6acd6c3751eb
[INFO] running `Command { std: "docker" "start" "-a" "cc1e2cdb2b4b40227829cf5be2b25c8da28dce7610a146d2bd2d6acd6c3751eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1e2cdb2b4b40227829cf5be2b25c8da28dce7610a146d2bd2d6acd6c3751eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1e2cdb2b4b40227829cf5be2b25c8da28dce7610a146d2bd2d6acd6c3751eb", kill_on_drop: false }`
[INFO] [stdout] cc1e2cdb2b4b40227829cf5be2b25c8da28dce7610a146d2bd2d6acd6c3751eb
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bf35e5fcc7b0f1b800adc014ad06642c78cf97fb57547e533df43cccc5e8bbb
[INFO] running `Command { std: "docker" "start" "-a" "0bf35e5fcc7b0f1b800adc014ad06642c78cf97fb57547e533df43cccc5e8bbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/part1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part1(xs: &[i32]) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]  --> src/part2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part2(xs: &[i32]) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/part1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part1(xs: &[i32]) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]  --> src/part2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part2(xs: &[i32]) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "0bf35e5fcc7b0f1b800adc014ad06642c78cf97fb57547e533df43cccc5e8bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf35e5fcc7b0f1b800adc014ad06642c78cf97fb57547e533df43cccc5e8bbb", kill_on_drop: false }`
[INFO] [stdout] 0bf35e5fcc7b0f1b800adc014ad06642c78cf97fb57547e533df43cccc5e8bbb