[INFO] cloning repository https://github.com/kylewillmon/advent-of-code-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kylewillmon/advent-of-code-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewillmon%2Fadvent-of-code-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewillmon%2Fadvent-of-code-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30512fb13b85361ec555f92d6064b385f102e55b
[INFO] checking kylewillmon/advent-of-code-rs against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewillmon%2Fadvent-of-code-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kylewillmon/advent-of-code-rs 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/kylewillmon/advent-of-code-rs
[INFO] finished tweaking git repo https://github.com/kylewillmon/advent-of-code-rs
[INFO] tweaked toml for git repo https://github.com/kylewillmon/advent-of-code-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kylewillmon/advent-of-code-rs 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] d54bb83f70dfa42dc094fecfa39fa8d68d5b81ac1e47baa7ec7f9811273dfb77
[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" "d54bb83f70dfa42dc094fecfa39fa8d68d5b81ac1e47baa7ec7f9811273dfb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d54bb83f70dfa42dc094fecfa39fa8d68d5b81ac1e47baa7ec7f9811273dfb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54bb83f70dfa42dc094fecfa39fa8d68d5b81ac1e47baa7ec7f9811273dfb77", kill_on_drop: false }`
[INFO] [stdout] d54bb83f70dfa42dc094fecfa39fa8d68d5b81ac1e47baa7ec7f9811273dfb77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 8a0d2747a31e242cad05fc30620335cfeeb817a9bf5d4c53934862b9a122008e
[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" "8a0d2747a31e242cad05fc30620335cfeeb817a9bf5d4c53934862b9a122008e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aoclib v0.1.0 (/opt/rustwide/workdir/aoclib)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir/aoc2019)
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir/aoc2020)
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> aoc2020/src/day20.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     position: Position,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> aoc2020/src/day20.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     position: Position,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.28s
[INFO] running `Command { std: "docker" "inspect" "8a0d2747a31e242cad05fc30620335cfeeb817a9bf5d4c53934862b9a122008e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0d2747a31e242cad05fc30620335cfeeb817a9bf5d4c53934862b9a122008e", kill_on_drop: false }`
[INFO] [stdout] 8a0d2747a31e242cad05fc30620335cfeeb817a9bf5d4c53934862b9a122008e