[INFO] cloning repository https://github.com/Xannden/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xannden/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXannden%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXannden%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b04ec3780b5b40c782f1c506914ec9da4a6c250
[INFO] checking Xannden/aoc2020 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXannden%2Faoc2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xannden/aoc2020 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xannden/aoc2020
[INFO] finished tweaking git repo https://github.com/Xannden/aoc2020
[INFO] tweaked toml for git repo https://github.com/Xannden/aoc2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Xannden/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e844e3a3071e66b5aaefff1ffca90609740e207066df909f24119412013b20a5
[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" "e844e3a3071e66b5aaefff1ffca90609740e207066df909f24119412013b20a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e844e3a3071e66b5aaefff1ffca90609740e207066df909f24119412013b20a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e844e3a3071e66b5aaefff1ffca90609740e207066df909f24119412013b20a5", kill_on_drop: false }`
[INFO] [stdout] e844e3a3071e66b5aaefff1ffca90609740e207066df909f24119412013b20a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 801c87f9ab110d82c5557171330eea0ed24014a5779f36ad378cd522f23ccbb1
[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" "801c87f9ab110d82c5557171330eea0ed24014a5779f36ad378cd522f23ccbb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling parse-display-derive v0.4.0
[INFO] [stderr]     Checking parse-display v0.4.0
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `VecDeque`, `iter::FromIterator`
[INFO] [stdout]  --> src/days/day22.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashSet, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/days/day23.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, fs::File, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/days/day24.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VecDeque`, `iter::FromIterator`
[INFO] [stdout]  --> src/days/day22.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashSet, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/days/day23.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, fs::File, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/days/day24.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.77s
[INFO] running `Command { std: "docker" "inspect" "801c87f9ab110d82c5557171330eea0ed24014a5779f36ad378cd522f23ccbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801c87f9ab110d82c5557171330eea0ed24014a5779f36ad378cd522f23ccbb1", kill_on_drop: false }`
[INFO] [stdout] 801c87f9ab110d82c5557171330eea0ed24014a5779f36ad378cd522f23ccbb1