[INFO] cloning repository https://github.com/bahelms/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bahelms/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahelms%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahelms%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f561fa8f56e1da56481a8ed32b79e7729a9a46bb
[INFO] checking bahelms/advent_of_code_2020 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahelms%2Fadvent_of_code_2020" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bahelms/advent_of_code_2020 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bahelms/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/bahelms/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/bahelms/advent_of_code_2020 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/bahelms/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa88ce39cec485706a86c1a88c4ae7c4b1dd76bf64f5b2b80fff0e7b8c52003f
[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" "fa88ce39cec485706a86c1a88c4ae7c4b1dd76bf64f5b2b80fff0e7b8c52003f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa88ce39cec485706a86c1a88c4ae7c4b1dd76bf64f5b2b80fff0e7b8c52003f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa88ce39cec485706a86c1a88c4ae7c4b1dd76bf64f5b2b80fff0e7b8c52003f", kill_on_drop: false }`
[INFO] [stdout] fa88ce39cec485706a86c1a88c4ae7c4b1dd76bf64f5b2b80fff0e7b8c52003f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28edf80dbf949f46a65256ff7a27bbaac72e8c28d65bac9d923e67aa7a966cfd
[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" "28edf80dbf949f46a65256ff7a27bbaac72e8c28d65bac9d923e67aa7a966cfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `total_valid_messages`
[INFO] [stdout]    --> src/day19.rs:131:77
[INFO] [stdout]     |
[INFO] [stdout] 131 |     use super::{compile_regex, construct_regex, count_matches, parse_rules, total_valid_messages};
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/day17.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut args = (hyperplane, active_cubes);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/day17.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut args = (hyperplane, active_cubes);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day17.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut args = (hyperplane, active_cubes);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day17.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut args = (hyperplane, active_cubes);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count_active_neighbors`
[INFO] [stdout]   --> src/day17.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn count_active_neighbors(&self, cube: &Cube, active_cubes: &HashSet<Cube>) -> 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: `run_cycle2`
[INFO] [stdout]    --> src/day17.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn run_cycle2(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 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 8.57s
[INFO] running `Command { std: "docker" "inspect" "28edf80dbf949f46a65256ff7a27bbaac72e8c28d65bac9d923e67aa7a966cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28edf80dbf949f46a65256ff7a27bbaac72e8c28d65bac9d923e67aa7a966cfd", kill_on_drop: false }`
[INFO] [stdout] 28edf80dbf949f46a65256ff7a27bbaac72e8c28d65bac9d923e67aa7a966cfd