[INFO] cloning repository https://github.com/janglada/advent-of-code2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janglada/advent-of-code2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanglada%2Fadvent-of-code2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanglada%2Fadvent-of-code2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b02a89ad5ddbca01fef45781d0de8e8ef4a203d1
[INFO] checking janglada/advent-of-code2020 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanglada%2Fadvent-of-code2020" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/janglada/advent-of-code2020 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/janglada/advent-of-code2020
[INFO] finished tweaking git repo https://github.com/janglada/advent-of-code2020
[INFO] tweaked toml for git repo https://github.com/janglada/advent-of-code2020 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/janglada/advent-of-code2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grid v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f28abc37938ebd47a1bf87465e02259fdc33030854d2c1be6cf00894ff4f3396
[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" "f28abc37938ebd47a1bf87465e02259fdc33030854d2c1be6cf00894ff4f3396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28abc37938ebd47a1bf87465e02259fdc33030854d2c1be6cf00894ff4f3396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28abc37938ebd47a1bf87465e02259fdc33030854d2c1be6cf00894ff4f3396", kill_on_drop: false }`
[INFO] [stdout] f28abc37938ebd47a1bf87465e02259fdc33030854d2c1be6cf00894ff4f3396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1940a1a0375a87c8ac8ba73ac61fdac13a9d4b6813cf85d8878696ac9fd4ce30
[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" "1940a1a0375a87c8ac8ba73ac61fdac13a9d4b6813cf85d8878696ac9fd4ce30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking grid v0.2.3
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking advent_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::__std_iter::Peekable`
[INFO] [stdout]  --> src/day19.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::__std_iter::Peekable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Itertools`, `MultiPeek`
[INFO] [stdout]  --> src/day19.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::{Itertools, MultiPeek};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/day19.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/day19.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::__std_iter::Peekable`
[INFO] [stdout]  --> src/day19.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::__std_iter::Peekable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Itertools`, `MultiPeek`
[INFO] [stdout]  --> src/day19.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::{Itertools, MultiPeek};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/day19.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/day19.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current`
[INFO] [stdout]   --> src/day19.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn current(&mut self) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/day19.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance`
[INFO] [stdout]   --> src/day19.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/day19.rs:268:31
[INFO] [stdout]     |
[INFO] [stdout] 268 |             MsgRule::Compound(c) => {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/day19.rs:283:31
[INFO] [stdout]     |
[INFO] [stdout] 283 |             MsgRule::Compound(c) => {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day19.rs:244:21
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 let mut cond1 = compound.next();
[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/day19.rs:250:21
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let mut cond1 = compound.next();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current`
[INFO] [stdout]   --> src/day19.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn current(&mut self) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/day19.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance`
[INFO] [stdout]   --> src/day19.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.53s
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1940a1a0375a87c8ac8ba73ac61fdac13a9d4b6813cf85d8878696ac9fd4ce30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1940a1a0375a87c8ac8ba73ac61fdac13a9d4b6813cf85d8878696ac9fd4ce30", kill_on_drop: false }`
[INFO] [stdout] 1940a1a0375a87c8ac8ba73ac61fdac13a9d4b6813cf85d8878696ac9fd4ce30