[INFO] cloning repository https://github.com/chrlen/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrlen/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrlen%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrlen%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d3a8f846c56b9867683cd150a45d73db2b843ba
[INFO] checking chrlen/aoc2020 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrlen%2Faoc2020" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrlen/aoc2020 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrlen/aoc2020
[INFO] finished tweaking git repo https://github.com/chrlen/aoc2020
[INFO] tweaked toml for git repo https://github.com/chrlen/aoc2020 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/chrlen/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 106cacdc141ceca1e7ed966f6c8dfebab1f954410def8e048961e1861aaa1f1b
[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" "106cacdc141ceca1e7ed966f6c8dfebab1f954410def8e048961e1861aaa1f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "106cacdc141ceca1e7ed966f6c8dfebab1f954410def8e048961e1861aaa1f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106cacdc141ceca1e7ed966f6c8dfebab1f954410def8e048961e1861aaa1f1b", kill_on_drop: false }`
[INFO] [stdout] 106cacdc141ceca1e7ed966f6c8dfebab1f954410def8e048961e1861aaa1f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bcea548a596516032c5ca0442c1bccfed3aa17052cd4f6efebcd42f88c23ae4
[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" "1bcea548a596516032c5ca0442c1bccfed3aa17052cd4f6efebcd42f88c23ae4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]  --> src/utils.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn test(){
[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: function is never used: `test`
[INFO] [stdout]  --> src/utils.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn test(){
[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: unused import: `utils::*`
[INFO] [stdout]  --> src/12_1.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]   --> src/12_1.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn boards_equal(b1: Vec<Vec<String>>, b2: Vec<Vec<String>>) -> bool {
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]   --> src/12_1.rs:15:39
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn boards_equal(b1: Vec<Vec<String>>, b2: Vec<Vec<String>>) -> bool {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_max`
[INFO] [stdout]   --> src/12_1.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let x_max = res.len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_max`
[INFO] [stdout]   --> src/12_1.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let y_max = res[0].len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `now` is never read
[INFO] [stdout]   --> src/12_1.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut now = lines.clone();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::*`
[INFO] [stdout]  --> src/12_1.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/12_1.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut res = b.clone();
[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: unused variable: `b1`
[INFO] [stdout]   --> src/12_1.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn boards_equal(b1: Vec<Vec<String>>, b2: Vec<Vec<String>>) -> bool {
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]   --> src/12_1.rs:15:39
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn boards_equal(b1: Vec<Vec<String>>, b2: Vec<Vec<String>>) -> bool {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_max`
[INFO] [stdout]   --> src/12_1.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let x_max = res.len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_max`
[INFO] [stdout]   --> src/12_1.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let y_max = res[0].len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `now` is never read
[INFO] [stdout]   --> src/12_1.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut now = lines.clone();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/12_1.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut res = b.clone();
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.40s
[INFO] running `Command { std: "docker" "inspect" "1bcea548a596516032c5ca0442c1bccfed3aa17052cd4f6efebcd42f88c23ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bcea548a596516032c5ca0442c1bccfed3aa17052cd4f6efebcd42f88c23ae4", kill_on_drop: false }`
[INFO] [stdout] 1bcea548a596516032c5ca0442c1bccfed3aa17052cd4f6efebcd42f88c23ae4