[INFO] cloning repository https://github.com/fireyang/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/fireyang/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffireyang%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffireyang%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29649b7e9bb97e4ad0d1cb0b63f36ac15a549c59
[INFO] checking fireyang/advent_of_code_2020 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffireyang%2Fadvent_of_code_2020" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fireyang/advent_of_code_2020 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fireyang/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/fireyang/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/fireyang/advent_of_code_2020 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fireyang/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c59a108e952bb89090ade62693251857495ec8548c809c6754cec66a2442a408
[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" "c59a108e952bb89090ade62693251857495ec8548c809c6754cec66a2442a408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c59a108e952bb89090ade62693251857495ec8548c809c6754cec66a2442a408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59a108e952bb89090ade62693251857495ec8548c809c6754cec66a2442a408", kill_on_drop: false }`
[INFO] [stdout] c59a108e952bb89090ade62693251857495ec8548c809c6754cec66a2442a408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4448f60bc6eb33e18ef2ce742aa6c95b51a49f612b94ac6b924012475d4d3377
[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" "4448f60bc6eb33e18ef2ce742aa6c95b51a49f612b94ac6b924012475d4d3377", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::common`
[INFO] [stdout]   --> src/day15.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use crate::common;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ddd` is assigned to, but never used
[INFO] [stdout]   --> src/day13.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut ddd = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_ddd` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ddd` is assigned to, but never used
[INFO] [stdout]   --> src/day13.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut ddd = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_ddd` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_step`
[INFO] [stdout]    --> src/day13.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn get_step(m: i64, n: i64, offset: i64) -> (i64, i64) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_step`
[INFO] [stdout]    --> src/day13.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn get_step(m: i64, n: i64, offset: i64) -> (i64, i64) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "4448f60bc6eb33e18ef2ce742aa6c95b51a49f612b94ac6b924012475d4d3377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4448f60bc6eb33e18ef2ce742aa6c95b51a49f612b94ac6b924012475d4d3377", kill_on_drop: false }`
[INFO] [stdout] 4448f60bc6eb33e18ef2ce742aa6c95b51a49f612b94ac6b924012475d4d3377