[INFO] cloning repository https://github.com/akofke/adventofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akofke/adventofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakofke%2Fadventofcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakofke%2Fadventofcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eba11b723183821d31d31004c385b0788616da4a
[INFO] checking akofke/adventofcode against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakofke%2Fadventofcode" "/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/akofke/adventofcode 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/akofke/adventofcode
[INFO] finished tweaking git repo https://github.com/akofke/adventofcode
[INFO] tweaked toml for git repo https://github.com/akofke/adventofcode written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/akofke/adventofcode 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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 173a25ce035e0da67e04d96364f4978c362769290164311bf6d2d84119fa7860
[INFO] running `Command { std: "docker" "start" "-a" "173a25ce035e0da67e04d96364f4978c362769290164311bf6d2d84119fa7860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "173a25ce035e0da67e04d96364f4978c362769290164311bf6d2d84119fa7860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173a25ce035e0da67e04d96364f4978c362769290164311bf6d2d84119fa7860", kill_on_drop: false }`
[INFO] [stdout] 173a25ce035e0da67e04d96364f4978c362769290164311bf6d2d84119fa7860
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d0df45663f97a81868527746ee0aaa01d43eb04b994828d0c0ef1bff756786
[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" "b8d0df45663f97a81868527746ee0aaa01d43eb04b994828d0c0ef1bff756786", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling parse-display-derive v0.4.0
[INFO] [stderr]     Checking parse-display v0.4.0
[INFO] [stderr]     Checking adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/day7.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     while let Some(n) = dfs.next(reversed) {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/day7.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     while let Some(n) = dfs.next(reversed) {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day1.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run() -> anyhow::Result<()> {
[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`
[INFO] [stdout]   --> src/day2.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn run() -> anyhow::Result<()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stride_for_slope`
[INFO] [stdout]   --> src/day3.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn stride_for_slope(cols: usize, right: usize, down: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day3.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn run() -> anyhow::Result<()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_fill` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_fill)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day1.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run() -> anyhow::Result<()> {
[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`
[INFO] [stdout]   --> src/day2.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn run() -> anyhow::Result<()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stride_for_slope`
[INFO] [stdout]   --> src/day3.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn stride_for_slope(cols: usize, right: usize, down: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day3.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn run() -> anyhow::Result<()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_fill` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_fill)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "b8d0df45663f97a81868527746ee0aaa01d43eb04b994828d0c0ef1bff756786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d0df45663f97a81868527746ee0aaa01d43eb04b994828d0c0ef1bff756786", kill_on_drop: false }`
[INFO] [stdout] b8d0df45663f97a81868527746ee0aaa01d43eb04b994828d0c0ef1bff756786