[INFO] cloning repository https://github.com/avinashiyer/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avinashiyer/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favinashiyer%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favinashiyer%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fed2549a59207a3f241ede6f214669f819ca74b
[INFO] checking avinashiyer/advent_of_code against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favinashiyer%2Fadvent_of_code" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/avinashiyer/advent_of_code
[INFO] finished tweaking git repo https://github.com/avinashiyer/advent_of_code
[INFO] tweaked toml for git repo https://github.com/avinashiyer/advent_of_code written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/avinashiyer/advent_of_code on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/avinashiyer/advent_of_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d13e53b947218c8d6c54c3fa05b8b885a4048cbeba8491a195a9bbfd5d02f2f
[INFO] running `Command { std: "docker" "start" "-a" "6d13e53b947218c8d6c54c3fa05b8b885a4048cbeba8491a195a9bbfd5d02f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d13e53b947218c8d6c54c3fa05b8b885a4048cbeba8491a195a9bbfd5d02f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d13e53b947218c8d6c54c3fa05b8b885a4048cbeba8491a195a9bbfd5d02f2f", kill_on_drop: false }`
[INFO] [stdout] 6d13e53b947218c8d6c54c3fa05b8b885a4048cbeba8491a195a9bbfd5d02f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb8b1eb8f2ed544057ac2da87b01442d972032c389b2553902dda51227e7b2b
[INFO] running `Command { std: "docker" "start" "-a" "4bb8b1eb8f2ed544057ac2da87b01442d972032c389b2553902dda51227e7b2b", kill_on_drop: false }`
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/_2015/day_5.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (pos,win) in tgt.as_bytes().windows(2).enumerate() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/_2015/day_5.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (pos,win) in tgt.as_bytes().windows(2).enumerate() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mine_santacoin` is never used
[INFO] [stdout]  --> src/_2015/day_4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mine_santacoin() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mine_santacoin` is never used
[INFO] [stdout]  --> src/_2015/day_4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mine_santacoin() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naughty_strings_v1` is never used
[INFO] [stdout]   --> src/_2015/day_5.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn naughty_strings_v1(src: Vec<&str>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naughty_strings_v1` is never used
[INFO] [stdout]   --> src/_2015/day_5.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn naughty_strings_v1(src: Vec<&str>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vowel` is never used
[INFO] [stdout]   --> src/_2015/day_5.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn is_vowel(ch: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vowel` is never used
[INFO] [stdout]   --> src/_2015/day_5.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn is_vowel(ch: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_bad_needle` is never used
[INFO] [stdout]   --> src/_2015/day_5.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn is_bad_needle(couplet: &[u8]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_bad_needle` is never used
[INFO] [stdout]   --> src/_2015/day_5.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn is_bad_needle(couplet: &[u8]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "4bb8b1eb8f2ed544057ac2da87b01442d972032c389b2553902dda51227e7b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb8b1eb8f2ed544057ac2da87b01442d972032c389b2553902dda51227e7b2b", kill_on_drop: false }`
[INFO] [stdout] 4bb8b1eb8f2ed544057ac2da87b01442d972032c389b2553902dda51227e7b2b