Dec 18 03:31:43.125 INFO checking banditpig/AoC_2015_Rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:31:43.125 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/banditpig/AoC_2015_Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:31:43.472 INFO [stdout] c613a92eb5c7f7d6412149c4238d225ab68553d67e143c9e892e8de6db016d79
Dec 18 03:31:43.478 INFO running `"docker" "start" "-a" "c613a92eb5c7f7d6412149c4238d225ab68553d67e143c9e892e8de6db016d79"`
Dec 18 03:31:44.784 INFO [stderr]     Checking rust v0.1.0 (/opt/crater/workdir)
Dec 18 03:31:45.232 INFO [stderr] warning: unused import: `std::thread`
Dec 18 03:31:45.232 INFO [stderr]  --> src/main.rs:2:5
Dec 18 03:31:45.232 INFO [stderr]   |
Dec 18 03:31:45.232 INFO [stderr] 2 | use std::thread;
Dec 18 03:31:45.232 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 03:31:45.232 INFO [stderr]   |
Dec 18 03:31:45.232 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 03:31:45.232 INFO [stderr] 
Dec 18 03:31:45.332 INFO [stderr] warning: unused import: `std::thread`
Dec 18 03:31:45.332 INFO [stderr]  --> src/main.rs:2:5
Dec 18 03:31:45.332 INFO [stderr]   |
Dec 18 03:31:45.332 INFO [stderr] 2 | use std::thread;
Dec 18 03:31:45.332 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 03:31:45.332 INFO [stderr]   |
Dec 18 03:31:45.332 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 03:31:45.332 INFO [stderr] 
Dec 18 03:31:45.560 INFO [stderr] warning: function is never used: `has_duplicates`
Dec 18 03:31:45.560 INFO [stderr]   --> src/utils.rs:11:1
Dec 18 03:31:45.560 INFO [stderr]    |
Dec 18 03:31:45.560 INFO [stderr] 11 | pub fn has_duplicates<T: Eq + Ord + Clone>(v: &Vec<T>) -> bool {
Dec 18 03:31:45.560 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:31:45.560 INFO [stderr]    |
Dec 18 03:31:45.560 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:31:45.560 INFO [stderr] 
Dec 18 03:31:45.618 INFO [stderr] warning: function is never used: `has_duplicates`
Dec 18 03:31:45.618 INFO [stderr]   --> src/utils.rs:11:1
Dec 18 03:31:45.618 INFO [stderr]    |
Dec 18 03:31:45.618 INFO [stderr] 11 | pub fn has_duplicates<T: Eq + Ord + Clone>(v: &Vec<T>) -> bool {
Dec 18 03:31:45.618 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:31:45.618 INFO [stderr]    |
Dec 18 03:31:45.618 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:31:45.618 INFO [stderr] 
Dec 18 03:31:45.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 18 03:31:46.520 INFO running `"docker" "inspect" "c613a92eb5c7f7d6412149c4238d225ab68553d67e143c9e892e8de6db016d79"`
Dec 18 03:31:46.800 INFO running `"docker" "rm" "-f" "c613a92eb5c7f7d6412149c4238d225ab68553d67e143c9e892e8de6db016d79"`
Dec 18 03:31:47.080 INFO [stdout] c613a92eb5c7f7d6412149c4238d225ab68553d67e143c9e892e8de6db016d79