[INFO] updating cached repository siku2/AoC2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/siku2/AoC2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/siku2/AoC2018" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/siku2/AoC2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/siku2/AoC2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/siku2/AoC2018" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/siku2/AoC2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/siku2/AoC2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebe191873dc177df07e804d93d761e81d3c82850
[INFO] sha for GitHub repo siku2/AoC2018: ebe191873dc177df07e804d93d761e81d3c82850
[INFO] validating manifest of siku2/AoC2018 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of siku2/AoC2018 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing siku2/AoC2018
[INFO] finished frobbing siku2/AoC2018
[INFO] frobbed toml for siku2/AoC2018 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/siku2/AoC2018/Cargo.toml
[INFO] started frobbing siku2/AoC2018
[INFO] finished frobbing siku2/AoC2018
[INFO] frobbed toml for siku2/AoC2018 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/siku2/AoC2018/Cargo.toml
[INFO] crate siku2/AoC2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking siku2/AoC2018 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-5/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/siku2/AoC2018:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a90b50d403bf1bfa77fd8f88f31ae3d2d6dd7dcf94ef81751cb6942c88386067
[INFO] running `"docker" "start" "-a" "a90b50d403bf1bfa77fd8f88f31ae3d2d6dd7dcf94ef81751cb6942c88386067"`
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking advent_of_code_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/puzzles/day25.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/puzzles/day25.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/puzzles/day25.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let len = points.len();
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/puzzles/day25.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let len = points.len();
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unordered_pair_key`
[INFO] [stderr]   --> src/puzzles/day25.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn unordered_pair_key<T: PartialOrd>(key: (T, T)) -> (T, T) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unordered_pair_key`
[INFO] [stderr]   --> src/puzzles/day25.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn unordered_pair_key<T: PartialOrd>(key: (T, T)) -> (T, T) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `"docker" "inspect" "a90b50d403bf1bfa77fd8f88f31ae3d2d6dd7dcf94ef81751cb6942c88386067"`
[INFO] running `"docker" "rm" "-f" "a90b50d403bf1bfa77fd8f88f31ae3d2d6dd7dcf94ef81751cb6942c88386067"`
[INFO] [stdout] a90b50d403bf1bfa77fd8f88f31ae3d2d6dd7dcf94ef81751cb6942c88386067