Dec 19 18:38:04.967 INFO checking csreid/AoC2018 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:38:04.967 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/csreid/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:38:05.387 INFO [stdout] c8c806978b3e02acec36bd3861b858637e56b4db87b14fdf933f312a2c9c4ab2
Dec 19 18:38:05.390 INFO running `"docker" "start" "-a" "c8c806978b3e02acec36bd3861b858637e56b4db87b14fdf933f312a2c9c4ab2"`
Dec 19 18:38:07.692 INFO [stderr]     Checking fine_grained v0.1.2
Dec 19 18:38:07.692 INFO [stderr]     Checking csv v1.0.2
Dec 19 18:38:09.329 INFO [stderr]     Checking AoC v0.1.0 (/opt/crater/workdir)
Dec 19 18:38:09.872 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 18:38:09.872 INFO [stderr]  --> src/day2/mod.rs:1:5
Dec 19 18:38:09.872 INFO [stderr]   |
Dec 19 18:38:09.872 INFO [stderr] 1 | use itertools::Itertools;
Dec 19 18:38:09.872 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.872 INFO [stderr]   |
Dec 19 18:38:09.872 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:38:09.872 INFO [stderr] 
Dec 19 18:38:09.872 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 18:38:09.872 INFO [stderr]   --> src/main.rs:13:5
Dec 19 18:38:09.872 INFO [stderr]    |
Dec 19 18:38:09.872 INFO [stderr] 13 | use std::collections::HashSet;
Dec 19 18:38:09.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.872 INFO [stderr] 
Dec 19 18:38:09.872 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 18:38:09.872 INFO [stderr]   --> src/main.rs:14:5
Dec 19 18:38:09.872 INFO [stderr]    |
Dec 19 18:38:09.872 INFO [stderr] 14 | use std::convert::From;
Dec 19 18:38:09.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.872 INFO [stderr] 
Dec 19 18:38:09.872 INFO [stderr] warning: unused import: `Change`
Dec 19 18:38:09.873 INFO [stderr]   --> src/main.rs:17:12
Dec 19 18:38:09.873 INFO [stderr]    |
Dec 19 18:38:09.873 INFO [stderr] 17 | use day1::{Change,ChangeRecord,ChangeList};
Dec 19 18:38:09.873 INFO [stderr]    |            ^^^^^^
Dec 19 18:38:09.873 INFO [stderr] 
Dec 19 18:38:09.884 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 18:38:09.884 INFO [stderr]  --> src/day2/mod.rs:1:5
Dec 19 18:38:09.884 INFO [stderr]   |
Dec 19 18:38:09.884 INFO [stderr] 1 | use itertools::Itertools;
Dec 19 18:38:09.884 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.884 INFO [stderr]   |
Dec 19 18:38:09.884 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:38:09.884 INFO [stderr] 
Dec 19 18:38:09.884 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 18:38:09.884 INFO [stderr]   --> src/main.rs:13:5
Dec 19 18:38:09.884 INFO [stderr]    |
Dec 19 18:38:09.884 INFO [stderr] 13 | use std::collections::HashSet;
Dec 19 18:38:09.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.884 INFO [stderr] 
Dec 19 18:38:09.884 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 18:38:09.884 INFO [stderr]   --> src/main.rs:14:5
Dec 19 18:38:09.884 INFO [stderr]    |
Dec 19 18:38:09.884 INFO [stderr] 14 | use std::convert::From;
Dec 19 18:38:09.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.884 INFO [stderr] 
Dec 19 18:38:09.884 INFO [stderr] warning: unused import: `Change`
Dec 19 18:38:09.884 INFO [stderr]   --> src/main.rs:17:12
Dec 19 18:38:09.884 INFO [stderr]    |
Dec 19 18:38:09.884 INFO [stderr] 17 | use day1::{Change,ChangeRecord,ChangeList};
Dec 19 18:38:09.884 INFO [stderr]    |            ^^^^^^
Dec 19 18:38:09.884 INFO [stderr] 
Dec 19 18:38:10.076 INFO [stderr] warning: unused variable: `l`
Dec 19 18:38:10.076 INFO [stderr]   --> src/main.rs:62:17
Dec 19 18:38:10.076 INFO [stderr]    |
Dec 19 18:38:10.076 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:10.076 INFO [stderr]    |                                   ^ help: consider using `_l` instead
Dec 19 18:38:10.076 INFO [stderr]    |
Dec 19 18:38:10.076 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:38:10.076 INFO [stderr] 
Dec 19 18:38:10.076 INFO [stderr] warning: unused variable: `r`
Dec 19 18:38:10.076 INFO [stderr]   --> src/main.rs:62:20
Dec 19 18:38:10.076 INFO [stderr]    |
Dec 19 18:38:10.076 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:10.076 INFO [stderr]    |                                      ^ help: consider using `_r` instead
Dec 19 18:38:10.076 INFO [stderr] 
Dec 19 18:38:10.076 INFO [stderr] warning: unused variable: `idx`
Dec 19 18:38:10.076 INFO [stderr]   --> src/day2/mod.rs:43:14
Dec 19 18:38:10.076 INFO [stderr]    |
Dec 19 18:38:10.076 INFO [stderr] 43 |             .filter(|(idx, (l, r))| {
Dec 19 18:38:10.076 INFO [stderr]    |                       ^^^ help: consider using `_idx` instead
Dec 19 18:38:10.076 INFO [stderr] 
Dec 19 18:38:10.092 INFO [stderr] warning: unused variable: `l`
Dec 19 18:38:10.092 INFO [stderr]   --> src/main.rs:62:17
Dec 19 18:38:10.092 INFO [stderr]    |
Dec 19 18:38:10.092 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:10.092 INFO [stderr]    |                                   ^ help: consider using `_l` instead
Dec 19 18:38:10.092 INFO [stderr]    |
Dec 19 18:38:10.092 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:38:10.092 INFO [stderr] 
Dec 19 18:38:10.092 INFO [stderr] warning: unused variable: `r`
Dec 19 18:38:10.092 INFO [stderr]   --> src/main.rs:62:20
Dec 19 18:38:10.092 INFO [stderr]    |
Dec 19 18:38:10.092 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:10.092 INFO [stderr]    |                                      ^ help: consider using `_r` instead
Dec 19 18:38:10.092 INFO [stderr] 
Dec 19 18:38:10.092 INFO [stderr] warning: unused variable: `idx`
Dec 19 18:38:10.092 INFO [stderr]   --> src/day2/mod.rs:43:14
Dec 19 18:38:10.092 INFO [stderr]    |
Dec 19 18:38:10.092 INFO [stderr] 43 |             .filter(|(idx, (l, r))| {
Dec 19 18:38:10.092 INFO [stderr]    |                       ^^^ help: consider using `_idx` instead
Dec 19 18:38:10.092 INFO [stderr] 
Dec 19 18:38:10.116 INFO [stderr] warning: crate `AoC` should have a snake case name such as `ao_c`
Dec 19 18:38:10.116 INFO [stderr]   |
Dec 19 18:38:10.116 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 18:38:10.116 INFO [stderr] 
Dec 19 18:38:10.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:38:10.116 INFO [stderr]   --> src/day2/mod.rs:71:3
Dec 19 18:38:10.116 INFO [stderr]    |
Dec 19 18:38:10.116 INFO [stderr] 71 |         write!(f, "{} -> {} as position {}", self.left, self.right, self.position);
Dec 19 18:38:10.116 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:10.116 INFO [stderr]    |
Dec 19 18:38:10.116 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:38:10.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:38:10.116 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 18:38:10.116 INFO [stderr] 
Dec 19 18:38:10.137 INFO [stderr] warning: crate `AoC` should have a snake case name such as `ao_c`
Dec 19 18:38:10.137 INFO [stderr]   |
Dec 19 18:38:10.137 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 18:38:10.137 INFO [stderr] 
Dec 19 18:38:10.140 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:38:10.140 INFO [stderr]   --> src/day2/mod.rs:71:3
Dec 19 18:38:10.140 INFO [stderr]    |
Dec 19 18:38:10.140 INFO [stderr] 71 |         write!(f, "{} -> {} as position {}", self.left, self.right, self.position);
Dec 19 18:38:10.140 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:10.140 INFO [stderr]    |
Dec 19 18:38:10.140 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:38:10.140 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:38:10.140 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 18:38:10.140 INFO [stderr] 
Dec 19 18:38:10.167 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
Dec 19 18:38:10.955 INFO running `"docker" "inspect" "c8c806978b3e02acec36bd3861b858637e56b4db87b14fdf933f312a2c9c4ab2"`
Dec 19 18:38:11.061 INFO running `"docker" "rm" "-f" "c8c806978b3e02acec36bd3861b858637e56b4db87b14fdf933f312a2c9c4ab2"`
Dec 19 18:38:11.196 INFO [stdout] c8c806978b3e02acec36bd3861b858637e56b4db87b14fdf933f312a2c9c4ab2