Dec 19 18:38:03.619 INFO checking csreid/AoC2018 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:38:03.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:38:04.092 INFO [stdout] d8ded88884d9f79845d0a14f2d2c6ef2a5eb1f96b6a4c3de1a9598b87244e320
Dec 19 18:38:04.100 INFO running `"docker" "start" "-a" "d8ded88884d9f79845d0a14f2d2c6ef2a5eb1f96b6a4c3de1a9598b87244e320"`
Dec 19 18:38:05.876 INFO [stderr]     Checking memchr v2.1.1
Dec 19 18:38:05.876 INFO [stderr]     Checking fine_grained v0.1.2
Dec 19 18:38:06.604 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 18:38:07.268 INFO [stderr]     Checking csv v1.0.2
Dec 19 18:38:08.748 INFO [stderr]     Checking AoC v0.1.0 (/opt/crater/workdir)
Dec 19 18:38:09.252 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 18:38:09.253 INFO [stderr]  --> src/day2/mod.rs:1:5
Dec 19 18:38:09.253 INFO [stderr]   |
Dec 19 18:38:09.253 INFO [stderr] 1 | use itertools::Itertools;
Dec 19 18:38:09.253 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.253 INFO [stderr]   |
Dec 19 18:38:09.253 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:38:09.253 INFO [stderr] 
Dec 19 18:38:09.253 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 18:38:09.253 INFO [stderr]   --> src/main.rs:13:5
Dec 19 18:38:09.253 INFO [stderr]    |
Dec 19 18:38:09.253 INFO [stderr] 13 | use std::collections::HashSet;
Dec 19 18:38:09.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.253 INFO [stderr] 
Dec 19 18:38:09.253 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 18:38:09.253 INFO [stderr]   --> src/main.rs:14:5
Dec 19 18:38:09.253 INFO [stderr]    |
Dec 19 18:38:09.253 INFO [stderr] 14 | use std::convert::From;
Dec 19 18:38:09.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.253 INFO [stderr] 
Dec 19 18:38:09.253 INFO [stderr] warning: unused import: `Change`
Dec 19 18:38:09.253 INFO [stderr]   --> src/main.rs:17:12
Dec 19 18:38:09.253 INFO [stderr]    |
Dec 19 18:38:09.253 INFO [stderr] 17 | use day1::{Change,ChangeRecord,ChangeList};
Dec 19 18:38:09.253 INFO [stderr]    |            ^^^^^^
Dec 19 18:38:09.253 INFO [stderr] 
Dec 19 18:38:09.276 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 19 18:38:09.276 INFO [stderr]  --> src/day2/mod.rs:1:5
Dec 19 18:38:09.276 INFO [stderr]   |
Dec 19 18:38:09.276 INFO [stderr] 1 | use itertools::Itertools;
Dec 19 18:38:09.276 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.276 INFO [stderr]   |
Dec 19 18:38:09.276 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:38:09.276 INFO [stderr] 
Dec 19 18:38:09.276 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 19 18:38:09.277 INFO [stderr]   --> src/main.rs:13:5
Dec 19 18:38:09.277 INFO [stderr]    |
Dec 19 18:38:09.277 INFO [stderr] 13 | use std::collections::HashSet;
Dec 19 18:38:09.277 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.277 INFO [stderr] 
Dec 19 18:38:09.277 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 18:38:09.277 INFO [stderr]   --> src/main.rs:14:5
Dec 19 18:38:09.277 INFO [stderr]    |
Dec 19 18:38:09.277 INFO [stderr] 14 | use std::convert::From;
Dec 19 18:38:09.277 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.277 INFO [stderr] 
Dec 19 18:38:09.277 INFO [stderr] warning: unused import: `Change`
Dec 19 18:38:09.277 INFO [stderr]   --> src/main.rs:17:12
Dec 19 18:38:09.277 INFO [stderr]    |
Dec 19 18:38:09.277 INFO [stderr] 17 | use day1::{Change,ChangeRecord,ChangeList};
Dec 19 18:38:09.277 INFO [stderr]    |            ^^^^^^
Dec 19 18:38:09.277 INFO [stderr] 
Dec 19 18:38:09.516 INFO [stderr] warning: unused variable: `l`
Dec 19 18:38:09.517 INFO [stderr]   --> src/main.rs:62:17
Dec 19 18:38:09.517 INFO [stderr]    |
Dec 19 18:38:09.517 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:09.517 INFO [stderr]    |                                   ^ help: consider using `_l` instead
Dec 19 18:38:09.518 INFO [stderr]    |
Dec 19 18:38:09.518 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:38:09.518 INFO [stderr] 
Dec 19 18:38:09.519 INFO [stderr] warning: unused variable: `r`
Dec 19 18:38:09.519 INFO [stderr]   --> src/main.rs:62:20
Dec 19 18:38:09.519 INFO [stderr]    |
Dec 19 18:38:09.520 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:09.520 INFO [stderr]    |                                      ^ help: consider using `_r` instead
Dec 19 18:38:09.520 INFO [stderr] 
Dec 19 18:38:09.521 INFO [stderr] warning: unused variable: `idx`
Dec 19 18:38:09.521 INFO [stderr]   --> src/day2/mod.rs:43:14
Dec 19 18:38:09.521 INFO [stderr]    |
Dec 19 18:38:09.521 INFO [stderr] 43 |             .filter(|(idx, (l, r))| {
Dec 19 18:38:09.522 INFO [stderr]    |                       ^^^ help: consider using `_idx` instead
Dec 19 18:38:09.522 INFO [stderr] 
Dec 19 18:38:09.522 INFO [stderr] warning: unused variable: `l`
Dec 19 18:38:09.522 INFO [stderr]   --> src/main.rs:62:17
Dec 19 18:38:09.522 INFO [stderr]    |
Dec 19 18:38:09.523 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:09.523 INFO [stderr]    |                                   ^ help: consider using `_l` instead
Dec 19 18:38:09.523 INFO [stderr]    |
Dec 19 18:38:09.523 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:38:09.524 INFO [stderr] 
Dec 19 18:38:09.524 INFO [stderr] warning: unused variable: `r`
Dec 19 18:38:09.524 INFO [stderr]   --> src/main.rs:62:20
Dec 19 18:38:09.524 INFO [stderr]    |
Dec 19 18:38:09.524 INFO [stderr] 62 |                         .filter(|(l, r, v)| {
Dec 19 18:38:09.525 INFO [stderr]    |                                      ^ help: consider using `_r` instead
Dec 19 18:38:09.525 INFO [stderr] 
Dec 19 18:38:09.525 INFO [stderr] warning: unused variable: `idx`
Dec 19 18:38:09.525 INFO [stderr]   --> src/day2/mod.rs:43:14
Dec 19 18:38:09.525 INFO [stderr]    |
Dec 19 18:38:09.526 INFO [stderr] 43 |             .filter(|(idx, (l, r))| {
Dec 19 18:38:09.526 INFO [stderr]    |                       ^^^ help: consider using `_idx` instead
Dec 19 18:38:09.526 INFO [stderr] 
Dec 19 18:38:09.568 INFO [stderr] warning: crate `AoC` should have a snake case name such as `ao_c`
Dec 19 18:38:09.569 INFO [stderr]   |
Dec 19 18:38:09.569 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 18:38:09.569 INFO [stderr] 
Dec 19 18:38:09.571 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:38:09.571 INFO [stderr]   --> src/day2/mod.rs:71:3
Dec 19 18:38:09.571 INFO [stderr]    |
Dec 19 18:38:09.571 INFO [stderr] 71 |         write!(f, "{} -> {} as position {}", self.left, self.right, self.position);
Dec 19 18:38:09.571 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.571 INFO [stderr]    |
Dec 19 18:38:09.572 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:38:09.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:38:09.572 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 18:38:09.572 INFO [stderr] 
Dec 19 18:38:09.627 INFO [stderr] warning: crate `AoC` should have a snake case name such as `ao_c`
Dec 19 18:38:09.627 INFO [stderr]   |
Dec 19 18:38:09.627 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 18:38:09.627 INFO [stderr] 
Dec 19 18:38:09.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:38:09.636 INFO [stderr]   --> src/day2/mod.rs:71:3
Dec 19 18:38:09.636 INFO [stderr]    |
Dec 19 18:38:09.636 INFO [stderr] 71 |         write!(f, "{} -> {} as position {}", self.left, self.right, self.position);
Dec 19 18:38:09.636 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:38:09.636 INFO [stderr]    |
Dec 19 18:38:09.636 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:38:09.636 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:38:09.636 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 18:38:09.636 INFO [stderr] 
Dec 19 18:38:09.704 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
Dec 19 18:38:10.553 INFO running `"docker" "inspect" "d8ded88884d9f79845d0a14f2d2c6ef2a5eb1f96b6a4c3de1a9598b87244e320"`
Dec 19 18:38:10.769 INFO running `"docker" "rm" "-f" "d8ded88884d9f79845d0a14f2d2c6ef2a5eb1f96b6a4c3de1a9598b87244e320"`
Dec 19 18:38:10.945 INFO [stdout] d8ded88884d9f79845d0a14f2d2c6ef2a5eb1f96b6a4c3de1a9598b87244e320