[INFO] updating cached repository csreid/AoC2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/csreid/AoC2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/csreid/AoC2018" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/csreid/AoC2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/csreid/AoC2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/csreid/AoC2018" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/csreid/AoC2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/csreid/AoC2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9415bfa42c09babaeca2e121acf7eef91bd6b7fb
[INFO] sha for GitHub repo csreid/AoC2018: 9415bfa42c09babaeca2e121acf7eef91bd6b7fb
[INFO] validating manifest of csreid/AoC2018 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of csreid/AoC2018 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing csreid/AoC2018
[INFO] finished frobbing csreid/AoC2018
[INFO] frobbed toml for csreid/AoC2018 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/csreid/AoC2018/Cargo.toml
[INFO] started frobbing csreid/AoC2018
[INFO] finished frobbing csreid/AoC2018
[INFO] frobbed toml for csreid/AoC2018 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/csreid/AoC2018/Cargo.toml
[INFO] crate csreid/AoC2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking csreid/AoC2018 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/csreid/AoC2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 382a99cb2459cfd623c72aa5c9962e3a03dbca7fa6a72f12d432570cae4eea20
[INFO] running `"docker" "start" "-a" "382a99cb2459cfd623c72aa5c9962e3a03dbca7fa6a72f12d432570cae4eea20"`
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]     Checking fine_grained v0.1.2
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking AoC v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/day2/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::From`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::convert::From;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Change`
[INFO] [stderr]   --> src/main.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | use day1::{Change,ChangeRecord,ChangeList};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/day2/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::From`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::convert::From;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Change`
[INFO] [stderr]   --> src/main.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | use day1::{Change,ChangeRecord,ChangeList};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                         .filter(|(l, r, v)| {
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/main.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |                         .filter(|(l, r, v)| {
[INFO] [stderr]    |                                      ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/day2/mod.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |             .filter(|(idx, (l, r))| {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `AoC` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `ao_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/day2/mod.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |         write!(f, "{} -> {} as position {}", self.left, self.right, self.position);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                         .filter(|(l, r, v)| {
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/main.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |                         .filter(|(l, r, v)| {
[INFO] [stderr]    |                                      ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/day2/mod.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |             .filter(|(idx, (l, r))| {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `AoC` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `ao_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/day2/mod.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |         write!(f, "{} -> {} as position {}", self.left, self.right, self.position);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `"docker" "inspect" "382a99cb2459cfd623c72aa5c9962e3a03dbca7fa6a72f12d432570cae4eea20"`
[INFO] running `"docker" "rm" "-f" "382a99cb2459cfd623c72aa5c9962e3a03dbca7fa6a72f12d432570cae4eea20"`
[INFO] [stdout] 382a99cb2459cfd623c72aa5c9962e3a03dbca7fa6a72f12d432570cae4eea20