Dec 18 05:55:52.319 INFO checking PierreLeidbring/AoC-2018 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:55:52.319 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/PierreLeidbring/AoC-2018:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:55:52.796 INFO [stdout] da04be3a745c709880ed102dcdf623d6acccedd7f780b1126dfeab95f1cb5973
Dec 18 05:55:52.798 INFO running `"docker" "start" "-a" "da04be3a745c709880ed102dcdf623d6acccedd7f780b1126dfeab95f1cb5973"`
Dec 18 05:55:54.436 INFO [stderr]     Checking aoc-2018 v0.1.0 (/opt/crater/workdir)
Dec 18 05:55:54.752 INFO [stderr] warning: unused import: `self`
Dec 18 05:55:54.752 INFO [stderr]  --> src/main.rs:8:15
Dec 18 05:55:54.752 INFO [stderr]   |
Dec 18 05:55:54.752 INFO [stderr] 8 | use std::io::{self, BufRead, BufReader};
Dec 18 05:55:54.752 INFO [stderr]   |               ^^^^
Dec 18 05:55:54.752 INFO [stderr]   |
Dec 18 05:55:54.752 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:55:54.752 INFO [stderr] 
Dec 18 05:55:54.824 INFO [stderr] warning: unused variable: `inp`
Dec 18 05:55:54.824 INFO [stderr]   --> src/day2/mod.rs:22:8
Dec 18 05:55:54.824 INFO [stderr]    |
Dec 18 05:55:54.824 INFO [stderr] 22 | fn two(inp: Vec<String>) -> String {
Dec 18 05:55:54.824 INFO [stderr]    |        ^^^ help: consider using `_inp` instead
Dec 18 05:55:54.824 INFO [stderr]    |
Dec 18 05:55:54.824 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:55:54.824 INFO [stderr] 
Dec 18 05:55:54.824 INFO [stderr] warning: unused variable: `inp`
Dec 18 05:55:54.824 INFO [stderr]   --> src/main.rs:12:9
Dec 18 05:55:54.824 INFO [stderr]    |
Dec 18 05:55:54.824 INFO [stderr] 12 | fn faux(inp: Vec<String>) -> String {
Dec 18 05:55:54.824 INFO [stderr]    |         ^^^ help: consider using `_inp` instead
Dec 18 05:55:54.824 INFO [stderr] 
Dec 18 05:55:54.844 INFO [stderr] warning: function is never used: `one`
Dec 18 05:55:54.844 INFO [stderr]  --> src/day2/mod.rs:3:1
Dec 18 05:55:54.844 INFO [stderr]   |
Dec 18 05:55:54.844 INFO [stderr] 3 | fn one(inp: Vec<String>) -> String {
Dec 18 05:55:54.844 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:55:54.844 INFO [stderr]   |
Dec 18 05:55:54.844 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 05:55:54.844 INFO [stderr] 
Dec 18 05:55:54.844 INFO [stderr] warning: function is never used: `two`
Dec 18 05:55:54.844 INFO [stderr]   --> src/day2/mod.rs:22:1
Dec 18 05:55:54.844 INFO [stderr]    |
Dec 18 05:55:54.844 INFO [stderr] 22 | fn two(inp: Vec<String>) -> String {
Dec 18 05:55:54.844 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:55:54.844 INFO [stderr] 
Dec 18 05:55:54.844 INFO [stderr] warning: function is never used: `faux`
Dec 18 05:55:54.844 INFO [stderr]   --> src/main.rs:12:1
Dec 18 05:55:54.844 INFO [stderr]    |
Dec 18 05:55:54.844 INFO [stderr] 12 | fn faux(inp: Vec<String>) -> String {
Dec 18 05:55:54.844 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:55:54.844 INFO [stderr] 
Dec 18 05:55:54.847 INFO [stderr] error[E0635]: unknown feature `collections`
Dec 18 05:55:54.847 INFO [stderr]  --> src/main.rs:1:12
Dec 18 05:55:54.847 INFO [stderr]   |
Dec 18 05:55:54.847 INFO [stderr] 1 | #![feature(collections)]
Dec 18 05:55:54.847 INFO [stderr]   |            ^^^^^^^^^^^
Dec 18 05:55:54.847 INFO [stderr] 
Dec 18 05:55:54.847 INFO [stderr] error: aborting due to previous error
Dec 18 05:55:54.847 INFO [stderr] 
Dec 18 05:55:54.847 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 18 05:55:54.852 INFO [stderr] error: Could not compile `aoc-2018`.
Dec 18 05:55:54.852 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 05:55:54.868 INFO [stderr] warning: unused import: `self`
Dec 18 05:55:54.868 INFO [stderr]  --> src/main.rs:8:15
Dec 18 05:55:54.868 INFO [stderr]   |
Dec 18 05:55:54.868 INFO [stderr] 8 | use std::io::{self, BufRead, BufReader};
Dec 18 05:55:54.868 INFO [stderr]   |               ^^^^
Dec 18 05:55:54.868 INFO [stderr]   |
Dec 18 05:55:54.868 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:55:54.868 INFO [stderr] 
Dec 18 05:55:54.956 INFO [stderr] warning: unused variable: `inp`
Dec 18 05:55:54.956 INFO [stderr]   --> src/day2/mod.rs:22:8
Dec 18 05:55:54.956 INFO [stderr]    |
Dec 18 05:55:54.956 INFO [stderr] 22 | fn two(inp: Vec<String>) -> String {
Dec 18 05:55:54.956 INFO [stderr]    |        ^^^ help: consider using `_inp` instead
Dec 18 05:55:54.956 INFO [stderr]    |
Dec 18 05:55:54.956 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:55:54.956 INFO [stderr] 
Dec 18 05:55:54.956 INFO [stderr] warning: unused variable: `inp`
Dec 18 05:55:54.956 INFO [stderr]   --> src/main.rs:12:9
Dec 18 05:55:54.956 INFO [stderr]    |
Dec 18 05:55:54.956 INFO [stderr] 12 | fn faux(inp: Vec<String>) -> String {
Dec 18 05:55:54.956 INFO [stderr]    |         ^^^ help: consider using `_inp` instead
Dec 18 05:55:54.956 INFO [stderr] 
Dec 18 05:55:54.988 INFO [stderr] warning: function is never used: `one`
Dec 18 05:55:54.988 INFO [stderr]  --> src/day2/mod.rs:3:1
Dec 18 05:55:54.988 INFO [stderr]   |
Dec 18 05:55:54.988 INFO [stderr] 3 | fn one(inp: Vec<String>) -> String {
Dec 18 05:55:54.988 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:55:54.988 INFO [stderr]   |
Dec 18 05:55:54.988 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 05:55:54.988 INFO [stderr] 
Dec 18 05:55:54.988 INFO [stderr] warning: function is never used: `two`
Dec 18 05:55:54.988 INFO [stderr]   --> src/day2/mod.rs:22:1
Dec 18 05:55:54.988 INFO [stderr]    |
Dec 18 05:55:54.988 INFO [stderr] 22 | fn two(inp: Vec<String>) -> String {
Dec 18 05:55:54.988 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:55:54.988 INFO [stderr] 
Dec 18 05:55:54.988 INFO [stderr] warning: function is never used: `faux`
Dec 18 05:55:54.988 INFO [stderr]   --> src/main.rs:12:1
Dec 18 05:55:54.988 INFO [stderr]    |
Dec 18 05:55:54.988 INFO [stderr] 12 | fn faux(inp: Vec<String>) -> String {
Dec 18 05:55:54.988 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:55:54.988 INFO [stderr] 
Dec 18 05:55:54.988 INFO [stderr] error[E0635]: unknown feature `collections`
Dec 18 05:55:54.988 INFO [stderr]  --> src/main.rs:1:12
Dec 18 05:55:54.988 INFO [stderr]   |
Dec 18 05:55:54.988 INFO [stderr] 1 | #![feature(collections)]
Dec 18 05:55:54.988 INFO [stderr]   |            ^^^^^^^^^^^
Dec 18 05:55:54.988 INFO [stderr] 
Dec 18 05:55:54.993 INFO [stderr] error: aborting due to previous error
Dec 18 05:55:54.993 INFO [stderr] 
Dec 18 05:55:54.993 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 18 05:55:55.001 INFO [stderr] error: Could not compile `aoc-2018`.
Dec 18 05:55:55.001 INFO [stderr] 
Dec 18 05:55:55.001 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 05:55:55.669 INFO running `"docker" "inspect" "da04be3a745c709880ed102dcdf623d6acccedd7f780b1126dfeab95f1cb5973"`
Dec 18 05:55:55.918 INFO running `"docker" "rm" "-f" "da04be3a745c709880ed102dcdf623d6acccedd7f780b1126dfeab95f1cb5973"`
Dec 18 05:55:56.260 INFO [stdout] da04be3a745c709880ed102dcdf623d6acccedd7f780b1126dfeab95f1cb5973