[INFO] updating cached repository PierreLeidbring/AoC-2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/PierreLeidbring/AoC-2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/PierreLeidbring/AoC-2018" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/PierreLeidbring/AoC-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/PierreLeidbring/AoC-2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/PierreLeidbring/AoC-2018" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/PierreLeidbring/AoC-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/PierreLeidbring/AoC-2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1e043268029bc69c0f971a038ccf5e9b82dd3a82 [INFO] sha for GitHub repo PierreLeidbring/AoC-2018: 1e043268029bc69c0f971a038ccf5e9b82dd3a82 [INFO] validating manifest of PierreLeidbring/AoC-2018 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of PierreLeidbring/AoC-2018 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing PierreLeidbring/AoC-2018 [INFO] finished frobbing PierreLeidbring/AoC-2018 [INFO] frobbed toml for PierreLeidbring/AoC-2018 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/PierreLeidbring/AoC-2018/Cargo.toml [INFO] started frobbing PierreLeidbring/AoC-2018 [INFO] finished frobbing PierreLeidbring/AoC-2018 [INFO] frobbed toml for PierreLeidbring/AoC-2018 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/PierreLeidbring/AoC-2018/Cargo.toml [INFO] crate PierreLeidbring/AoC-2018 has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking PierreLeidbring/AoC-2018 against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 101984eb18c12983adaa9c5cf5b792f0f1311ef01db1c8babb2051276768e5e0 [INFO] running `"docker" "start" "-a" "101984eb18c12983adaa9c5cf5b792f0f1311ef01db1c8babb2051276768e5e0"` [INFO] [stderr] Checking aoc-2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::{self, BufRead, BufReader}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::{self, BufRead, BufReader}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inp` [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | fn faux(inp: Vec) -> String { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_inp` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inp` [INFO] [stderr] --> src/day2/mod.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | fn two(inp: Vec) -> String { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_inp` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inp` [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | fn faux(inp: Vec) -> String { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_inp` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inp` [INFO] [stderr] --> src/day2/mod.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | fn two(inp: Vec) -> String { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_inp` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `one` [INFO] [stderr] --> src/day2/mod.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | fn one(inp: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `two` [INFO] [stderr] --> src/day2/mod.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | fn two(inp: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `faux` [INFO] [stderr] --> src/main.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | fn faux(inp: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0635]: unknown feature `collections` [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(collections)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] error: Could not compile `aoc-2018`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: function is never used: `one` [INFO] [stderr] --> src/day2/mod.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | fn one(inp: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `two` [INFO] [stderr] --> src/day2/mod.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | fn two(inp: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `faux` [INFO] [stderr] --> src/main.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | fn faux(inp: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0635]: unknown feature `collections` [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(collections)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] error: Could not compile `aoc-2018`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "101984eb18c12983adaa9c5cf5b792f0f1311ef01db1c8babb2051276768e5e0"` [INFO] running `"docker" "rm" "-f" "101984eb18c12983adaa9c5cf5b792f0f1311ef01db1c8babb2051276768e5e0"` [INFO] [stdout] 101984eb18c12983adaa9c5cf5b792f0f1311ef01db1c8babb2051276768e5e0