[INFO] updating cached repository https://github.com/baszalmstra/adventofcode2017
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f7543d8d8bd746584b9a79e26fa2a04eb1e994d
[INFO] checking baszalmstra/adventofcode2017 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaszalmstra%2Fadventofcode2017" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baszalmstra/adventofcode2017 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/baszalmstra/adventofcode2017
[INFO] finished tweaking git repo https://github.com/baszalmstra/adventofcode2017
[INFO] tweaked toml for git repo https://github.com/baszalmstra/adventofcode2017 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/baszalmstra/adventofcode2017 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f90a9e149239c34585a8af2c79ea70fb14d5208b50a295c403951ef4f80a582
[INFO] running `"docker" "start" "-a" "1f90a9e149239c34585a8af2c79ea70fb14d5208b50a295c403951ef4f80a582"`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking adventofcode2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/day9/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for struct `std::io::BufReader<std::fs::File>` in the current scope
[INFO] [stderr]   --> src/day9/main.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut char_iter = reader.chars().map(|c| c.unwrap());
[INFO] [stderr]    |                                ^^^^^ method not found in `std::io::BufReader<std::fs::File>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `adventofcode2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/day10/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/day10/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/day1/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `round`
[INFO] [stderr]   --> src/day10/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     for round in 0..64 {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_round`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `round`
[INFO] [stderr]   --> src/day10/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     for round in 0..64 {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_round`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for struct `std::fs::File` in the current scope
[INFO] [stderr]   --> src/day1/main.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let values:Vec<u32> = f.chars()
[INFO] [stderr]    |                             ^^^^^ method not found in `std::fs::File`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/day4/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/day7/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `adventofcode2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/day7/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stderr]   --> src/day8/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::hash_map::Entry;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 | /         lazy_static! {
[INFO] [stderr] 50 | |             static ref RE: Regex = Regex::new("^(\\w+)\\s(dec|inc)\\s(-?\\d+)\\sif\\s(\\w+)\\s(>=|>|<|<=|==|!=)\\s(-?\\d+)$").unwrap();
[INFO] [stderr] 51 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/day4/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1f90a9e149239c34585a8af2c79ea70fb14d5208b50a295c403951ef4f80a582"`
[INFO] running `"docker" "rm" "-f" "1f90a9e149239c34585a8af2c79ea70fb14d5208b50a295c403951ef4f80a582"`
[INFO] [stdout] 1f90a9e149239c34585a8af2c79ea70fb14d5208b50a295c403951ef4f80a582
