[INFO] updating cached repository https://github.com/jezcope/aoc2017-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] cee90a8443bd304505ffdb3395a662b9860ee75a
[INFO] checking jezcope/aoc2017-rust against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjezcope%2Faoc2017-rust" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jezcope/aoc2017-rust on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jezcope/aoc2017-rust
[INFO] finished tweaking git repo https://github.com/jezcope/aoc2017-rust
[INFO] tweaked toml for git repo https://github.com/jezcope/aoc2017-rust written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jezcope/aoc2017-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0c8d9cd9e0f155b816a4d282f67eb80087b4de85780f6fc89aec16fe669f427
[INFO] running `"docker" "start" "-a" "d0c8d9cd9e0f155b816a4d282f67eb80087b4de85780f6fc89aec16fe669f427"`
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking aoc2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: `std::vec::Vec<{integer}>` is not an iterator
[INFO] [stderr]   --> src/knothash.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 21 | / pub fn simple_hash<I>(input: I, size: u16) -> u16
[INFO] [stderr] 22 | |     where I: Iterator<Item = usize>
[INFO] [stderr] 23 | | {
[INFO] [stderr] 24 | |     let mut list = (0..size).collect();
[INFO] [stderr] 25 | |     hash_step(&mut list, input);
[INFO] [stderr] 26 | |     list[0] * list[1]
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_- required by `knothash::simple_hash`
[INFO] [stderr] ...
[INFO] [stderr] 48 |           assert_eq!(12, simple_hash(vec![3, 4, 1, 5], 5));
[INFO] [stderr]    |                          ^^^^^^^^^^^ `std::vec::Vec<{integer}>` is not an iterator
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `std::vec::Vec<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `aoc2017`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d0c8d9cd9e0f155b816a4d282f67eb80087b4de85780f6fc89aec16fe669f427"`
[INFO] running `"docker" "rm" "-f" "d0c8d9cd9e0f155b816a4d282f67eb80087b4de85780f6fc89aec16fe669f427"`
[INFO] [stdout] d0c8d9cd9e0f155b816a4d282f67eb80087b4de85780f6fc89aec16fe669f427