[INFO] cloning repository https://github.com/jezcope/aoc2017-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jezcope/aoc2017-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjezcope%2Faoc2017-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjezcope%2Faoc2017-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cee90a8443bd304505ffdb3395a662b9860ee75a
[INFO] checking jezcope/aoc2017-rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjezcope%2Faoc2017-rust" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jezcope/aoc2017-rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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 /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jezcope/aoc2017-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] a3c503580add75891f47dcf775cdf7b41fb9a9eccd0d1d1f52b5d393380f5d88
[INFO] running `"docker" "start" "-a" "a3c503580add75891f47dcf775cdf7b41fb9a9eccd0d1d1f52b5d393380f5d88"`
[INFO] [stderr]     Checking rand v0.3.19
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking coco v0.1.1
[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:48:36
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn simple_hash<I>(input: I, size: u16) -> u16
[INFO] [stderr]    |        ----------- required by a bound in this
[INFO] [stderr] 22 |     where I: Iterator<Item = usize>
[INFO] [stderr]    |              ---------------------- required by this bound in `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]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a3c503580add75891f47dcf775cdf7b41fb9a9eccd0d1d1f52b5d393380f5d88"`
[INFO] running `"docker" "rm" "-f" "a3c503580add75891f47dcf775cdf7b41fb9a9eccd0d1d1f52b5d393380f5d88"`
[INFO] [stdout] a3c503580add75891f47dcf775cdf7b41fb9a9eccd0d1d1f52b5d393380f5d88