[INFO] updating cached repository jezcope/aoc2017-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jezcope/aoc2017-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jezcope/aoc2017-rust" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/jezcope/aoc2017-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/jezcope/aoc2017-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jezcope/aoc2017-rust" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/jezcope/aoc2017-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/jezcope/aoc2017-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cee90a8443bd304505ffdb3395a662b9860ee75a [INFO] sha for GitHub repo jezcope/aoc2017-rust: cee90a8443bd304505ffdb3395a662b9860ee75a [INFO] validating manifest of jezcope/aoc2017-rust on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jezcope/aoc2017-rust on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jezcope/aoc2017-rust [INFO] finished frobbing jezcope/aoc2017-rust [INFO] frobbed toml for jezcope/aoc2017-rust written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/jezcope/aoc2017-rust/Cargo.toml [INFO] started frobbing jezcope/aoc2017-rust [INFO] finished frobbing jezcope/aoc2017-rust [INFO] frobbed toml for jezcope/aoc2017-rust written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/jezcope/aoc2017-rust/Cargo.toml [INFO] crate jezcope/aoc2017-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking jezcope/aoc2017-rust against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-0/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/jezcope/aoc2017-rust:/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5ba98f0488b652da7ecdc31d3e5c9dc70c28324953e16a69458b0df410afe2ac [INFO] running `"docker" "start" "-a" "5ba98f0488b652da7ecdc31d3e5c9dc70c28324953e16a69458b0df410afe2ac"` [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Checking aoc2017 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0277]: `std::vec::Vec<{integer}>` is not an iterator [INFO] [stderr] --> src/knothash.rs:48:24 [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: required by `knothash::simple_hash` [INFO] [stderr] --> src/knothash.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | / pub fn simple_hash(input: I, size: u16) -> u16 [INFO] [stderr] 22 | | where I: Iterator [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] | |_^ [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] warning: unused variable: `hashed` [INFO] [stderr] --> src/bin/14-disk-defragmentation.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let hashed = full_hash(&hash_input, 256); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_hashed` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hashed` [INFO] [stderr] --> src/bin/14-disk-defragmentation.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let hashed = full_hash(&hash_input, 256); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_hashed` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "5ba98f0488b652da7ecdc31d3e5c9dc70c28324953e16a69458b0df410afe2ac"` [INFO] running `"docker" "rm" "-f" "5ba98f0488b652da7ecdc31d3e5c9dc70c28324953e16a69458b0df410afe2ac"` [INFO] [stdout] 5ba98f0488b652da7ecdc31d3e5c9dc70c28324953e16a69458b0df410afe2ac