[INFO] updating cached repository nrxus/advent_2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nrxus/advent_2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2018" "work/ex/clippy-test-run/sources/stable/gh/nrxus/advent_2018"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/nrxus/advent_2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nrxus/advent_2018"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nrxus/advent_2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2a11996b91c1f0a3197e2702bfb1fff2e5b41b8c [INFO] sha for GitHub repo nrxus/advent_2018: 2a11996b91c1f0a3197e2702bfb1fff2e5b41b8c [INFO] validating manifest of nrxus/advent_2018 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nrxus/advent_2018 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nrxus/advent_2018 [INFO] finished frobbing nrxus/advent_2018 [INFO] frobbed toml for nrxus/advent_2018 written to work/ex/clippy-test-run/sources/stable/gh/nrxus/advent_2018/Cargo.toml [INFO] started frobbing nrxus/advent_2018 [INFO] finished frobbing nrxus/advent_2018 [INFO] frobbed toml for nrxus/advent_2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nrxus/advent_2018/Cargo.toml [INFO] crate nrxus/advent_2018 has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting nrxus/advent_2018 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/nrxus/advent_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" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 70873b80d251c005bceea18f5afa439b37d181dcb319a109385cc3466f60eee0 [INFO] running `"docker" "start" "-a" "70873b80d251c005bceea18f5afa439b37d181dcb319a109385cc3466f60eee0"` [INFO] [stderr] Compiling crc32fast v1.1.1 [INFO] [stderr] Checking reexport-proc-macro v1.0.5 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Compiling enum-map-derive v0.4.0 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Checking enum-map v0.4.1 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking hyper v0.12.16 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.5 [INFO] [stderr] Checking advent_2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/seven_a.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(never_type)] [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 E0554`. [INFO] [stderr] error: Could not compile `advent_2018`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/eight_b.rs:30:20 [INFO] [stderr] | [INFO] [stderr] 30 | if adder.len() == 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `adder.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/three_a.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(try_trait)] [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 E0554`. [INFO] [stderr] error: Could not compile `advent_2018`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/seven_a.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(never_type)] [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 E0554`. [INFO] [stderr] error: Could not compile `advent_2018`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: this `else { if .. }` block can be collapsed [INFO] [stderr] --> src/polymer_len.rs:30:16 [INFO] [stderr] | [INFO] [stderr] 30 | } else { [INFO] [stderr] | ________________^ [INFO] [stderr] 31 | | if building { [INFO] [stderr] 32 | | ranges.push(i + 1..next); [INFO] [stderr] 33 | | [INFO] [stderr] ... | [INFO] [stderr] 38 | | } [INFO] [stderr] 39 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::collapsible_if)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if [INFO] [stderr] help: try [INFO] [stderr] | [INFO] [stderr] 30 | } else if building { [INFO] [stderr] 31 | ranges.push(i + 1..next); [INFO] [stderr] 32 | [INFO] [stderr] 33 | index = Some(next); [INFO] [stderr] 34 | building = false; [INFO] [stderr] 35 | } else { [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: this `else { if .. }` block can be collapsed [INFO] [stderr] --> src/polymer_len.rs:30:16 [INFO] [stderr] | [INFO] [stderr] 30 | } else { [INFO] [stderr] | ________________^ [INFO] [stderr] 31 | | if building { [INFO] [stderr] 32 | | ranges.push(i + 1..next); [INFO] [stderr] 33 | | [INFO] [stderr] ... | [INFO] [stderr] 38 | | } [INFO] [stderr] 39 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::collapsible_if)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if [INFO] [stderr] help: try [INFO] [stderr] | [INFO] [stderr] 30 | } else if building { [INFO] [stderr] 31 | ranges.push(i + 1..next); [INFO] [stderr] 32 | [INFO] [stderr] 33 | index = Some(next); [INFO] [stderr] 34 | building = false; [INFO] [stderr] 35 | } else { [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/three_b.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(try_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/three_b.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(vec_remove_item)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `advent_2018`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/coord_parser.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | .map(|l| l.split(",")) [INFO] [stderr] | ^^^ help: try using a char instead: `','` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_char_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/six_b.rs:29:26 [INFO] [stderr] | [INFO] [stderr] 29 | .map(|i| i as u32) [INFO] [stderr] | ^^^^^^^^ help: try: `u32::from(i)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/six_b.rs:32:26 [INFO] [stderr] | [INFO] [stderr] 32 | .filter(|&d| d < max_distance as u32) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(max_distance)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "70873b80d251c005bceea18f5afa439b37d181dcb319a109385cc3466f60eee0"` [INFO] running `"docker" "rm" "-f" "70873b80d251c005bceea18f5afa439b37d181dcb319a109385cc3466f60eee0"` [INFO] [stdout] 70873b80d251c005bceea18f5afa439b37d181dcb319a109385cc3466f60eee0