[INFO] updating cached repository fredrik-jansson-se/rust-advent-of-code-2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/fredrik-jansson-se/rust-advent-of-code-2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/fredrik-jansson-se/rust-advent-of-code-2018" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/fredrik-jansson-se/rust-advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/fredrik-jansson-se/rust-advent-of-code-2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/fredrik-jansson-se/rust-advent-of-code-2018" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/fredrik-jansson-se/rust-advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/fredrik-jansson-se/rust-advent-of-code-2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cb3bea23e3553991963ae7636ba17ce6e9944543 [INFO] sha for GitHub repo fredrik-jansson-se/rust-advent-of-code-2018: cb3bea23e3553991963ae7636ba17ce6e9944543 [INFO] validating manifest of fredrik-jansson-se/rust-advent-of-code-2018 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of fredrik-jansson-se/rust-advent-of-code-2018 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing fredrik-jansson-se/rust-advent-of-code-2018 [INFO] finished frobbing fredrik-jansson-se/rust-advent-of-code-2018 [INFO] frobbed toml for fredrik-jansson-se/rust-advent-of-code-2018 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/fredrik-jansson-se/rust-advent-of-code-2018/Cargo.toml [INFO] started frobbing fredrik-jansson-se/rust-advent-of-code-2018 [INFO] finished frobbing fredrik-jansson-se/rust-advent-of-code-2018 [INFO] frobbed toml for fredrik-jansson-se/rust-advent-of-code-2018 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/fredrik-jansson-se/rust-advent-of-code-2018/Cargo.toml [INFO] crate fredrik-jansson-se/rust-advent-of-code-2018 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking fredrik-jansson-se/rust-advent-of-code-2018 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-7/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/fredrik-jansson-se/rust-advent-of-code-2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 607b2f9e727886244d6e93a8d29672a710d99806bab545dce2364a2a6e80e0df [INFO] running `"docker" "start" "-a" "607b2f9e727886244d6e93a8d29672a710d99806bab545dce2364a2a6e80e0df"` [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking nom v4.2.1 [INFO] [stderr] Checking pathfinding v1.1.12 [INFO] [stderr] Checking advent_of_code2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `old_len` [INFO] [stderr] --> src/aoc16.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let old_len = op_lookup.get(&sample.instruction.opcode).unwrap().len(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_old_len` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_len` [INFO] [stderr] --> src/aoc16.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | let new_len = op_lookup.get(&sample.instruction.opcode).unwrap().len(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_new_len` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/aoc12.rs:168:9 [INFO] [stderr] | [INFO] [stderr] 168 | let mut idx_sum = 0; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `acc_sleep_time` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc4.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 118 | let old = acc_sleep_time.get(¤t_guard).unwrap_or(&zero); [INFO] [stderr] | -------------- immutable borrow occurs here [INFO] [stderr] 119 | acc_sleep_time.insert(current_guard, old + wakeup_time - sleep_start); [INFO] [stderr] | ^^^^^^^^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*min_lu` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc4.rs:127:21 [INFO] [stderr] | [INFO] [stderr] 126 | let min_cnt = min_lu.get(&minute).unwrap_or(&zero); [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] 127 | min_lu.insert(minute, min_cnt + 1); [INFO] [stderr] | ^^^^^^ ------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*min_lu` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc4.rs:159:21 [INFO] [stderr] | [INFO] [stderr] 158 | let min_cnt = min_lu.get(&minute).unwrap_or(&zero); [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] 159 | min_lu.insert(minute, min_cnt + 1); [INFO] [stderr] | ^^^^^^ ------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `areas` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc6.rs:69:21 [INFO] [stderr] | [INFO] [stderr] 68 | let old = areas.get(n).unwrap(); [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] 69 | areas.insert(n, old + 1); [INFO] [stderr] | ^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: unused variable: `old_len` [INFO] [stderr] --> src/aoc16.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let old_len = op_lookup.get(&sample.instruction.opcode).unwrap().len(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_old_len` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_len` [INFO] [stderr] --> src/aoc16.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | let new_len = op_lookup.get(&sample.instruction.opcode).unwrap().len(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_new_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sample` [INFO] [stderr] --> src/aoc16.rs:244:17 [INFO] [stderr] | [INFO] [stderr] 244 | let (_, sample) = parse_sample(CompleteStr( [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_sample` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_match` [INFO] [stderr] --> src/aoc12.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | fn is_match(&self, input: &[bool]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/aoc12.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | fn new(init: &[T], default: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Input` [INFO] [stderr] --> src/aoc12.rs:91:1 [INFO] [stderr] | [INFO] [stderr] 91 | struct Input { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_vec` [INFO] [stderr] --> src/aoc12.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | fn create_vec(init: &[bool]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_state` [INFO] [stderr] --> src/aoc12.rs:140:1 [INFO] [stderr] | [INFO] [stderr] 140 | fn print_state(state: &[bool]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Left` [INFO] [stderr] --> src/aoc13.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Left, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Up` [INFO] [stderr] --> src/aoc13.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Up, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Down` [INFO] [stderr] --> src/aoc13.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Down, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Right` [INFO] [stderr] --> src/aoc13.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Right, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Point` [INFO] [stderr] --> src/aoc13.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | enum Point { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Op` [INFO] [stderr] --> src/aoc19.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | type Op = Box ()>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `neqr` [INFO] [stderr] --> src/opcodes.rs:83:1 [INFO] [stderr] | [INFO] [stderr] 83 | pub fn neqr(regs: &mut Registers, a: usize, b: usize, c: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/aoc12.rs:168:9 [INFO] [stderr] | [INFO] [stderr] 168 | let mut idx_sum = 0; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `acc_sleep_time` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc4.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 118 | let old = acc_sleep_time.get(¤t_guard).unwrap_or(&zero); [INFO] [stderr] | -------------- immutable borrow occurs here [INFO] [stderr] 119 | acc_sleep_time.insert(current_guard, old + wakeup_time - sleep_start); [INFO] [stderr] | ^^^^^^^^^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*min_lu` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc4.rs:127:21 [INFO] [stderr] | [INFO] [stderr] 126 | let min_cnt = min_lu.get(&minute).unwrap_or(&zero); [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] 127 | min_lu.insert(minute, min_cnt + 1); [INFO] [stderr] | ^^^^^^ ------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*min_lu` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc4.rs:159:21 [INFO] [stderr] | [INFO] [stderr] 158 | let min_cnt = min_lu.get(&minute).unwrap_or(&zero); [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] 159 | min_lu.insert(minute, min_cnt + 1); [INFO] [stderr] | ^^^^^^ ------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `areas` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/aoc6.rs:69:21 [INFO] [stderr] | [INFO] [stderr] 68 | let old = areas.get(n).unwrap(); [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] 69 | areas.insert(n, old + 1); [INFO] [stderr] | ^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_match` [INFO] [stderr] --> src/aoc12.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | fn is_match(&self, input: &[bool]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_vec` [INFO] [stderr] --> src/aoc12.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | fn create_vec(init: &[bool]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_state` [INFO] [stderr] --> src/aoc12.rs:140:1 [INFO] [stderr] | [INFO] [stderr] 140 | fn print_state(state: &[bool]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Left` [INFO] [stderr] --> src/aoc13.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Left, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Up` [INFO] [stderr] --> src/aoc13.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Up, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Down` [INFO] [stderr] --> src/aoc13.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Down, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Right` [INFO] [stderr] --> src/aoc13.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Right, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Point` [INFO] [stderr] --> src/aoc13.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | enum Point { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `map` [INFO] [stderr] --> src/aoc13.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | fn map() -> &'static str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Op` [INFO] [stderr] --> src/aoc19.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | type Op = Box ()>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `neqr` [INFO] [stderr] --> src/opcodes.rs:83:1 [INFO] [stderr] | [INFO] [stderr] 83 | pub fn neqr(regs: &mut Registers, a: usize, b: usize, c: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.01s [INFO] running `"docker" "inspect" "607b2f9e727886244d6e93a8d29672a710d99806bab545dce2364a2a6e80e0df"` [INFO] running `"docker" "rm" "-f" "607b2f9e727886244d6e93a8d29672a710d99806bab545dce2364a2a6e80e0df"` [INFO] [stdout] 607b2f9e727886244d6e93a8d29672a710d99806bab545dce2364a2a6e80e0df