[INFO] updating cached repository https://github.com/jakubtuchol/adventofcode2018 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 5b238b3b6a2eec7ce8c6939a6a0062e85430ae24 [INFO] checking jakubtuchol/adventofcode2018 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Fadventofcode2018" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakubtuchol/adventofcode2018 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/jakubtuchol/adventofcode2018 [INFO] finished tweaking git repo https://github.com/jakubtuchol/adventofcode2018 [INFO] tweaked toml for git repo https://github.com/jakubtuchol/adventofcode2018 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/jakubtuchol/adventofcode2018 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 7fcae25a45e581116f131e593bdb79321da14a83faf88274e5ef87bb024ea00c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "7fcae25a45e581116f131e593bdb79321da14a83faf88274e5ef87bb024ea00c"` [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking adventofcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `last_event` [INFO] [stderr] --> src/day_four.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut last_event: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_event` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_event` [INFO] [stderr] --> src/day_four.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 94 | let new_event = parse_event(&line); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_event` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/day_four.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut last_event: Option = None; [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: variant is never constructed: `Begin` [INFO] [stderr] --> src/day_four.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Begin, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Sleep` [INFO] [stderr] --> src/day_four.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Sleep, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Wake` [INFO] [stderr] --> src/day_four.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Wake, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Event` [INFO] [stderr] --> src/day_four.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | struct Event { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_date` [INFO] [stderr] --> src/day_four.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | fn get_date(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_event` [INFO] [stderr] --> src/day_four.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn parse_event(line: &str) -> (Event, Option) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_minute_difference` [INFO] [stderr] --> src/day_four.rs:70:4 [INFO] [stderr] | [INFO] [stderr] 70 | fn get_minute_difference(one: &Event, two: &Event) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_vector_sum` [INFO] [stderr] --> src/day_four.rs:83:4 [INFO] [stderr] | [INFO] [stderr] 83 | fn get_vector_sum(one: Vec, two: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_most_minutes_asleep` [INFO] [stderr] --> src/day_four.rs:90:4 [INFO] [stderr] | [INFO] [stderr] 90 | fn calculate_most_minutes_asleep(lines: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last_event` [INFO] [stderr] --> src/day_four.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut last_event: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_event` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_event` [INFO] [stderr] --> src/day_four.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 94 | let new_event = parse_event(&line); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_event` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/day_four.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut last_event: Option = None; [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: method is never used: `get_date` [INFO] [stderr] --> src/day_four.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | fn get_date(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_minute_difference` [INFO] [stderr] --> src/day_four.rs:70:4 [INFO] [stderr] | [INFO] [stderr] 70 | fn get_minute_difference(one: &Event, two: &Event) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_most_minutes_asleep` [INFO] [stderr] --> src/day_four.rs:90:4 [INFO] [stderr] | [INFO] [stderr] 90 | fn calculate_most_minutes_asleep(lines: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.17s [INFO] running `"docker" "inspect" "7fcae25a45e581116f131e593bdb79321da14a83faf88274e5ef87bb024ea00c"` [INFO] running `"docker" "rm" "-f" "7fcae25a45e581116f131e593bdb79321da14a83faf88274e5ef87bb024ea00c"` [INFO] [stdout] 7fcae25a45e581116f131e593bdb79321da14a83faf88274e5ef87bb024ea00c