[INFO] cloning repository https://github.com/jakubtuchol/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubtuchol/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Fadventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Fadventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b238b3b6a2eec7ce8c6939a6a0062e85430ae24
[INFO] testing jakubtuchol/adventofcode2018 against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Fadventofcode2018" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubtuchol/adventofcode2018 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubtuchol/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d51be2a96c4e3c0135034accfc8c75946cba4485a06aeee29f76cac1fb5b59a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d51be2a96c4e3c0135034accfc8c75946cba4485a06aeee29f76cac1fb5b59a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d51be2a96c4e3c0135034accfc8c75946cba4485a06aeee29f76cac1fb5b59a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51be2a96c4e3c0135034accfc8c75946cba4485a06aeee29f76cac1fb5b59a2", kill_on_drop: false }`
[INFO] [stdout] d51be2a96c4e3c0135034accfc8c75946cba4485a06aeee29f76cac1fb5b59a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3103e70c35e64129df20d27f0fb48241a36bb54b80170b71eebaacc7ad38ee7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3103e70c35e64129df20d27f0fb48241a36bb54b80170b71eebaacc7ad38ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last_event`
[INFO] [stdout]   --> src/day_four.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_event`
[INFO] [stdout]   --> src/day_four.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let new_event = parse_event(&line);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_four.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Begin`
[INFO] [stdout]  --> src/day_four.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Begin,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sleep`
[INFO] [stdout]  --> src/day_four.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Sleep,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wake`
[INFO] [stdout]  --> src/day_four.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Wake,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Event`
[INFO] [stdout]   --> src/day_four.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Event {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_date`
[INFO] [stdout]   --> src/day_four.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get_date(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_event`
[INFO] [stdout]   --> src/day_four.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_event(line: &str) -> (Event, Option<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_minute_difference`
[INFO] [stdout]   --> src/day_four.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_minute_difference(one: &Event, two: &Event) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_vector_sum`
[INFO] [stdout]   --> src/day_four.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn get_vector_sum(one: Vec<i32>, two: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_most_minutes_asleep`
[INFO] [stdout]   --> src/day_four.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn calculate_most_minutes_asleep(lines: Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.43s
[INFO] running `Command { std: "docker" "inspect" "e3103e70c35e64129df20d27f0fb48241a36bb54b80170b71eebaacc7ad38ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3103e70c35e64129df20d27f0fb48241a36bb54b80170b71eebaacc7ad38ee7", kill_on_drop: false }`
[INFO] [stdout] e3103e70c35e64129df20d27f0fb48241a36bb54b80170b71eebaacc7ad38ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 968f779a7ec3592642d2290738c8e9fb81519a246abd6fa034ef7ef1f9021e7a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "968f779a7ec3592642d2290738c8e9fb81519a246abd6fa034ef7ef1f9021e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last_event`
[INFO] [stdout]   --> src/day_four.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_event`
[INFO] [stdout]   --> src/day_four.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let new_event = parse_event(&line);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_four.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_date`
[INFO] [stdout]   --> src/day_four.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get_date(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_minute_difference`
[INFO] [stdout]   --> src/day_four.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_minute_difference(one: &Event, two: &Event) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_most_minutes_asleep`
[INFO] [stdout]   --> src/day_four.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn calculate_most_minutes_asleep(lines: Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "968f779a7ec3592642d2290738c8e9fb81519a246abd6fa034ef7ef1f9021e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968f779a7ec3592642d2290738c8e9fb81519a246abd6fa034ef7ef1f9021e7a", kill_on_drop: false }`
[INFO] [stdout] 968f779a7ec3592642d2290738c8e9fb81519a246abd6fa034ef7ef1f9021e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a459d83e8c7623cbaa16ec506b2b65194084b4756f1fd5effeb7f4f8bd486a2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a459d83e8c7623cbaa16ec506b2b65194084b4756f1fd5effeb7f4f8bd486a2d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `last_event`
[INFO] [stdout] running 10 tests
[INFO] [stderr]   --> src/day_four.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut last_event: Option<Event> = 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<Event> = 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: associated function is never used: `get_date`
[INFO] [stderr]   --> src/day_four.rs:22:8
[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<i32> {
[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<String>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adventofcode-37b0abdb30e4ab21
[INFO] [stdout] test day_two::tests::test_find_matching_words ... ok
[INFO] [stdout] test day_two::tests::test_get_box_list_checksum ... ok
[INFO] [stdout] test day_two::tests::test_get_id_checksum ... ok
[INFO] [stdout] test day_four::tests::test_get_vector_sum ... ok
[INFO] [stdout] test day_one::tests::test_calculate_final_frequency ... ok
[INFO] [stdout] test day_three::tests::test_get_claim_overlap ... ok
[INFO] [stdout] test day_three::tests::test_create_claim ... ok
[INFO] [stdout] test day_one::tests::test_find_repeated_frequency ... ok
[INFO] [stdout] test day_three::tests::test_find_num_overlapping_spaces ... ok
[INFO] [stdout] test day_four::tests::test_parse_event ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a459d83e8c7623cbaa16ec506b2b65194084b4756f1fd5effeb7f4f8bd486a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a459d83e8c7623cbaa16ec506b2b65194084b4756f1fd5effeb7f4f8bd486a2d", kill_on_drop: false }`
[INFO] [stdout] a459d83e8c7623cbaa16ec506b2b65194084b4756f1fd5effeb7f4f8bd486a2d