[INFO] cloning repository https://github.com/annyeb/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/annyeb/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannyeb%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannyeb%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 599accb90d3a5e483c9417f88168c49da1e2b68c
[INFO] checking annyeb/aoc2018 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannyeb%2Faoc2018" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/annyeb/aoc2018
[INFO] finished tweaking git repo https://github.com/annyeb/aoc2018
[INFO] tweaked toml for git repo https://github.com/annyeb/aoc2018 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/annyeb/aoc2018 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/annyeb/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e740a8018077ef12976ac04ca6f71a6ee77ccc5aed94fd9c3a8016574d495a
[INFO] running `Command { std: "docker" "start" "-a" "a7e740a8018077ef12976ac04ca6f71a6ee77ccc5aed94fd9c3a8016574d495a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e740a8018077ef12976ac04ca6f71a6ee77ccc5aed94fd9c3a8016574d495a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e740a8018077ef12976ac04ca6f71a6ee77ccc5aed94fd9c3a8016574d495a", kill_on_drop: false }`
[INFO] [stdout] a7e740a8018077ef12976ac04ca6f71a6ee77ccc5aed94fd9c3a8016574d495a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb587636cc75f61f5ca9049f028868bc11a4dfaa24d755262d6b60d5e4eedaa
[INFO] running `Command { std: "docker" "start" "-a" "ccb587636cc75f61f5ca9049f028868bc11a4dfaa24d755262d6b60d5e4eedaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `times_appeared` is never read
[INFO] [stdout]   --> src/day2.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut times_appeared = 0;
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_day4` is never used
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run_day4(path: &str) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_day4_part2` is never used
[INFO] [stdout]   --> src/day4.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn run_day4_part2(path: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GuardEvent` is never used
[INFO] [stdout]   --> src/day4.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 | enum GuardEvent {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `day4_get_schedule` is never used
[INFO] [stdout]   --> src/day4.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn day4_get_schedule(path: &str) -> HashMap<u32, Vec<i32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_guard_event` is never used
[INFO] [stdout]   --> src/day4.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn get_guard_event(string: &str) -> GuardEvent {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_day5` is never used
[INFO] [stdout]  --> src/day5.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run_day5(path: &str) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_day5_part2` is never used
[INFO] [stdout]   --> src/day5.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run_day5_part2(path: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_polymer` is never used
[INFO] [stdout]   --> src/day5.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn reduce_polymer(polymer_input: Vec<char>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day2.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let scrambled_letters: Vec<String> = s.lines().map(|x| x.parse::<String>().unwrap()).collect();
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `times_appeared` is never read
[INFO] [stdout]   --> src/day2.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut times_appeared = 0;
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc_2018` (bin "aoc_2018") due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day2.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let scrambled_letters: Vec<String> = s.lines().map(|x| x.parse::<String>().unwrap()).collect();
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc_2018` (bin "aoc_2018" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ccb587636cc75f61f5ca9049f028868bc11a4dfaa24d755262d6b60d5e4eedaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb587636cc75f61f5ca9049f028868bc11a4dfaa24d755262d6b60d5e4eedaa", kill_on_drop: false }`
[INFO] [stdout] ccb587636cc75f61f5ca9049f028868bc11a4dfaa24d755262d6b60d5e4eedaa
