[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannyeb%2Faoc2018" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/annyeb/aoc2018 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee9b69ef7ae527d6c03f2e2d132a46e78c07df95c892580314a22ccd7809a83a
[INFO] running `Command { std: "docker" "start" "-a" "ee9b69ef7ae527d6c03f2e2d132a46e78c07df95c892580314a22ccd7809a83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee9b69ef7ae527d6c03f2e2d132a46e78c07df95c892580314a22ccd7809a83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9b69ef7ae527d6c03f2e2d132a46e78c07df95c892580314a22ccd7809a83a", kill_on_drop: false }`
[INFO] [stdout] ee9b69ef7ae527d6c03f2e2d132a46e78c07df95c892580314a22ccd7809a83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcc12747b5e7922f5454b6f3329955dcc57b303d2e3bb6d2e20da73e97d2aab1
[INFO] running `Command { std: "docker" "start" "-a" "dcc12747b5e7922f5454b6f3329955dcc57b303d2e3bb6d2e20da73e97d2aab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking regex v1.7.0
[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:16:17
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `times_appeared` is never read
[INFO] [stdout]   --> src/day2.rs:16:17
[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)]` 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)]` 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] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "dcc12747b5e7922f5454b6f3329955dcc57b303d2e3bb6d2e20da73e97d2aab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc12747b5e7922f5454b6f3329955dcc57b303d2e3bb6d2e20da73e97d2aab1", kill_on_drop: false }`
[INFO] [stdout] dcc12747b5e7922f5454b6f3329955dcc57b303d2e3bb6d2e20da73e97d2aab1
[INFO] checking annyeb/aoc2018 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannyeb%2Faoc2018" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/annyeb/aoc2018 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc2/source/Cargo.toml
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af1afaa47134aba2a87a52a35bee6e0eb3a6d9575ee436334d107aa2f9db51e1
[INFO] running `Command { std: "docker" "start" "-a" "af1afaa47134aba2a87a52a35bee6e0eb3a6d9575ee436334d107aa2f9db51e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af1afaa47134aba2a87a52a35bee6e0eb3a6d9575ee436334d107aa2f9db51e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1afaa47134aba2a87a52a35bee6e0eb3a6d9575ee436334d107aa2f9db51e1", kill_on_drop: false }`
[INFO] [stdout] af1afaa47134aba2a87a52a35bee6e0eb3a6d9575ee436334d107aa2f9db51e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d12cef65319766df82ccd56dfb712af702bedd4d6f7be3788773fc1204f688
[INFO] running `Command { std: "docker" "start" "-a" "f9d12cef65319766df82ccd56dfb712af702bedd4d6f7be3788773fc1204f688", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex v1.7.0
[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:16:17
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `times_appeared` is never read
[INFO] [stdout]   --> src/day2.rs:16:17
[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)]` 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)]` 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] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "f9d12cef65319766df82ccd56dfb712af702bedd4d6f7be3788773fc1204f688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d12cef65319766df82ccd56dfb712af702bedd4d6f7be3788773fc1204f688", kill_on_drop: false }`
[INFO] [stdout] f9d12cef65319766df82ccd56dfb712af702bedd4d6f7be3788773fc1204f688