[INFO] cloning repository https://github.com/matei-oltean/adventofcode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matei-oltean/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatei-oltean%2Fadventofcode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatei-oltean%2Fadventofcode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 240ff01fe547cd5bf7e6b8d6fd4ff229e9d35ccc
[INFO] checking matei-oltean/adventofcode2019 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%2Fmatei-oltean%2Fadventofcode2019" "/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/matei-oltean/adventofcode2019
[INFO] finished tweaking git repo https://github.com/matei-oltean/adventofcode2019
[INFO] tweaked toml for git repo https://github.com/matei-oltean/adventofcode2019 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matei-oltean/adventofcode2019 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/matei-oltean/adventofcode2019 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] ba038dc4cf2ea467957d0fb738a6e881a50cfd997f16966144e3ea182bc7a0d8
[INFO] running `Command { std: "docker" "start" "-a" "ba038dc4cf2ea467957d0fb738a6e881a50cfd997f16966144e3ea182bc7a0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba038dc4cf2ea467957d0fb738a6e881a50cfd997f16966144e3ea182bc7a0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba038dc4cf2ea467957d0fb738a6e881a50cfd997f16966144e3ea182bc7a0d8", kill_on_drop: false }`
[INFO] [stdout] ba038dc4cf2ea467957d0fb738a6e881a50cfd997f16966144e3ea182bc7a0d8
[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] 8c1575a0152003f7964d00feeb6fc5dbbbf2768f7a0f915753cccdaf078359b5
[INFO] running `Command { std: "docker" "start" "-a" "8c1575a0152003f7964d00feeb6fc5dbbbf2768f7a0f915753cccdaf078359b5", kill_on_drop: false }`
[INFO] [stderr]     Checking reader v0.1.0 (/opt/rustwide/workdir/reader)
[INFO] [stderr]     Checking intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stderr]     Checking day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> intcode/src/lib.rs:41:51
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 .map(|i| match operation / pow_10[(i as usize)] % 10 {
[INFO] [stdout]    |                                                   ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 .map(|i| match operation / pow_10[(i as usize)] % 10 {
[INFO] [stdout] 41 +                 .map(|i| match operation / pow_10[i as usize ] % 10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> intcode/src/lib.rs:41:51
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 .map(|i| match operation / pow_10[(i as usize)] % 10 {
[INFO] [stdout]    |                                                   ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 .map(|i| match operation / pow_10[(i as usize)] % 10 {
[INFO] [stdout] 41 +                 .map(|i| match operation / pow_10[i as usize ] % 10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pattern` is never used
[INFO] [stdout]  --> day16/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_pattern(index: usize, element: usize) -> i8 {
[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 `do_iteration` is never used
[INFO] [stdout]   --> day16/src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn do_iteration(iterations: usize, array: &mut Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `energy` is never used
[INFO] [stdout]   --> day12/src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn energy((x, y, z): &Position) -> isize {
[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 `get_energy` is never used
[INFO] [stdout]   --> day12/src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn get_energy(steps: isize, planets: &mut [Position]) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> day12/src/main.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |             let pos = String::from_str(s)
[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 `day12` (bin "day12" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `get_pattern` is never used
[INFO] [stdout]  --> day16/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_pattern(index: usize, element: usize) -> i8 {
[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 `do_iteration` is never used
[INFO] [stdout]   --> day16/src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn do_iteration(iterations: usize, array: &mut Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `energy` is never used
[INFO] [stdout]   --> day12/src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn energy((x, y, z): &Position) -> isize {
[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 `get_energy` is never used
[INFO] [stdout]   --> day12/src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn get_energy(steps: isize, planets: &mut [Position]) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day12` (bin "day12") due to 1 previous error; 2 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> day12/src/main.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |             let pos = String::from_str(s)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c1575a0152003f7964d00feeb6fc5dbbbf2768f7a0f915753cccdaf078359b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1575a0152003f7964d00feeb6fc5dbbbf2768f7a0f915753cccdaf078359b5", kill_on_drop: false }`
[INFO] [stdout] 8c1575a0152003f7964d00feeb6fc5dbbbf2768f7a0f915753cccdaf078359b5