[INFO] cloning repository https://github.com/tahasi/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tahasi/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahasi%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahasi%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8a516acfe9cf88005364989e9081a8981b1c27d
[INFO] checking tahasi/aoc2021 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%2Ftahasi%2Faoc2021" "/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/tahasi/aoc2021
[INFO] finished tweaking git repo https://github.com/tahasi/aoc2021
[INFO] tweaked toml for git repo https://github.com/tahasi/aoc2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tahasi/aoc2021 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/tahasi/aoc2021 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] 186f5d022d23b7476fe0017451a558125ffd8c787450959cc297cbc1e77fe03b
[INFO] running `Command { std: "docker" "start" "-a" "186f5d022d23b7476fe0017451a558125ffd8c787450959cc297cbc1e77fe03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "186f5d022d23b7476fe0017451a558125ffd8c787450959cc297cbc1e77fe03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186f5d022d23b7476fe0017451a558125ffd8c787450959cc297cbc1e77fe03b", kill_on_drop: false }`
[INFO] [stdout] 186f5d022d23b7476fe0017451a558125ffd8c787450959cc297cbc1e77fe03b
[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] 2fc89942d2de6817da5ea05d5f837a0f0fee25257fcfced6e07168e2a4d5b695
[INFO] running `Command { std: "docker" "start" "-a" "2fc89942d2de6817da5ea05d5f837a0f0fee25257fcfced6e07168e2a4d5b695", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/day/seventeen.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Position {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Velocity` is never constructed
[INFO] [stdout]   --> src/day/seventeen.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Velocity {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Probe` is never constructed
[INFO] [stdout]   --> src/day/seventeen.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Probe {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `launch` is never used
[INFO] [stdout]   --> src/day/seventeen.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Probe {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 40 |     fn launch(velocity: Velocity) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/day/three.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[structopt(long)]
[INFO] [stdout] 16 | |     system: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/day/two.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[structopt(default_value("movement"), long)]
[INFO] [stdout] 15 | |     mode: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/day/seventeen.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Position {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Velocity` is never constructed
[INFO] [stdout]   --> src/day/seventeen.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Velocity {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Probe` is never constructed
[INFO] [stdout]   --> src/day/seventeen.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Probe {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `launch` is never used
[INFO] [stdout]   --> src/day/seventeen.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Probe {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 40 |     fn launch(velocity: Velocity) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` (bin "aoc") due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/day/three.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[structopt(long)]
[INFO] [stdout] 16 | |     system: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/day/two.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[structopt(default_value("movement"), long)]
[INFO] [stdout] 15 | |     mode: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` (bin "aoc" test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2fc89942d2de6817da5ea05d5f837a0f0fee25257fcfced6e07168e2a4d5b695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc89942d2de6817da5ea05d5f837a0f0fee25257fcfced6e07168e2a4d5b695", kill_on_drop: false }`
[INFO] [stdout] 2fc89942d2de6817da5ea05d5f837a0f0fee25257fcfced6e07168e2a4d5b695