[INFO] cloning repository https://github.com/four43/ship_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/four43/ship_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffour43%2Fship_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffour43%2Fship_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1f09a52deae9a85695bed67131b24f67dedc078
[INFO] checking four43/ship_gen 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%2Ffour43%2Fship_gen" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/four43/ship_gen
[INFO] finished tweaking git repo https://github.com/four43/ship_gen
[INFO] tweaked toml for git repo https://github.com/four43/ship_gen written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/four43/ship_gen 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/four43/ship_gen 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3a7cda0be676bfb57f0ba4c18d0fdd6087279281d5d31c363400d8251a617d5a
[INFO] running `Command { std: "docker" "start" "-a" "3a7cda0be676bfb57f0ba4c18d0fdd6087279281d5d31c363400d8251a617d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a7cda0be676bfb57f0ba4c18d0fdd6087279281d5d31c363400d8251a617d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7cda0be676bfb57f0ba4c18d0fdd6087279281d5d31c363400d8251a617d5a", kill_on_drop: false }`
[INFO] [stdout] 3a7cda0be676bfb57f0ba4c18d0fdd6087279281d5d31c363400d8251a617d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4b2c6c7ab1139510fc5394683f21e8d6859b8205790e29d129294e1717267ce3
[INFO] running `Command { std: "docker" "start" "-a" "4b2c6c7ab1139510fc5394683f21e8d6859b8205790e29d129294e1717267ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking ship_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Palette` is never used
[INFO] [stdout]  --> src/main.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Palette {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_width` is never read
[INFO] [stdout]   --> src/rocket.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub struct Rocket {
[INFO] [stdout]    |                ------ field in this struct
[INFO] [stdout] 66 |         pub max_height: usize,
[INFO] [stdout] 67 |         pub max_width: usize,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[clap(short, long, default_value="america")]
[INFO] [stdout] 17 | |     palette: 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] warning: enum `Palette` is never used
[INFO] [stdout]  --> src/main.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Palette {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_width` is never read
[INFO] [stdout]   --> src/rocket.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub struct Rocket {
[INFO] [stdout]    |                ------ field in this struct
[INFO] [stdout] 66 |         pub max_height: usize,
[INFO] [stdout] 67 |         pub max_width: usize,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ship_gen` (bin "ship_gen") due to 1 previous error; 2 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/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[clap(short, long, default_value="america")]
[INFO] [stdout] 17 | |     palette: String,
[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 `ship_gen` (bin "ship_gen" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4b2c6c7ab1139510fc5394683f21e8d6859b8205790e29d129294e1717267ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2c6c7ab1139510fc5394683f21e8d6859b8205790e29d129294e1717267ce3", kill_on_drop: false }`
[INFO] [stdout] 4b2c6c7ab1139510fc5394683f21e8d6859b8205790e29d129294e1717267ce3