[INFO] cloning repository https://github.com/TwilCynder/goombuild
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TwilCynder/goombuild" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwilCynder%2Fgoombuild", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwilCynder%2Fgoombuild'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4ee634f10f0884cf80a1f0dd94494ff8e2f36be
[INFO] checking TwilCynder/goombuild 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%2FTwilCynder%2Fgoombuild" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TwilCynder/goombuild
[INFO] finished tweaking git repo https://github.com/TwilCynder/goombuild
[INFO] tweaked toml for git repo https://github.com/TwilCynder/goombuild written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TwilCynder/goombuild 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/TwilCynder/goombuild 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 93a02689c06d54fd18011f839e40984b298934df9603880d8c4a2ddd63fc32e7
[INFO] running `Command { std: "docker" "start" "-a" "93a02689c06d54fd18011f839e40984b298934df9603880d8c4a2ddd63fc32e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a02689c06d54fd18011f839e40984b298934df9603880d8c4a2ddd63fc32e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a02689c06d54fd18011f839e40984b298934df9603880d8c4a2ddd63fc32e7", kill_on_drop: false }`
[INFO] [stdout] 93a02689c06d54fd18011f839e40984b298934df9603880d8c4a2ddd63fc32e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bff40f5352e7edcff29f181b52a16af70ccd77aa56489f30e9090f148586624d
[INFO] running `Command { std: "docker" "start" "-a" "bff40f5352e7edcff29f181b52a16af70ccd77aa56489f30e9090f148586624d", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking yaml-rust2 v0.9.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]     Checking goombuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `CompileMsgType` is never used
[INFO] [stdout]   --> src/config.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum CompileMsgType <'a> {
[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 `DisplayConfig` is never constructed
[INFO] [stdout]   --> src/config.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct DisplayConfig<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/options.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(gumdrop::Options, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `gumdrop::Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/override_yaml.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Default, gumdrop::Options)]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `gumdrop::Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `goombuild` (bin "goombuild") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `CompileMsgType` is never used
[INFO] [stdout]   --> src/config.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum CompileMsgType <'a> {
[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 `DisplayConfig` is never constructed
[INFO] [stdout]   --> src/config.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct DisplayConfig<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/options.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(gumdrop::Options, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `gumdrop::Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/override_yaml.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Default, gumdrop::Options)]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `gumdrop::Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `goombuild` (bin "goombuild" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bff40f5352e7edcff29f181b52a16af70ccd77aa56489f30e9090f148586624d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff40f5352e7edcff29f181b52a16af70ccd77aa56489f30e9090f148586624d", kill_on_drop: false }`
[INFO] [stdout] bff40f5352e7edcff29f181b52a16af70ccd77aa56489f30e9090f148586624d