[INFO] cloning repository https://github.com/crabchads/crab-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crabchads/crab-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrabchads%2Fcrab-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrabchads%2Fcrab-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45208693e2a8e34db965e8b6d36097c8c93b3d2a
[INFO] checking crabchads/crab-os 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%2Fcrabchads%2Fcrab-os" "/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/crabchads/crab-os
[INFO] finished tweaking git repo https://github.com/crabchads/crab-os
[INFO] tweaked toml for git repo https://github.com/crabchads/crab-os written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crabchads/crab-os 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/crabchads/crab-os 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] 81648df328d78c6960a0594d52b73f85fcc1a1e3bfe855a3858845bca92dcd31
[INFO] running `Command { std: "docker" "start" "-a" "81648df328d78c6960a0594d52b73f85fcc1a1e3bfe855a3858845bca92dcd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81648df328d78c6960a0594d52b73f85fcc1a1e3bfe855a3858845bca92dcd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81648df328d78c6960a0594d52b73f85fcc1a1e3bfe855a3858845bca92dcd31", kill_on_drop: false }`
[INFO] [stdout] 81648df328d78c6960a0594d52b73f85fcc1a1e3bfe855a3858845bca92dcd31
[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] 458073cd93124217424a4e0ec31b7ef33612768e133a1482725283b07122102b
[INFO] running `Command { std: "docker" "start" "-a" "458073cd93124217424a4e0ec31b7ef33612768e133a1482725283b07122102b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling terminfo v0.9.0
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]    Compiling rlimit v0.10.2
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking utf8-chars v3.0.5
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking peg v0.8.5
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking uzers v0.12.1
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking os_pipe v1.2.2
[INFO] [stderr]     Checking hostname v0.4.1
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking normalize-path v0.2.1
[INFO] [stderr]     Checking petgraph v0.8.1
[INFO] [stderr]     Checking annotate-snippets v0.11.5 (https://github.com/rust-lang/annotate-snippets-rs#2ef10ac7)
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking fancy-regex v0.14.0
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking command-fds v0.3.0
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]     Checking logos v0.15.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling cached_proc_macro v0.24.0
[INFO] [stderr]     Checking clap v4.5.39
[INFO] [stderr]     Checking cached v0.55.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking brush-parser v0.2.16
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking brush-core v0.3.1
[INFO] [stderr]     Checking portage-rs v0.1.0 (/opt/rustwide/workdir/crates/portage-rs)
[INFO] [stdout] warning: unused variable: `shell`
[INFO] [stdout]   --> crates/portage-rs/src/emerge.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let shell = Shell::new(&CreateOptions {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_shell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, !>, PackageSpecifier>
[INFO] [stdout]   --> crates/portage-rs/src/emerge.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                     parse_package_specifier(package).map_err(|err| {
[INFO] [stdout] 45 | |                         let mut message = Group::with_title(
[INFO] [stdout] 46 | |                             Level::ERROR
[INFO] [stdout] 47 | |                                 .title("Failed to parse package specifier"),
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                         std::process::exit(1);
[INFO] [stdout] 62 | |                     })?;
[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: Result<PackageSpecifier, !>
[INFO] [stdout]   --> crates/portage-rs/src/emerge.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                     parse_package_specifier(package).map_err(|err| {
[INFO] [stdout] 45 | |                         let mut message = Group::with_title(
[INFO] [stdout] 46 | |                             Level::ERROR
[INFO] [stdout] 47 | |                                 .title("Failed to parse package specifier"),
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                         std::process::exit(1);
[INFO] [stdout] 62 | |                     })?;
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `portage-rs` (bin "emerge") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `shell`
[INFO] [stdout]   --> crates/portage-rs/src/emerge.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let shell = Shell::new(&CreateOptions {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_shell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, !>, PackageSpecifier>
[INFO] [stdout]   --> crates/portage-rs/src/emerge.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                     parse_package_specifier(package).map_err(|err| {
[INFO] [stdout] 45 | |                         let mut message = Group::with_title(
[INFO] [stdout] 46 | |                             Level::ERROR
[INFO] [stdout] 47 | |                                 .title("Failed to parse package specifier"),
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                         std::process::exit(1);
[INFO] [stdout] 62 | |                     })?;
[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: Result<PackageSpecifier, !>
[INFO] [stdout]   --> crates/portage-rs/src/emerge.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                     parse_package_specifier(package).map_err(|err| {
[INFO] [stdout] 45 | |                         let mut message = Group::with_title(
[INFO] [stdout] 46 | |                             Level::ERROR
[INFO] [stdout] 47 | |                                 .title("Failed to parse package specifier"),
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                         std::process::exit(1);
[INFO] [stdout] 62 | |                     })?;
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `portage-rs` (bin "emerge" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "458073cd93124217424a4e0ec31b7ef33612768e133a1482725283b07122102b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458073cd93124217424a4e0ec31b7ef33612768e133a1482725283b07122102b", kill_on_drop: false }`
[INFO] [stdout] 458073cd93124217424a4e0ec31b7ef33612768e133a1482725283b07122102b
