[INFO] fetching crate jobflow 0.3.0...
[INFO] checking jobflow-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate jobflow 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate jobflow 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jobflow 0.3.0
[INFO] tweaked toml for crates.io crate jobflow 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jobflow 0.3.0 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 crates.io crate jobflow 0.3.0 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-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] d07a58f55901a006ead785ce24239de1f090534f52f74966e085f1bc5760c1f9
[INFO] running `Command { std: "docker" "start" "-a" "d07a58f55901a006ead785ce24239de1f090534f52f74966e085f1bc5760c1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07a58f55901a006ead785ce24239de1f090534f52f74966e085f1bc5760c1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07a58f55901a006ead785ce24239de1f090534f52f74966e085f1bc5760c1f9", kill_on_drop: false }`
[INFO] [stdout] d07a58f55901a006ead785ce24239de1f090534f52f74966e085f1bc5760c1f9
[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] d6c5b3c240a2f4588ff38a73f0948f4b849abdceaa090e1818a8117482ad924e
[INFO] running `Command { std: "docker" "start" "-a" "d6c5b3c240a2f4588ff38a73f0948f4b849abdceaa090e1818a8117482ad924e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.38
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking thread-id v4.2.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking petgraph v0.8.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking clap v4.5.38
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling fortuples v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling test-log-macros v0.2.17
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking jobflow v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking test-log v0.2.17
[INFO] [stdout] warning: struct `NoOutput` is never constructed
[INFO] [stdout]    --> src/backend/job.rs:521:12
[INFO] [stdout]     |
[INFO] [stdout] 521 | pub struct NoOutput;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]    --> src/backend/job.rs:948:5
[INFO] [stdout]     |
[INFO] [stdout] 946 | pub(crate) enum OutputKind {
[INFO] [stdout]     |                 ---------- variant in this enum
[INFO] [stdout] 947 |     /// no output
[INFO] [stdout] 948 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OutputKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&T, Infallible>
[INFO] [stdout]   --> src/sync/once_lock.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.get_or_try_init(|| Ok::<T, Infallible>(init()))
[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 `jobflow` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d6c5b3c240a2f4588ff38a73f0948f4b849abdceaa090e1818a8117482ad924e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c5b3c240a2f4588ff38a73f0948f4b849abdceaa090e1818a8117482ad924e", kill_on_drop: false }`
[INFO] [stdout] d6c5b3c240a2f4588ff38a73f0948f4b849abdceaa090e1818a8117482ad924e
