[INFO] fetching crate fqgrep 1.1.1...
[INFO] checking fqgrep-1.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fqgrep 1.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fqgrep 1.1.1
[INFO] finished tweaking crates.io crate fqgrep 1.1.1
[INFO] tweaked toml for crates.io crate fqgrep 1.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fqgrep 1.1.1 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 fqgrep 1.1.1 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] 06b4277fad73269a20a7b5ba8b2e33fa13eec89572f8629d1b523b23f09726fe
[INFO] running `Command { std: "docker" "start" "-a" "06b4277fad73269a20a7b5ba8b2e33fa13eec89572f8629d1b523b23f09726fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b4277fad73269a20a7b5ba8b2e33fa13eec89572f8629d1b523b23f09726fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b4277fad73269a20a7b5ba8b2e33fa13eec89572f8629d1b523b23f09726fe", kill_on_drop: false }`
[INFO] [stdout] 06b4277fad73269a20a7b5ba8b2e33fa13eec89572f8629d1b523b23f09726fe
[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] 33e0920e4b2a8eb5cdfff9185fb5bcd7baf69f1a5eea8b437e99c8eafdb46897
[INFO] running `Command { std: "docker" "start" "-a" "33e0920e4b2a8eb5cdfff9185fb5bcd7baf69f1a5eea8b437e99c8eafdb46897", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling pulldown-cmark v0.12.2
[INFO] [stderr]     Checking miniz_oxide v0.8.5
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[INFO] [stderr]     Checking aho-corasick v1.1.3
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[INFO] [stderr]    Compiling memchr v2.7.4
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[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
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[INFO] [stderr]     Checking proglog v0.3.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking once_cell v1.20.3
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[INFO] [stderr]     Checking ordered-float v2.10.1
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[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling cc v1.2.16
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[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking tempfile v3.17.1
[INFO] [stderr]    Compiling libz-sys v1.1.21
[INFO] [stderr]    Compiling libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]    Compiling libdeflate-sys v1.23.1
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.39
[INFO] [stderr]    Compiling libz-ng-sys v1.1.21
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking mimalloc v0.1.43
[INFO] [stderr]     Checking libdeflater v1.23.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
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[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking seq_io v0.3.4
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]     Checking gzp v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]     Checking serde-aux v4.6.0
[INFO] [stderr]     Checking fgoxide v0.5.0
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling git2 v0.15.0
[INFO] [stderr]    Compiling cargo-lock v8.0.3
[INFO] [stderr]    Compiling built v0.5.2
[INFO] [stderr]    Compiling fqgrep v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 PathBuf::from_str(s)
[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<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:357:20
[INFO] [stdout]     |
[INFO] [stdout] 357 |         files.push(PathBuf::from_str("-").unwrap());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fqgrep` (bin "fqgrep") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 PathBuf::from_str(s)
[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<std::path::PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:357:20
[INFO] [stdout]     |
[INFO] [stdout] 357 |         files.push(PathBuf::from_str("-").unwrap());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fqgrep` (bin "fqgrep" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "33e0920e4b2a8eb5cdfff9185fb5bcd7baf69f1a5eea8b437e99c8eafdb46897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e0920e4b2a8eb5cdfff9185fb5bcd7baf69f1a5eea8b437e99c8eafdb46897", kill_on_drop: false }`
[INFO] [stdout] 33e0920e4b2a8eb5cdfff9185fb5bcd7baf69f1a5eea8b437e99c8eafdb46897