[INFO] cloning repository https://github.com/crate-py/regress
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crate-py/regress" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrate-py%2Fregress", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrate-py%2Fregress'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ea3574f26f4d9f868adcd5f6e661d07126fe243
[INFO] checking crate-py/regress 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%2Fcrate-py%2Fregress" "/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/crate-py/regress
[INFO] finished tweaking git repo https://github.com/crate-py/regress
[INFO] tweaked toml for git repo https://github.com/crate-py/regress written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crate-py/regress 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/crate-py/regress 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] dc07fe733c7a0bc1385041c5471a1855aaa878455ef0549b6635bd5d5de5b70d
[INFO] running `Command { std: "docker" "start" "-a" "dc07fe733c7a0bc1385041c5471a1855aaa878455ef0549b6635bd5d5de5b70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc07fe733c7a0bc1385041c5471a1855aaa878455ef0549b6635bd5d5de5b70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc07fe733c7a0bc1385041c5471a1855aaa878455ef0549b6635bd5d5de5b70d", kill_on_drop: false }`
[INFO] [stdout] dc07fe733c7a0bc1385041c5471a1855aaa878455ef0549b6635bd5d5de5b70d
[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] 583177a93699c4039026d908bc0212cb7554cd726adae57b2c28a2db436ff738
[INFO] running `Command { std: "docker" "start" "-a" "583177a93699c4039026d908bc0212cb7554cd726adae57b2c28a2db436ff738", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling python3-dll-a v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking regress v0.10.5
[INFO] [stderr]    Compiling pyo3-build-config v0.26.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pyo3-macros-backend v0.26.0
[INFO] [stderr]    Compiling pyo3-ffi v0.26.0
[INFO] [stderr]    Compiling pyo3 v0.26.0
[INFO] [stderr]    Compiling pyo3-macros v0.26.0
[INFO] [stderr]     Checking regress-py v2025.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Option<MatchPy>, Infallible>
[INFO] [stdout]   --> src/lib.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn find(&self, value: &str) -> Option<MatchPy> {
[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<Vec<MatchPy>, Infallible>
[INFO] [stdout]   --> src/lib.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn find_iter(&self, value: &str) -> Vec<MatchPy> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regress-py` (lib test) 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<Option<MatchPy>, Infallible>
[INFO] [stdout]   --> src/lib.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn find(&self, value: &str) -> Option<MatchPy> {
[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<Vec<MatchPy>, Infallible>
[INFO] [stdout]   --> src/lib.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn find_iter(&self, value: &str) -> Vec<MatchPy> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regress-py` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "583177a93699c4039026d908bc0212cb7554cd726adae57b2c28a2db436ff738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583177a93699c4039026d908bc0212cb7554cd726adae57b2c28a2db436ff738", kill_on_drop: false }`
[INFO] [stdout] 583177a93699c4039026d908bc0212cb7554cd726adae57b2c28a2db436ff738
