[INFO] cloning repository https://github.com/ermakov-oleg/serpyco-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ermakov-oleg/serpyco-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fermakov-oleg%2Fserpyco-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fermakov-oleg%2Fserpyco-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a4994ebe07dbbe506c13912771430c31d21c0ec [INFO] checking ermakov-oleg/serpyco-rs 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%2Fermakov-oleg%2Fserpyco-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ermakov-oleg/serpyco-rs [INFO] finished tweaking git repo https://github.com/ermakov-oleg/serpyco-rs [INFO] tweaked toml for git repo https://github.com/ermakov-oleg/serpyco-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ermakov-oleg/serpyco-rs 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/ermakov-oleg/serpyco-rs 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4e125a0bdbdc88b091104f09a8bad9da01ab92a1cb374ae09760de55024b44d3 [INFO] running `Command { std: "docker" "start" "-a" "4e125a0bdbdc88b091104f09a8bad9da01ab92a1cb374ae09760de55024b44d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e125a0bdbdc88b091104f09a8bad9da01ab92a1cb374ae09760de55024b44d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e125a0bdbdc88b091104f09a8bad9da01ab92a1cb374ae09760de55024b44d3", kill_on_drop: false }` [INFO] [stdout] 4e125a0bdbdc88b091104f09a8bad9da01ab92a1cb374ae09760de55024b44d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e8415114bc28568090040917cef6acc1b61248b2b4ce33591fac6248dc3fa4dd [INFO] running `Command { std: "docker" "start" "-a" "e8415114bc28568090040917cef6acc1b61248b2b4ce33591fac6248dc3fa4dd", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.13.2 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking lexical-util v1.0.6 [INFO] [stderr] Compiling indoc v2.0.6 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Checking lexical-parse-integer v1.0.5 [INFO] [stderr] Checking unindent v0.2.4 [INFO] [stderr] Checking lexical-parse-float v1.0.5 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking uuid v1.18.1 [INFO] [stderr] Checking nohash-hasher v0.2.0 [INFO] [stderr] Checking atomic_refcell v0.1.13 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking dyn-clone v1.0.20 [INFO] [stderr] Compiling pyo3-build-config v0.26.0 [INFO] [stderr] Compiling pyo3-ffi v0.26.0 [INFO] [stderr] Compiling pyo3-macros-backend v0.26.0 [INFO] [stderr] Compiling pyo3 v0.26.0 [INFO] [stderr] Compiling serpyco-rs v1.17.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling strum_macros v0.27.1 [INFO] [stderr] Checking strum v0.27.1 [INFO] [stderr] Checking speedate v0.17.0 [INFO] [stderr] Compiling pyo3-macros v0.26.0 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/validator/types.rs:78:33 [INFO] [stdout] | [INFO] [stdout] 78 | fn should_use_ref(&self) -> bool { [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 [INFO] [stdout] --> src/validator/types.rs:411:18 [INFO] [stdout] | [INFO] [stdout] 411 | fn none() -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/validator/types.rs:415:42 [INFO] [stdout] | [INFO] [stdout] 415 | fn some(value: &Bound<'_, PyAny>) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/validator/types.rs:419:26 [INFO] [stdout] | [INFO] [stdout] 419 | fn is_none(&self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serpyco-rs` (lib test) due to 4 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 [INFO] [stdout] --> src/validator/types.rs:78:33 [INFO] [stdout] | [INFO] [stdout] 78 | fn should_use_ref(&self) -> bool { [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 [INFO] [stdout] --> src/validator/types.rs:411:18 [INFO] [stdout] | [INFO] [stdout] 411 | fn none() -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/validator/types.rs:415:42 [INFO] [stdout] | [INFO] [stdout] 415 | fn some(value: &Bound<'_, PyAny>) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/validator/types.rs:419:26 [INFO] [stdout] | [INFO] [stdout] 419 | fn is_none(&self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serpyco-rs` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "e8415114bc28568090040917cef6acc1b61248b2b4ce33591fac6248dc3fa4dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8415114bc28568090040917cef6acc1b61248b2b4ce33591fac6248dc3fa4dd", kill_on_drop: false }` [INFO] [stdout] e8415114bc28568090040917cef6acc1b61248b2b4ce33591fac6248dc3fa4dd