[INFO] fetching crate arpfloat 0.1.11...
[INFO] checking arpfloat-0.1.11 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate arpfloat 0.1.11 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate arpfloat 0.1.11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arpfloat 0.1.11
[INFO] tweaked toml for crates.io crate arpfloat 0.1.11 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arpfloat 0.1.11 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 arpfloat 0.1.11 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 097e743c2768b1d99ab4052d82a9de1cbc74c96aa7e0319652426089f9ea8444
[INFO] running `Command { std: "docker" "start" "-a" "097e743c2768b1d99ab4052d82a9de1cbc74c96aa7e0319652426089f9ea8444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097e743c2768b1d99ab4052d82a9de1cbc74c96aa7e0319652426089f9ea8444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097e743c2768b1d99ab4052d82a9de1cbc74c96aa7e0319652426089f9ea8444", kill_on_drop: false }`
[INFO] [stdout] 097e743c2768b1d99ab4052d82a9de1cbc74c96aa7e0319652426089f9ea8444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0006a7c679ad2d75f47e6779acf7f4068a0050ee9c4b2d3d9f0499007e5b4852
[INFO] running `Command { std: "docker" "start" "-a" "0006a7c679ad2d75f47e6779acf7f4068a0050ee9c4b2d3d9f0499007e5b4852", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling pyo3-build-config v0.24.1
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.1
[INFO] [stderr]    Compiling pyo3-ffi v0.24.1
[INFO] [stderr]    Compiling pyo3 v0.24.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling pyo3-macros v0.24.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking arpfloat v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/py.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_exponent_len(&self) -> usize {
[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<usize, Infallible>
[INFO] [stdout]   --> src/py.rs:43:35
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_mantissa_len(&self) -> usize {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/py.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn get_rounding_mode(&self) -> String {
[INFO] [stdout]    |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/py.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn get_mantissa(&self) -> u64 {
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/py.rs:103:31
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn get_exponent(&self) -> i64 {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/py.rs:107:31
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn get_category(&self) -> String {
[INFO] [stdout]     |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PySemantics, Infallible>
[INFO] [stdout]    --> src/py.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn get_semantics(&self) -> PySemantics {
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/py.rs:117:36
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn get_rounding_mode(&self) -> String {
[INFO] [stdout]     |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/py.rs:121:30
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn is_negative(&self) -> bool {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/py.rs:125:25
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn is_inf(&self) -> bool {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/py.rs:129:25
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn is_nan(&self) -> bool {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/py.rs:133:26
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn is_zero(&self) -> bool {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/py.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn is_normal(&self) -> bool {
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn add(&self, other: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:160:39
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn mul(&self, other: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:164:39
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn sub(&self, other: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:168:39
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn div(&self, other: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:173:33
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn powi(&self, exp: u64) -> PyFloat {
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:179:37
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn pow(&self, exp: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn exp(&self) -> PyFloat {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn log(&self) -> PyFloat {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn sigmoid(&self) -> PyFloat {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:203:22
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn abs(&self) -> PyFloat {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:209:39
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn max(&self, other: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:215:39
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn min(&self, other: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:221:39
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn rem(&self, other: &PyFloat) -> PyFloat {
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:227:47
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn cast(&self, sem: &Bound<'_, PyAny>) -> PyFloat {
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:234:65
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn cast_with_rm(&self, sem: &Bound<'_, PyAny>, rm: &str) -> PyFloat {
[INFO] [stdout]     |                                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn sin(&self) -> PyFloat {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:249:22
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn cos(&self) -> PyFloat {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<py::PyFloat, Infallible>
[INFO] [stdout]    --> src/py.rs:255:22
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn tan(&self) -> PyFloat {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/py.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn to_float64(&self) -> f64 {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(u64, u64), Infallible>
[INFO] [stdout]    --> src/py.rs:266:40
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn as_fraction(&self, n: usize) -> (u64, u64) {
[INFO] [stdout]     |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arpfloat` (lib) due to 33 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0006a7c679ad2d75f47e6779acf7f4068a0050ee9c4b2d3d9f0499007e5b4852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0006a7c679ad2d75f47e6779acf7f4068a0050ee9c4b2d3d9f0499007e5b4852", kill_on_drop: false }`
[INFO] [stdout] 0006a7c679ad2d75f47e6779acf7f4068a0050ee9c4b2d3d9f0499007e5b4852