[INFO] fetching crate pyo3-stub-gen 0.17.0...
[INFO] checking pyo3-stub-gen-0.17.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pyo3-stub-gen 0.17.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pyo3-stub-gen 0.17.0
[INFO] finished tweaking crates.io crate pyo3-stub-gen 0.17.0
[INFO] tweaked toml for crates.io crate pyo3-stub-gen 0.17.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyo3-stub-gen 0.17.0 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 pyo3-stub-gen 0.17.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 14f128c64a0781db53e7de8df1d0b8b05ff9eabf80becf1a33b4b872580edb98
[INFO] running `Command { std: "docker" "start" "-a" "14f128c64a0781db53e7de8df1d0b8b05ff9eabf80becf1a33b4b872580edb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f128c64a0781db53e7de8df1d0b8b05ff9eabf80becf1a33b4b872580edb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f128c64a0781db53e7de8df1d0b8b05ff9eabf80becf1a33b4b872580edb98", kill_on_drop: false }`
[INFO] [stdout] 14f128c64a0781db53e7de8df1d0b8b05ff9eabf80becf1a33b4b872580edb98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f733989d7b1f388b4665e435ce52f95e57c6afa57ef21a6e891714db450b556a
[INFO] running `Command { std: "docker" "start" "-a" "f733989d7b1f388b4665e435ce52f95e57c6afa57ef21a6e891714db450b556a", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling malachite-nz v0.4.22
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling pyo3-build-config v0.26.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rustpython-parser-vendored v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling lalrpop-util v0.20.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking serde_spanned v1.0.3
[INFO] [stderr]     Checking toml_datetime v0.7.3
[INFO] [stderr]     Checking toml_writer v1.0.4
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]     Checking inventory v0.3.21
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[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 numpy v0.26.0
[INFO] [stderr]     Checking toml_parser v1.0.4
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling unicode_names2_generator v1.3.0
[INFO] [stderr]    Compiling rustpython-parser v0.4.0
[INFO] [stderr]    Compiling malachite-base v0.4.22
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling unicode_names2 v1.3.0
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling is-macro v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]    Compiling rustpython-parser-core v0.4.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling pyo3-macros v0.26.0
[INFO] [stderr]    Compiling malachite-q v0.4.22
[INFO] [stderr]    Compiling malachite v0.4.22
[INFO] [stderr]    Compiling malachite-bigint v0.2.3
[INFO] [stderr]    Compiling rustpython-ast v0.4.0
[INFO] [stderr]    Compiling pyo3-stub-gen-derive v0.17.0
[INFO] [stderr]     Checking pyo3-stub-gen v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<RuleName, Infallible>
[INFO] [stdout]   --> src/generate/function.rs:78:42
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   let result = r.parse::<RuleName>().unwrap();
[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: std::result::Result<RuleName, Infallible>
[INFO] [stdout]   --> src/generate/method.rs:93:42
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...                   let result = r.parse::<RuleName>().unwrap();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:177:53
[INFO] [stdout]     |
[INFO] [stdout] 177 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 178 | |         let result = match s {
[INFO] [stdout] 179 | |             // MyPy error codes
[INFO] [stdout] 180 | |             "attr-defined" => Self::AttrDefined,
[INFO] [stdout] ...   |
[INFO] [stdout] 345 | |         Ok(result)
[INFO] [stdout] 346 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Ok(result)
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]   --> src/generate/function.rs:78:42
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   let result = r.parse::<RuleName>().unwrap();
[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: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]   --> src/generate/method.rs:93:42
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...                   let result = r.parse::<RuleName>().unwrap();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3-stub-gen` (lib) 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: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:177:53
[INFO] [stdout]     |
[INFO] [stdout] 177 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 178 | |         let result = match s {
[INFO] [stdout] 179 | |             // MyPy error codes
[INFO] [stdout] 180 | |             "attr-defined" => Self::AttrDefined,
[INFO] [stdout] ...   |
[INFO] [stdout] 345 | |         Ok(result)
[INFO] [stdout] 346 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Ok(result)
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:544:13
[INFO] [stdout]     |
[INFO] [stdout] 544 |             "attr-defined".parse::<RuleName>().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:550:13
[INFO] [stdout]     |
[INFO] [stdout] 550 |             "union-attr".parse::<RuleName>().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |             "reportGeneralTypeIssues".parse::<RuleName>().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:571:13
[INFO] [stdout]     |
[INFO] [stdout] 571 |             "unknown-rule".parse::<RuleName>().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:575:17
[INFO] [stdout]     |
[INFO] [stdout] 575 |         assert!("attr-defined".parse::<RuleName>().unwrap().is_known());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<rule_name::RuleName, Infallible>
[INFO] [stdout]    --> src/rule_name.rs:576:18
[INFO] [stdout]     |
[INFO] [stdout] 576 |         assert!(!"unknown-rule".parse::<RuleName>().unwrap().is_known());
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3-stub-gen` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "f733989d7b1f388b4665e435ce52f95e57c6afa57ef21a6e891714db450b556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f733989d7b1f388b4665e435ce52f95e57c6afa57ef21a6e891714db450b556a", kill_on_drop: false }`
[INFO] [stdout] f733989d7b1f388b4665e435ce52f95e57c6afa57ef21a6e891714db450b556a
