[INFO] fetching crate tracing-logrotate 0.1.1...
[INFO] checking tracing-logrotate-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tracing-logrotate 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tracing-logrotate 0.1.1
[INFO] finished tweaking crates.io crate tracing-logrotate 0.1.1
[INFO] tweaked toml for crates.io crate tracing-logrotate 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-logrotate 0.1.1 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 tracing-logrotate 0.1.1 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-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] 881fde6edcf10a9c5f6b0ec17f29f8ebe55681d36d602b163d99c44d8ed5da57
[INFO] running `Command { std: "docker" "start" "-a" "881fde6edcf10a9c5f6b0ec17f29f8ebe55681d36d602b163d99c44d8ed5da57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881fde6edcf10a9c5f6b0ec17f29f8ebe55681d36d602b163d99c44d8ed5da57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881fde6edcf10a9c5f6b0ec17f29f8ebe55681d36d602b163d99c44d8ed5da57", kill_on_drop: false }`
[INFO] [stdout] 881fde6edcf10a9c5f6b0ec17f29f8ebe55681d36d602b163d99c44d8ed5da57
[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] a174d54e431b0eebb7bf96d20064347b33632eb5287cd8b905816c18d97937d6
[INFO] running `Command { std: "docker" "start" "-a" "a174d54e431b0eebb7bf96d20064347b33632eb5287cd8b905816c18d97937d6", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking testresult v0.4.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking test-temp-dir v0.3.5
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking tracing-test v0.2.5
[INFO] [stderr]     Checking tracing-logrotate v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, TestError>, BTreeSet<std::string::String>>
[INFO] [stdout]    --> src/lib.rs:757:26
[INFO] [stdout]     |
[INFO] [stdout] 757 |               let actual = fs::read_dir(&self.dir)?
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 758 | |                 .map(|ent| {
[INFO] [stdout] 759 | |                     let leaf = PathBuf::from(ent?.file_name())
[INFO] [stdout] 760 | |                         .to_str().expect("non-utf8").to_owned();
[INFO] [stdout] ...   |
[INFO] [stdout] 763 | |                 .filter_ok(|f| !(f == "." || f == ".."))
[INFO] [stdout] 764 | |                 .collect::<Result<BTreeSet<_>, _>>()?;
[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<BTreeSet<std::string::String>, TestError>
[INFO] [stdout]    --> src/lib.rs:757:26
[INFO] [stdout]     |
[INFO] [stdout] 757 |               let actual = fs::read_dir(&self.dir)?
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 758 | |                 .map(|ent| {
[INFO] [stdout] 759 | |                     let leaf = PathBuf::from(ent?.file_name())
[INFO] [stdout] 760 | |                         .to_str().expect("non-utf8").to_owned();
[INFO] [stdout] ...   |
[INFO] [stdout] 763 | |                 .filter_ok(|f| !(f == "." || f == ".."))
[INFO] [stdout] 764 | |                 .collect::<Result<BTreeSet<_>, _>>()?;
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, TestError>
[INFO] [stdout]    --> src/lib.rs:758:28
[INFO] [stdout]     |
[INFO] [stdout] 758 |                   .map(|ent| {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 759 | |                     let leaf = PathBuf::from(ent?.file_name())
[INFO] [stdout] 760 | |                         .to_str().expect("non-utf8").to_owned();
[INFO] [stdout] 761 | |                     Ok::<_, TestError>(leaf)
[INFO] [stdout] 762 | |                 })
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, TestError>
[INFO] [stdout]    --> src/lib.rs:759:46
[INFO] [stdout]     |
[INFO] [stdout] 759 |                     let leaf = PathBuf::from(ent?.file_name())
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, TestError>
[INFO] [stdout]    --> src/lib.rs:761:21
[INFO] [stdout]     |
[INFO] [stdout] 761 |                     Ok::<_, TestError>(leaf)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:790:45
[INFO] [stdout]     |
[INFO] [stdout] 790 |       fn setup(dir: &Path) -> TestResult<Ctx> {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 791 | |         let tprov = TimeProviderInner::new_for_test();
[INFO] [stdout] 792 | |         Ctx::new(dir, tprov)
[INFO] [stdout] 793 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:792:9
[INFO] [stdout]     |
[INFO] [stdout] 792 |         Ctx::new(dir, tprov)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:799:31
[INFO] [stdout]     |
[INFO] [stdout] 799 |           ) -> TestResult<Self> {
[INFO] [stdout]     |  _______________________________^
[INFO] [stdout] 800 | |             Ctx::new_with_levels(dir, usual_levels(), tprov)
[INFO] [stdout] 801 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:800:13
[INFO] [stdout]     |
[INFO] [stdout] 800 |             Ctx::new_with_levels(dir, usual_levels(), tprov)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:807:31
[INFO] [stdout]     |
[INFO] [stdout] 807 |           ) -> TestResult<Self> {
[INFO] [stdout]     |  _______________________________^
[INFO] [stdout] 808 | |             let a = Appender::new_with_time_provider(
[INFO] [stdout] 809 | |                 dir.to_owned(),
[INFO] [stdout] 810 | |                 &levels,
[INFO] [stdout] ...   |
[INFO] [stdout] 814 | |             Ok(Ctx { a, tprov, dir: dir.to_owned() })
[INFO] [stdout] 815 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:808:21
[INFO] [stdout]     |
[INFO] [stdout] 808 |               let a = Appender::new_with_time_provider(
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 809 | |                 dir.to_owned(),
[INFO] [stdout] 810 | |                 &levels,
[INFO] [stdout] 811 | |                 TimeProvider::Test(tprov.clone()),
[INFO] [stdout] 812 | |             )?;
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:814:13
[INFO] [stdout]     |
[INFO] [stdout] 814 |             Ok(Ctx { a, tprov, dir: dir.to_owned() })
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, TestError>, Ctx>
[INFO] [stdout]    --> src/lib.rs:829:17
[INFO] [stdout]     |
[INFO] [stdout] 829 |         let c = setup(dir)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:829:17
[INFO] [stdout]     |
[INFO] [stdout] 829 |         let c = setup(dir)?;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, TestError>, Ctx>
[INFO] [stdout]    --> src/lib.rs:847:17
[INFO] [stdout]     |
[INFO] [stdout] 847 |         let c = setup(dir)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:847:17
[INFO] [stdout]     |
[INFO] [stdout] 847 |         let c = setup(dir)?;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, TestError>, Ctx>
[INFO] [stdout]    --> src/lib.rs:878:17
[INFO] [stdout]     |
[INFO] [stdout] 878 |         let c = setup(dir)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:878:17
[INFO] [stdout]     |
[INFO] [stdout] 878 |         let c = setup(dir)?;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, TestError>, Ctx>
[INFO] [stdout]    --> src/lib.rs:885:17
[INFO] [stdout]     |
[INFO] [stdout] 885 |         let c = Ctx::new(&dir, tprov)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:885:17
[INFO] [stdout]     |
[INFO] [stdout] 885 |         let c = Ctx::new(&dir, tprov)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, TestError>, Ctx>
[INFO] [stdout]    --> src/lib.rs:905:17
[INFO] [stdout]     |
[INFO] [stdout] 905 |           let c = Ctx::new_with_levels(
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 906 | |             &dir,
[INFO] [stdout] 907 | |             izip!(
[INFO] [stdout] 908 | |                 levels.into_iter().cycle(),
[INFO] [stdout] ...   |
[INFO] [stdout] 913 | |             TimeProviderInner::new_for_test(),
[INFO] [stdout] 914 | |         )?;
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:905:17
[INFO] [stdout]     |
[INFO] [stdout] 905 |           let c = Ctx::new_with_levels(
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 906 | |             &dir,
[INFO] [stdout] 907 | |             izip!(
[INFO] [stdout] 908 | |                 levels.into_iter().cycle(),
[INFO] [stdout] ...   |
[INFO] [stdout] 913 | |             TimeProviderInner::new_for_test(),
[INFO] [stdout] 914 | |         )?;
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, TestError>, Ctx>
[INFO] [stdout]    --> src/lib.rs:932:17
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let c = Ctx::new(&dir, tprov)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ctx, TestError>
[INFO] [stdout]    --> src/lib.rs:932:17
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let c = Ctx::new(&dir, tprov)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-logrotate` (lib test) due to 24 previous errors
[INFO] running `Command { std: "docker" "inspect" "a174d54e431b0eebb7bf96d20064347b33632eb5287cd8b905816c18d97937d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a174d54e431b0eebb7bf96d20064347b33632eb5287cd8b905816c18d97937d6", kill_on_drop: false }`
[INFO] [stdout] a174d54e431b0eebb7bf96d20064347b33632eb5287cd8b905816c18d97937d6
