[INFO] cloning repository https://github.com/gechelberger/intervalsets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gechelberger/intervalsets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgechelberger%2Fintervalsets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgechelberger%2Fintervalsets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bece54ea5480d70f21c2c3832e7bb51c8879bb1b
[INFO] checking gechelberger/intervalsets 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%2Fgechelberger%2Fintervalsets" "/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/gechelberger/intervalsets
[INFO] finished tweaking git repo https://github.com/gechelberger/intervalsets
[INFO] tweaked toml for git repo https://github.com/gechelberger/intervalsets written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gechelberger/intervalsets 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 139 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[INFO] [stderr]       Adding ordered-float v4.6.0 (available: v5.1.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding serde-brief v0.1.1 (available: v0.2.0)
[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] c881aa5d82a493ce95b8ae5dd78bab08f7478bc843ea2ff89e597a6f7912dfdd
[INFO] running `Command { std: "docker" "start" "-a" "c881aa5d82a493ce95b8ae5dd78bab08f7478bc843ea2ff89e597a6f7912dfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c881aa5d82a493ce95b8ae5dd78bab08f7478bc843ea2ff89e597a6f7912dfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c881aa5d82a493ce95b8ae5dd78bab08f7478bc843ea2ff89e597a6f7912dfdd", kill_on_drop: false }`
[INFO] [stdout] c881aa5d82a493ce95b8ae5dd78bab08f7478bc843ea2ff89e597a6f7912dfdd
[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] 52d757fe1e033f116e2c0dd4241c29a0d5cb9b9ecaa3d42bf62556fb3f9bdd96
[INFO] running `Command { std: "docker" "start" "-a" "52d757fe1e033f116e2c0dd4241c29a0d5cb9b9ecaa3d42bf62556fb3f9bdd96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling bigdecimal v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]    Compiling rust_decimal v1.39.0
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling ptr_meta_derive v0.3.1
[INFO] [stderr]    Compiling bytecheck_derive v0.8.2
[INFO] [stderr]    Compiling quickcheck_macros v1.1.0
[INFO] [stderr]    Compiling munge_macro v0.4.7
[INFO] [stderr]    Compiling rkyv_derive v0.8.12
[INFO] [stderr]     Checking ptr_meta v0.3.1
[INFO] [stderr]     Checking rancor v0.1.1
[INFO] [stderr]     Checking munge v0.4.7
[INFO] [stderr]     Checking bytecheck v0.8.2
[INFO] [stderr]     Checking rend v0.5.3
[INFO] [stderr]     Checking zerocopy v0.8.27
[INFO] [stderr]     Checking intervalsets-core v0.1.0-alpha.2 (/opt/rustwide/workdir/intervalsets-core)
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | /     {
[INFO] [stdout] 111 | |         let mut iter = iter.into_iter();
[INFO] [stdout] 112 | |
[INFO] [stdout] 113 | |         let (mut left, mut right) = loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 137 | |         unsafe { Ok(Self::new_unchecked(left, right)) }
[INFO] [stdout] 138 | |     }
[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<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:115:32
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 None => return Ok(Self::empty()),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         unsafe { Ok(Self::new_unchecked(left, right)) }
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |         unsafe { Ok(Self::new_unchecked(left, right)) }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:144:92
[INFO] [stdout]     |
[INFO] [stdout] 144 |       fn strict_hull<U: IntoIterator<Item = &'a Self>>(iter: U) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________________________^
[INFO] [stdout] 145 | |         let mut iter = iter.into_iter();
[INFO] [stdout] 146 | |
[INFO] [stdout] 147 | |         let (mut left, mut right) = loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |         unsafe { Ok(Self::new_unchecked(left.clone(), right.clone())) }
[INFO] [stdout] 169 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 None => return Ok(Self::empty()),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         unsafe { Ok(Self::new_unchecked(left.clone(), right.clone())) }
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout] 168 |         unsafe { Ok(Self::new_unchecked(left.clone(), right.clone())) }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::EnumInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:276:36
[INFO] [stdout]     |
[INFO] [stdout] 276 |       ) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 277 | |         FiniteInterval::strict_hull(iter).map(EnumInterval::from)
[INFO] [stdout] 278 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::EnumInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         FiniteInterval::strict_hull(iter).map(EnumInterval::from)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<sets::FiniteInterval<T>, Infallible>
[INFO] [stdout]    --> intervalsets-core/src/ops/hull.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         FiniteInterval::strict_hull(iter).map(EnumInterval::from)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intervalsets-core` (lib) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52d757fe1e033f116e2c0dd4241c29a0d5cb9b9ecaa3d42bf62556fb3f9bdd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d757fe1e033f116e2c0dd4241c29a0d5cb9b9ecaa3d42bf62556fb3f9bdd96", kill_on_drop: false }`
[INFO] [stdout] 52d757fe1e033f116e2c0dd4241c29a0d5cb9b9ecaa3d42bf62556fb3f9bdd96
