[INFO] fetching crate desaturate 0.0.4...
[INFO] testing desaturate-0.0.4 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate desaturate 0.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate desaturate 0.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate desaturate 0.0.4
[INFO] tweaked toml for crates.io crate desaturate 0.0.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate desaturate 0.0.4 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate desaturate 0.0.4 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded desaturate-macros v0.0.3
[INFO] [stderr]   Downloaded hermit-abi v0.3.4
[INFO] [stderr]   Downloaded syn v2.0.49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b48db23bcb94ba834611878acda8eb213f9bef1a0fdc5b918237296bc9566b89
[INFO] running `Command { std: "docker" "start" "-a" "b48db23bcb94ba834611878acda8eb213f9bef1a0fdc5b918237296bc9566b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b48db23bcb94ba834611878acda8eb213f9bef1a0fdc5b918237296bc9566b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48db23bcb94ba834611878acda8eb213f9bef1a0fdc5b918237296bc9566b89", kill_on_drop: false }`
[INFO] [stdout] b48db23bcb94ba834611878acda8eb213f9bef1a0fdc5b918237296bc9566b89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b9319c954ffbeb92b360c7bcc5348c3dad8258c5d0ec4c1ecd86d4c6d27d3b
[INFO] running `Command { std: "docker" "start" "-a" "b2b9319c954ffbeb92b360c7bcc5348c3dad8258c5d0ec4c1ecd86d4c6d27d3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling desaturate-macros v0.0.3
[INFO] [stderr]    Compiling desaturate v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `Command { std: "docker" "inspect" "b2b9319c954ffbeb92b360c7bcc5348c3dad8258c5d0ec4c1ecd86d4c6d27d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b9319c954ffbeb92b360c7bcc5348c3dad8258c5d0ec4c1ecd86d4c6d27d3b", kill_on_drop: false }`
[INFO] [stdout] b2b9319c954ffbeb92b360c7bcc5348c3dad8258c5d0ec4c1ecd86d4c6d27d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05819e640fcbe00cd0a772474712eb032d0fce88dc53c2e8ef68be20ca4caea
[INFO] running `Command { std: "docker" "start" "-a" "e05819e640fcbe00cd0a772474712eb032d0fce88dc53c2e8ef68be20ca4caea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling desaturate v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:366:41
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn do_stuff_with_pointer<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stdout]     |                                         ^^                                 -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 366 -     fn do_stuff_with_pointer<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stdout] 366 +     fn do_stuff_with_pointer<'a>(with: &'a i32) -> impl Desaturated<i32> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:371:59
[INFO] [stdout]     |
[INFO] [stdout] 371 |     fn do_stuff_with_pointer_in_inner_function<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stdout]     |                                                           ^^                                 -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 371 -     fn do_stuff_with_pointer_in_inner_function<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stdout] 371 +     fn do_stuff_with_pointer_in_inner_function<'a>(with: &'a i32) -> impl Desaturated<i32> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "e05819e640fcbe00cd0a772474712eb032d0fce88dc53c2e8ef68be20ca4caea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05819e640fcbe00cd0a772474712eb032d0fce88dc53c2e8ef68be20ca4caea", kill_on_drop: false }`
[INFO] [stdout] e05819e640fcbe00cd0a772474712eb032d0fce88dc53c2e8ef68be20ca4caea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c09b93ab92d8b3d0334f9f694c29b002404180090ccb28db0d6843720110716
[INFO] running `Command { std: "docker" "start" "-a" "4c09b93ab92d8b3d0334f9f694c29b002404180090ccb28db0d6843720110716", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:366:41
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn do_stuff_with_pointer<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stderr]     |                                         ^^                                 -- the lifetime gets resolved as `'a`
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 366 -     fn do_stuff_with_pointer<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stderr] 366 +     fn do_stuff_with_pointer<'a>(with: &'a i32) -> impl Desaturated<i32> + 'a {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:371:59
[INFO] [stderr]     |
[INFO] [stderr] 371 |     fn do_stuff_with_pointer_in_inner_function<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stderr]     |                                                           ^^                                 -- the lifetime gets resolved as `'a`
[INFO] [stderr]     |                                                           |
[INFO] [stderr]     |                                                           this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 371 -     fn do_stuff_with_pointer_in_inner_function<'a>(with: &'a i32) -> impl Desaturated<i32> + '_ {
[INFO] [stderr] 371 +     fn do_stuff_with_pointer_in_inner_function<'a>(with: &'a i32) -> impl Desaturated<i32> + 'a {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `desaturate` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/desaturate-05123100b649ecd2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::can_take_pointer ... ignored
[INFO] [stdout] test tests::it_always_builds ... ignored
[INFO] [stdout] test tests::normal_returns_right ... ignored
[INFO] [stderr]    Doc-tests desaturate
[INFO] [stdout] test tests::async_can_take_pointer ... ok
[INFO] [stdout] test tests::async_returns_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 110) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 110) stdout ----
[INFO] [stdout] fn do_nothing() -> impl :: desaturate :: Desaturated < () >
[INFO] [stdout] {
[INFO] [stdout]     :: desaturate :: IntoDesaturated ::
[INFO] [stdout]     desaturate(async move {}, || unreachable!
[INFO] [stdout]     ("Tried to call Desaturated from do_nothing when desaturate wasn't compiled with \"blocking\""))
[INFO] [stdout] }
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]   --> src/lib.rs:128:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     #[for_blocking] { something = arg + 1 }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout]    = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-07-04; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]   --> src/lib.rs:129:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[for_async] { something = arg - 1 }
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout]    = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-07-04; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `for_async` in this scope
[INFO] [stdout]   --> src/lib.rs:129:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[for_async] { something = arg - 1 }
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `for_blocking` in this scope
[INFO] [stdout]   --> src/lib.rs:128:7
[INFO] [stdout]    |
[INFO] [stdout] 20 |     #[for_blocking] { something = arg + 1 }
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]   --> src/lib.rs:128:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     #[for_blocking] { something = arg + 1 }
[INFO] [stdout]    |                                   ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]   --> src/lib.rs:129:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[for_async] { something = arg - 1 }
[INFO] [stdout]    |                                ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `call` exists for opaque type `impl Desaturated<i32>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:135:34
[INFO] [stdout]    |
[INFO] [stdout] 27 | assert_eq!(6, target_specific(5).call());
[INFO] [stdout]    |                                  ^^^^ method cannot be called on `impl Desaturated<i32>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `<impl Desaturated<i32> as FnOnce<()>>::Output = _`
[INFO] [stdout]            which is required by `impl Desaturated<i32>: Blocking<_>`
[INFO] [stdout]            `impl Desaturated<i32>: FnOnce<()>`
[INFO] [stdout]            which is required by `impl Desaturated<i32>: Blocking<_>`
[INFO] [stdout]            `<&impl Desaturated<i32> as FnOnce<()>>::Output = _`
[INFO] [stdout]            which is required by `&impl Desaturated<i32>: Blocking<_>`
[INFO] [stdout]            `&impl Desaturated<i32>: FnOnce<()>`
[INFO] [stdout]            which is required by `&impl Desaturated<i32>: Blocking<_>`
[INFO] [stdout]            `<&mut impl Desaturated<i32> as FnOnce<()>>::Output = _`
[INFO] [stdout]            which is required by `&mut impl Desaturated<i32>: Blocking<_>`
[INFO] [stdout]            `&mut impl Desaturated<i32>: FnOnce<()>`
[INFO] [stdout]            which is required by `&mut impl Desaturated<i32>: Blocking<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 110)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4c09b93ab92d8b3d0334f9f694c29b002404180090ccb28db0d6843720110716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c09b93ab92d8b3d0334f9f694c29b002404180090ccb28db0d6843720110716", kill_on_drop: false }`
[INFO] [stdout] 4c09b93ab92d8b3d0334f9f694c29b002404180090ccb28db0d6843720110716
