[INFO] fetching crate output_iter 0.1.0...
[INFO] testing output_iter-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate output_iter 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate output_iter 0.1.0
[INFO] finished tweaking crates.io crate output_iter 0.1.0
[INFO] tweaked toml for crates.io crate output_iter 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate output_iter 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b5b339e206f3119f40f90cd97fd3d479f5c1a3cd9df66527eab54722ef6fe64
[INFO] running `Command { std: "docker" "start" "-a" "0b5b339e206f3119f40f90cd97fd3d479f5c1a3cd9df66527eab54722ef6fe64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b5b339e206f3119f40f90cd97fd3d479f5c1a3cd9df66527eab54722ef6fe64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5b339e206f3119f40f90cd97fd3d479f5c1a3cd9df66527eab54722ef6fe64", kill_on_drop: false }`
[INFO] [stdout] 0b5b339e206f3119f40f90cd97fd3d479f5c1a3cd9df66527eab54722ef6fe64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bafa632ae700bdcaf5340f204d8df2840d309f914e5e2ae1338b2cf215b6ed1
[INFO] running `Command { std: "docker" "start" "-a" "7bafa632ae700bdcaf5340f204d8df2840d309f914e5e2ae1338b2cf215b6ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling output_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits/output_iterator.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<Self> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<'_, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits/output_iterator.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<Self> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<'_, Self> {
[INFO] [stdout]    |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "7bafa632ae700bdcaf5340f204d8df2840d309f914e5e2ae1338b2cf215b6ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bafa632ae700bdcaf5340f204d8df2840d309f914e5e2ae1338b2cf215b6ed1", kill_on_drop: false }`
[INFO] [stdout] 7bafa632ae700bdcaf5340f204d8df2840d309f914e5e2ae1338b2cf215b6ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08a7aa5f3123ebfe4e25665c8853d0d3e7a294c8b727e1b67ffac3f098596bd5
[INFO] running `Command { std: "docker" "start" "-a" "08a7aa5f3123ebfe4e25665c8853d0d3e7a294c8b727e1b67ffac3f098596bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling output_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits/output_iterator.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<Self> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<'_, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits/output_iterator.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<Self> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<'_, Self> {
[INFO] [stdout]    |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits/output_iterator.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<Self> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<'_, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits/output_iterator.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<Self> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<'_, Self> {
[INFO] [stdout]    |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "08a7aa5f3123ebfe4e25665c8853d0d3e7a294c8b727e1b67ffac3f098596bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a7aa5f3123ebfe4e25665c8853d0d3e7a294c8b727e1b67ffac3f098596bd5", kill_on_drop: false }`
[INFO] [stdout] 08a7aa5f3123ebfe4e25665c8853d0d3e7a294c8b727e1b67ffac3f098596bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c414a5a7b0ebc4c07b8a41a53f67959986ee0184f102cc14f6f7744d0761102
[INFO] running `Command { std: "docker" "start" "-a" "0c414a5a7b0ebc4c07b8a41a53f67959986ee0184f102cc14f6f7744d0761102", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/traits/output_iterator.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<Self> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn into_iter(self, buf: &mut Self::Output) -> IntoIter<'_, Self> {
[INFO] [stderr]    |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/traits/output_iterator.rs:36:36
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<Self> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                    |
[INFO] [stderr]    |                                    the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn into_iter_option(self, buf: &mut Option<Self::Output>) -> IntoIterOption<'_, Self> {
[INFO] [stderr]    |                                                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `output_iter` (lib) generated 2 warnings (run `cargo fix --lib -p output_iter` to apply 2 suggestions)
[INFO] [stdout] 
[INFO] [stderr] warning: `output_iter` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/output_iter-05461b35301ca5c4)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests output_iter
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 68) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 68) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `item`
[INFO] [stdout]  --> src/lib.rs:69:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | Processing item: 5
[INFO] [stdout]   |            ^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 68)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0c414a5a7b0ebc4c07b8a41a53f67959986ee0184f102cc14f6f7744d0761102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c414a5a7b0ebc4c07b8a41a53f67959986ee0184f102cc14f6f7744d0761102", kill_on_drop: false }`
[INFO] [stdout] 0c414a5a7b0ebc4c07b8a41a53f67959986ee0184f102cc14f6f7744d0761102
