[INFO] fetching crate output_iter 0.1.0...
[INFO] testing output_iter-0.1.0 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[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 db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea8cd0dd596014fe0ce74328996fa49ccf36c71cb8ba210a0129c90fd1106c2
[INFO] running `Command { std: "docker" "start" "-a" "eea8cd0dd596014fe0ce74328996fa49ccf36c71cb8ba210a0129c90fd1106c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea8cd0dd596014fe0ce74328996fa49ccf36c71cb8ba210a0129c90fd1106c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea8cd0dd596014fe0ce74328996fa49ccf36c71cb8ba210a0129c90fd1106c2", kill_on_drop: false }`
[INFO] [stdout] eea8cd0dd596014fe0ce74328996fa49ccf36c71cb8ba210a0129c90fd1106c2
[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=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0273006635c1b7f95ecbf5c201e63e95644df7c1fe4f057f457269b4767d320f
[INFO] running `Command { std: "docker" "start" "-a" "0273006635c1b7f95ecbf5c201e63e95644df7c1fe4f057f457269b4767d320f", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "0273006635c1b7f95ecbf5c201e63e95644df7c1fe4f057f457269b4767d320f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0273006635c1b7f95ecbf5c201e63e95644df7c1fe4f057f457269b4767d320f", kill_on_drop: false }`
[INFO] [stdout] 0273006635c1b7f95ecbf5c201e63e95644df7c1fe4f057f457269b4767d320f
[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=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ade550358ce83daeb07376d48fc0e71052d45dbb1b43cc5e24cbf36c66ae163
[INFO] running `Command { std: "docker" "start" "-a" "0ade550358ce83daeb07376d48fc0e71052d45dbb1b43cc5e24cbf36c66ae163", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "0ade550358ce83daeb07376d48fc0e71052d45dbb1b43cc5e24cbf36c66ae163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ade550358ce83daeb07376d48fc0e71052d45dbb1b43cc5e24cbf36c66ae163", kill_on_drop: false }`
[INFO] [stdout] 0ade550358ce83daeb07376d48fc0e71052d45dbb1b43cc5e24cbf36c66ae163
[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=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02fc8ea5cc3c216bf4c69487a6d79f421d0dc7175ba2091a78a687bb372dcaa4
[INFO] running `Command { std: "docker" "start" "-a" "02fc8ea5cc3c216bf4c69487a6d79f421d0dc7175ba2091a78a687bb372dcaa4", 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] [stderr] warning: `output_iter` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/output_iter-c6b1492273421ee4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[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] [stderr]    Doc-tests output_iter
[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] 69 | 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 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "02fc8ea5cc3c216bf4c69487a6d79f421d0dc7175ba2091a78a687bb372dcaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02fc8ea5cc3c216bf4c69487a6d79f421d0dc7175ba2091a78a687bb372dcaa4", kill_on_drop: false }`
[INFO] [stdout] 02fc8ea5cc3c216bf4c69487a6d79f421d0dc7175ba2091a78a687bb372dcaa4
