[INFO] fetching crate nonempty 0.12.0...
[INFO] testing nonempty-0.12.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate nonempty 0.12.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate nonempty 0.12.0
[INFO] finished tweaking crates.io crate nonempty 0.12.0
[INFO] tweaked toml for crates.io crate nonempty 0.12.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nonempty 0.12.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nonempty 0.12.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded bincode v2.0.1
[INFO] [stderr]   Downloaded derive_arbitrary v1.4.1
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded serde_json v1.0.141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de47ad1995d77cdfd1a3a5d146c9cba06c634934823d6420c14b8ce3ec152aa3
[INFO] running `Command { std: "docker" "start" "-a" "de47ad1995d77cdfd1a3a5d146c9cba06c634934823d6420c14b8ce3ec152aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de47ad1995d77cdfd1a3a5d146c9cba06c634934823d6420c14b8ce3ec152aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de47ad1995d77cdfd1a3a5d146c9cba06c634934823d6420c14b8ce3ec152aa3", kill_on_drop: false }`
[INFO] [stdout] de47ad1995d77cdfd1a3a5d146c9cba06c634934823d6420c14b8ce3ec152aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc192fa52f31fe2ebb030da0618fa76c88e5165d5206ef440a5861987215a5ab
[INFO] running `Command { std: "docker" "start" "-a" "bc192fa52f31fe2ebb030da0618fa76c88e5165d5206ef440a5861987215a5ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonempty v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn iter(&self) -> Iter<T> {
[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] 426 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "bc192fa52f31fe2ebb030da0618fa76c88e5165d5206ef440a5861987215a5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc192fa52f31fe2ebb030da0618fa76c88e5165d5206ef440a5861987215a5ab", kill_on_drop: false }`
[INFO] [stdout] bc192fa52f31fe2ebb030da0618fa76c88e5165d5206ef440a5861987215a5ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4cfc58b843624fe1ad36db03e91bbb834cf948a372cc5ff9f18dd8ce4cfe92e
[INFO] running `Command { std: "docker" "start" "-a" "e4cfc58b843624fe1ad36db03e91bbb834cf948a372cc5ff9f18dd8ce4cfe92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn iter(&self) -> Iter<T> {
[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] 426 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nonempty v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn iter(&self) -> Iter<T> {
[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] 426 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "e4cfc58b843624fe1ad36db03e91bbb834cf948a372cc5ff9f18dd8ce4cfe92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cfc58b843624fe1ad36db03e91bbb834cf948a372cc5ff9f18dd8ce4cfe92e", kill_on_drop: false }`
[INFO] [stdout] e4cfc58b843624fe1ad36db03e91bbb834cf948a372cc5ff9f18dd8ce4cfe92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ccc62772666b4768c7969a453bb65a340cde89d98672ace96dc6bf0808e89c1
[INFO] running `Command { std: "docker" "start" "-a" "3ccc62772666b4768c7969a453bb65a340cde89d98672ace96dc6bf0808e89c1", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:426:17
[INFO] [stderr]     |
[INFO] [stderr] 426 |     pub fn iter(&self) -> Iter<T> {
[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] 426 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `nonempty` (lib) generated 1 warning (run `cargo fix --lib -p nonempty` to apply 1 suggestion)
[INFO] [stderr] warning: `nonempty` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nonempty-10a5b259bf9e4967)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test nonzero::tests::test_nonzero ... ok
[INFO] [stdout] test tests::test_into_iter ... ok
[INFO] [stdout] test tests::test_from_conversion ... ok
[INFO] [stdout] test tests::test_iter_both_directions ... ok
[INFO] [stdout] test tests::test_iter_both_directions_at_once ... ok
[INFO] [stdout] test tests::test_iter_syntax ... ok
[INFO] [stdout] test tests::test_mutate_head ... ok
[INFO] [stdout] test tests::test_sort ... ok
[INFO] [stdout] test tests::test_nontrivial_minimum_by_key ... ok
[INFO] [stdout] test tests::test_to_nonempty ... ok
[INFO] [stdout] test tests::test_try_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nonempty
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search_by (line 729) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search (line 684) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search (line 698) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::contains (line 374) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::append (line 565) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search_by_key (line 774) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::flatten (line 658) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::first_mut (line 268) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::index (line 1025) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::insert (line 318) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::from_vec (line 491) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::from_slice (line 462) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::iter (line 413) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::iter_mut (line 433) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum_by_key (line 899) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::flat_map (line 625) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum_by (line 849) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum (line 805) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum_by (line 877) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum_by_key (line 923) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum (line 827) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::map (line 587) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::split (line 539) ... ok
[INFO] [stdout] test src/lib.rs - nonempty (line 115) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::sort (line 950) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::tail (line 287) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::split_first (line 515) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ccc62772666b4768c7969a453bb65a340cde89d98672ace96dc6bf0808e89c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccc62772666b4768c7969a453bb65a340cde89d98672ace96dc6bf0808e89c1", kill_on_drop: false }`
[INFO] [stdout] 3ccc62772666b4768c7969a453bb65a340cde89d98672ace96dc6bf0808e89c1