[INFO] fetching crate nonempty 0.12.0...
[INFO] testing nonempty-0.12.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate nonempty 0.12.0 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nonempty 0.12.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7394227524ac77dc65a98d3585b53770e265c61c3042e9d793623e80565561f
[INFO] running `Command { std: "docker" "start" "-a" "b7394227524ac77dc65a98d3585b53770e265c61c3042e9d793623e80565561f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7394227524ac77dc65a98d3585b53770e265c61c3042e9d793623e80565561f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7394227524ac77dc65a98d3585b53770e265c61c3042e9d793623e80565561f", kill_on_drop: false }`
[INFO] [stdout] b7394227524ac77dc65a98d3585b53770e265c61c3042e9d793623e80565561f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a983a2a05768d2b9b7cee7925454c600bc02a2daf04da8dd2b907f2e3fff274b
[INFO] running `Command { std: "docker" "start" "-a" "a983a2a05768d2b9b7cee7925454c600bc02a2daf04da8dd2b907f2e3fff274b", 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" "a983a2a05768d2b9b7cee7925454c600bc02a2daf04da8dd2b907f2e3fff274b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a983a2a05768d2b9b7cee7925454c600bc02a2daf04da8dd2b907f2e3fff274b", kill_on_drop: false }`
[INFO] [stdout] a983a2a05768d2b9b7cee7925454c600bc02a2daf04da8dd2b907f2e3fff274b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db0ae28567232a5b1793201e738736243a42f60d0f7cdc05684dcd7f07b0991
[INFO] running `Command { std: "docker" "start" "-a" "5db0ae28567232a5b1793201e738736243a42f60d0f7cdc05684dcd7f07b0991", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.141
[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 5.04s
[INFO] running `Command { std: "docker" "inspect" "5db0ae28567232a5b1793201e738736243a42f60d0f7cdc05684dcd7f07b0991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db0ae28567232a5b1793201e738736243a42f60d0f7cdc05684dcd7f07b0991", kill_on_drop: false }`
[INFO] [stdout] 5db0ae28567232a5b1793201e738736243a42f60d0f7cdc05684dcd7f07b0991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59e80cf1837afb567a0df6d846ddc25cdf859322b7dadea7c91725d4599ce63a
[INFO] running `Command { std: "docker" "start" "-a" "59e80cf1837afb567a0df6d846ddc25cdf859322b7dadea7c91725d4599ce63a", 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nonempty-10a5b259bf9e4967)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_from_conversion ... ok
[INFO] [stdout] test tests::test_iter_syntax ... ok
[INFO] [stdout] test tests::test_iter_both_directions_at_once ... ok
[INFO] [stdout] test tests::test_into_iter ... ok
[INFO] [stdout] test tests::test_iter_both_directions ... ok
[INFO] [stdout] test tests::test_nontrivial_minimum_by_key ... ok
[INFO] [stdout] test tests::test_mutate_head ... ok
[INFO] [stdout] test tests::test_sort ... ok
[INFO] [stdout] test tests::test_to_nonempty ... ok
[INFO] [stdout] test tests::test_try_map ... ok
[INFO] [stderr]    Doc-tests nonempty
[INFO] [stdout] test nonzero::tests::test_nonzero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::from_slice (line 462) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::first_mut (line 268) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::append (line 565) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... 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>::from_vec (line 491) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::index (line 1025) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::flat_map (line 625) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::flatten (line 658) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search_by (line 729) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::contains (line 374) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search (line 684) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search_by_key (line 774) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::insert (line 318) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::split (line 539) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum (line 805) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum_by_key (line 899) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum (line 827) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum_by (line 877) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::sort (line 950) ... ok
[INFO] [stdout] test src/lib.rs - nonempty (line 115) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::iter (line 413) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum_by (line 849) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::iter_mut (line 433) ... 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] test src/lib.rs - NonEmpty<T>::minimum_by_key (line 923) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::map (line 587) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59e80cf1837afb567a0df6d846ddc25cdf859322b7dadea7c91725d4599ce63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e80cf1837afb567a0df6d846ddc25cdf859322b7dadea7c91725d4599ce63a", kill_on_drop: false }`
[INFO] [stdout] 59e80cf1837afb567a0df6d846ddc25cdf859322b7dadea7c91725d4599ce63a