[INFO] fetching crate bracket_parse 0.1.4...
[INFO] testing bracket_parse-0.1.4 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate bracket_parse 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bracket_parse 0.1.4 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bracket_parse 0.1.4
[INFO] finished tweaking crates.io crate bracket_parse 0.1.4
[INFO] tweaked toml for crates.io crate bracket_parse 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d92361c2ee1c089b14394d4b5f41327035d40cad7640512f8e8570228f7a7875
[INFO] running `Command { std: "docker" "start" "-a" "d92361c2ee1c089b14394d4b5f41327035d40cad7640512f8e8570228f7a7875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92361c2ee1c089b14394d4b5f41327035d40cad7640512f8e8570228f7a7875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92361c2ee1c089b14394d4b5f41327035d40cad7640512f8e8570228f7a7875", kill_on_drop: false }`
[INFO] [stdout] d92361c2ee1c089b14394d4b5f41327035d40cad7640512f8e8570228f7a7875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105272a7fb68047e501f6fa23e7729809e32d64daeb1babceac5131fbfdea57f
[INFO] running `Command { std: "docker" "start" "-a" "105272a7fb68047e501f6fa23e7729809e32d64daeb1babceac5131fbfdea57f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bracket_parse v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/tail.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>EMPTY_B_SLICE.into_iter(),
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>EMPTY_B_SLICE.iter(),
[INFO] [stdout]    |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>IntoIterator::into_iter(EMPTY_B_SLICE),
[INFO] [stdout]    |                ++++++++++++++++++++++++             ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "105272a7fb68047e501f6fa23e7729809e32d64daeb1babceac5131fbfdea57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105272a7fb68047e501f6fa23e7729809e32d64daeb1babceac5131fbfdea57f", kill_on_drop: false }`
[INFO] [stdout] 105272a7fb68047e501f6fa23e7729809e32d64daeb1babceac5131fbfdea57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 523a70de41e355120cf99bf7a032bf79e792aba6067c439748760e698301a9ef
[INFO] running `Command { std: "docker" "start" "-a" "523a70de41e355120cf99bf7a032bf79e792aba6067c439748760e698301a9ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling bracket_parse v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/tail.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>EMPTY_B_SLICE.into_iter(),
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>EMPTY_B_SLICE.iter(),
[INFO] [stdout]    |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>IntoIterator::into_iter(EMPTY_B_SLICE),
[INFO] [stdout]    |                ++++++++++++++++++++++++             ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/tail.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>EMPTY_B_SLICE.into_iter(),
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>EMPTY_B_SLICE.iter(),
[INFO] [stdout]    |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             _=>IntoIterator::into_iter(EMPTY_B_SLICE),
[INFO] [stdout]    |                ++++++++++++++++++++++++             ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "523a70de41e355120cf99bf7a032bf79e792aba6067c439748760e698301a9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523a70de41e355120cf99bf7a032bf79e792aba6067c439748760e698301a9ef", kill_on_drop: false }`
[INFO] [stdout] 523a70de41e355120cf99bf7a032bf79e792aba6067c439748760e698301a9ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99a95caeb9e55909b15709245f518f17addbe739eaca66dc706920315580207e
[INFO] running `Command { std: "docker" "start" "-a" "99a95caeb9e55909b15709245f518f17addbe739eaca66dc706920315580207e", kill_on_drop: false }`
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]   --> src/tail.rs:72:30
[INFO] [stderr]    |
[INFO] [stderr] 72 |             _=>EMPTY_B_SLICE.into_iter(),
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 72 |             _=>EMPTY_B_SLICE.iter(),
[INFO] [stderr]    |                              ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 72 |             _=>IntoIterator::into_iter(EMPTY_B_SLICE),
[INFO] [stderr]    |                ++++++++++++++++++++++++             ~
[INFO] [stderr] 
[INFO] [stderr] warning: `bracket_parse` (lib) generated 1 warning (run `cargo fix --lib -p bracket_parse` to apply 1 suggestion)
[INFO] [stderr] warning: `bracket_parse` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bracket_parse-927cec137120fd08)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test iter::iter_tests::bracket_iter ... ok
[INFO] [stdout] test tests::errors ... ok
[INFO] [stdout] test tests::empty_parent ... ok
[INFO] [stdout] test tests::many_parent ... ok
[INFO] [stdout] test tests::many_tails ... ok
[INFO] [stdout] test tests::strings ... ok
[INFO] [stdout] test tests::test_to_string ... ok
[INFO] [stdout] test tests::test_head_tail ... ok
[INFO] [stdout] test tests::spaces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bracket_parse
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99a95caeb9e55909b15709245f518f17addbe739eaca66dc706920315580207e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a95caeb9e55909b15709245f518f17addbe739eaca66dc706920315580207e", kill_on_drop: false }`
[INFO] [stdout] 99a95caeb9e55909b15709245f518f17addbe739eaca66dc706920315580207e
