[INFO] fetching crate fancy_slice 0.1.2...
[INFO] testing fancy_slice-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fancy_slice 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fancy_slice 0.1.2
[INFO] finished tweaking crates.io crate fancy_slice 0.1.2
[INFO] tweaked toml for crates.io crate fancy_slice 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fancy_slice 0.1.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ab968dfb53791408367d1621391871c99429c6fc2f6c59d8f0a30ce64c444306
[INFO] running `Command { std: "docker" "start" "-a" "ab968dfb53791408367d1621391871c99429c6fc2f6c59d8f0a30ce64c444306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab968dfb53791408367d1621391871c99429c6fc2f6c59d8f0a30ce64c444306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab968dfb53791408367d1621391871c99429c6fc2f6c59d8f0a30ce64c444306", kill_on_drop: false }`
[INFO] [stdout] ab968dfb53791408367d1621391871c99429c6fc2f6c59d8f0a30ce64c444306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c6f5ffe1cc7e37590cbb35f1495ae5cf5c60c9dbee64fd593eb6f431c397175a
[INFO] running `Command { std: "docker" "start" "-a" "c6f5ffe1cc7e37590cbb35f1495ae5cf5c60c9dbee64fd593eb6f431c397175a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fancy_slice v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/simple.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(data: &[u8]) -> FancySlice {
[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] 12 |     pub fn new(data: &[u8]) -> FancySlice<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/simple.rs:16:69
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice {
[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] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice<'_> {
[INFO] [stdout]    |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c6f5ffe1cc7e37590cbb35f1495ae5cf5c60c9dbee64fd593eb6f431c397175a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f5ffe1cc7e37590cbb35f1495ae5cf5c60c9dbee64fd593eb6f431c397175a", kill_on_drop: false }`
[INFO] [stdout] c6f5ffe1cc7e37590cbb35f1495ae5cf5c60c9dbee64fd593eb6f431c397175a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e48b065cee050ec948947b1f36a76db6edf4a839458d75285e971e4736b0bb4
[INFO] running `Command { std: "docker" "start" "-a" "6e48b065cee050ec948947b1f36a76db6edf4a839458d75285e971e4736b0bb4", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/simple.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(data: &[u8]) -> FancySlice {
[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] 12 |     pub fn new(data: &[u8]) -> FancySlice<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/simple.rs:16:69
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice {
[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] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice<'_> {
[INFO] [stdout]    |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fancy_slice v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/simple.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(data: &[u8]) -> FancySlice {
[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] 12 |     pub fn new(data: &[u8]) -> FancySlice<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/simple.rs:16:69
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice {
[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] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice<'_> {
[INFO] [stdout]    |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6e48b065cee050ec948947b1f36a76db6edf4a839458d75285e971e4736b0bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e48b065cee050ec948947b1f36a76db6edf4a839458d75285e971e4736b0bb4", kill_on_drop: false }`
[INFO] [stdout] 6e48b065cee050ec948947b1f36a76db6edf4a839458d75285e971e4736b0bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 89de5c61821879d8c56e98b69b9588eb4f5d7142d64f27951f3049e71b4e4260
[INFO] running `Command { std: "docker" "start" "-a" "89de5c61821879d8c56e98b69b9588eb4f5d7142d64f27951f3049e71b4e4260", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/simple.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(data: &[u8]) -> FancySlice {
[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] 12 |     pub fn new(data: &[u8]) -> FancySlice<'_> {
[INFO] [stderr]    |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/simple.rs:16:69
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice {
[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] 16 |     pub fn relative_fancy_slice<I: SliceIndex<[u8], Output = [u8]>>(&self, range: I) -> FancySlice<'_> {
[INFO] [stderr]    |                                                                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fancy_slice` (lib) generated 2 warnings (run `cargo fix --lib -p fancy_slice` to apply 2 suggestions)
[INFO] [stderr] warning: `fancy_slice` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fancy_slice-9173ea609bdfb35c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-3dcac5e729ef801c)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 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 test ... ok
[INFO] [stdout] test test_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fancy_slice
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89de5c61821879d8c56e98b69b9588eb4f5d7142d64f27951f3049e71b4e4260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89de5c61821879d8c56e98b69b9588eb4f5d7142d64f27951f3049e71b4e4260", kill_on_drop: false }`
[INFO] [stdout] 89de5c61821879d8c56e98b69b9588eb4f5d7142d64f27951f3049e71b4e4260
