[INFO] fetching crate drain-while 0.1.0...
[INFO] testing drain-while-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate drain-while 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate drain-while 0.1.0
[INFO] finished tweaking crates.io crate drain-while 0.1.0
[INFO] tweaked toml for crates.io crate drain-while 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate drain-while 0.1.0 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 3 packages to latest compatible versions
[INFO] [stderr]       Adding easybench v0.1.4 (available: v1.1.1)
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 97d850ffed2b892847693ff4623b977784287a4cff4309485d320ebd125de4c8
[INFO] running `Command { std: "docker" "start" "-a" "97d850ffed2b892847693ff4623b977784287a4cff4309485d320ebd125de4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97d850ffed2b892847693ff4623b977784287a4cff4309485d320ebd125de4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d850ffed2b892847693ff4623b977784287a4cff4309485d320ebd125de4c8", kill_on_drop: false }`
[INFO] [stdout] 97d850ffed2b892847693ff4623b977784287a4cff4309485d320ebd125de4c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] eb99f51973eea402f15cb13662ef2cd499dc0620e5aaafce4d1297abe56264e6
[INFO] running `Command { std: "docker" "start" "-a" "eb99f51973eea402f15cb13662ef2cd499dc0620e5aaafce4d1297abe56264e6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling drain-while v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<T> where P: Fn(&T) -> bool;
[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] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<'_, T> where P: Fn(&T) -> bool;
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<T> where P: FnMut(&T) -> bool {
[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] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<'_, T> where P: FnMut(&T) -> bool {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "eb99f51973eea402f15cb13662ef2cd499dc0620e5aaafce4d1297abe56264e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb99f51973eea402f15cb13662ef2cd499dc0620e5aaafce4d1297abe56264e6", kill_on_drop: false }`
[INFO] [stdout] eb99f51973eea402f15cb13662ef2cd499dc0620e5aaafce4d1297abe56264e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ac7967c2500c82b080cbd2bfcefd23bb32e6550938ad45d014266706366d4f62
[INFO] running `Command { std: "docker" "start" "-a" "ac7967c2500c82b080cbd2bfcefd23bb32e6550938ad45d014266706366d4f62", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<T> where P: Fn(&T) -> bool;
[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] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<'_, T> where P: Fn(&T) -> bool;
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<T> where P: FnMut(&T) -> bool {
[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] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<'_, T> where P: FnMut(&T) -> bool {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling easybench v0.1.4
[INFO] [stderr]    Compiling drain-while v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<T> where P: Fn(&T) -> bool;
[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] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<'_, T> where P: Fn(&T) -> bool;
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<T> where P: FnMut(&T) -> bool {
[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] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<'_, T> where P: FnMut(&T) -> bool {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "ac7967c2500c82b080cbd2bfcefd23bb32e6550938ad45d014266706366d4f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7967c2500c82b080cbd2bfcefd23bb32e6550938ad45d014266706366d4f62", kill_on_drop: false }`
[INFO] [stdout] ac7967c2500c82b080cbd2bfcefd23bb32e6550938ad45d014266706366d4f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a220e41702029d0bd470e731d7967202a29b02a87db72d684157c3dd3fa8a6d6
[INFO] running `Command { std: "docker" "start" "-a" "a220e41702029d0bd470e731d7967202a29b02a87db72d684157c3dd3fa8a6d6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> lib.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<T> where P: Fn(&T) -> bool;
[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] 65 |     fn drain_while<P>(&mut self, pred: P) -> DrainWhile<'_, T> where P: Fn(&T) -> bool;
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> lib.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<T> where P: FnMut(&T) -> bool {
[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] 81 |     fn drain_while<P>(&mut self, mut pred: P) -> DrainWhile<'_, T> where P: FnMut(&T) -> bool {
[INFO] [stderr]    |                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: `drain-while` (lib) generated 2 warnings (run `cargo fix --lib -p drain-while` to apply 2 suggestions)
[INFO] [stderr] warning: `drain-while` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/drain_while-64a6be61a9cb362c)
[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] [stderr]    Doc-tests drain_while
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lib.rs - DrainWhileable::drain_while (line 46) ... ok
[INFO] [stdout] test lib.rs - DrainWhileable::drain_while (line 30) ... ok
[INFO] [stdout] test lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a220e41702029d0bd470e731d7967202a29b02a87db72d684157c3dd3fa8a6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a220e41702029d0bd470e731d7967202a29b02a87db72d684157c3dd3fa8a6d6", kill_on_drop: false }`
[INFO] [stdout] a220e41702029d0bd470e731d7967202a29b02a87db72d684157c3dd3fa8a6d6
