[INFO] fetching crate webvtt 0.2.0...
[INFO] testing webvtt-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate webvtt 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate webvtt 0.2.0
[INFO] finished tweaking crates.io crate webvtt 0.2.0
[INFO] tweaked toml for crates.io crate webvtt 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate webvtt 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c93c41c3b1cd08d200c43a56bfc89436d15240bde988df6290820f53773f6c6
[INFO] running `Command { std: "docker" "start" "-a" "6c93c41c3b1cd08d200c43a56bfc89436d15240bde988df6290820f53773f6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c93c41c3b1cd08d200c43a56bfc89436d15240bde988df6290820f53773f6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c93c41c3b1cd08d200c43a56bfc89436d15240bde988df6290820f53773f6c6", kill_on_drop: false }`
[INFO] [stdout] 6c93c41c3b1cd08d200c43a56bfc89436d15240bde988df6290820f53773f6c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a16ef96a4ee921c334f6ac07d75ad12d02433daf10c2e2ae3c253b3d81e9b5a
[INFO] running `Command { std: "docker" "start" "-a" "4a16ef96a4ee921c334f6ac07d75ad12d02433daf10c2e2ae3c253b3d81e9b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling webvtt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `expect_pred` is never used
[INFO] [stdout]    --> src/lib.rs:395:4
[INFO] [stdout]     |
[INFO] [stdout] 395 | fn expect_pred<'a, F: FnMut(char) -> bool>(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "4a16ef96a4ee921c334f6ac07d75ad12d02433daf10c2e2ae3c253b3d81e9b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a16ef96a4ee921c334f6ac07d75ad12d02433daf10c2e2ae3c253b3d81e9b5a", kill_on_drop: false }`
[INFO] [stdout] 4a16ef96a4ee921c334f6ac07d75ad12d02433daf10c2e2ae3c253b3d81e9b5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de29283b9975e1cd4c2ebae510f1051de6b34baae18c88c59013802a8af01ff
[INFO] running `Command { std: "docker" "start" "-a" "4de29283b9975e1cd4c2ebae510f1051de6b34baae18c88c59013802a8af01ff", kill_on_drop: false }`
[INFO] [stdout] warning: function `expect_pred` is never used
[INFO] [stdout]    --> src/lib.rs:395:4
[INFO] [stdout]     |
[INFO] [stdout] 395 | fn expect_pred<'a, F: FnMut(char) -> bool>(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling webvtt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `expect_pred` is never used
[INFO] [stdout]    --> src/lib.rs:395:4
[INFO] [stdout]     |
[INFO] [stdout] 395 | fn expect_pred<'a, F: FnMut(char) -> bool>(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "4de29283b9975e1cd4c2ebae510f1051de6b34baae18c88c59013802a8af01ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de29283b9975e1cd4c2ebae510f1051de6b34baae18c88c59013802a8af01ff", kill_on_drop: false }`
[INFO] [stdout] 4de29283b9975e1cd4c2ebae510f1051de6b34baae18c88c59013802a8af01ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e006ba6de70c470b1378ca91749034598816336953d8fbfe12958bc4df0354fe
[INFO] running `Command { std: "docker" "start" "-a" "e006ba6de70c470b1378ca91749034598816336953d8fbfe12958bc4df0354fe", kill_on_drop: false }`
[INFO] [stderr] warning: function `expect_pred` is never used
[INFO] [stderr]    --> src/lib.rs:395:4
[INFO] [stderr]     |
[INFO] [stderr] 395 | fn expect_pred<'a, F: FnMut(char) -> bool>(
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `webvtt` (lib) generated 1 warning
[INFO] [stderr] warning: `webvtt` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/webvtt-bdea1bb6a153a296)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::timestamp ... ok
[INFO] [stdout] test test::sample1 ... ok
[INFO] [stdout] test test::sample2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests webvtt
[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" "e006ba6de70c470b1378ca91749034598816336953d8fbfe12958bc4df0354fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e006ba6de70c470b1378ca91749034598816336953d8fbfe12958bc4df0354fe", kill_on_drop: false }`
[INFO] [stdout] e006ba6de70c470b1378ca91749034598816336953d8fbfe12958bc4df0354fe