[INFO] fetching crate mdd-lib 0.1.8...
[INFO] testing mdd-lib-0.1.8 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mdd-lib 0.1.8 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mdd-lib 0.1.8
[INFO] finished tweaking crates.io crate mdd-lib 0.1.8
[INFO] tweaked toml for crates.io crate mdd-lib 0.1.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdd-lib 0.1.8 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] 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] dbc9c3bd5af885c6b56fd1785877ed6be50b9f102c680829ee4df4333783711c
[INFO] running `Command { std: "docker" "start" "-a" "dbc9c3bd5af885c6b56fd1785877ed6be50b9f102c680829ee4df4333783711c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc9c3bd5af885c6b56fd1785877ed6be50b9f102c680829ee4df4333783711c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc9c3bd5af885c6b56fd1785877ed6be50b9f102c680829ee4df4333783711c", kill_on_drop: false }`
[INFO] [stdout] dbc9c3bd5af885c6b56fd1785877ed6be50b9f102c680829ee4df4333783711c
[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] 2e3dbb48c5bd79cf5052250aec68b05d31fd91c404e8a2a44826099c6819c639
[INFO] running `Command { std: "docker" "start" "-a" "2e3dbb48c5bd79cf5052250aec68b05d31fd91c404e8a2a44826099c6819c639", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdd-lib v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/port/source.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist>, SourceError>;
[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] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist<'_>>, SourceError>;
[INFO] [stdout]   |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "2e3dbb48c5bd79cf5052250aec68b05d31fd91c404e8a2a44826099c6819c639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3dbb48c5bd79cf5052250aec68b05d31fd91c404e8a2a44826099c6819c639", kill_on_drop: false }`
[INFO] [stdout] 2e3dbb48c5bd79cf5052250aec68b05d31fd91c404e8a2a44826099c6819c639
[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] 1dd7eba6c34ab8545a11ee69983d250c7d552c818adee524142f132b97f3ba34
[INFO] running `Command { std: "docker" "start" "-a" "1dd7eba6c34ab8545a11ee69983d250c7d552c818adee524142f132b97f3ba34", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdd-lib v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/port/source.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist>, SourceError>;
[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] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist<'_>>, SourceError>;
[INFO] [stdout]   |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/port/source.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist>, SourceError>;
[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] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist<'_>>, SourceError>;
[INFO] [stdout]   |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "1dd7eba6c34ab8545a11ee69983d250c7d552c818adee524142f132b97f3ba34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd7eba6c34ab8545a11ee69983d250c7d552c818adee524142f132b97f3ba34", kill_on_drop: false }`
[INFO] [stdout] 1dd7eba6c34ab8545a11ee69983d250c7d552c818adee524142f132b97f3ba34
[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] b324fa3a474c107ba314e6d59c04c6714bd2099768b8d95ddcae7f5b97dd161d
[INFO] running `Command { std: "docker" "start" "-a" "b324fa3a474c107ba314e6d59c04c6714bd2099768b8d95ddcae7f5b97dd161d", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/port/source.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist>, SourceError>;
[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] 4 |     fn get_playlists(&self) -> Result<Vec<Playlist<'_>>, SourceError>;
[INFO] [stderr]   |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mdd-lib` (lib) generated 1 warning (run `cargo fix --lib -p mdd-lib` to apply 1 suggestion)
[INFO] [stderr] warning: `mdd-lib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdd_lib-16a0eba3412786d8)
[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 mdd_lib
[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" "b324fa3a474c107ba314e6d59c04c6714bd2099768b8d95ddcae7f5b97dd161d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b324fa3a474c107ba314e6d59c04c6714bd2099768b8d95ddcae7f5b97dd161d", kill_on_drop: false }`
[INFO] [stdout] b324fa3a474c107ba314e6d59c04c6714bd2099768b8d95ddcae7f5b97dd161d