[INFO] fetching crate ffmml 0.1.2... [INFO] testing ffmml-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate ffmml 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate ffmml 0.1.2 [INFO] finished tweaking crates.io crate ffmml 0.1.2 [INFO] tweaked toml for crates.io crate ffmml 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ffmml 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 24 packages to latest compatible versions [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] 961a57ce8947e49ab6d15c3ee24f72f99f8690493d3f6693020a45faec2267d2 [INFO] running `Command { std: "docker" "start" "-a" "961a57ce8947e49ab6d15c3ee24f72f99f8690493d3f6693020a45faec2267d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "961a57ce8947e49ab6d15c3ee24f72f99f8690493d3f6693020a45faec2267d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "961a57ce8947e49ab6d15c3ee24f72f99f8690493d3f6693020a45faec2267d2", kill_on_drop: false }` [INFO] [stdout] 961a57ce8947e49ab6d15c3ee24f72f99f8690493d3f6693020a45faec2267d2 [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] 438b2554a21977c6a88b8ac60b377bdf31595f8f8e7dc80ec9d6c9bda484ba60 [INFO] running `Command { std: "docker" "start" "-a" "438b2554a21977c6a88b8ac60b377bdf31595f8f8e7dc80ec9d6c9bda484ba60", kill_on_drop: false }` [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling textparse_derive v0.1.0 [INFO] [stderr] Compiling textparse v0.1.0 [INFO] [stderr] Compiling ffmml v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/player.rs:52:21 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn channels(&self) -> impl '_ + Iterator { [INFO] [stdout] | ^^^^^ ^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [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] 52 | pub fn channels(&self) -> impl '_ + Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.00s [INFO] running `Command { std: "docker" "inspect" "438b2554a21977c6a88b8ac60b377bdf31595f8f8e7dc80ec9d6c9bda484ba60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "438b2554a21977c6a88b8ac60b377bdf31595f8f8e7dc80ec9d6c9bda484ba60", kill_on_drop: false }` [INFO] [stdout] 438b2554a21977c6a88b8ac60b377bdf31595f8f8e7dc80ec9d6c9bda484ba60 [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] c0098ae6c860bc69ad241fcabe06d29ea0b2ee6c4b8838ba2a1daf0717ae75f5 [INFO] running `Command { std: "docker" "start" "-a" "c0098ae6c860bc69ad241fcabe06d29ea0b2ee6c4b8838ba2a1daf0717ae75f5", kill_on_drop: false }` [INFO] [stderr] Compiling ffmml v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/player.rs:52:21 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn channels(&self) -> impl '_ + Iterator { [INFO] [stdout] | ^^^^^ ^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [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] 52 | pub fn channels(&self) -> impl '_ + Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/player.rs:52:21 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn channels(&self) -> impl '_ + Iterator { [INFO] [stdout] | ^^^^^ ^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [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] 52 | pub fn channels(&self) -> impl '_ + Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "c0098ae6c860bc69ad241fcabe06d29ea0b2ee6c4b8838ba2a1daf0717ae75f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0098ae6c860bc69ad241fcabe06d29ea0b2ee6c4b8838ba2a1daf0717ae75f5", kill_on_drop: false }` [INFO] [stdout] c0098ae6c860bc69ad241fcabe06d29ea0b2ee6c4b8838ba2a1daf0717ae75f5 [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] c52072a5a232a7b6a460dc9910f302c1e36cc41c541b265d28dfd6f066c989d4 [INFO] running `Command { std: "docker" "start" "-a" "c52072a5a232a7b6a460dc9910f302c1e36cc41c541b265d28dfd6f066c989d4", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/player.rs:52:21 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn channels(&self) -> impl '_ + Iterator { [INFO] [stderr] | ^^^^^ ^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | | [INFO] [stderr] | | the same lifetime is elided here [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] 52 | pub fn channels(&self) -> impl '_ + Iterator> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `ffmml` (lib) generated 1 warning (run `cargo fix --lib -p ffmml` to apply 1 suggestion) [INFO] [stderr] warning: `ffmml` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ffmml-fb798a65af6feafd) [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 ffmml [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 22) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.72s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c52072a5a232a7b6a460dc9910f302c1e36cc41c541b265d28dfd6f066c989d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c52072a5a232a7b6a460dc9910f302c1e36cc41c541b265d28dfd6f066c989d4", kill_on_drop: false }` [INFO] [stdout] c52072a5a232a7b6a460dc9910f302c1e36cc41c541b265d28dfd6f066c989d4