[INFO] fetching crate jazz-chord 0.1.4...
[INFO] checking jazz-chord-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate jazz-chord 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate jazz-chord 0.1.4
[INFO] finished tweaking crates.io crate jazz-chord 0.1.4
[INFO] tweaked toml for crates.io crate jazz-chord 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jazz-chord 0.1.4 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jazz-chord 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a69f7f127a3715798686a0f99a24ecedc4d9db4a3087f3090bc4b243d459b1c4
[INFO] running `Command { std: "docker" "start" "-a" "a69f7f127a3715798686a0f99a24ecedc4d9db4a3087f3090bc4b243d459b1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a69f7f127a3715798686a0f99a24ecedc4d9db4a3087f3090bc4b243d459b1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69f7f127a3715798686a0f99a24ecedc4d9db4a3087f3090bc4b243d459b1c4", kill_on_drop: false }`
[INFO] [stdout] a69f7f127a3715798686a0f99a24ecedc4d9db4a3087f3090bc4b243d459b1c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13df906cdc0eecf9e7e29f191db9ede808bc21ed6d93af15ef5312ef816fee1a
[INFO] running `Command { std: "docker" "start" "-a" "13df906cdc0eecf9e7e29f191db9ede808bc21ed6d93af15ef5312ef816fee1a", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking ezstr v0.2.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking jazz-accidentals v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling cached_proc_macro v0.25.0
[INFO] [stderr]     Checking cached v0.56.0
[INFO] [stderr]     Checking jazz-chord v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |             triad_str = triad.chord_type.triggers[0].parse().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:263:29
[INFO] [stdout]     |
[INFO] [stdout] 263 |             extension_str = extension.extension_type.triggers[0].parse().unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |             triad_str = triad.chord_type.triggers[0].parse().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:263:29
[INFO] [stdout]     |
[INFO] [stdout] 263 |             extension_str = extension.extension_type.triggers[0].parse().unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jazz-chord` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jazz-chord` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "13df906cdc0eecf9e7e29f191db9ede808bc21ed6d93af15ef5312ef816fee1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13df906cdc0eecf9e7e29f191db9ede808bc21ed6d93af15ef5312ef816fee1a", kill_on_drop: false }`
[INFO] [stdout] 13df906cdc0eecf9e7e29f191db9ede808bc21ed6d93af15ef5312ef816fee1a