[INFO] fetching crate tdc_toolkit 0.3.1...
[INFO] checking tdc_toolkit-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tdc_toolkit 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tdc_toolkit 0.3.1
[INFO] finished tweaking crates.io crate tdc_toolkit 0.3.1
[INFO] tweaked toml for crates.io crate tdc_toolkit 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tdc_toolkit 0.3.1 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 tdc_toolkit 0.3.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a334f42f3c853ef6faf7ce6dacb7965cc43b946659f28d3cc139c77ac7479d6
[INFO] running `Command { std: "docker" "start" "-a" "8a334f42f3c853ef6faf7ce6dacb7965cc43b946659f28d3cc139c77ac7479d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a334f42f3c853ef6faf7ce6dacb7965cc43b946659f28d3cc139c77ac7479d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a334f42f3c853ef6faf7ce6dacb7965cc43b946659f28d3cc139c77ac7479d6", kill_on_drop: false }`
[INFO] [stdout] 8a334f42f3c853ef6faf7ce6dacb7965cc43b946659f28d3cc139c77ac7479d6
[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=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] 345918e2f125ce979179a60085b6ad379a58f0a8507a48c7b05f49e0087d3bf2
[INFO] running `Command { std: "docker" "start" "-a" "345918e2f125ce979179a60085b6ad379a58f0a8507a48c7b05f49e0087d3bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking arrow-schema v56.0.0
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[INFO] [stderr]    Compiling minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling tdc_toolkit v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: tdc_toolkit@0.3.1: Using the mhlib_wrapper stub implementation.
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking arrow-csv v56.0.0
[INFO] [stderr]     Checking arrow-json v56.0.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stderr]     Checking arrow v56.0.0
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/multiharp/recording.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |     device: Arc<(dyn MH160 + Send + Sync)>,
[INFO] [stdout]    |                 ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -     device: Arc<(dyn MH160 + Send + Sync)>,
[INFO] [stdout] 37 +     device: Arc<dyn MH160 + Send + Sync >,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bin/tdc_toolkit.rs:174:48
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   )?) as Arc<(dyn MH160)>,
[INFO] [stdout]     |                                  ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 174 -                                     )?) as Arc<(dyn MH160)>,
[INFO] [stdout] 174 +                                     )?) as Arc<dyn MH160 >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bin/tdc_toolkit.rs:189:48
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   )?) as Arc<(dyn MH160)>,
[INFO] [stdout]     |                                  ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -                                     )?) as Arc<(dyn MH160)>,
[INFO] [stdout] 189 +                                     )?) as Arc<dyn MH160 >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bin/tdc_toolkit.rs:195:84
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 DeviceType::MH160StubGenerator => Ok(Arc::new(MH160Stub {}) as Arc<(dyn MH160)>),
[INFO] [stdout]     |                                                                                    ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -                 DeviceType::MH160StubGenerator => Ok(Arc::new(MH160Stub {}) as Arc<(dyn MH160)>),
[INFO] [stdout] 195 +                 DeviceType::MH160StubGenerator => Ok(Arc::new(MH160Stub {}) as Arc<dyn MH160 >),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/tdc_toolkit.rs:58:75
[INFO] [stdout]    |
[INFO] [stdout] 58 |         #[arg(long, value_hint = ValueHint::DirPath, default_value_os_t = PathBuf::from_str(".").unwrap())]
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: tdc_toolkit@0.3.1: Using the mhlib_wrapper stub implementation.
[INFO] [stderr] error: could not compile `tdc_toolkit` (bin "tdc_toolkit") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "345918e2f125ce979179a60085b6ad379a58f0a8507a48c7b05f49e0087d3bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345918e2f125ce979179a60085b6ad379a58f0a8507a48c7b05f49e0087d3bf2", kill_on_drop: false }`
[INFO] [stdout] 345918e2f125ce979179a60085b6ad379a58f0a8507a48c7b05f49e0087d3bf2
