[INFO] fetching crate barse 0.3.0...
[INFO] checking barse-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate barse 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate barse 0.3.0
[INFO] finished tweaking crates.io crate barse 0.3.0
[INFO] tweaked toml for crates.io crate barse 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate barse 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding bytesize v1.3.3 (available: v2.2.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 163311b726c0da8366d4909ffe62628a4da7270dd30d73990554b26adff98aea
[INFO] running `Command { std: "docker" "start" "-a" "163311b726c0da8366d4909ffe62628a4da7270dd30d73990554b26adff98aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "163311b726c0da8366d4909ffe62628a4da7270dd30d73990554b26adff98aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163311b726c0da8366d4909ffe62628a4da7270dd30d73990554b26adff98aea", kill_on_drop: false }`
[INFO] [stdout] 163311b726c0da8366d4909ffe62628a4da7270dd30d73990554b26adff98aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5e9c31a50df300ca15565b266c2dfde609d09891192da98f572f99c1399b4674
[INFO] running `Command { std: "docker" "start" "-a" "5e9c31a50df300ca15565b266c2dfde609d09891192da98f572f99c1399b4674", kill_on_drop: false }`
[INFO] [stderr]     Checking bytesize v1.3.3
[INFO] [stderr]    Compiling barse-derive-impl v0.2.0
[INFO] [stderr]    Compiling barse-derive v0.3.0
[INFO] [stderr]     Checking barse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/byte_read.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .and_then(<(dyn Any + 'static)>::downcast_ref)
[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] 58 -             .and_then(<(dyn Any + 'static)>::downcast_ref)
[INFO] [stdout] 58 +             .and_then(<dyn Any + 'static >::downcast_ref)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/reader/dynamic_byte_reader.rs:156:24
[INFO] [stdout]     |
[INFO] [stdout] 156 |             .and_then(<(dyn std::any::Any + 'static)>::downcast_ref)
[INFO] [stdout]     |                        ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -             .and_then(<(dyn std::any::Any + 'static)>::downcast_ref)
[INFO] [stdout] 156 +             .and_then(<dyn std::any::Any + 'static >::downcast_ref)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/byte_read.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .and_then(<(dyn Any + 'static)>::downcast_ref)
[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] 58 -             .and_then(<(dyn Any + 'static)>::downcast_ref)
[INFO] [stdout] 58 +             .and_then(<dyn Any + 'static >::downcast_ref)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/reader/dynamic_byte_reader.rs:156:24
[INFO] [stdout]     |
[INFO] [stdout] 156 |             .and_then(<(dyn std::any::Any + 'static)>::downcast_ref)
[INFO] [stdout]     |                        ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -             .and_then(<(dyn std::any::Any + 'static)>::downcast_ref)
[INFO] [stdout] 156 +             .and_then(<dyn std::any::Any + 'static >::downcast_ref)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, f64>
[INFO] [stdout]   --> tests/derive.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(FromByteReader)]
[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<f64, Infallible>
[INFO] [stdout]   --> tests/derive.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(FromByteReader)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FromByteReader` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `barse` (test "derive") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `CarryOpt` is never constructed
[INFO] [stdout]    --> tests/derive_with.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | struct CarryOpt(#[barse(with = "cond")] Option<u8>);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UseFn` is never constructed
[INFO] [stdout]    --> tests/derive_with.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct UseFn(#[barse(with = "wrap::Fn(|| Ok::<_, barse::Error>(carry))")] String);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UseCarry` is never constructed
[INFO] [stdout]    --> tests/derive_with.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | struct UseCarry(#[barse(with = "wrap::Value(carry)")] String);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UseDef` is never constructed
[INFO] [stdout]    --> tests/derive_with.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct UseDef(#[barse(with = "wrap::Default")] String);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e9c31a50df300ca15565b266c2dfde609d09891192da98f572f99c1399b4674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9c31a50df300ca15565b266c2dfde609d09891192da98f572f99c1399b4674", kill_on_drop: false }`
[INFO] [stdout] 5e9c31a50df300ca15565b266c2dfde609d09891192da98f572f99c1399b4674
