[INFO] fetching crate matrw 0.1.2...
[INFO] checking matrw-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate matrw 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate matrw 0.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate matrw 0.1.2
[INFO] tweaked toml for crates.io crate matrw 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrw 0.1.2 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 matrw 0.1.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1ce61e3fce4652b94a7d4f697c50f835a8f1b43e163f5809910ed99273ed0b61
[INFO] running `Command { std: "docker" "start" "-a" "1ce61e3fce4652b94a7d4f697c50f835a8f1b43e163f5809910ed99273ed0b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce61e3fce4652b94a7d4f697c50f835a8f1b43e163f5809910ed99273ed0b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce61e3fce4652b94a7d4f697c50f835a8f1b43e163f5809910ed99273ed0b61", kill_on_drop: false }`
[INFO] [stdout] 1ce61e3fce4652b94a7d4f697c50f835a8f1b43e163f5809910ed99273ed0b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 229c32a110d37b04b78177bca5fc09ab2fae3236dad91259796b540a910af0c6
[INFO] running `Command { std: "docker" "start" "-a" "229c32a110d37b04b78177bca5fc09ab2fae3236dad91259796b540a910af0c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling binrw_derive v0.13.3
[INFO] [stderr]    Compiling binrw v0.13.3
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]     Checking clap_builder v4.5.50
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking rand_pcg v0.9.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]     Checking which v6.0.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking zerocopy v0.8.27
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking matrw v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/structure.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[br(count = fieldnames.fieldnames().len())]
[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<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_dimensions.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[br(count = (data_size / 4) as usize)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_dimensions.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |     #[br(count = (data_size / 4) as usize)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |         #[br(count = data_size as usize / mem::size_of::<u8>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |         #[br(count = data_size as usize / mem::size_of::<i8>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         #[br(count = data_size as usize / mem::size_of::<u16>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |         #[br(count = data_size as usize / mem::size_of::<i16>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |         #[br(count = data_size as usize / mem::size_of::<u32>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         #[br(count = data_size as usize / mem::size_of::<i32>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |         #[br(count = data_size as usize / mem::size_of::<u64>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |         #[br(count = data_size as usize / mem::size_of::<i64>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |         #[br(count = data_size as usize / mem::size_of::<f32>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |         #[br(count = data_size as usize / mem::size_of::<f64>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |         #[br(count = data_size as usize / mem::size_of::<u8>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         #[br(count = data_size as usize / mem::size_of::<u16>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrw` (lib) due to 15 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/structure.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[br(count = fieldnames.fieldnames().len())]
[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<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_dimensions.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[br(count = (data_size / 4) as usize)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_dimensions.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |     #[br(count = (data_size / 4) as usize)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |         #[br(count = data_size as usize / mem::size_of::<u8>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |         #[br(count = data_size as usize / mem::size_of::<i8>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         #[br(count = data_size as usize / mem::size_of::<u16>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |         #[br(count = data_size as usize / mem::size_of::<i16>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |         #[br(count = data_size as usize / mem::size_of::<u32>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         #[br(count = data_size as usize / mem::size_of::<i32>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |         #[br(count = data_size as usize / mem::size_of::<u64>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |         #[br(count = data_size as usize / mem::size_of::<i64>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |         #[br(count = data_size as usize / mem::size_of::<f32>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |         #[br(count = data_size as usize / mem::size_of::<f64>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |         #[br(count = data_size as usize / mem::size_of::<u8>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/parser/v7/types/subelements/array_numeric_data/array_data_value.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         #[br(count = data_size as usize / mem::size_of::<u16>())]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrw` (lib test) due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "229c32a110d37b04b78177bca5fc09ab2fae3236dad91259796b540a910af0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229c32a110d37b04b78177bca5fc09ab2fae3236dad91259796b540a910af0c6", kill_on_drop: false }`
[INFO] [stdout] 229c32a110d37b04b78177bca5fc09ab2fae3236dad91259796b540a910af0c6
