[INFO] fetching crate scale-decode 0.16.0...
[INFO] checking scale-decode-0.16.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate scale-decode 0.16.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate scale-decode 0.16.0
[INFO] finished tweaking crates.io crate scale-decode 0.16.0
[INFO] tweaked toml for crates.io crate scale-decode 0.16.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scale-decode 0.16.0 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] crate crates.io crate scale-decode 0.16.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 04efa9cb7bbadf29ab9cb9478f8108a96e942b7a3762a9257aab94b7f265bb0f
[INFO] running `Command { std: "docker" "start" "-a" "04efa9cb7bbadf29ab9cb9478f8108a96e942b7a3762a9257aab94b7f265bb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04efa9cb7bbadf29ab9cb9478f8108a96e942b7a3762a9257aab94b7f265bb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04efa9cb7bbadf29ab9cb9478f8108a96e942b7a3762a9257aab94b7f265bb0f", kill_on_drop: false }`
[INFO] [stdout] 04efa9cb7bbadf29ab9cb9478f8108a96e942b7a3762a9257aab94b7f265bb0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cfd126608721facf7e2b1533e325a7eca55f5177af68f9c49f30f0449a0650bb
[INFO] running `Command { std: "docker" "start" "-a" "cfd126608721facf7e2b1533e325a7eca55f5177af68f9c49f30f0449a0650bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]    Compiling thiserror v2.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling serde_json v1.0.129
[INFO] [stderr]     Checking uint v0.10.0
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling trybuild v1.0.100
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking tempfile v3.13.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.12
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling scale-info-derive v2.11.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking parity-scale-codec v3.6.12
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling scale-decode-derive v0.16.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking scale-info v2.11.5
[INFO] [stderr]     Checking impl-codec v0.7.0
[INFO] [stderr]     Checking scale-type-resolver v0.2.0
[INFO] [stderr]     Checking primitive-types v0.13.1
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]     Checking scale-bits v0.7.0
[INFO] [stderr]     Checking scale-decode v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:487:35
[INFO] [stdout]     |
[INFO] [stdout] 487 | visit_number_impl!(u8 where |res| res.try_into().ok());
[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<u16, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:488:36
[INFO] [stdout]     |
[INFO] [stdout] 488 | visit_number_impl!(u16 where |res| res.try_into().ok());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:489:36
[INFO] [stdout]     |
[INFO] [stdout] 489 | visit_number_impl!(u32 where |res| res.try_into().ok());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:490:36
[INFO] [stdout]     |
[INFO] [stdout] 490 | visit_number_impl!(u64 where |res| res.try_into().ok());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:491:37
[INFO] [stdout]     |
[INFO] [stdout] 491 | visit_number_impl!(u128 where |res| res.try_into().ok());
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:492:38
[INFO] [stdout]     |
[INFO] [stdout] 492 | visit_number_impl!(usize where |res| res.try_into().ok());
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i8, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:493:35
[INFO] [stdout]     |
[INFO] [stdout] 493 | visit_number_impl!(i8 where |res| res.try_into().ok());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i16, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:494:36
[INFO] [stdout]     |
[INFO] [stdout] 494 | visit_number_impl!(i16 where |res| res.try_into().ok());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:495:36
[INFO] [stdout]     |
[INFO] [stdout] 495 | visit_number_impl!(i32 where |res| res.try_into().ok());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:496:36
[INFO] [stdout]     |
[INFO] [stdout] 496 | visit_number_impl!(i64 where |res| res.try_into().ok());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:497:37
[INFO] [stdout]     |
[INFO] [stdout] 497 | visit_number_impl!(i128 where |res| res.try_into().ok());
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<isize, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:498:38
[INFO] [stdout]     |
[INFO] [stdout] 498 | visit_number_impl!(isize where |res| res.try_into().ok());
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:499:42
[INFO] [stdout]     |
[INFO] [stdout] 499 | visit_number_impl!(NonZeroU8 where |res| res.try_into().ok().and_then(NonZeroU8::new));
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:500:43
[INFO] [stdout]     |
[INFO] [stdout] 500 | visit_number_impl!(NonZeroU16 where |res| res.try_into().ok().and_then(NonZeroU16::new));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:501:43
[INFO] [stdout]     |
[INFO] [stdout] 501 | visit_number_impl!(NonZeroU32 where |res| res.try_into().ok().and_then(NonZeroU32::new));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:502:43
[INFO] [stdout]     |
[INFO] [stdout] 502 | visit_number_impl!(NonZeroU64 where |res| res.try_into().ok().and_then(NonZeroU64::new));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:503:44
[INFO] [stdout]     |
[INFO] [stdout] 503 | visit_number_impl!(NonZeroU128 where |res| res.try_into().ok().and_then(NonZeroU128::new));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i8, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:504:42
[INFO] [stdout]     |
[INFO] [stdout] 504 | visit_number_impl!(NonZeroI8 where |res| res.try_into().ok().and_then(NonZeroI8::new));
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i16, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:505:43
[INFO] [stdout]     |
[INFO] [stdout] 505 | visit_number_impl!(NonZeroI16 where |res| res.try_into().ok().and_then(NonZeroI16::new));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:506:43
[INFO] [stdout]     |
[INFO] [stdout] 506 | visit_number_impl!(NonZeroI32 where |res| res.try_into().ok().and_then(NonZeroI32::new));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:507:43
[INFO] [stdout]     |
[INFO] [stdout] 507 | visit_number_impl!(NonZeroI64 where |res| res.try_into().ok().and_then(NonZeroI64::new));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/impls/mod.rs:508:44
[INFO] [stdout]     |
[INFO] [stdout] 508 | visit_number_impl!(NonZeroI128 where |res| res.try_into().ok().and_then(NonZeroI128::new));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scale-decode` (lib) due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cfd126608721facf7e2b1533e325a7eca55f5177af68f9c49f30f0449a0650bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd126608721facf7e2b1533e325a7eca55f5177af68f9c49f30f0449a0650bb", kill_on_drop: false }`
[INFO] [stdout] cfd126608721facf7e2b1533e325a7eca55f5177af68f9c49f30f0449a0650bb