[INFO] fetching crate miniconf 0.20.0...
[INFO] checking miniconf-0.20.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate miniconf 0.20.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate miniconf 0.20.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate miniconf 0.20.0
[INFO] tweaked toml for crates.io crate miniconf 0.20.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate miniconf 0.20.0 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 miniconf 0.20.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fbc4a96ad6e40018d4780ac0e52aa1d04ff1554554a598e814ce5974ac754932
[INFO] running `Command { std: "docker" "start" "-a" "fbc4a96ad6e40018d4780ac0e52aa1d04ff1554554a598e814ce5974ac754932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbc4a96ad6e40018d4780ac0e52aa1d04ff1554554a598e814ce5974ac754932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc4a96ad6e40018d4780ac0e52aa1d04ff1554554a598e814ce5974ac754932", kill_on_drop: false }`
[INFO] [stdout] fbc4a96ad6e40018d4780ac0e52aa1d04ff1554554a598e814ce5974ac754932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e7b294c125ff3b34f8b0d517e39823228e45704efde9a1a9886d3deb1d56aa9b
[INFO] running `Command { std: "docker" "start" "-a" "e7b294c125ff3b34f8b0d517e39823228e45704efde9a1a9886d3deb1d56aa9b", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking borrow-or-share v0.2.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking yafnv v3.0.0
[INFO] [stderr]     Checking heapless v0.8.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking uuid-simd v0.8.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking fraction v0.15.3
[INFO] [stderr]     Checking fancy-regex v0.16.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]     Checking crosstrait v0.1.3
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking cobs v0.3.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling miniconf_derive v0.20.0
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking embedded-io-adapters v0.6.2
[INFO] [stderr]     Checking fluent-uri v0.3.2
[INFO] [stderr]     Checking heapless v0.7.17
[INFO] [stderr]     Checking email_address v0.2.9
[INFO] [stderr]     Checking trybuild v1.0.112
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking miniconf v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking postcard v1.1.3
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking referencing v0.33.0
[INFO] [stdout] error: this type will no longer be must used: Result<error::KeyError, Infallible>
[INFO] [stdout]    --> src/schema.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |         .map_err(|e| e.try_into().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<error::KeyError, Infallible>
[INFO] [stdout]    --> src/schema.rs:303:22
[INFO] [stdout]     |
[INFO] [stdout] 303 |         .map_err(|e| e.try_into().unwrap())?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/impls/key.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 (*self).try_into().ok().filter(|i| *i < internal.len().get())
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 | impl_key_integer!(usize u8 u16 u32 u64 u128 isize i8 i16 i32 i64 i128);
[INFO] [stdout]    | ---------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `impl_key_integer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/impls/key.rs:110:33
[INFO] [stdout]     |
[INFO] [stdout] 110 |                         let i = index.try_into().or(Err(()))?;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 | impl_transcode_slice!(usize u8 u16 u32 u64 u128 isize i8 i16 i32 i64 i128);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_transcode_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniconf` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e7b294c125ff3b34f8b0d517e39823228e45704efde9a1a9886d3deb1d56aa9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b294c125ff3b34f8b0d517e39823228e45704efde9a1a9886d3deb1d56aa9b", kill_on_drop: false }`
[INFO] [stdout] e7b294c125ff3b34f8b0d517e39823228e45704efde9a1a9886d3deb1d56aa9b
