[INFO] fetching crate zarrs 0.22.7...
[INFO] checking zarrs-0.22.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate zarrs 0.22.7 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate zarrs 0.22.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zarrs 0.22.7
[INFO] tweaked toml for crates.io crate zarrs 0.22.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zarrs 0.22.7 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 zarrs 0.22.7 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] 0c83e5f758c097db3752c8cf521b4551338a75b20da8e43ee1fb6fcf74547611
[INFO] running `Command { std: "docker" "start" "-a" "0c83e5f758c097db3752c8cf521b4551338a75b20da8e43ee1fb6fcf74547611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c83e5f758c097db3752c8cf521b4551338a75b20da8e43ee1fb6fcf74547611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c83e5f758c097db3752c8cf521b4551338a75b20da8e43ee1fb6fcf74547611", kill_on_drop: false }`
[INFO] [stdout] 0c83e5f758c097db3752c8cf521b4551338a75b20da8e43ee1fb6fcf74547611
[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] 44c639672f29e1633f47aa1fb6d973b0482d2607bc882e45e014dd5d550c3c17
[INFO] running `Command { std: "docker" "start" "-a" "44c639672f29e1633f47aa1fb6d973b0482d2607bc882e45e014dd5d550c3c17", kill_on_drop: false }`
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]    Compiling monostate-impl v0.1.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rustls-native-certs v0.8.2
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking monostate v0.1.18
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling auto_impl v1.3.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking unsafe_cell_slice v0.2.2
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling snappy_src v0.2.5+snappy.1.2.2
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]    Compiling blosc-src v0.3.6
[INFO] [stderr]     Checking zarrs_metadata v0.6.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking zarrs_storage v0.4.0
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]    Compiling moka v0.12.11
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking zarrs_registry v0.1.7
[INFO] [stderr]     Checking zarrs_plugin v0.2.2
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking quick-xml v0.38.3
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]    Compiling zarrs v0.22.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking zarrs_filesystem v0.3.4
[INFO] [stderr]     Checking zarrs_metadata_ext v0.2.2
[INFO] [stderr]     Checking zarrs_data_type v0.4.2
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking rustls-webpki v0.103.8
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking rayon_iter_concurrent_limit v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking lru v0.16.2
[INFO] [stderr]     Checking testing_logger v0.1.1
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking reqwest v0.12.24
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking object_store v0.12.4
[INFO] [stderr]     Checking zarrs_object_store v0.5.0
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/array/element.rs:241:52
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 let mut bytes = Vec::with_capacity(usize::try_from(len).unwrap());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | impl_element_string!(&str);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_element_string` (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/array/element.rs:241:52
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 let mut bytes = Vec::with_capacity(usize::try_from(len).unwrap());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 | impl_element_string!(String);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_element_string` (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/array/element.rs:241:52
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 let mut bytes = Vec::with_capacity(usize::try_from(len).unwrap());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | impl_element_string!(&str);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_element_string` (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/array/element.rs:241:52
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 let mut bytes = Vec::with_capacity(usize::try_from(len).unwrap());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 | impl_element_string!(String);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_element_string` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zarrs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `zarrs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "44c639672f29e1633f47aa1fb6d973b0482d2607bc882e45e014dd5d550c3c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c639672f29e1633f47aa1fb6d973b0482d2607bc882e45e014dd5d550c3c17", kill_on_drop: false }`
[INFO] [stdout] 44c639672f29e1633f47aa1fb6d973b0482d2607bc882e45e014dd5d550c3c17
