[INFO] fetching crate zarrs_metadata_ext 0.2.2...
[INFO] checking zarrs_metadata_ext-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate zarrs_metadata_ext 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate zarrs_metadata_ext 0.2.2
[INFO] finished tweaking crates.io crate zarrs_metadata_ext 0.2.2
[INFO] tweaked toml for crates.io crate zarrs_metadata_ext 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zarrs_metadata_ext 0.2.2 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 zarrs_metadata_ext 0.2.2 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] 6baaabaab593e6eff5bf739021fbd5cf67daec86ddf92d580e7e5faa3fd98dea
[INFO] running `Command { std: "docker" "start" "-a" "6baaabaab593e6eff5bf739021fbd5cf67daec86ddf92d580e7e5faa3fd98dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6baaabaab593e6eff5bf739021fbd5cf67daec86ddf92d580e7e5faa3fd98dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6baaabaab593e6eff5bf739021fbd5cf67daec86ddf92d580e7e5faa3fd98dea", kill_on_drop: false }`
[INFO] [stdout] 6baaabaab593e6eff5bf739021fbd5cf67daec86ddf92d580e7e5faa3fd98dea
[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] 549ce26476e84f67b3a0b166b9b2ead0ce451ab41f79af56dd69b683363d2236
[INFO] running `Command { std: "docker" "start" "-a" "549ce26476e84f67b3a0b166b9b2ead0ce451ab41f79af56dd69b683363d2236", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking zarrs_registry v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling bytemuck_derive v1.10.1
[INFO] [stderr]    Compiling monostate-impl v0.1.14
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking monostate v0.1.14
[INFO] [stderr]     Checking zarrs_metadata v0.6.2
[INFO] [stderr]     Checking zarrs_metadata_ext v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/codec/numcodecs/pcodec.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     Ok(Self(unsafe { u8::try_from(level).unwrap_unchecked() }))
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | pcodec_compression_level_try_from!(u8);
[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 `pcodec_compression_level_try_from` (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<u8, Infallible>
[INFO] [stdout]    --> src/codec/numcodecs/pcodec.rs:202:38
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     Ok(Self(unsafe { u8::try_from(level).unwrap_unchecked() }))
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 211 | pcodec_delta_encoding_order_level_try_from!(u8);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `pcodec_delta_encoding_order_level_try_from` (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<u8, Infallible>
[INFO] [stdout]    --> src/codec/numcodecs/pcodec.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     Ok(Self(unsafe { u8::try_from(level).unwrap_unchecked() }))
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | pcodec_compression_level_try_from!(u8);
[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 `pcodec_compression_level_try_from` (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<u8, Infallible>
[INFO] [stdout]    --> src/codec/numcodecs/pcodec.rs:202:38
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     Ok(Self(unsafe { u8::try_from(level).unwrap_unchecked() }))
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 211 | pcodec_delta_encoding_order_level_try_from!(u8);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `pcodec_delta_encoding_order_level_try_from` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zarrs_metadata_ext` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `zarrs_metadata_ext` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "549ce26476e84f67b3a0b166b9b2ead0ce451ab41f79af56dd69b683363d2236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549ce26476e84f67b3a0b166b9b2ead0ce451ab41f79af56dd69b683363d2236", kill_on_drop: false }`
[INFO] [stdout] 549ce26476e84f67b3a0b166b9b2ead0ce451ab41f79af56dd69b683363d2236