[INFO] fetching crate numrst 0.5.0...
[INFO] checking numrst-0.5.0 against 1.95.0 for pr-155915
[INFO] extracting crate numrst 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate numrst 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate numrst 0.5.0
[INFO] tweaked toml for crates.io crate numrst 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate numrst 0.5.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate numrst 0.5.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libz-rs-sys v0.5.1
[INFO] [stderr]   Downloaded ppmd-rust v1.2.1
[INFO] [stderr]   Downloaded liblzma v0.4.4
[INFO] [stderr]   Downloaded bitflags v2.9.3
[INFO] [stderr]   Downloaded tempfile v3.21.0
[INFO] [stderr]   Downloaded zopfli v0.8.2
[INFO] [stderr]   Downloaded cc v1.2.34
[INFO] [stderr]   Downloaded zip v4.5.0
[INFO] [stderr]   Downloaded zlib-rs v0.5.1
[INFO] [stderr]   Downloaded liblzma-sys v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8971f4445f564ced7e18129a62d4e9ae0ea67fc8e0b96b0b17c00ed142747e2
[INFO] running `Command { std: "docker" "start" "-a" "d8971f4445f564ced7e18129a62d4e9ae0ea67fc8e0b96b0b17c00ed142747e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8971f4445f564ced7e18129a62d4e9ae0ea67fc8e0b96b0b17c00ed142747e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8971f4445f564ced7e18129a62d4e9ae0ea67fc8e0b96b0b17c00ed142747e2", kill_on_drop: false }`
[INFO] [stdout] d8971f4445f564ced7e18129a62d4e9ae0ea67fc8e0b96b0b17c00ed142747e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24a7baa06e9c2ca51fd227c272d5366e95ed5df0fd012b58666b49f65d7ddbea
[INFO] running `Command { std: "docker" "start" "-a" "24a7baa06e9c2ca51fd227c272d5366e95ed5df0fd012b58666b49f65d7ddbea", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking zlib-rs v0.5.1
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking libbz2-rs-sys v0.2.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking deflate64 v0.1.9
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking ppmd-rust v1.2.1
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking bzip2 v0.6.0
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]     Checking indexmap v2.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking libz-rs-sys v0.5.1
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling liblzma-sys v0.4.4
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking liblzma v0.4.4
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking zip v4.5.0
[INFO] [stderr]     Checking numrst v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mapped_lock_guards)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/core/ndarray/reduce.rs:198:22
[INFO] [stdout]     |
[INFO] [stdout] 198 |             .map(|v| (v.to_f64()- mean))
[INFO] [stdout]     |                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -             .map(|v| (v.to_f64()- mean))
[INFO] [stdout] 198 +             .map(|v| v.to_f64()- mean )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mapped_lock_guards)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/core/ndarray/reduce.rs:198:22
[INFO] [stdout]     |
[INFO] [stdout] 198 |             .map(|v| (v.to_f64()- mean))
[INFO] [stdout]     |                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -             .map(|v| (v.to_f64()- mean))
[INFO] [stdout] 198 +             .map(|v| v.to_f64()- mean )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `numrst` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `numrst` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "24a7baa06e9c2ca51fd227c272d5366e95ed5df0fd012b58666b49f65d7ddbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a7baa06e9c2ca51fd227c272d5366e95ed5df0fd012b58666b49f65d7ddbea", kill_on_drop: false }`
[INFO] [stdout] 24a7baa06e9c2ca51fd227c272d5366e95ed5df0fd012b58666b49f65d7ddbea
