[INFO] fetching crate float_math 0.0.3...
[INFO] checking float_math-0.0.3 against 1.95.0 for pr-155915
[INFO] extracting crate float_math 0.0.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate float_math 0.0.3
[INFO] finished tweaking crates.io crate float_math 0.0.3
[INFO] tweaked toml for crates.io crate float_math 0.0.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate float_math 0.0.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e70ac4369b4380e5736657efe0ff2145556a28c7e01cb1a765a6d3abae2eb964
[INFO] running `Command { std: "docker" "start" "-a" "e70ac4369b4380e5736657efe0ff2145556a28c7e01cb1a765a6d3abae2eb964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e70ac4369b4380e5736657efe0ff2145556a28c7e01cb1a765a6d3abae2eb964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70ac4369b4380e5736657efe0ff2145556a28c7e01cb1a765a6d3abae2eb964", kill_on_drop: false }`
[INFO] [stdout] e70ac4369b4380e5736657efe0ff2145556a28c7e01cb1a765a6d3abae2eb964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bcd9a413c3a9447ed79a073b0292d3e3e9a83fe7fe12be48086a0562441bf815
[INFO] running `Command { std: "docker" "start" "-a" "bcd9a413c3a9447ed79a073b0292d3e3e9a83fe7fe12be48086a0562441bf815", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stdout] error[E0425]: cannot find type `LaneCount` in module `core::simd`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytemuck-1.25.0/src/zeroable.rs:234:15
[INFO] [stdout]     |
[INFO] [stdout] 234 |   core::simd::LaneCount<N>: core::simd::SupportedLaneCount,
[INFO] [stdout]     |               ^^^^^^^^^ not found in `core::simd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `SupportedLaneCount` in module `core::simd`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytemuck-1.25.0/src/zeroable.rs:234:41
[INFO] [stdout]     |
[INFO] [stdout] 234 |   core::simd::LaneCount<N>: core::simd::SupportedLaneCount,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ not found in `core::simd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `LaneCount` in module `core::simd`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytemuck-1.25.0/src/pod.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 |   core::simd::LaneCount<N>: core::simd::SupportedLaneCount,
[INFO] [stdout]     |               ^^^^^^^^^ not found in `core::simd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `SupportedLaneCount` in module `core::simd`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytemuck-1.25.0/src/pod.rs:155:41
[INFO] [stdout]     |
[INFO] [stdout] 155 |   core::simd::LaneCount<N>: core::simd::SupportedLaneCount,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ not found in `core::simd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytemuck-1.25.0/src/lib.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "nightly_portable_simd", feature(portable_simd))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytemuck` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bcd9a413c3a9447ed79a073b0292d3e3e9a83fe7fe12be48086a0562441bf815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd9a413c3a9447ed79a073b0292d3e3e9a83fe7fe12be48086a0562441bf815", kill_on_drop: false }`
[INFO] [stdout] bcd9a413c3a9447ed79a073b0292d3e3e9a83fe7fe12be48086a0562441bf815