[INFO] fetching crate numscan 0.1.0...
[INFO] testing numscan-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate numscan 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate numscan 0.1.0
[INFO] finished tweaking crates.io crate numscan 0.1.0
[INFO] tweaked toml for crates.io crate numscan 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate numscan 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 911f6fe0d7fcff11491b224b2e58b7c6ae1a94574f1175a712258224a522dd23
[INFO] running `Command { std: "docker" "start" "-a" "911f6fe0d7fcff11491b224b2e58b7c6ae1a94574f1175a712258224a522dd23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "911f6fe0d7fcff11491b224b2e58b7c6ae1a94574f1175a712258224a522dd23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911f6fe0d7fcff11491b224b2e58b7c6ae1a94574f1175a712258224a522dd23", kill_on_drop: false }`
[INFO] [stdout] 911f6fe0d7fcff11491b224b2e58b7c6ae1a94574f1175a712258224a522dd23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dca7efae1274f7be10c71126de5427df31e67446a6d47875a5a60a15f45a08a8
[INFO] running `Command { std: "docker" "start" "-a" "dca7efae1274f7be10c71126de5427df31e67446a6d47875a5a60a15f45a08a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling round_mult v0.1.4
[INFO] [stdout] error[E0432]: unresolved import `core::simd::LaneCount`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/round_mult-0.1.4/src/nzp/std_simd.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::simd::{Simd, SimdElement, Mask, MaskElement, LaneCount};
[INFO] [stdout]   |                                                        ^^^^^^^^^ no `LaneCount` in `simd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `round_mult` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dca7efae1274f7be10c71126de5427df31e67446a6d47875a5a60a15f45a08a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca7efae1274f7be10c71126de5427df31e67446a6d47875a5a60a15f45a08a8", kill_on_drop: false }`
[INFO] [stdout] dca7efae1274f7be10c71126de5427df31e67446a6d47875a5a60a15f45a08a8