[INFO] fetching crate scss_mass_compiler 1.0.4...
[INFO] testing scss_mass_compiler-1.0.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate scss_mass_compiler 1.0.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate scss_mass_compiler 1.0.4
[INFO] finished tweaking crates.io crate scss_mass_compiler 1.0.4
[INFO] tweaked toml for crates.io crate scss_mass_compiler 1.0.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scss_mass_compiler 1.0.4 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scss_mass_compiler 1.0.4 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_shared v0.9.0
[INFO] [stderr]   Downloaded phf v0.9.0
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded phf_generator v0.9.1
[INFO] [stderr]   Downloaded phf_macros v0.9.0
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] [stderr]   Downloaded ahash v0.7.6
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded grass v0.11.0
[INFO] [stderr]   Downloaded lasso v0.5.1
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46007350a1f8bde76453313340fdf19d3fc352121f21e32ee5919dd360d1857d
[INFO] running `Command { std: "docker" "start" "-a" "46007350a1f8bde76453313340fdf19d3fc352121f21e32ee5919dd360d1857d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46007350a1f8bde76453313340fdf19d3fc352121f21e32ee5919dd360d1857d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46007350a1f8bde76453313340fdf19d3fc352121f21e32ee5919dd360d1857d", kill_on_drop: false }`
[INFO] [stdout] 46007350a1f8bde76453313340fdf19d3fc352121f21e32ee5919dd360d1857d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170c1ca1e1ae084a8328360e7abb5089c17a1674ab5f1c84929f2d3aa05175e2
[INFO] running `Command { std: "docker" "start" "-a" "170c1ca1e1ae084a8328360e7abb5089c17a1674ab5f1c84929f2d3aa05175e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.6/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "170c1ca1e1ae084a8328360e7abb5089c17a1674ab5f1c84929f2d3aa05175e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170c1ca1e1ae084a8328360e7abb5089c17a1674ab5f1c84929f2d3aa05175e2", kill_on_drop: false }`
[INFO] [stdout] 170c1ca1e1ae084a8328360e7abb5089c17a1674ab5f1c84929f2d3aa05175e2