[INFO] cloning repository https://github.com/xueying4402/float
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xueying4402/float" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxueying4402%2Ffloat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxueying4402%2Ffloat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cb8050361827f24ad97776d04d5910e29046301
[INFO] checking xueying4402/float against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxueying4402%2Ffloat" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xueying4402/float on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xueying4402/float
[INFO] finished tweaking git repo https://github.com/xueying4402/float
[INFO] tweaked toml for git repo https://github.com/xueying4402/float written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xueying4402/float 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmtime-fiber v0.31.0
[INFO] [stderr]   Downloaded wat v1.0.40
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.78.0
[INFO] [stderr]   Downloaded cranelift-native v0.78.0
[INFO] [stderr]   Downloaded wasmer-object v2.1.0
[INFO] [stderr]   Downloaded wasmer-derive v2.1.0
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[INFO] [stderr]   Downloaded enumset v1.0.8
[INFO] [stderr]   Downloaded wasmer-compiler v2.1.0
[INFO] [stderr]   Downloaded memmap2 v0.5.0
[INFO] [stderr]   Downloaded enumset_derive v0.5.5
[INFO] [stderr]   Downloaded rkyv_derive v0.7.26
[INFO] [stderr]   Downloaded wasmtime-cache v0.31.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.31.0
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.1.0
[INFO] [stderr]   Downloaded wasmer-vm v2.1.0
[INFO] [stderr]   Downloaded wasmer v2.1.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.31.0
[INFO] [stderr]   Downloaded rkyv v0.7.26
[INFO] [stderr]   Downloaded wast v38.0.1
[INFO] [stderr]   Downloaded rsix v0.23.9
[INFO] [stderr]   Downloaded regalloc v0.0.32
[INFO] [stderr]   Downloaded cranelift-wasm v0.78.0
[INFO] [stderr]   Downloaded wasmtime v0.31.0
[INFO] [stderr]   Downloaded wasmparser v0.81.0
[INFO] [stderr]   Downloaded wasmer-types v2.1.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.78.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.31.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.78.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.31.0
[INFO] [stderr]   Downloaded cranelift-entity v0.78.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.78.0
[INFO] [stderr]   Downloaded wasmtime-types v0.31.0
[INFO] [stderr]   Downloaded io-lifetimes v0.3.3
[INFO] [stderr]   Downloaded wasmer-engine v2.1.0
[INFO] [stderr]   Downloaded rend v0.3.5
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.1.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.20
[INFO] [stderr]   Downloaded libc v0.2.110
[INFO] [stderr]   Downloaded cranelift-codegen v0.78.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f389fe0bc4f43cc53cd1ec2d3defc79524d2256ca225adee87841db10aaad3
[INFO] running `Command { std: "docker" "start" "-a" "b5f389fe0bc4f43cc53cd1ec2d3defc79524d2256ca225adee87841db10aaad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f389fe0bc4f43cc53cd1ec2d3defc79524d2256ca225adee87841db10aaad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f389fe0bc4f43cc53cd1ec2d3defc79524d2256ca225adee87841db10aaad3", kill_on_drop: false }`
[INFO] [stdout] b5f389fe0bc4f43cc53cd1ec2d3defc79524d2256ca225adee87841db10aaad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4c86facedcc7e773eb6b6e9f1a0755103e49948a73abc92aaaee4d2a7da0c9
[INFO] running `Command { std: "docker" "start" "-a" "cb4c86facedcc7e773eb6b6e9f1a0755103e49948a73abc92aaaee4d2a7da0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.110
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling bytecheck v0.6.7
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling rend v0.3.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rkyv v0.7.26
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.78.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]     Checking wasmparser v0.81.0
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking regalloc v0.0.32
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.0.28
[INFO] [stderr]    Compiling io-lifetimes v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[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] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[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" "cb4c86facedcc7e773eb6b6e9f1a0755103e49948a73abc92aaaee4d2a7da0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4c86facedcc7e773eb6b6e9f1a0755103e49948a73abc92aaaee4d2a7da0c9", kill_on_drop: false }`
[INFO] [stdout] cb4c86facedcc7e773eb6b6e9f1a0755103e49948a73abc92aaaee4d2a7da0c9