[INFO] fetching crate ambient_std 0.2.0-rc8...
[INFO] checking ambient_std-0.2.0-rc8 against try#c7dcd44b00f701bf5d912cfabfad0f07883de539 for pr-111245
[INFO] extracting crate ambient_std 0.2.0-rc8 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ambient_std 0.2.0-rc8 on toolchain c7dcd44b00f701bf5d912cfabfad0f07883de539
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7dcd44b00f701bf5d912cfabfad0f07883de539" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ambient_std 0.2.0-rc8
[INFO] finished tweaking crates.io crate ambient_std 0.2.0-rc8
[INFO] tweaked toml for crates.io crate ambient_std 0.2.0-rc8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+c7dcd44b00f701bf5d912cfabfad0f07883de539" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7dcd44b00f701bf5d912cfabfad0f07883de539" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c7dcd44b00f701bf5d912cfabfad0f07883de539" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b5da36b76102b87ccdbec5388cc4f01673142adab0954bcff14977d0c5e6421
[INFO] running `Command { std: "docker" "start" "-a" "4b5da36b76102b87ccdbec5388cc4f01673142adab0954bcff14977d0c5e6421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b5da36b76102b87ccdbec5388cc4f01673142adab0954bcff14977d0c5e6421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5da36b76102b87ccdbec5388cc4f01673142adab0954bcff14977d0c5e6421", kill_on_drop: false }`
[INFO] [stdout] 4b5da36b76102b87ccdbec5388cc4f01673142adab0954bcff14977d0c5e6421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c7dcd44b00f701bf5d912cfabfad0f07883de539" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36dfe82fd543ea6ce3e2f3047cc8a8fcff6b0d9514500dbc7f7d3846d7927049
[INFO] running `Command { std: "docker" "start" "-a" "36dfe82fd543ea6ce3e2f3047cc8a8fcff6b0d9514500dbc7f7d3846d7927049", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling serde_derive v1.0.162
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling bumpalo v3.12.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking bitflags v2.2.1
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking gpu-descriptor v0.2.3
[INFO] [stderr]     Checking wgpu-types v0.16.0
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking glow v0.12.1
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking renderdoc-sys v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking profiling v1.0.8
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking puffin v0.14.3
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking as-any v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking ambient_cb v0.2.0
[INFO] [stderr]     Checking data-encoding v2.3.3
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=8e4bd4ab3e45cf99 -C extra-filename=-8e4bd4ab3e45cf99 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-516e696159394256.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-36a7556c7fff7c93.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3357ee1867c8a168.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "36dfe82fd543ea6ce3e2f3047cc8a8fcff6b0d9514500dbc7f7d3846d7927049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36dfe82fd543ea6ce3e2f3047cc8a8fcff6b0d9514500dbc7f7d3846d7927049", kill_on_drop: false }`
[INFO] [stdout] 36dfe82fd543ea6ce3e2f3047cc8a8fcff6b0d9514500dbc7f7d3846d7927049