[INFO] cloning repository https://github.com/nilslice/rust-wasm-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilslice/rust-wasm-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilslice%2Frust-wasm-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilslice%2Frust-wasm-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcc6fc06e3e976fda6d4119a96cbf9fd19dab455
[INFO] testing nilslice/rust-wasm-play/fcc6fc06e3e976fda6d4119a96cbf9fd19dab455 against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilslice%2Frust-wasm-play" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilslice/rust-wasm-play on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nilslice/rust-wasm-play
[INFO] finished tweaking git repo https://github.com/nilslice/rust-wasm-play
[INFO] tweaked toml for git repo https://github.com/nilslice/rust-wasm-play written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nilslice/rust-wasm-play 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wast v9.0.0
[INFO] [stderr]   Downloaded wig v0.12.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.10
[INFO] [stderr]   Downloaded proc-macro-error v0.4.10
[INFO] [stderr]   Downloaded wasmtime-runtime v0.12.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.59.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded wasmtime v0.12.0
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded wat v1.0.10
[INFO] [stderr]   Downloaded wasmtime-debug v0.12.0
[INFO] [stderr]   Downloaded wasmtime-interface-types v0.12.0
[INFO] [stderr]   Downloaded winx v0.12.0
[INFO] [stderr]   Downloaded walrus-macro v0.15.0
[INFO] [stderr]   Downloaded yanix v0.12.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.12.0
[INFO] [stderr]   Downloaded wasm-webidl-bindings v0.8.0
[INFO] [stderr]   Downloaded walrus v0.15.0
[INFO] [stderr]   Downloaded wasmparser v0.48.2
[INFO] [stderr]   Downloaded wasmtime-profiling v0.12.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.59.0
[INFO] [stderr]   Downloaded wasmtime-wasi v0.12.0
[INFO] [stderr]   Downloaded wasmtime-rust-macro v0.12.0
[INFO] [stderr]   Downloaded object v0.17.0
[INFO] [stderr]   Downloaded witx v0.8.3
[INFO] [stderr]   Downloaded faerie v0.14.0
[INFO] [stderr]   Downloaded wasmtime-rust v0.12.0
[INFO] [stderr]   Downloaded wasi-common v0.12.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb80f8e2ddabeae540b0c87d0a0f0398af63fe5b5732ae281985ff6b75d19117
[INFO] running `Command { std: "docker" "start" "-a" "cb80f8e2ddabeae540b0c87d0a0f0398af63fe5b5732ae281985ff6b75d19117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb80f8e2ddabeae540b0c87d0a0f0398af63fe5b5732ae281985ff6b75d19117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb80f8e2ddabeae540b0c87d0a0f0398af63fe5b5732ae281985ff6b75d19117", kill_on_drop: false }`
[INFO] [stdout] cb80f8e2ddabeae540b0c87d0a0f0398af63fe5b5732ae281985ff6b75d19117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f88217b636ad8bf8b1d124f72e492fbae04e6b19fa0ab048f49b1b87b47e070
[INFO] running `Command { std: "docker" "start" "-a" "3f88217b636ad8bf8b1d124f72e492fbae04e6b19fa0ab048f49b1b87b47e070", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.59.0
[INFO] [stderr]    Compiling regex-syntax v0.6.15
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.10
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.10
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling wasmparser v0.51.4
[INFO] [stderr]    Compiling wasmtime-environ v0.12.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.2
[INFO] [stderr]    Compiling wast v9.0.0
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling region v2.1.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.16/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 -C debuginfo=2 --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"' -C metadata=406f98b321d1d7dd -C extra-filename=-406f98b321d1d7dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f749ead4c488b32b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-717db1cdb9e41082.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1256a373de2a2211.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f88217b636ad8bf8b1d124f72e492fbae04e6b19fa0ab048f49b1b87b47e070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f88217b636ad8bf8b1d124f72e492fbae04e6b19fa0ab048f49b1b87b47e070", kill_on_drop: false }`
[INFO] [stdout] 3f88217b636ad8bf8b1d124f72e492fbae04e6b19fa0ab048f49b1b87b47e070