[INFO] fetching crate pwasm-utils 0.17.0...
[INFO] checking pwasm-utils-0.17.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate pwasm-utils 0.17.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate pwasm-utils 0.17.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwasm-utils 0.17.0
[INFO] finished tweaking crates.io crate pwasm-utils 0.17.0
[INFO] tweaked toml for crates.io crate pwasm-utils 0.17.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate pwasm-utils 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] [stderr]   Downloaded parity-wasm v0.42.1
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded binaryen v0.8.2
[INFO] [stderr]   Downloaded binaryen-sys v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41c0f160a7d9cb41dd01cff5e05f1d970b5d6e17db9c625e10909afc857baf06
[INFO] running `Command { std: "docker" "start" "-a" "41c0f160a7d9cb41dd01cff5e05f1d970b5d6e17db9c625e10909afc857baf06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41c0f160a7d9cb41dd01cff5e05f1d970b5d6e17db9c625e10909afc857baf06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c0f160a7d9cb41dd01cff5e05f1d970b5d6e17db9c625e10909afc857baf06", kill_on_drop: false }`
[INFO] [stdout] 41c0f160a7d9cb41dd01cff5e05f1d970b5d6e17db9c625e10909afc857baf06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1abf52c5cb41722b4e3650a9dc275f6f84e4a38a04f9904629124134e7e8d39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1abf52c5cb41722b4e3650a9dc275f6f84e4a38a04f9904629124134e7e8d39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking parity-wasm v0.42.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking pwasm-utils v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[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-1.0.54/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=6d1c462f2bb612b3 -C extra-filename=-6d1c462f2bb612b3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8a8bb825df9136cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-944c052ceb08ffd8.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-083414e3434d8e82.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1abf52c5cb41722b4e3650a9dc275f6f84e4a38a04f9904629124134e7e8d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1abf52c5cb41722b4e3650a9dc275f6f84e4a38a04f9904629124134e7e8d39", kill_on_drop: false }`
[INFO] [stdout] b1abf52c5cb41722b4e3650a9dc275f6f84e4a38a04f9904629124134e7e8d39