[INFO] fetching crate wasmi 0.9.0...
[INFO] testing wasmi-0.9.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate wasmi 0.9.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate wasmi 0.9.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-76/source/.cargo/config
[INFO] started tweaking crates.io crate wasmi 0.9.0
[INFO] finished tweaking crates.io crate wasmi 0.9.0
[INFO] tweaked toml for crates.io crate wasmi 0.9.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate wasmi 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9375d6fbeaf154b88514f19df3b5730f6e912e1ef8e1d7a8187b752f77b4e0d0
[INFO] running `Command { std: "docker" "start" "-a" "9375d6fbeaf154b88514f19df3b5730f6e912e1ef8e1d7a8187b752f77b4e0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9375d6fbeaf154b88514f19df3b5730f6e912e1ef8e1d7a8187b752f77b4e0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9375d6fbeaf154b88514f19df3b5730f6e912e1ef8e1d7a8187b752f77b4e0d0", kill_on_drop: false }`
[INFO] [stdout] 9375d6fbeaf154b88514f19df3b5730f6e912e1ef8e1d7a8187b752f77b4e0d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe74ea137eb5bc4316295bae04f2b4d99ae22d374c38f079e8c69763ab7d154
[INFO] running `Command { std: "docker" "start" "-a" "3fe74ea137eb5bc4316295bae04f2b4d99ae22d374c38f079e8c69763ab7d154", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling parity-wasm v0.42.2
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling wasmi-validation v0.4.0
[INFO] [stderr]    Compiling wasmi v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "3fe74ea137eb5bc4316295bae04f2b4d99ae22d374c38f079e8c69763ab7d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe74ea137eb5bc4316295bae04f2b4d99ae22d374c38f079e8c69763ab7d154", kill_on_drop: false }`
[INFO] [stdout] 3fe74ea137eb5bc4316295bae04f2b4d99ae22d374c38f079e8c69763ab7d154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb5c5450e0086fba0ac86e0d378a05016498adc3feeb3016f9a0122dc1a06b1
[INFO] running `Command { std: "docker" "start" "-a" "6eb5c5450e0086fba0ac86e0d378a05016498adc3feeb3016f9a0122dc1a06b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wabt-sys v0.6.1
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.125/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=973d817f2b693966 -C extra-filename=-973d817f2b693966 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-23030fd07ba07dc5.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-8577de0eb80255c1.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-51c00a08648ab388.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts` (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" "6eb5c5450e0086fba0ac86e0d378a05016498adc3feeb3016f9a0122dc1a06b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb5c5450e0086fba0ac86e0d378a05016498adc3feeb3016f9a0122dc1a06b1", kill_on_drop: false }`
[INFO] [stdout] 6eb5c5450e0086fba0ac86e0d378a05016498adc3feeb3016f9a0122dc1a06b1