[INFO] fetching crate wasmi 0.6.2...
[INFO] checking wasmi-0.6.2 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate wasmi 0.6.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmi 0.6.2 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate wasmi 0.6.2
[INFO] finished tweaking crates.io crate wasmi 0.6.2
[INFO] tweaked toml for crates.io crate wasmi 0.6.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate wasmi 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wabt-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d67fbc1c4c7894165e752db3e0f9a67eadac2a06ee0a968cb345c48e60cc763a
[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" "d67fbc1c4c7894165e752db3e0f9a67eadac2a06ee0a968cb345c48e60cc763a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d67fbc1c4c7894165e752db3e0f9a67eadac2a06ee0a968cb345c48e60cc763a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67fbc1c4c7894165e752db3e0f9a67eadac2a06ee0a968cb345c48e60cc763a", kill_on_drop: false }`
[INFO] [stdout] d67fbc1c4c7894165e752db3e0f9a67eadac2a06ee0a968cb345c48e60cc763a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ae97b3cbceeb4cd013d138f07fa48361f536a923a9798728dbe13a5f4edb68
[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" "b0ae97b3cbceeb4cd013d138f07fa48361f536a923a9798728dbe13a5f4edb68", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling wabt-sys v0.7.0
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking wasmi v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking serde_json v1.0.37
[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-1.0.85/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=5151c2409eb0b635 -C extra-filename=-5151c2409eb0b635 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c120070e59370887.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-d46402b680a70989.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-26625553981be085.rlib --extern proc_macro --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" "b0ae97b3cbceeb4cd013d138f07fa48361f536a923a9798728dbe13a5f4edb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ae97b3cbceeb4cd013d138f07fa48361f536a923a9798728dbe13a5f4edb68", kill_on_drop: false }`
[INFO] [stdout] b0ae97b3cbceeb4cd013d138f07fa48361f536a923a9798728dbe13a5f4edb68
