[INFO] fetching crate pwasm-utils 0.14.0...
[INFO] checking pwasm-utils-0.14.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate pwasm-utils 0.14.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pwasm-utils 0.14.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwasm-utils 0.14.0
[INFO] finished tweaking crates.io crate pwasm-utils 0.14.0
[INFO] tweaked toml for crates.io crate pwasm-utils 0.14.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pwasm-utils 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 335021621d44f2203cfbb1b804d0ebfdf296367e94cc8e84a684298f95a8c29e
[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" "335021621d44f2203cfbb1b804d0ebfdf296367e94cc8e84a684298f95a8c29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "335021621d44f2203cfbb1b804d0ebfdf296367e94cc8e84a684298f95a8c29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335021621d44f2203cfbb1b804d0ebfdf296367e94cc8e84a684298f95a8c29e", kill_on_drop: false }`
[INFO] [stdout] 335021621d44f2203cfbb1b804d0ebfdf296367e94cc8e84a684298f95a8c29e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b641840f02ecea5e0478347d07d40bd7872b363ed028708cf4a7f80df76617
[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" "e1b641840f02ecea5e0478347d07d40bd7872b363ed028708cf4a7f80df76617", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]     Checking pwasm-utils v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking serde_json v1.0.57
[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-1.0.114/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=34fd51d4bb4b5476 -C extra-filename=-34fd51d4bb4b5476 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-71c5aa24984e0547.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-86659819dd43cd20.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-fdef477371c067a1.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --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" "e1b641840f02ecea5e0478347d07d40bd7872b363ed028708cf4a7f80df76617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b641840f02ecea5e0478347d07d40bd7872b363ed028708cf4a7f80df76617", kill_on_drop: false }`
[INFO] [stdout] e1b641840f02ecea5e0478347d07d40bd7872b363ed028708cf4a7f80df76617
