[INFO] fetching crate casperlabs-engine-shared 0.6.0...
[INFO] checking casperlabs-engine-shared-0.6.0 against try#e2aab98dd8975a0990f9fbb79b3ea4b40559a184 for pr-72493
[INFO] extracting crate casperlabs-engine-shared 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate casperlabs-engine-shared 0.6.0 on toolchain e2aab98dd8975a0990f9fbb79b3ea4b40559a184
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate casperlabs-engine-shared 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate casperlabs-engine-shared 0.6.0
[INFO] tweaked toml for crates.io crate casperlabs-engine-shared 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4f1b36be15b408ea9d1f6b0c01f6c665996c6fed985e5c700953b2b8f60e18e
[INFO] running `"docker" "start" "-a" "e4f1b36be15b408ea9d1f6b0c01f6c665996c6fed985e5c700953b2b8f60e18e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]    Compiling wabt-sys v0.7.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking failure v0.1.8
[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-1.0.110/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=22c58676d6d66a6c -C extra-filename=-22c58676d6d66a6c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5a20bb0a0e904af4.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1bd55ef699953fd3.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-9f8560e3edd7f47c.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 `"docker" "inspect" "e4f1b36be15b408ea9d1f6b0c01f6c665996c6fed985e5c700953b2b8f60e18e"`
[INFO] running `"docker" "rm" "-f" "e4f1b36be15b408ea9d1f6b0c01f6c665996c6fed985e5c700953b2b8f60e18e"`
[INFO] [stdout] e4f1b36be15b408ea9d1f6b0c01f6c665996c6fed985e5c700953b2b8f60e18e