[INFO] crate casperlabs-engine-core 0.6.0 is already in cache
[INFO] documenting casperlabs-engine-core-0.6.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate casperlabs-engine-core 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate casperlabs-engine-core 0.6.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casperlabs-engine-core 0.6.0
[INFO] finished tweaking crates.io crate casperlabs-engine-core 0.6.0
[INFO] tweaked toml for crates.io crate casperlabs-engine-core 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab826d6ac1c5e920e3223f2c3d122a79e48b1243b134a2d8fa02122533c6b77
[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" "4ab826d6ac1c5e920e3223f2c3d122a79e48b1243b134a2d8fa02122533c6b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab826d6ac1c5e920e3223f2c3d122a79e48b1243b134a2d8fa02122533c6b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab826d6ac1c5e920e3223f2c3d122a79e48b1243b134a2d8fa02122533c6b77", kill_on_drop: false }`
[INFO] [stdout] 4ab826d6ac1c5e920e3223f2c3d122a79e48b1243b134a2d8fa02122533c6b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d527c18a50ab693bb26b5ed5ef591bbddcc0a44f0604fd41ad2f41fa556aa2c
[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" "4d527c18a50ab693bb26b5ed5ef591bbddcc0a44f0604fd41ad2f41fa556aa2c", kill_on_drop: false }`
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wabt-sys v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking pwasm-utils v0.12.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking lmdb v0.8.0
[INFO] [stderr] error: could not compile `proptest`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proptest --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="bit-set"' --cfg 'feature="break-dead-code"' --cfg 'feature="default"' --cfg 'feature="fork"' --cfg 'feature="lazy_static"' --cfg 'feature="quick-error"' --cfg 'feature="regex-syntax"' --cfg 'feature="rusty-fork"' --cfg 'feature="std"' --cfg 'feature="tempfile"' --cfg 'feature="timeout"' -C metadata=a6ec56763e43ac64 -C extra-filename=-a6ec56763e43ac64 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-3bfd5b4a9e7f4b45.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-49772556016eda4a.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-397e7684788fe93b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2c940d7bd864b5c.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-55d9cfe5d3c8800a.rmeta --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-6ba2993e863fe8fa.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d62bfd2fa5564fef.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-8bd8a9ee00e1c508.rmeta --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-4583fcd38480aa93.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-e48bfde27e3df045.rmeta --extern rusty_fork=/opt/rustwide/target/debug/deps/librusty_fork-151e04dcb495b5f1.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-8a16a15e077e7701.rmeta --cap-lints allow` (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" "4d527c18a50ab693bb26b5ed5ef591bbddcc0a44f0604fd41ad2f41fa556aa2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d527c18a50ab693bb26b5ed5ef591bbddcc0a44f0604fd41ad2f41fa556aa2c", kill_on_drop: false }`
[INFO] [stdout] 4d527c18a50ab693bb26b5ed5ef591bbddcc0a44f0604fd41ad2f41fa556aa2c