[INFO] fetching crate sstb 0.3.0-alpha...
[INFO] checking sstb-0.3.0-alpha against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate sstb 0.3.0-alpha into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sstb 0.3.0-alpha on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sstb 0.3.0-alpha
[INFO] finished tweaking crates.io crate sstb 0.3.0-alpha
[INFO] tweaked toml for crates.io crate sstb 0.3.0-alpha written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c33c2e8c724d0257c3ec9486aa00cce0b396226b034d3eb1b0180c8249481ac8
[INFO] running `Command { std: "docker" "start" "-a" "c33c2e8c724d0257c3ec9486aa00cce0b396226b034d3eb1b0180c8249481ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c33c2e8c724d0257c3ec9486aa00cce0b396226b034d3eb1b0180c8249481ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33c2e8c724d0257c3ec9486aa00cce0b396226b034d3eb1b0180c8249481ac8", kill_on_drop: false }`
[INFO] [stdout] c33c2e8c724d0257c3ec9486aa00cce0b396226b034d3eb1b0180c8249481ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dadedea8eafb6a72d064551b7fa647dcce92d0871cf2d2afa57df1f65b7c1d45
[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" "dadedea8eafb6a72d064551b7fa647dcce92d0871cf2d2afa57df1f65b7c1d45", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking bloomfilter v1.0.5
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling librocksdb-sys v6.17.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sstb v0.3.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr] error: could not compile `criterion`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name criterion --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/criterion-0.3.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="cargo_bench_support"' --cfg 'feature="default"' -C metadata=c714c06fe272579e -C extra-filename=-c714c06fe272579e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-655488e5e6645560.rmeta --extern cast=/opt/rustwide/target/debug/deps/libcast-5e2c218b1688938d.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-3ec782875d3c71ea.rmeta --extern criterion_plot=/opt/rustwide/target/debug/deps/libcriterion_plot-492b1757fcbdf761.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-7107730b580cbd2b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-a77dd147b04610d1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df97b860f7a76404.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-416358088c0055fc.rmeta --extern oorandom=/opt/rustwide/target/debug/deps/liboorandom-e29d781ffc2a8ea4.rmeta --extern plotters=/opt/rustwide/target/debug/deps/libplotters-ad768d54990dfbc5.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-8c8b98b272206b62.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5b9e0ce0d737e8e8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-eace52367984c5c1.rmeta --extern serde_cbor=/opt/rustwide/target/debug/deps/libserde_cbor-d22f0bb01d5ac997.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-dbf547e93174f9cb.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dd22275e1dfac09e.rmeta --extern tinytemplate=/opt/rustwide/target/debug/deps/libtinytemplate-376d26a3fd083f1f.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-fddecb740bbbd0b0.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dadedea8eafb6a72d064551b7fa647dcce92d0871cf2d2afa57df1f65b7c1d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadedea8eafb6a72d064551b7fa647dcce92d0871cf2d2afa57df1f65b7c1d45", kill_on_drop: false }`
[INFO] [stdout] dadedea8eafb6a72d064551b7fa647dcce92d0871cf2d2afa57df1f65b7c1d45