[INFO] fetching crate sstb 0.3.0-alpha...
[INFO] checking sstb-0.3.0-alpha against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate sstb 0.3.0-alpha into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sstb 0.3.0-alpha on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5662b9171ab640669dd91140eaa49f10b51b5bb2915ca2f298008c7b2f883802
[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" "5662b9171ab640669dd91140eaa49f10b51b5bb2915ca2f298008c7b2f883802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5662b9171ab640669dd91140eaa49f10b51b5bb2915ca2f298008c7b2f883802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5662b9171ab640669dd91140eaa49f10b51b5bb2915ca2f298008c7b2f883802", kill_on_drop: false }`
[INFO] [stdout] 5662b9171ab640669dd91140eaa49f10b51b5bb2915ca2f298008c7b2f883802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 980e5c1fbdd8dd4c6662ce8dc3f3e7c0083367e19b7c421f67a4765ddc5da69f
[INFO] running `Command { std: "docker" "start" "-a" "980e5c1fbdd8dd4c6662ce8dc3f3e7c0083367e19b7c421f67a4765ddc5da69f", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking libc v0.2.95
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking bloomfilter v1.0.5
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling librocksdb-sys v6.17.3
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.64
[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=0c2cb861d8b48518 -C extra-filename=-0c2cb861d8b48518 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-ae8c7df95a1902f1.rmeta --extern cast=/opt/rustwide/target/debug/deps/libcast-41dadc88c041ec04.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-372813de005a9111.rmeta --extern criterion_plot=/opt/rustwide/target/debug/deps/libcriterion_plot-4cd59c0ccac03078.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-541314bb50fca957.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5564102c5d21467.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df97b860f7a76404.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-8ef945c0885de4cf.rmeta --extern oorandom=/opt/rustwide/target/debug/deps/liboorandom-e29d781ffc2a8ea4.rmeta --extern plotters=/opt/rustwide/target/debug/deps/libplotters-e961739f03821cca.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-cccadb87045c83df.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-2f1fb7a16b9f2d76.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3fa8ac28670a19e8.rmeta --extern serde_cbor=/opt/rustwide/target/debug/deps/libserde_cbor-491cf8eecd4c3d0d.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d038b00e666a9223.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1b58d55e959a915c.rmeta --extern tinytemplate=/opt/rustwide/target/debug/deps/libtinytemplate-8b274f75f4db621f.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-9459f94cffe3ee85.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] 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" "980e5c1fbdd8dd4c6662ce8dc3f3e7c0083367e19b7c421f67a4765ddc5da69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980e5c1fbdd8dd4c6662ce8dc3f3e7c0083367e19b7c421f67a4765ddc5da69f", kill_on_drop: false }`
[INFO] [stdout] 980e5c1fbdd8dd4c6662ce8dc3f3e7c0083367e19b7c421f67a4765ddc5da69f