[INFO] fetching crate sn0int 0.20.0...
[INFO] checking sn0int-0.20.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate sn0int 0.20.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sn0int 0.20.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sn0int 0.20.0
[INFO] finished tweaking crates.io crate sn0int 0.20.0
[INFO] tweaked toml for crates.io crate sn0int 0.20.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sn0int 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7211a597f6818a1fba9b471900c5be3d1f933a1fdb6f12d0289de6b8f4b122bb
[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" "7211a597f6818a1fba9b471900c5be3d1f933a1fdb6f12d0289de6b8f4b122bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7211a597f6818a1fba9b471900c5be3d1f933a1fdb6f12d0289de6b8f4b122bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7211a597f6818a1fba9b471900c5be3d1f933a1fdb6f12d0289de6b8f4b122bb", kill_on_drop: false }`
[INFO] [stdout] 7211a597f6818a1fba9b471900c5be3d1f933a1fdb6f12d0289de6b8f4b122bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e0dca2f6a82495346a9c79413187d0a0a2da0c884269b93fa26ff007f97734
[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" "b2e0dca2f6a82495346a9c79413187d0a0a2da0c884269b93fa26ff007f97734", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
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[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dtoa-short v0.3.3
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[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
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[INFO] [stderr]    Compiling syscallz v0.15.0
[INFO] [stderr]     Checking gif v0.11.1
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[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking net2 v0.2.37
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[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking nix v0.19.1
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[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking os-version v0.1.1
[INFO] [stderr]     Checking addr2line v0.14.0
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[INFO] [stderr]     Checking threadpool v1.8.1
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[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.0
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[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking idna v0.2.0
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[INFO] [stderr]     Checking block-buffer v0.9.0
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[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
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[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking md-5 v0.9.1
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[INFO] [stderr]     Checking blake2 v0.9.1
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[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
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[INFO] [stderr]     Checking webpki v0.21.4
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[INFO] [stderr]     Checking crossbeam-deque v0.7.3
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[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking mqtt-protocol v0.10.0
[INFO] [stderr]     Checking pem v0.8.2
[INFO] [stderr]     Checking shellwords v1.1.0
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking rustyline v5.0.6
[INFO] [stderr]     Checking hlua-badtouch v0.4.2
[INFO] [stderr]     Checking ct-logs v0.6.0
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[INFO] [stderr]     Checking tokio-threadpool v0.1.18
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[INFO] [stderr]     Checking caps v0.3.4
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking rstar v0.8.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusticata-macros v3.0.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking geo-types v0.6.2
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling der-oid-macro v0.3.0
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking geo v0.16.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking der-parser v5.0.0
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]     Checking oid-registry v0.1.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]     Checking boxxy v0.11.0
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr] error: could not compile `cssparser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.27.2/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=a221473436aea559 -C extra-filename=-a221473436aea559 --out-dir /opt/rustwide/target/debug/build/cssparser-a221473436aea559 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb4ba7198c8ab084.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5a69b9c9858fa556.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-42d658a9601154f2.rlib --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 `Command { std: "docker" "inspect" "b2e0dca2f6a82495346a9c79413187d0a0a2da0c884269b93fa26ff007f97734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e0dca2f6a82495346a9c79413187d0a0a2da0c884269b93fa26ff007f97734", kill_on_drop: false }`
[INFO] [stdout] b2e0dca2f6a82495346a9c79413187d0a0a2da0c884269b93fa26ff007f97734