[INFO] fetching crate mdn 0.1.3...
[INFO] checking mdn-0.1.3 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate mdn 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mdn 0.1.3 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 mdn 0.1.3
[INFO] finished tweaking crates.io crate mdn 0.1.3
[INFO] tweaked toml for crates.io crate mdn 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mdn 0.1.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 98790e5d1a5331e233a46a5478e68d204a9a0ceeab81fa962b74ea15bde1be95
[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" "98790e5d1a5331e233a46a5478e68d204a9a0ceeab81fa962b74ea15bde1be95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98790e5d1a5331e233a46a5478e68d204a9a0ceeab81fa962b74ea15bde1be95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98790e5d1a5331e233a46a5478e68d204a9a0ceeab81fa962b74ea15bde1be95", kill_on_drop: false }`
[INFO] [stdout] 98790e5d1a5331e233a46a5478e68d204a9a0ceeab81fa962b74ea15bde1be95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c96c37b1c174e3b76376eda621a282f48cc6ceff02691c00455fdc1eb4b2a657
[INFO] running `Command { std: "docker" "start" "-a" "c96c37b1c174e3b76376eda621a282f48cc6ceff02691c00455fdc1eb4b2a657", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling isahc v0.9.10
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling http-types v2.5.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking polling v2.0.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking futures-lite v1.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking polyval v0.4.1
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling onig_sys v69.5.1
[INFO] [stderr]    Compiling libgit2-sys v0.12.13+1.0.1
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking onig v6.1.0
[INFO] [stderr]    Compiling bat v0.16.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking async-std v1.6.5
[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=8ed99d1e77d15efd -C extra-filename=-8ed99d1e77d15efd --out-dir /opt/rustwide/target/debug/build/cssparser-8ed99d1e77d15efd -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-33642d99cc055f47.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-01bb68d4dc496670.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" "c96c37b1c174e3b76376eda621a282f48cc6ceff02691c00455fdc1eb4b2a657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96c37b1c174e3b76376eda621a282f48cc6ceff02691c00455fdc1eb4b2a657", kill_on_drop: false }`
[INFO] [stdout] c96c37b1c174e3b76376eda621a282f48cc6ceff02691c00455fdc1eb4b2a657