[INFO] fetching crate snail 0.4.0...
[INFO] checking snail-0.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate snail 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate snail 0.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snail 0.4.0
[INFO] finished tweaking crates.io crate snail 0.4.0
[INFO] tweaked toml for crates.io crate snail 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kuchiki v0.7.3
[INFO] [stderr]   Downloaded cssparser v0.25.9
[INFO] [stderr]   Downloaded html5ever v0.23.0
[INFO] [stderr]   Downloaded cssparser-macros v0.3.6
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] [stderr]   Downloaded pseudo v0.1.0
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded boxxy v0.7.0
[INFO] [stderr]   Downloaded rustls v0.13.1
[INFO] [stderr]   Downloaded rusqlite v0.15.0
[INFO] [stderr]   Downloaded mrsc v0.3.1
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded markup5ever v0.8.1
[INFO] [stderr]   Downloaded lua52-sys v0.1.2
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded users v0.7.0
[INFO] [stderr]   Downloaded radix_trie v0.1.6
[INFO] [stderr]   Downloaded syscallz v0.7.0
[INFO] [stderr]   Downloaded sct v0.4.0
[INFO] [stderr]   Downloaded hlua-badtouch v0.4.2
[INFO] [stderr]   Downloaded tokio-rustls v0.8.1
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded webpki v0.18.1
[INFO] [stderr]   Downloaded tokio-rustls v0.7.2
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.7
[INFO] [stderr]   Downloaded selectors v0.21.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.10
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.12
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] [stderr]   Downloaded hyper-rustls v0.14.0
[INFO] [stderr]   Downloaded caps v0.2.0
[INFO] [stderr]   Downloaded dhcp4r v0.1.0
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded ct-logs v0.4.0
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded trust-dns v0.15.1
[INFO] [stderr]   Downloaded libsqlite3-sys v0.10.0
[INFO] [stderr]   Downloaded zmq-sys v0.8.3
[INFO] [stderr]   Downloaded rustls v0.14.0
[INFO] [stderr]   Downloaded trust-dns-server v0.15.0
[INFO] [stderr]   Downloaded zmq v0.8.3
[INFO] [stderr]   Downloaded webpki-roots v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57329f6a39c41139df3b19b4c7a4393f58ccd10cf8abc78bee6408b3d1b653aa
[INFO] running `Command { std: "docker" "start" "-a" "57329f6a39c41139df3b19b4c7a4393f58ccd10cf8abc78bee6408b3d1b653aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57329f6a39c41139df3b19b4c7a4393f58ccd10cf8abc78bee6408b3d1b653aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57329f6a39c41139df3b19b4c7a4393f58ccd10cf8abc78bee6408b3d1b653aa", kill_on_drop: false }`
[INFO] [stdout] 57329f6a39c41139df3b19b4c7a4393f58ccd10cf8abc78bee6408b3d1b653aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dec8017fdd28f40f3fdf50dae1578231f1f0f4ce0a599aa233224f2de7bfe3b
[INFO] running `Command { std: "docker" "start" "-a" "8dec8017fdd28f40f3fdf50dae1578231f1f0f4ce0a599aa233224f2de7bfe3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling seccomp-sys v0.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking reduce v0.1.4
[INFO] [stderr]     Checking mrsc v0.3.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking pseudo v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[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]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking users v0.7.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.10.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking dhcp4r v0.1.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling zmq-sys v0.8.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking caps v0.2.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking syscallz v0.7.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=c3aa7da090b61135 -C extra-filename=-c3aa7da090b61135 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "8dec8017fdd28f40f3fdf50dae1578231f1f0f4ce0a599aa233224f2de7bfe3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dec8017fdd28f40f3fdf50dae1578231f1f0f4ce0a599aa233224f2de7bfe3b", kill_on_drop: false }`
[INFO] [stdout] 8dec8017fdd28f40f3fdf50dae1578231f1f0f4ce0a599aa233224f2de7bfe3b