[INFO] fetching crate interledger-settlement-engines 0.2.0...
[INFO] checking interledger-settlement-engines-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate interledger-settlement-engines 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate interledger-settlement-engines 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interledger-settlement-engines 0.2.0
[INFO] finished tweaking crates.io crate interledger-settlement-engines 0.2.0
[INFO] tweaked toml for crates.io crate interledger-settlement-engines 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate interledger-settlement-engines 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ddd8bdc2070814395d477ee4408e0bd5268e71cd018af9582fe68f904b48c8b
[INFO] running `Command { std: "docker" "start" "-a" "4ddd8bdc2070814395d477ee4408e0bd5268e71cd018af9582fe68f904b48c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ddd8bdc2070814395d477ee4408e0bd5268e71cd018af9582fe68f904b48c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddd8bdc2070814395d477ee4408e0bd5268e71cd018af9582fe68f904b48c8b", kill_on_drop: false }`
[INFO] [stdout] 4ddd8bdc2070814395d477ee4408e0bd5268e71cd018af9582fe68f904b48c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce9df056eeef50ab10c1e06894222fc8aaee37956c137bab22d6ede1c055eb0
[INFO] running `Command { std: "docker" "start" "-a" "0ce9df056eeef50ab10c1e06894222fc8aaee37956c137bab22d6ede1c055eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking metrics-core v0.5.1
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[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking rust-ini v0.13.0
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking rlp v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tracing-core v0.1.7
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking impl-rlp v0.2.0
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking stream-cancel v0.4.4
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking quanta v0.3.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking futures-retry v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking url v1.7.2
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -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=07e196a795c60280 -C extra-filename=-07e196a795c60280 --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" "0ce9df056eeef50ab10c1e06894222fc8aaee37956c137bab22d6ede1c055eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce9df056eeef50ab10c1e06894222fc8aaee37956c137bab22d6ede1c055eb0", kill_on_drop: false }`
[INFO] [stdout] 0ce9df056eeef50ab10c1e06894222fc8aaee37956c137bab22d6ede1c055eb0