[INFO] cloning repository https://github.com/palfrey/gasconade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palfrey/gasconade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fgasconade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fgasconade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed18674121810c06ffc67bfb91846323c42a7d02
[INFO] testing palfrey/gasconade against try#28eff87d300677d3acc4d7129d31c74bf885cf6d for pr-94775
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fgasconade" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/palfrey/gasconade on toolchain 28eff87d300677d3acc4d7129d31c74bf885cf6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/palfrey/gasconade
[INFO] finished tweaking git repo https://github.com/palfrey/gasconade
[INFO] tweaked toml for git repo https://github.com/palfrey/gasconade written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/palfrey/gasconade already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eeee1a4ef27c7a13c934cabf8ad1ed9a317d9e2eb0586735174a55d7bfe5faf
[INFO] running `Command { std: "docker" "start" "-a" "9eeee1a4ef27c7a13c934cabf8ad1ed9a317d9e2eb0586735174a55d7bfe5faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eeee1a4ef27c7a13c934cabf8ad1ed9a317d9e2eb0586735174a55d7bfe5faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eeee1a4ef27c7a13c934cabf8ad1ed9a317d9e2eb0586735174a55d7bfe5faf", kill_on_drop: false }`
[INFO] [stdout] 9eeee1a4ef27c7a13c934cabf8ad1ed9a317d9e2eb0586735174a55d7bfe5faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 357739d1cd7d452c07bf7397d4771daf8d5736a4b0813f221d229b7de2ce0fe8
[INFO] running `Command { std: "docker" "start" "-a" "357739d1cd7d452c07bf7397d4771daf8d5736a4b0813f221d229b7de2ce0fe8", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling libc v0.2.67
[INFO] [stderr] Compiling cfg-if v0.1.10
[INFO] [stderr] Compiling serde v1.0.124
[INFO] [stderr] Compiling log v0.4.8
[INFO] [stderr] Compiling byteorder v1.3.4
[INFO] [stderr] Compiling version_check v0.1.3
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling autocfg v1.0.0
[INFO] [stderr] Compiling matches v0.1.6
[INFO] [stderr] Compiling cc v1.0.50
[INFO] [stderr] Compiling unicode-normalization v0.1.7
[INFO] [stderr] Compiling siphasher v0.2.2
[INFO] [stderr] Compiling safemem v0.2.0
[INFO] [stderr] Compiling itoa v0.4.1
[INFO] [stderr] Compiling httparse v1.3.2
[INFO] [stderr] Compiling maybe-uninit v2.0.0
[INFO] [stderr] Compiling num-traits v0.2.5
[INFO] [stderr] Compiling scopeguard v1.1.0
[INFO] [stderr] Compiling dtoa v0.4.2
[INFO] [stderr] Compiling traitobject v0.1.0
[INFO] [stderr] Compiling typenum v1.10.0
[INFO] [stderr] Compiling version_check v0.9.1
[INFO] [stderr] Compiling autocfg v0.1.7
[INFO] [stderr] Compiling rand_core v0.4.2
[INFO] [stderr] Compiling spin v0.5.2
[INFO] [stderr] Compiling num-integer v0.1.39
[INFO] [stderr] Compiling constant_time_eq v0.1.3
[INFO] [stderr] Compiling modifier v0.1.0
[INFO] [stderr] Compiling memchr v2.3.3
[INFO] [stderr] Compiling arrayref v0.3.4
[INFO] [stderr] Compiling byte-tools v0.2.0
[INFO] [stderr] Compiling fake-simd v0.1.2
[INFO] [stderr] Compiling proc-macro2 v1.0.24
[INFO] [stderr] Compiling unicode-xid v0.2.1
[INFO] [stderr] Compiling md5 v0.3.7
[INFO] [stderr] Compiling fallible-iterator v0.1.4
[INFO] [stderr] Compiling try-lock v0.2.2
[INFO] [stderr] Compiling num-iter v0.1.37
[INFO] [stderr] Compiling uuid v0.5.1
[INFO] [stderr] Compiling hex v0.2.0
[INFO] [stderr] Compiling syn v1.0.62
[INFO] [stderr] Compiling linked-hash-map v0.5.4
[INFO] [stderr] Compiling antidote v1.0.0
[INFO] [stderr] Compiling remove_dir_all v0.5.1
[INFO] [stderr] Compiling encoding_rs v0.8.22
[INFO] [stderr] Compiling void v1.0.2
[INFO] [stderr] Compiling smallvec v1.6.1
[INFO] [stderr] Compiling serde_derive v1.0.124
[INFO] [stderr] Compiling rle-decode-fast v1.0.1
[INFO] [stderr] Compiling rustc-demangle v0.1.8
[INFO] [stderr] Compiling regex v1.0.1
[INFO] [stderr] Compiling take_mut v0.2.2
[INFO] [stderr] Compiling ucd-util v0.1.1
[INFO] [stderr] Compiling arc-swap v0.4.8
[INFO] [stderr] Compiling utf8-ranges v1.0.0
[INFO] [stderr] Compiling percent-encoding v2.1.0
[INFO] [stderr] Compiling log-mdc v0.1.0
[INFO] [stderr] Compiling route-recognizer v0.1.12
[INFO] [stderr] Compiling base64 v0.13.0
[INFO] [stderr] Compiling semver v0.9.0
[INFO] [stderr] Compiling tokio-sync v0.1.8
[INFO] [stderr] Compiling humantime v1.1.1
[INFO] [stderr] Compiling block-buffer v0.3.3
[INFO] [stderr] Compiling scheduled-thread-pool v0.2.0
[INFO] [stderr] Compiling unreachable v1.0.0
[INFO] [stderr] Compiling crc32fast v1.2.0
[INFO] [stderr] Compiling unsafe-any v0.4.2
[INFO] [stderr] Compiling unicode-bidi v0.3.4
[INFO] [stderr] Compiling typemap v0.3.3
[INFO] [stderr] Compiling lock_api v0.3.4
[INFO] [stderr] Compiling rand_core v0.3.1
[INFO] [stderr] Compiling rand_jitter v0.1.4
[INFO] [stderr] Compiling plugin v0.2.6
[INFO] [stderr] Compiling yaml-rust v0.4.5
[INFO] [stderr] Compiling regex-syntax v0.6.1
[INFO] [stderr] Compiling libflate v0.1.27
[INFO] [stderr] Compiling rustc_version v0.2.3
[INFO] [stderr] Compiling unicase v2.6.0
[INFO] [stderr] Compiling error-chain v0.12.4
[INFO] [stderr] Compiling thread_local v0.3.5
[INFO] [stderr] Compiling unicase v1.4.2
[INFO] [stderr] Compiling crossbeam-utils v0.7.2
[INFO] [stderr] Compiling crossbeam-epoch v0.8.2
[INFO] [stderr] Compiling indexmap v1.3.2
[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 smallvec v0.6.13
[INFO] [stderr] Compiling ring v0.14.6
[INFO] [stderr] Compiling miniz-sys v0.1.10
[INFO] [stderr] Compiling backtrace-sys v0.1.23
[INFO] [stderr] Compiling memoffset v0.5.3
[INFO] [stderr] Compiling parking_lot_core v0.6.2
[INFO] [stderr] Compiling parking_lot v0.9.0
[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 base64 v0.9.2
[INFO] [stderr] Compiling base64 v0.6.0
[INFO] [stderr] Compiling base64 v0.10.1
[INFO] [stderr] Compiling twoway v0.1.8
[INFO] [stderr] Compiling aho-corasick v0.6.5
[INFO] [stderr] Compiling idna v0.1.4
[INFO] [stderr] Compiling stringprep v0.1.2
[INFO] [stderr] Compiling idna v0.2.0
[INFO] [stderr] Compiling phf_shared v0.7.21
[INFO] [stderr] Compiling phf v0.7.21
[INFO] [stderr] Compiling generic-array v0.9.0
[INFO] [stderr] Compiling mime v0.3.7
[INFO] [stderr] Compiling mime_guess v2.0.3
[INFO] [stderr] Compiling rand v0.4.2
[INFO] [stderr] Compiling iovec v0.1.4
[INFO] [stderr] Compiling num_cpus v1.8.0
[INFO] [stderr] Compiling time v0.1.42
[INFO] [stderr] Compiling memchr v1.0.2
[INFO] [stderr] Compiling net2 v0.2.33
[INFO] [stderr] Compiling socket2 v0.3.7
[INFO] [stderr] Compiling rand_os v0.1.3
[INFO] [stderr] Compiling parking_lot_core v0.7.2
[INFO] [stderr] Compiling thread-id v3.3.0
[INFO] [stderr] Compiling bytes v0.4.8
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Compiling digest v0.7.4
[INFO] [stderr] Compiling crypto-mac v0.5.2
[INFO] [stderr] Compiling buf_redux v0.6.3
[INFO] [stderr] Compiling futures-cpupool v0.1.8
[INFO] [stderr] Compiling parking_lot v0.10.2
[INFO] [stderr] Compiling url v1.7.2
[INFO] [stderr] Compiling string v0.2.1
[INFO] [stderr] Compiling http v0.1.21
[INFO] [stderr] Compiling tokio-executor v0.1.10
[INFO] [stderr] Compiling crossbeam-queue v0.2.1
[INFO] [stderr] Compiling hmac v0.5.0
[INFO] [stderr] Compiling sha2 v0.7.1
[INFO] [stderr] Compiling tokio-current-thread v0.1.7
[INFO] [stderr] Compiling tokio-timer v0.2.13
[INFO] [stderr] Compiling flate2 v1.0.1
[INFO] [stderr] Compiling ordered-float v1.1.1
[INFO] [stderr] Compiling num-complex v0.1.43
[INFO] [stderr] Compiling crossbeam-deque v0.7.3
[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-0.6.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=627754b70104061a -C extra-filename=-627754b70104061a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-409a4dac3dbdbcb9.rmeta --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" "357739d1cd7d452c07bf7397d4771daf8d5736a4b0813f221d229b7de2ce0fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357739d1cd7d452c07bf7397d4771daf8d5736a4b0813f221d229b7de2ce0fe8", kill_on_drop: false }`
[INFO] [stdout] 357739d1cd7d452c07bf7397d4771daf8d5736a4b0813f221d229b7de2ce0fe8