[INFO] cloning repository https://github.com/heycam/wg-tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heycam/wg-tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 823b6624fb63268d53241e624042fe1510d7c215
[INFO] checking heycam/wg-tracker against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heycam/wg-tracker on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heycam/wg-tracker
[INFO] finished tweaking git repo https://github.com/heycam/wg-tracker
[INFO] tweaked toml for git repo https://github.com/heycam/wg-tracker written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/heycam/wg-tracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded miniz_oxide v0.2.1
[INFO] [stderr]   Downloaded h2 v0.1.18
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] [stderr]   Downloaded cargo_metadata v0.6.4
[INFO] [stderr]   Downloaded pulldown-cmark v0.2.0
[INFO] [stderr]   Downloaded bytecount v0.4.0
[INFO] [stderr]   Downloaded tokio v0.1.18
[INFO] [stderr]   Downloaded cookie_store v0.5.1
[INFO] [stderr]   Downloaded hyper v0.12.27
[INFO] [stderr]   Downloaded reqwest v0.9.15
[INFO] [stderr]   Downloaded graphql-parser v0.2.2
[INFO] [stderr]   Downloaded typetag v0.1.2
[INFO] [stderr]   Downloaded tokio-sync v0.1.4
[INFO] [stderr]   Downloaded skeptic v0.13.4
[INFO] [stderr]   Downloaded publicsuffix v1.5.2
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.13
[INFO] [stderr]   Downloaded syn v0.15.31
[INFO] [stderr]   Downloaded futures v0.1.26
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.90
[INFO] [stderr]   Downloaded flate2 v1.0.7
[INFO] [stderr]   Downloaded typetag-impl v0.1.2
[INFO] [stderr]   Downloaded graphql_query_derive v0.7.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.7.0
[INFO] [stderr]   Downloaded graphql_client v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a911c93a31fd88481c337a48af388e2ae932dcdc7da9b991bf280654c703e4d
[INFO] running `Command { std: "docker" "start" "-a" "2a911c93a31fd88481c337a48af388e2ae932dcdc7da9b991bf280654c703e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a911c93a31fd88481c337a48af388e2ae932dcdc7da9b991bf280654c703e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a911c93a31fd88481c337a48af388e2ae932dcdc7da9b991bf280654c703e4d", kill_on_drop: false }`
[INFO] [stdout] 2a911c93a31fd88481c337a48af388e2ae932dcdc7da9b991bf280654c703e4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310e78b6c710e4591b1c491384ae53583f6548af98ad2b7991d4e9b9c9ad852c
[INFO] running `Command { std: "docker" "start" "-a" "310e78b6c710e4591b1c491384ae53583f6548af98ad2b7991d4e9b9c9ad852c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling walkdir v2.2.7
[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-0.6.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=1129b3ff432b98e4 -C extra-filename=-1129b3ff432b98e4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-32f182af8d1803e6.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" "310e78b6c710e4591b1c491384ae53583f6548af98ad2b7991d4e9b9c9ad852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310e78b6c710e4591b1c491384ae53583f6548af98ad2b7991d4e9b9c9ad852c", kill_on_drop: false }`
[INFO] [stdout] 310e78b6c710e4591b1c491384ae53583f6548af98ad2b7991d4e9b9c9ad852c