[INFO] fetching crate hunter 1.3.5...
[INFO] checking hunter-1.3.5 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate hunter 1.3.5 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate hunter 1.3.5 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hunter 1.3.5
[INFO] finished tweaking crates.io crate hunter 1.3.5
[INFO] tweaked toml for crates.io crate hunter 1.3.5 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate hunter 1.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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 async_value v0.2.5
[INFO] [stderr]   Downloaded make-cmd v0.1.0
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded muldiv v0.2.1
[INFO] [stderr]   Downloaded backtrace v0.3.42
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-player v0.14.0
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded glib v0.8.2
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-sys v0.8.1
[INFO] [stderr]   Downloaded pathbuftools v0.1.2
[INFO] [stderr]   Downloaded osstrtools v0.2.1
[INFO] [stderr]   Downloaded gstreamer-video-sys v0.8.1
[INFO] [stderr]   Downloaded sixel v0.3.2
[INFO] [stderr]   Downloaded inotify-sys v0.1.3
[INFO] [stderr]   Downloaded semver-parser v0.6.2
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded strum v0.15.0
[INFO] [stderr]   Downloaded strum_macros v0.15.0
[INFO] [stderr]   Downloaded bytesize v1.0.0
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded inotify v0.7.0
[INFO] [stderr]   Downloaded gstreamer-base v0.14.4
[INFO] [stderr]   Downloaded alphanumeric-sort v1.0.11
[INFO] [stderr]   Downloaded signal-notify v0.1.3
[INFO] [stderr]   Downloaded users v0.8.1
[INFO] [stderr]   Downloaded gstreamer-player-sys v0.8.0
[INFO] [stderr]   Downloaded dirs-2 v1.1.0
[INFO] [stderr]   Downloaded gstreamer v0.14.5
[INFO] [stderr]   Downloaded parse-ansi v0.1.6
[INFO] [stderr]   Downloaded gstreamer-app v0.14.0
[INFO] [stderr]   Downloaded lscolors v0.5.0
[INFO] [stderr]   Downloaded gstreamer-video v0.14.5
[INFO] [stderr]   Downloaded systemstat v0.1.5
[INFO] [stderr]   Downloaded sixel-sys v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0747848f8aee4680bdff42d885cca4b33bc7b63c0d53bdda6e94a1bfcc078b74
[INFO] running `Command { std: "docker" "start" "-a" "0747848f8aee4680bdff42d885cca4b33bc7b63c0d53bdda6e94a1bfcc078b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0747848f8aee4680bdff42d885cca4b33bc7b63c0d53bdda6e94a1bfcc078b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0747848f8aee4680bdff42d885cca4b33bc7b63c0d53bdda6e94a1bfcc078b74", kill_on_drop: false }`
[INFO] [stdout] 0747848f8aee4680bdff42d885cca4b33bc7b63c0d53bdda6e94a1bfcc078b74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a379b4da79dfb612343647148b3a21bb5f196d33872f327b104f78d4f0e330
[INFO] running `Command { std: "docker" "start" "-a" "a6a379b4da79dfb612343647148b3a21bb5f196d33872f327b104f78d4f0e330", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling gstreamer v0.14.5
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling gstreamer-base v0.14.4
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking muldiv v0.2.1
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling gstreamer-video v0.14.5
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling gstreamer-app v0.14.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling gstreamer-player v0.14.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking alphanumeric-sort v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking lscolors v0.5.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gstreamer-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-base-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-video-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-player-sys v0.8.0
[INFO] [stderr]    Compiling gstreamer-app-sys v0.8.1
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.3.9/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=992b7f586c93dc22 -C extra-filename=-992b7f586c93dc22 --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" "a6a379b4da79dfb612343647148b3a21bb5f196d33872f327b104f78d4f0e330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a379b4da79dfb612343647148b3a21bb5f196d33872f327b104f78d4f0e330", kill_on_drop: false }`
[INFO] [stdout] a6a379b4da79dfb612343647148b3a21bb5f196d33872f327b104f78d4f0e330