[INFO] cloning repository https://github.com/jbrady42/mandlebrot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbrady42/mandlebrot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbrady42%2Fmandlebrot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbrady42%2Fmandlebrot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d993aed47653942d0d2abb200a9275b91034abc
[INFO] testing jbrady42/mandlebrot-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbrady42%2Fmandlebrot-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbrady42/mandlebrot-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbrady42/mandlebrot-rs
[INFO] finished tweaking git repo https://github.com/jbrady42/mandlebrot-rs
[INFO] tweaked toml for git repo https://github.com/jbrady42/mandlebrot-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jbrady42/mandlebrot-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded const-random v0.1.6
[INFO] [stderr]   Downloaded actix-router v0.1.5
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded actix-connect v0.2.5
[INFO] [stderr]   Downloaded actix-web-codegen v0.1.3
[INFO] [stderr]   Downloaded actix-server v0.6.1
[INFO] [stderr]   Downloaded png v0.15.2
[INFO] [stderr]   Downloaded tokio-udp v0.1.5
[INFO] [stderr]   Downloaded actix-codec v0.1.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.7.4
[INFO] [stderr]   Downloaded widestring v0.4.0
[INFO] [stderr]   Downloaded random_color v0.4.4
[INFO] [stderr]   Downloaded base64 v0.4.2
[INFO] [stderr]   Downloaded structopt v0.3.5
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded actix-web v1.0.9
[INFO] [stderr]   Downloaded actix-rt v0.2.6
[INFO] [stderr]   Downloaded actix-server-config v0.1.2
[INFO] [stderr]   Downloaded actix-utils v0.4.7
[INFO] [stderr]   Downloaded image v0.12.4
[INFO] [stderr]   Downloaded signal-hook v0.1.12
[INFO] [stderr]   Downloaded copyless v0.1.4
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded actix-service v0.4.2
[INFO] [stderr]   Downloaded enum-as-inner v0.2.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.20
[INFO] [stderr]   Downloaded ipconfig v0.2.1
[INFO] [stderr]   Downloaded ahash v0.2.18
[INFO] [stderr]   Downloaded actix-testing v0.1.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.11.1
[INFO] [stderr]   Downloaded image v0.22.3
[INFO] [stderr]   Downloaded smallvec v1.0.0
[INFO] [stderr]   Downloaded actix-http v0.2.11
[INFO] [stderr]   Downloaded awc v0.2.8
[INFO] [stderr]   Downloaded hashbrown v0.6.3
[INFO] [stderr]   Downloaded actix-threadpool v0.1.2
[INFO] [stderr]   Downloaded const-random-macro v0.1.6
[INFO] [stderr]   Downloaded image-base64 v0.1.0
[INFO] [stderr]   Downloaded rug v0.6.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abc602f0d7c8ff873b38640c45ecf29d6726b46c147a44b68629f5cee0d87dd9
[INFO] running `Command { std: "docker" "start" "-a" "abc602f0d7c8ff873b38640c45ecf29d6726b46c147a44b68629f5cee0d87dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc602f0d7c8ff873b38640c45ecf29d6726b46c147a44b68629f5cee0d87dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc602f0d7c8ff873b38640c45ecf29d6726b46c147a44b68629f5cee0d87dd9", kill_on_drop: false }`
[INFO] [stdout] abc602f0d7c8ff873b38640c45ecf29d6726b46c147a44b68629f5cee0d87dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 918ea86dde93bc53cc91686392e89e29dd7d940bed4c6913c74dc96fa6eaf71f
[INFO] running `Command { std: "docker" "start" "-a" "918ea86dde93bc53cc91686392e89e29dd7d940bed4c6913c74dc96fa6eaf71f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling rug v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling signal-hook v0.1.12
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling 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 /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="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=0ccf129b69e01aa6 -C extra-filename=-0ccf129b69e01aa6 --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" "918ea86dde93bc53cc91686392e89e29dd7d940bed4c6913c74dc96fa6eaf71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918ea86dde93bc53cc91686392e89e29dd7d940bed4c6913c74dc96fa6eaf71f", kill_on_drop: false }`
[INFO] [stdout] 918ea86dde93bc53cc91686392e89e29dd7d940bed4c6913c74dc96fa6eaf71f