[INFO] cloning repository https://github.com/warpforge/warpgrapher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/warpforge/warpgrapher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarpforge%2Fwarpgrapher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarpforge%2Fwarpgrapher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4df10f621a6fd115194e545f98e2908ba30efd50
[INFO] checking warpforge/warpgrapher against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarpforge%2Fwarpgrapher" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/warpforge/warpgrapher on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/warpforge/warpgrapher
[INFO] finished tweaking git repo https://github.com/warpforge/warpgrapher
[INFO] tweaked toml for git repo https://github.com/warpforge/warpgrapher written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a11ca2364ce303d76e81bc5b343d0cf29b9d1e783370401fa90b7fc9c072f2ed
[INFO] running `Command { std: "docker" "start" "-a" "a11ca2364ce303d76e81bc5b343d0cf29b9d1e783370401fa90b7fc9c072f2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a11ca2364ce303d76e81bc5b343d0cf29b9d1e783370401fa90b7fc9c072f2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11ca2364ce303d76e81bc5b343d0cf29b9d1e783370401fa90b7fc9c072f2ed", kill_on_drop: false }`
[INFO] [stdout] a11ca2364ce303d76e81bc5b343d0cf29b9d1e783370401fa90b7fc9c072f2ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f7dada6a675acef4af68e9725087fddef7f325712987155fbf100a89e3b80f9
[INFO] running `Command { std: "docker" "start" "-a" "8f7dada6a675acef4af68e9725087fddef7f325712987155fbf100a89e3b80f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking log v0.4.14
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --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" "8f7dada6a675acef4af68e9725087fddef7f325712987155fbf100a89e3b80f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7dada6a675acef4af68e9725087fddef7f325712987155fbf100a89e3b80f9", kill_on_drop: false }`
[INFO] [stdout] 8f7dada6a675acef4af68e9725087fddef7f325712987155fbf100a89e3b80f9