[INFO] cloning repository https://github.com/acminor/plad-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acminor/plad-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facminor%2Fplad-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facminor%2Fplad-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 542ef6591a6faebd60fe5bf3a7d4ae4309ff45b3
[INFO] checking acminor/plad-rust against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facminor%2Fplad-rust" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acminor/plad-rust on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/acminor/plad-rust
[INFO] finished tweaking git repo https://github.com/acminor/plad-rust
[INFO] tweaked toml for git repo https://github.com/acminor/plad-rust written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/acminor/plad-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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 tokio-executor v0.2.0-alpha.4
[INFO] [stderr]   Downloaded ctor v0.1.10
[INFO] [stderr]   Downloaded futures-timer v0.4.0
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.4
[INFO] [stderr]   Downloaded pyo3cls v0.8.4
[INFO] [stderr]   Downloaded tokio-io v0.2.0-alpha.4
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded capnpc v0.10.1
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.4
[INFO] [stderr]   Downloaded sqlite3-sys v0.12.0
[INFO] [stderr]   Downloaded unindent v0.1.5
[INFO] [stderr]   Downloaded tracing v0.1.9
[INFO] [stderr]   Downloaded sqlite v0.25.0
[INFO] [stderr]   Downloaded tokio-codec v0.2.0-alpha.4
[INFO] [stderr]   Downloaded pyo3 v0.8.4
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded inline-python-macros v0.3.2
[INFO] [stderr]   Downloaded inventory v0.1.4
[INFO] [stderr]   Downloaded inline-python v0.4.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.3
[INFO] [stderr]   Downloaded arrayfire v3.6.2
[INFO] [stderr]   Downloaded tokio v0.2.0-alpha.4
[INFO] [stderr]   Downloaded async-std v0.99.5
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded capnp v0.10.1
[INFO] [stderr]   Downloaded ring_buffer v0.1.3
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded inventory-impl v0.1.4
[INFO] [stderr]   Downloaded sqlite3-src v0.2.11
[INFO] [stderr]   Downloaded tokio-fs v0.2.0-alpha.4
[INFO] [stderr]   Downloaded tracing-core v0.1.6
[INFO] [stderr]   Downloaded tokio-macros v0.2.0-alpha.4
[INFO] [stderr]   Downloaded tokio-timer v0.3.0-alpha.4
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded tokio-net v0.2.0-alpha.4
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f984a34f549d816ca01b2e30968177050afee005206750bdb9e32726723537
[INFO] running `Command { std: "docker" "start" "-a" "08f984a34f549d816ca01b2e30968177050afee005206750bdb9e32726723537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f984a34f549d816ca01b2e30968177050afee005206750bdb9e32726723537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f984a34f549d816ca01b2e30968177050afee005206750bdb9e32726723537", kill_on_drop: false }`
[INFO] [stdout] 08f984a34f549d816ca01b2e30968177050afee005206750bdb9e32726723537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3042a87ab6013ca7902026fee2f7928b1896c38b1e3a67d89b97108db00c809f
[INFO] running `Command { std: "docker" "start" "-a" "3042a87ab6013ca7902026fee2f7928b1896c38b1e3a67d89b97108db00c809f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling capnp v0.10.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ring_buffer v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling semver v0.9.0
[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=4055627397d2cec7 -C extra-filename=-4055627397d2cec7 --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" "3042a87ab6013ca7902026fee2f7928b1896c38b1e3a67d89b97108db00c809f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3042a87ab6013ca7902026fee2f7928b1896c38b1e3a67d89b97108db00c809f", kill_on_drop: false }`
[INFO] [stdout] 3042a87ab6013ca7902026fee2f7928b1896c38b1e3a67d89b97108db00c809f