[INFO] cloning repository https://github.com/coreos/tailor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coreos/tailor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Ftailor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Ftailor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98342a6483f4ed58d762fa412bb9d6d704dadfcc
[INFO] checking coreos/tailor against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Ftailor" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coreos/tailor 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/coreos/tailor
[INFO] finished tweaking git repo https://github.com/coreos/tailor
[INFO] tweaked toml for git repo https://github.com/coreos/tailor written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/coreos/tailor 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 persistent v0.4.0
[INFO] [stderr]   Downloaded mime_guess v1.8.4
[INFO] [stderr]   Downloaded serde_json v1.0.19
[INFO] [stderr]   Downloaded serde_derive v1.0.64
[INFO] [stderr]   Downloaded inotify v0.3.0
[INFO] [stderr]   Downloaded tokio-fs v0.1.0
[INFO] [stderr]   Downloaded tokio-timer v0.2.3
[INFO] [stderr]   Downloaded mime v0.3.7
[INFO] [stderr]   Downloaded tokio v0.1.6
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded sct v0.2.0
[INFO] [stderr]   Downloaded tokio-rustls v0.4.0
[INFO] [stderr]   Downloaded webpki v0.17.0
[INFO] [stderr]   Downloaded ct-logs v0.2.0
[INFO] [stderr]   Downloaded webpki-roots v0.13.0
[INFO] [stderr]   Downloaded buf_redux v0.6.3
[INFO] [stderr]   Downloaded multipart v0.13.6
[INFO] [stderr]   Downloaded rustls v0.11.0
[INFO] [stderr]   Downloaded urlencoded v0.6.0
[INFO] [stderr]   Downloaded nom v4.0.0
[INFO] [stderr]   Downloaded params v0.8.0
[INFO] [stderr]   Downloaded serde v1.0.64
[INFO] [stderr]   Downloaded hyper-rustls v0.11.0
[INFO] [stderr]   Downloaded github-rs v0.6.1
[INFO] [stderr]   Downloaded snap v0.2.4
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.3
[INFO] [stderr]   Downloaded handlebars v0.32.4
[INFO] [stderr]   Downloaded notify v4.0.3
[INFO] [stderr]   Downloaded handlebars-iron v0.26.2
[INFO] [stderr]   Downloaded bodyparser v0.8.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.4
[INFO] [stderr]   Downloaded syn v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 84afbe29c1d5e5531e8855b74040b509f0a39758b5c7b9239a31bf6558da57f6
[INFO] running `Command { std: "docker" "start" "-a" "84afbe29c1d5e5531e8855b74040b509f0a39758b5c7b9239a31bf6558da57f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84afbe29c1d5e5531e8855b74040b509f0a39758b5c7b9239a31bf6558da57f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84afbe29c1d5e5531e8855b74040b509f0a39758b5c7b9239a31bf6558da57f6", kill_on_drop: false }`
[INFO] [stdout] 84afbe29c1d5e5531e8855b74040b509f0a39758b5c7b9239a31bf6558da57f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 7f701d372d2390a40c9683f8a6407d2ef1ea03badb9ca877268abe0d6e40614d
[INFO] running `Command { std: "docker" "start" "-a" "7f701d372d2390a40c9683f8a6407d2ef1ea03badb9ca877268abe0d6e40614d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling serde v1.0.64
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking regex-syntax v0.6.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking snap v0.2.4
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking typemap v0.3.3
[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-0.6.0/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=6bea0f76f5f9ee98 -C extra-filename=-6bea0f76f5f9ee98 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-eb04546699b803c6.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" "7f701d372d2390a40c9683f8a6407d2ef1ea03badb9ca877268abe0d6e40614d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f701d372d2390a40c9683f8a6407d2ef1ea03badb9ca877268abe0d6e40614d", kill_on_drop: false }`
[INFO] [stdout] 7f701d372d2390a40c9683f8a6407d2ef1ea03badb9ca877268abe0d6e40614d