[INFO] cloning repository https://github.com/doc22940/flat.manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doc22940/flat.manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5252cb3f691d82d74b3ef5eb0276e216f215e461
[INFO] checking doc22940/flat.manager against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doc22940/flat.manager on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doc22940/flat.manager
[INFO] finished tweaking git repo https://github.com/doc22940/flat.manager
[INFO] tweaked toml for git repo https://github.com/doc22940/flat.manager written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/doc22940/flat.manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 596cd741cc3473193d845da11cdff8c7943be68e02d4f3a3a74df0663f7afe52
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "596cd741cc3473193d845da11cdff8c7943be68e02d4f3a3a74df0663f7afe52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "596cd741cc3473193d845da11cdff8c7943be68e02d4f3a3a74df0663f7afe52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596cd741cc3473193d845da11cdff8c7943be68e02d4f3a3a74df0663f7afe52", kill_on_drop: false }`
[INFO] [stdout] 596cd741cc3473193d845da11cdff8c7943be68e02d4f3a3a74df0663f7afe52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfd5225cc789747dbffb19dc668556927f6e99274cbb577d5d378ffdebc93378
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bfd5225cc789747dbffb19dc668556927f6e99274cbb577d5d378ffdebc93378", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking futures-locks v0.3.3
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking futures-fs v0.0.5
[INFO] [stderr]     Checking rand_chacha 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 --crate-type lib --emit=dep-info,metadata -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=e81ecb2840fc13a2 -C extra-filename=-e81ecb2840fc13a2 --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" "bfd5225cc789747dbffb19dc668556927f6e99274cbb577d5d378ffdebc93378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd5225cc789747dbffb19dc668556927f6e99274cbb577d5d378ffdebc93378", kill_on_drop: false }`
[INFO] [stdout] bfd5225cc789747dbffb19dc668556927f6e99274cbb577d5d378ffdebc93378