[INFO] fetching crate mber 0.1.8...
[INFO] checking mber-0.1.8 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate mber 0.1.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mber 0.1.8 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mber 0.1.8
[INFO] finished tweaking crates.io crate mber 0.1.8
[INFO] tweaked toml for crates.io crate mber 0.1.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mber 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sass-sys v0.4.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7255032cb3bfa91989084252dbe031bba39e4ab7465eaef01d5b0c933fcab651
[INFO] running `Command { std: "docker" "start" "-a" "7255032cb3bfa91989084252dbe031bba39e4ab7465eaef01d5b0c933fcab651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7255032cb3bfa91989084252dbe031bba39e4ab7465eaef01d5b0c933fcab651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7255032cb3bfa91989084252dbe031bba39e4ab7465eaef01d5b0c933fcab651", kill_on_drop: false }`
[INFO] [stdout] 7255032cb3bfa91989084252dbe031bba39e4ab7465eaef01d5b0c933fcab651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9592820ccff2af28abb1f4a94ee43863f3c5532376776693715d038ac914af2a
[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" "9592820ccff2af28abb1f4a94ee43863f3c5532376776693715d038ac914af2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling sass-sys v0.4.14
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[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=3f70d8a6856e2bad -C extra-filename=-3f70d8a6856e2bad --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" "9592820ccff2af28abb1f4a94ee43863f3c5532376776693715d038ac914af2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9592820ccff2af28abb1f4a94ee43863f3c5532376776693715d038ac914af2a", kill_on_drop: false }`
[INFO] [stdout] 9592820ccff2af28abb1f4a94ee43863f3c5532376776693715d038ac914af2a