[INFO] cloning repository https://github.com/linyinfeng/mpi-traffic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linyinfeng/mpi-traffic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinyinfeng%2Fmpi-traffic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinyinfeng%2Fmpi-traffic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73dcda4abc221004360fe318c2e48776b517d7c5
[INFO] testing linyinfeng/mpi-traffic against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinyinfeng%2Fmpi-traffic" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linyinfeng/mpi-traffic on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/linyinfeng/mpi-traffic
[INFO] finished tweaking git repo https://github.com/linyinfeng/mpi-traffic
[INFO] tweaked toml for git repo https://github.com/linyinfeng/mpi-traffic written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/linyinfeng/mpi-traffic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libffi v0.6.4
[INFO] [stderr]   Downloaded libffi-sys v0.6.3
[INFO] [stderr]   Downloaded bindgen v0.31.3
[INFO] [stderr]   Downloaded mpi-sys v0.1.2
[INFO] [stderr]   Downloaded build-probe-mpi v0.1.1
[INFO] [stderr]   Downloaded abort_on_panic v1.0.0
[INFO] [stderr]   Downloaded mpi v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebb64a5d53c32b96978f598b35778ef6e606b48ee4f0baaefdff835f79af9581
[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" "ebb64a5d53c32b96978f598b35778ef6e606b48ee4f0baaefdff835f79af9581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb64a5d53c32b96978f598b35778ef6e606b48ee4f0baaefdff835f79af9581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb64a5d53c32b96978f598b35778ef6e606b48ee4f0baaefdff835f79af9581", kill_on_drop: false }`
[INFO] [stdout] ebb64a5d53c32b96978f598b35778ef6e606b48ee4f0baaefdff835f79af9581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d085be167836c9ca63d38b3185167a22430cfaa80502abef7971ecbe389dbdcb
[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" "d085be167836c9ca63d38b3185167a22430cfaa80502abef7971ecbe389dbdcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling bindgen v0.31.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling abort_on_panic v1.0.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling build-probe-mpi v0.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling piston2d-graphics v0.39.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling mpi v0.5.4
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[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-0.5.6/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 -C metadata=b8a2b6999f43b6a5 -C extra-filename=-b8a2b6999f43b6a5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-6ed559ca06d7f02a.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" "d085be167836c9ca63d38b3185167a22430cfaa80502abef7971ecbe389dbdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d085be167836c9ca63d38b3185167a22430cfaa80502abef7971ecbe389dbdcb", kill_on_drop: false }`
[INFO] [stdout] d085be167836c9ca63d38b3185167a22430cfaa80502abef7971ecbe389dbdcb