[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] 7d0311f75f1906ecf872e25b4613630c8ca0d0fe
[INFO] checking linyinfeng/mpi-traffic against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinyinfeng%2Fmpi-traffic" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linyinfeng/mpi-traffic on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 145db12cd0bba8cf28bbec13939234130b61bca34888baf1ce0e3cecae2c9c53
[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" "145db12cd0bba8cf28bbec13939234130b61bca34888baf1ce0e3cecae2c9c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "145db12cd0bba8cf28bbec13939234130b61bca34888baf1ce0e3cecae2c9c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145db12cd0bba8cf28bbec13939234130b61bca34888baf1ce0e3cecae2c9c53", kill_on_drop: false }`
[INFO] [stdout] 145db12cd0bba8cf28bbec13939234130b61bca34888baf1ce0e3cecae2c9c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06486df6690d37d244cc4e0ac47f436b44adcdc13bdda953f7154c6375edb46
[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" "a06486df6690d37d244cc4e0ac47f436b44adcdc13bdda953f7154c6375edb46", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling build-probe-mpi v0.1.1 (https://github.com/bsteinb/rsmpi.git#4f07e748)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling mpi v0.6.0 (https://github.com/bsteinb/rsmpi.git#4f07e748)
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.36.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.38/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=c1d022e0a2301d50 -C extra-filename=-c1d022e0a2301d50 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-091210945e98acc4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a7a073445149a473.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b13daac5d45350a3.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" "a06486df6690d37d244cc4e0ac47f436b44adcdc13bdda953f7154c6375edb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06486df6690d37d244cc4e0ac47f436b44adcdc13bdda953f7154c6375edb46", kill_on_drop: false }`
[INFO] [stdout] a06486df6690d37d244cc4e0ac47f436b44adcdc13bdda953f7154c6375edb46