[INFO] cloning repository https://github.com/plaptov/ant_sim_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plaptov/ant_sim_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaptov%2Fant_sim_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaptov%2Fant_sim_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 873fea3d2ae596b03109f0b7e306fffe6af9c532
[INFO] checking plaptov/ant_sim_rs against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaptov%2Fant_sim_rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plaptov/ant_sim_rs on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/plaptov/ant_sim_rs
[INFO] finished tweaking git repo https://github.com/plaptov/ant_sim_rs
[INFO] tweaked toml for git repo https://github.com/plaptov/ant_sim_rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/plaptov/ant_sim_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 828b137ecc2ee7249eda3cc91c9e2b6691a03efc11295e221dc739ca602d38cb
[INFO] running `Command { std: "docker" "start" "-a" "828b137ecc2ee7249eda3cc91c9e2b6691a03efc11295e221dc739ca602d38cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "828b137ecc2ee7249eda3cc91c9e2b6691a03efc11295e221dc739ca602d38cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828b137ecc2ee7249eda3cc91c9e2b6691a03efc11295e221dc739ca602d38cb", kill_on_drop: false }`
[INFO] [stdout] 828b137ecc2ee7249eda3cc91c9e2b6691a03efc11295e221dc739ca602d38cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93642d6ee2a611e768657e2a3d3e174f4c5eb3228e4c16fa0e7c33601baedf3b
[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" "93642d6ee2a611e768657e2a3d3e174f4c5eb3228e4c16fa0e7c33601baedf3b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling syn v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ignore-result v0.2.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling intervaltree v0.2.4
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking findshlibs v0.5.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.1
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=e09a0b1979d1713a -C extra-filename=-e09a0b1979d1713a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8115c969f6e9e75a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c8c4589b60ce3921.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "93642d6ee2a611e768657e2a3d3e174f4c5eb3228e4c16fa0e7c33601baedf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93642d6ee2a611e768657e2a3d3e174f4c5eb3228e4c16fa0e7c33601baedf3b", kill_on_drop: false }`
[INFO] [stdout] 93642d6ee2a611e768657e2a3d3e174f4c5eb3228e4c16fa0e7c33601baedf3b