[INFO] cloning repository https://github.com/pragyandas/n-body-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pragyandas/n-body-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpragyandas%2Fn-body-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpragyandas%2Fn-body-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 608a2757b4ed1b8d98c04e3fa6e202ddc18fba31
[INFO] checking pragyandas/n-body-system against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpragyandas%2Fn-body-system" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pragyandas/n-body-system on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pragyandas/n-body-system
[INFO] finished tweaking git repo https://github.com/pragyandas/n-body-system
[INFO] tweaked toml for git repo https://github.com/pragyandas/n-body-system written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pragyandas/n-body-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e8907cabffb86840e7a90c1f0aad6401a4742b59ce7cf8b4376ec681893443d
[INFO] running `Command { std: "docker" "start" "-a" "2e8907cabffb86840e7a90c1f0aad6401a4742b59ce7cf8b4376ec681893443d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e8907cabffb86840e7a90c1f0aad6401a4742b59ce7cf8b4376ec681893443d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8907cabffb86840e7a90c1f0aad6401a4742b59ce7cf8b4376ec681893443d", kill_on_drop: false }`
[INFO] [stdout] 2e8907cabffb86840e7a90c1f0aad6401a4742b59ce7cf8b4376ec681893443d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1397071d8d8b9708940be2b667cc44b92b6b9e058185056386fb7de7fc3c6636
[INFO] running `Command { std: "docker" "start" "-a" "1397071d8d8b9708940be2b667cc44b92b6b9e058185056386fb7de7fc3c6636", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling gfx-backend-metal v0.3.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling tinystr v0.3.2
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling core-foundation-sys v0.6.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking storage-map v0.2.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking unic-langid-impl v0.8.0
[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-0.14.9/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=7442ed0dd4e6b0a0 -C extra-filename=-7442ed0dd4e6b0a0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9484658faf025066.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b9bf6e54186ef813.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.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" "1397071d8d8b9708940be2b667cc44b92b6b9e058185056386fb7de7fc3c6636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1397071d8d8b9708940be2b667cc44b92b6b9e058185056386fb7de7fc3c6636", kill_on_drop: false }`
[INFO] [stdout] 1397071d8d8b9708940be2b667cc44b92b6b9e058185056386fb7de7fc3c6636