[INFO] cloning repository https://github.com/tarkah/karaoke-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarkah/karaoke-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Fkaraoke-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Fkaraoke-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0747427e6f2eb3a81482dbe3f7181cb5120feced
[INFO] checking tarkah/karaoke-rs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Fkaraoke-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarkah/karaoke-rs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tarkah/karaoke-rs
[INFO] finished tweaking git repo https://github.com/tarkah/karaoke-rs
[INFO] tweaked toml for git repo https://github.com/tarkah/karaoke-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tarkah/karaoke-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0f1bbff3731fcd6bc3dbbfed7d84a54d2219f7996c73b137dc28967a9c8b33
[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" "2d0f1bbff3731fcd6bc3dbbfed7d84a54d2219f7996c73b137dc28967a9c8b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0f1bbff3731fcd6bc3dbbfed7d84a54d2219f7996c73b137dc28967a9c8b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0f1bbff3731fcd6bc3dbbfed7d84a54d2219f7996c73b137dc28967a9c8b33", kill_on_drop: false }`
[INFO] [stdout] 2d0f1bbff3731fcd6bc3dbbfed7d84a54d2219f7996c73b137dc28967a9c8b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf96655c52fe62cd266240a0665360de81b7154e1bc9a45585050df6690e68f
[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" "0bf96655c52fe62cd266240a0665360de81b7154e1bc9a45585050df6690e68f", kill_on_drop: false }`
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[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]    Compiling glium v0.25.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling rust-embed-impl v4.5.0
[INFO] [stderr]     Checking multiqueue v0.3.2
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking rust-embed v4.5.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking websocket v0.23.0
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr] error: could not compile `nalgebra`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nalgebra --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.18.1/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="default"' --cfg 'feature="matrixmultiply"' --cfg 'feature="std"' -C metadata=d712d383ac6a7e67 -C extra-filename=-d712d383ac6a7e67 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-8f7ce6a4f937ed61.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-e90a0ecba8b9e2d6.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-d8d19fe0c5627ee8.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-e508483b2c385697.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-3c7ff8816d654366.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-07c3aed760bc6bf3.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-97843b1659bd367b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-4b83747a5a31a9b3.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-80eea149a06d7756.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: signal: 9
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.num_derive.cxcjwu9f-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libnum_derive-aeda32154f0d4c84.so" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.3vpax2y8jo8pcm6p.rcgu.o" "/opt/rustwide/target/debug/deps/num_derive-aeda32154f0d4c84.2s8lsgtvwcra76vm.rcgu.o" "-Wl,--gc-sections" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsyn-bc380f53b1af31e5.rlib" "/opt/rustwide/target/debug/deps/libquote-c8c4589b60ce3921.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-8115c969f6e9e75a.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-5d1162e60f7751bc.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-61556e43b375c2c0.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-787faa8b02fbd963.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-dda4c0b69607e93b.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-4b7dae8949ac132c.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-978e97832b309706.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-073b1b693304b876.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c07f996a53ee6558.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0ae8ed6a282247d0.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-978dd04958b6ebcc.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-14b94bdd9a47d665.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bff7534e4dfcef6c.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-022f1a0e7cd794ec.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ff456575f1773ef0.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3aeb407930ebd519.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-6ab1ee6dbc17ad08.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-166dae07beec0398.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-761b290f47712921.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0bf96655c52fe62cd266240a0665360de81b7154e1bc9a45585050df6690e68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf96655c52fe62cd266240a0665360de81b7154e1bc9a45585050df6690e68f", kill_on_drop: false }`
[INFO] [stdout] 0bf96655c52fe62cd266240a0665360de81b7154e1bc9a45585050df6690e68f