[INFO] cloning repository https://github.com/youhavethewrong/q_rsqrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youhavethewrong/q_rsqrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Fq_rsqrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Fq_rsqrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91db33355d44d0c56a718f0c306edc75ceef2c3c
[INFO] checking youhavethewrong/q_rsqrt against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Fq_rsqrt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youhavethewrong/q_rsqrt on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/youhavethewrong/q_rsqrt
[INFO] finished tweaking git repo https://github.com/youhavethewrong/q_rsqrt
[INFO] tweaked toml for git repo https://github.com/youhavethewrong/q_rsqrt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/youhavethewrong/q_rsqrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31676421920cef055728236b3f933f39e0a99f5090f1f7bdf052e5dfa1464812
[INFO] running `Command { std: "docker" "start" "-a" "31676421920cef055728236b3f933f39e0a99f5090f1f7bdf052e5dfa1464812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31676421920cef055728236b3f933f39e0a99f5090f1f7bdf052e5dfa1464812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31676421920cef055728236b3f933f39e0a99f5090f1f7bdf052e5dfa1464812", kill_on_drop: false }`
[INFO] [stdout] 31676421920cef055728236b3f933f39e0a99f5090f1f7bdf052e5dfa1464812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d81ff3effa3d7e486b7ca5eeba209914e5aa9701e1bdb1a3d178cb11859951
[INFO] running `Command { std: "docker" "start" "-a" "b8d81ff3effa3d7e486b7ca5eeba209914e5aa9701e1bdb1a3d178cb11859951", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking fast_inverse_square_root v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "b8d81ff3effa3d7e486b7ca5eeba209914e5aa9701e1bdb1a3d178cb11859951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d81ff3effa3d7e486b7ca5eeba209914e5aa9701e1bdb1a3d178cb11859951", kill_on_drop: false }`
[INFO] [stdout] b8d81ff3effa3d7e486b7ca5eeba209914e5aa9701e1bdb1a3d178cb11859951
[INFO] checking youhavethewrong/q_rsqrt against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Fq_rsqrt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youhavethewrong/q_rsqrt on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/youhavethewrong/q_rsqrt
[INFO] finished tweaking git repo https://github.com/youhavethewrong/q_rsqrt
[INFO] tweaked toml for git repo https://github.com/youhavethewrong/q_rsqrt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/youhavethewrong/q_rsqrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f60d036f5683aa712a2854bcc5fd09fa1d302b3af99e95cfbe1e42aec1d1d27c
[INFO] running `Command { std: "docker" "start" "-a" "f60d036f5683aa712a2854bcc5fd09fa1d302b3af99e95cfbe1e42aec1d1d27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60d036f5683aa712a2854bcc5fd09fa1d302b3af99e95cfbe1e42aec1d1d27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60d036f5683aa712a2854bcc5fd09fa1d302b3af99e95cfbe1e42aec1d1d27c", kill_on_drop: false }`
[INFO] [stdout] f60d036f5683aa712a2854bcc5fd09fa1d302b3af99e95cfbe1e42aec1d1d27c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c6e5ef7aeabd5ba97f0e224fe1c84f56ed5dd76c6a60a941e6396941dc82ee
[INFO] running `Command { std: "docker" "start" "-a" "93c6e5ef7aeabd5ba97f0e224fe1c84f56ed5dd76c6a60a941e6396941dc82ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcYO263T/symbols.o" "/opt/rustwide/target/debug/build/libc-da2f8673c9b11350/build_script_build-da2f8673c9b11350.build_script_build.798f7445237d356f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/libc-da2f8673c9b11350/build_script_build-da2f8673c9b11350.1n0h2p0ypl3gfbbgu7xcqvcxt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c6c045f3358c0b22.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5c2158c1682442e0.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-404d0b40d67de09f.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-e07eeabf48db885c.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-c92423f648579064.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-8dab5299a97564ae.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-65891f932666bb65.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-b2634d236d77b88a.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-38ef4997455a5e72.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b2e6b39d803e65fe.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-0864893dee726241.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-e599f337a82d59c4.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-acbe32895031f6bc.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e21e611894cf2844.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-7b90a2705bcf265b.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-1f7e19b44251c73e.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-4d7d16bbf0636a40.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/0c9c19b42881b7ee3d3f268d2369726c7f8dddfd/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/build/libc-da2f8673c9b11350/build_script_build-da2f8673c9b11350" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (build script) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "93c6e5ef7aeabd5ba97f0e224fe1c84f56ed5dd76c6a60a941e6396941dc82ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c6e5ef7aeabd5ba97f0e224fe1c84f56ed5dd76c6a60a941e6396941dc82ee", kill_on_drop: false }`
[INFO] [stdout] 93c6e5ef7aeabd5ba97f0e224fe1c84f56ed5dd76c6a60a941e6396941dc82ee