[INFO] cloning repository https://github.com/sunkit02/matrix_calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunkit02/matrix_calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunkit02%2Fmatrix_calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunkit02%2Fmatrix_calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3ad995028bac220d4807f74840a1a4601fbbdd3
[INFO] building sunkit02/matrix_calc against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunkit02%2Fmatrix_calc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunkit02/matrix_calc on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunkit02/matrix_calc
[INFO] finished tweaking git repo https://github.com/sunkit02/matrix_calc
[INFO] tweaked toml for git repo https://github.com/sunkit02/matrix_calc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sunkit02/matrix_calc 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fraction v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53a57ef018e8ed192b00bf7ca616274690e5eaa005d74de849b8137e523254a5
[INFO] running `Command { std: "docker" "start" "-a" "53a57ef018e8ed192b00bf7ca616274690e5eaa005d74de849b8137e523254a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a57ef018e8ed192b00bf7ca616274690e5eaa005d74de849b8137e523254a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a57ef018e8ed192b00bf7ca616274690e5eaa005d74de849b8137e523254a5", kill_on_drop: false }`
[INFO] [stdout] 53a57ef018e8ed192b00bf7ca616274690e5eaa005d74de849b8137e523254a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2e182cbc18ccf0c90f59efa0799d026f8be9c7d2e17c0cb13745d8dbc99bf56
[INFO] running `Command { std: "docker" "start" "-a" "f2e182cbc18ccf0c90f59efa0799d026f8be9c7d2e17c0cb13745d8dbc99bf56", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling fraction v0.15.0
[INFO] [stderr]    Compiling matrix_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "f2e182cbc18ccf0c90f59efa0799d026f8be9c7d2e17c0cb13745d8dbc99bf56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e182cbc18ccf0c90f59efa0799d026f8be9c7d2e17c0cb13745d8dbc99bf56", kill_on_drop: false }`
[INFO] [stdout] f2e182cbc18ccf0c90f59efa0799d026f8be9c7d2e17c0cb13745d8dbc99bf56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588e94f8f0d5b20302e8859946f85e60feefa966f673fda847686bdcb154d2e7
[INFO] running `Command { std: "docker" "start" "-a" "588e94f8f0d5b20302e8859946f85e60feefa966f673fda847686bdcb154d2e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/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/rustcEDSADl/symbols.o" "/opt/rustwide/target/debug/deps/matrix_calc-73fa2a60c2e4a4e9.matrix_calc.287285f79b9dc2a7-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/matrix_calc-73fa2a60c2e4a4e9.ceub1rkdqxj6frk0kq0gznxrq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-aa9c075e691acf99.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ead3c3c5997dfb62.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-6bd335a8c005942d.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c7f385786acb7c06.rlib" "/opt/rustwide/target/debug/deps/libfraction-421fcb0d71c9b056.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b82c15677deef9e2.rlib" "/opt/rustwide/target/debug/deps/libnum-648d544ae5232f0c.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-b3270dfce5531fdf.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-3164bb2fa226d08f.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-1bc708109aea3c62.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-9741fe4696d89bff.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-36cf55d69511ede7.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-05b69d0b2223da24.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-164d8fd564e4a211.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-783334590566e0fc.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-c61bd2663437c986.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-3c8f3a81644cce25.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1244532a75e334d2.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3edd22dc47a4513c.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c12887f7a732d2f0.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d5dba12b1f233f3e.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e323419cd7924de6.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-008b8c4c7649b293.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1e9aca0e00b982af.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-09eb8c2d25291926.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-85ca560db35b8e52.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-87a41ae6a2ba697f.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-72750b703a18185c.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a1a711aa3d9d444c.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a912b32e3ca9ae43.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1922b8ad2a4e54ab.rlib" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e60eec2aca178aae.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/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/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/70591dc15db32941fe3595fdbf98e58d6975f95e/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/matrix_calc-73fa2a60c2e4a4e9" "-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] [stderr] error: could not compile `matrix_calc` (bin "matrix_calc" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "588e94f8f0d5b20302e8859946f85e60feefa966f673fda847686bdcb154d2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588e94f8f0d5b20302e8859946f85e60feefa966f673fda847686bdcb154d2e7", kill_on_drop: false }`
[INFO] [stdout] 588e94f8f0d5b20302e8859946f85e60feefa966f673fda847686bdcb154d2e7