[INFO] fetching crate argmax 0.3.1...
[INFO] checking argmax-0.3.1 against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276
[INFO] extracting crate argmax 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate argmax 0.3.1 on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmax 0.3.1
[INFO] finished tweaking crates.io crate argmax 0.3.1
[INFO] tweaked toml for crates.io crate argmax 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.24.3 (available: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3786782bc897beb1a2bd48cf55b9ef5d6f356a294c6b5f361315d87f352e21c3
[INFO] running `Command { std: "docker" "start" "-a" "3786782bc897beb1a2bd48cf55b9ef5d6f356a294c6b5f361315d87f352e21c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3786782bc897beb1a2bd48cf55b9ef5d6f356a294c6b5f361315d87f352e21c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3786782bc897beb1a2bd48cf55b9ef5d6f356a294c6b5f361315d87f352e21c3", kill_on_drop: false }`
[INFO] [stdout] 3786782bc897beb1a2bd48cf55b9ef5d6f356a294c6b5f361315d87f352e21c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf4199fdf00d25a1691b93245c162728f1ad65decdc5054ad160742214a72a6
[INFO] running `Command { std: "docker" "start" "-a" "bcf4199fdf00d25a1691b93245c162728f1ad65decdc5054ad160742214a72a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/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/rustceobaZu/symbols.o" "/opt/rustwide/target/debug/build/libc-a2560353036db88b/build_script_build-a2560353036db88b.build_script_build.66683667e0700dd8-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/libc-a2560353036db88b/build_script_build-a2560353036db88b.build_script_build.66683667e0700dd8-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/libc-a2560353036db88b/build_script_build-a2560353036db88b.build_script_build.66683667e0700dd8-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/libc-a2560353036db88b/build_script_build-a2560353036db88b.build_script_build.66683667e0700dd8-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/libc-a2560353036db88b/build_script_build-a2560353036db88b.04gswoz1e2604op2usmhdbfmy.rcgu.o" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ea2006fbcbea27b7.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d4c6d9fc9402962b.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-cb648d8066e1f446.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-c5d4f358058ea4b7.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-c3d71356250e6616.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f87b04c9c9484f11.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bcb6f2ec634b4b7c.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-45fd352c16a37a98.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c2c9b281c2c2a277.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-436fb8ec294074ae.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-8d1606a7c3a02301.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-b9d368accc529045.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-7548f2e020479f08.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-04c8eb04b1ca0e2e.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ca9b1b189437f8ae.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-954db56effadca87.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-395a38b8e0851c9b.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d453bab70303062c.rlib" "/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d643a4794e0b0ebc.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/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/4847d6a9d07d4be9ba3196f6ad444af2d7bdde72/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/libc-a2560353036db88b/build_script_build-a2560353036db88b" "-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 `libc` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bcf4199fdf00d25a1691b93245c162728f1ad65decdc5054ad160742214a72a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf4199fdf00d25a1691b93245c162728f1ad65decdc5054ad160742214a72a6", kill_on_drop: false }`
[INFO] [stdout] bcf4199fdf00d25a1691b93245c162728f1ad65decdc5054ad160742214a72a6