[INFO] fetching crate segappend 0.2.0...
[INFO] checking segappend-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate segappend 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate segappend 0.2.0
[INFO] finished tweaking crates.io crate segappend 0.2.0
[INFO] tweaked toml for crates.io crate segappend 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate segappend 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e827c06add16fa1b88d1af735e10254225cc2cf326e92c7596b0c5424924d24c
[INFO] running `Command { std: "docker" "start" "-a" "e827c06add16fa1b88d1af735e10254225cc2cf326e92c7596b0c5424924d24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e827c06add16fa1b88d1af735e10254225cc2cf326e92c7596b0c5424924d24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e827c06add16fa1b88d1af735e10254225cc2cf326e92c7596b0c5424924d24c", kill_on_drop: false }`
[INFO] [stdout] e827c06add16fa1b88d1af735e10254225cc2cf326e92c7596b0c5424924d24c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea74b38c67818a93c66582facb482dc0fdbc5b5a6ebd43322bc0b430d4aad23c
[INFO] running `Command { std: "docker" "start" "-a" "ea74b38c67818a93c66582facb482dc0fdbc5b5a6ebd43322bc0b430d4aad23c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling segappend v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: segappend@0.2.0: src/segappend.cc:233:2: error: #error "Unsupported platform"
[INFO] [stderr] warning: segappend@0.2.0:   233 | #error "Unsupported platform"
[INFO] [stderr] warning: segappend@0.2.0:       |  ^~~~~
[INFO] [stderr] error: failed to run custom build command for `segappend v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/segappend-c0c7310d97b43e8f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/segappend-21dec7c755fd775e/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64-unknown-linux-gnu
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64_unknown_linux_gnu
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CXX
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX
[INFO] [stderr]   CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   RUSTC_WRAPPER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CXXFLAGS
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr]   cargo:warning=src/segappend.cc:233:2: error: #error "Unsupported platform"
[INFO] [stderr]   cargo:warning=  233 | #error "Unsupported platform"
[INFO] [stderr]   cargo:warning=      |  ^~~~~
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-I" "include" "-Wall" "-Wextra" "-std=c++17" "-o" "/opt/rustwide/target/debug/build/segappend-21dec7c755fd775e/out/48d3f1b29a630f4c-segappend.o" "-c" "src/segappend.cc"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "ea74b38c67818a93c66582facb482dc0fdbc5b5a6ebd43322bc0b430d4aad23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea74b38c67818a93c66582facb482dc0fdbc5b5a6ebd43322bc0b430d4aad23c", kill_on_drop: false }`
[INFO] [stdout] ea74b38c67818a93c66582facb482dc0fdbc5b5a6ebd43322bc0b430d4aad23c