[INFO] fetching crate teensycore 0.0.14...
[INFO] documenting teensycore-0.0.14 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate teensycore 0.0.14 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate teensycore 0.0.14 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teensycore 0.0.14
[INFO] finished tweaking crates.io crate teensycore 0.0.14
[INFO] tweaked toml for crates.io crate teensycore 0.0.14 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd634a50b96a0bca2cce371692cf7ff26dcd4d173cfa9dc9571b07453895baf4
[INFO] running `Command { std: "docker" "start" "-a" "dd634a50b96a0bca2cce371692cf7ff26dcd4d173cfa9dc9571b07453895baf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd634a50b96a0bca2cce371692cf7ff26dcd4d173cfa9dc9571b07453895baf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd634a50b96a0bca2cce371692cf7ff26dcd4d173cfa9dc9571b07453895baf4", kill_on_drop: false }`
[INFO] [stdout] dd634a50b96a0bca2cce371692cf7ff26dcd4d173cfa9dc9571b07453895baf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 606656b21b33def95356e150ff7c49e1f8498bcaac5a247b8f02334b3fbc8c43
[INFO] running `Command { std: "docker" "start" "-a" "606656b21b33def95356e150ff7c49e1f8498bcaac5a247b8f02334b3fbc8c43", kill_on_drop: false }`
[INFO] [stderr]    Compiling teensycore v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: teensycore@0.0.14: cc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
[INFO] [stderr] warning: teensycore@0.0.14: cc: error: unrecognized command-line option '-mthumb'
[INFO] [stderr] warning: teensycore@0.0.14: cc: error: unrecognized command-line option '-mfloat-abi=hard'
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `teensycore v0.0.14 (/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/teensycore-6ffe9a846a4f74c6/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[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=CC_x86_64-unknown-linux-gnu
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CC
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC
[INFO] [stderr]   CC = 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")
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CFLAGS
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   running: "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-Wall" "-mcpu=cortex-m7" "-mthumb" "-mfloat-abi=hard" "-o" "/opt/rustwide/target/debug/build/teensycore-5feb074c2a685038/out/src/teensy.o" "-c" "src/teensy.c"
[INFO] [stderr]   cargo:warning=cc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
[INFO] [stderr] 
[INFO] [stderr]   cargo:warning=cc: error: unrecognized command-line option '-mthumb'
[INFO] [stderr] 
[INFO] [stderr]   cargo:warning=cc: error: unrecognized command-line option '-mfloat-abi=hard'
[INFO] [stderr] 
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-Wall" "-mcpu=cortex-m7" "-mthumb" "-mfloat-abi=hard" "-o" "/opt/rustwide/target/debug/build/teensycore-5feb074c2a685038/out/src/teensy.o" "-c" "src/teensy.c" with args "cc" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "606656b21b33def95356e150ff7c49e1f8498bcaac5a247b8f02334b3fbc8c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606656b21b33def95356e150ff7c49e1f8498bcaac5a247b8f02334b3fbc8c43", kill_on_drop: false }`
[INFO] [stdout] 606656b21b33def95356e150ff7c49e1f8498bcaac5a247b8f02334b3fbc8c43
