[INFO] fetching crate teensycore 0.0.8...
[INFO] documenting teensycore-0.0.8 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate teensycore 0.0.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate teensycore 0.0.8 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teensycore 0.0.8
[INFO] finished tweaking crates.io crate teensycore 0.0.8
[INFO] tweaked toml for crates.io crate teensycore 0.0.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f4faff8279aa6edcc55c75c979fad47df5043b14fe3c51a51784f35c8923f4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f4faff8279aa6edcc55c75c979fad47df5043b14fe3c51a51784f35c8923f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f4faff8279aa6edcc55c75c979fad47df5043b14fe3c51a51784f35c8923f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4faff8279aa6edcc55c75c979fad47df5043b14fe3c51a51784f35c8923f4b", kill_on_drop: false }`
[INFO] [stdout] 6f4faff8279aa6edcc55c75c979fad47df5043b14fe3c51a51784f35c8923f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eef6a8ad5685e486997d97bc4b5c5739ca888241a2ee0f2855676c063d752ee9
[INFO] running `Command { std: "docker" "start" "-a" "eef6a8ad5685e486997d97bc4b5c5739ca888241a2ee0f2855676c063d752ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling teensycore v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
[INFO] [stderr] warning: cc: error: unrecognized command line option '-mthumb'
[INFO] [stderr] warning: cc: error: unrecognized command line option '-mfloat-abi=hard'
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `teensycore v0.0.8 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/teensycore-bbe8b225a4670653/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]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-Wall" "-mcpu=cortex-m7" "-mthumb" "-mfloat-abi=hard" "-o" "/opt/rustwide/target/debug/build/teensycore-d1d8ec1cf72caafe/out/src/teensy.o" "-c" "src/teensy.c"
[INFO] [stderr]   cargo:warning=cc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
[INFO] [stderr]   cargo:warning=cc: error: unrecognized command line option '-mthumb'
[INFO] [stderr]   cargo:warning=cc: error: unrecognized command line option '-mfloat-abi=hard'
[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" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-Wall" "-mcpu=cortex-m7" "-mthumb" "-mfloat-abi=hard" "-o" "/opt/rustwide/target/debug/build/teensycore-d1d8ec1cf72caafe/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" "eef6a8ad5685e486997d97bc4b5c5739ca888241a2ee0f2855676c063d752ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef6a8ad5685e486997d97bc4b5c5739ca888241a2ee0f2855676c063d752ee9", kill_on_drop: false }`
[INFO] [stdout] eef6a8ad5685e486997d97bc4b5c5739ca888241a2ee0f2855676c063d752ee9