[INFO] cloning repository https://github.com/jgouly/filco-mj2tkl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgouly/filco-mj2tkl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgouly%2Ffilco-mj2tkl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgouly%2Ffilco-mj2tkl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9622ad1905e7e01818d02f690f22d9b564d89a85
[INFO] checking jgouly/filco-mj2tkl against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgouly%2Ffilco-mj2tkl" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgouly/filco-mj2tkl on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jgouly/filco-mj2tkl
[INFO] finished tweaking git repo https://github.com/jgouly/filco-mj2tkl
[INFO] tweaked toml for git repo https://github.com/jgouly/filco-mj2tkl written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jgouly/filco-mj2tkl 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jgouly/keyboard-app.git`
[INFO] [stderr]     Updating git repository `https://github.com/jgouly/mkl27z-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 3 packages
[INFO] [stderr]       Adding cc v1.0.90
[INFO] [stderr]       Adding keyboard-app v0.1.0 (https://github.com/jgouly/keyboard-app.git#fa09bf60)
[INFO] [stderr]       Adding mkl27z v0.1.0 (https://github.com/jgouly/mkl27z-rs.git#499654b2)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84383b8469f14a069197311fcfba0ce14e22d74a6cf938aa0d84c0a2c087b694
[INFO] running `Command { std: "docker" "start" "-a" "84383b8469f14a069197311fcfba0ce14e22d74a6cf938aa0d84c0a2c087b694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84383b8469f14a069197311fcfba0ce14e22d74a6cf938aa0d84c0a2c087b694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84383b8469f14a069197311fcfba0ce14e22d74a6cf938aa0d84c0a2c087b694", kill_on_drop: false }`
[INFO] [stdout] 84383b8469f14a069197311fcfba0ce14e22d74a6cf938aa0d84c0a2c087b694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef3fe385e02f46c01c6247196b4907642efad807ef4dc12e8022fe1cbc99c407
[INFO] running `Command { std: "docker" "start" "-a" "ef3fe385e02f46c01c6247196b4907642efad807ef4dc12e8022fe1cbc99c407", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking keyboard-app v0.1.0 (https://github.com/jgouly/keyboard-app.git#fa09bf60)
[INFO] [stderr]    Compiling mkl27z v0.1.0 (https://github.com/jgouly/mkl27z-rs.git#499654b2)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: mkl27z@0.1.0: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: mkl27z@0.1.0: cc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
[INFO] [stderr] warning: mkl27z@0.1.0: cc: error: unrecognized command-line option '-mthumb'
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `mkl27z v0.1.0 (https://github.com/jgouly/mkl27z-rs.git#499654b2)`
[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/mkl27z-f31a7acd3205e3de/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/debug/build/mkl27z-abefd46c462ce2ea/out
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[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=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler version doesn't include clang or GCC: "cc" "--version"
[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]   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] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-I" "/opt/rustwide/cargo-home/git/checkouts/mkl27z-rs-e16d4f504977b845/499654b/src/third_party" "-Wall" "-Wextra" "-mcpu=cortex-m0plus" "-mthumb" "-fno-PIC" "-ffunction-sections" "-ffreestanding" "-fno-exceptions" "-O2" "-fdata-sections" "-D__MKL26Z64__" "-DUSB_KEYBOARDONLY" "-DF_CPU=48000000" "-o" "/opt/rustwide/target/debug/build/mkl27z-abefd46c462ce2ea/out/5216cfa2bcbea8ba-clz.o" "-c" "/opt/rustwide/cargo-home/git/checkouts/mkl27z-rs-e16d4f504977b845/499654b/src/third_party/clz.c" with args "cc" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "ef3fe385e02f46c01c6247196b4907642efad807ef4dc12e8022fe1cbc99c407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3fe385e02f46c01c6247196b4907642efad807ef4dc12e8022fe1cbc99c407", kill_on_drop: false }`
[INFO] [stdout] ef3fe385e02f46c01c6247196b4907642efad807ef4dc12e8022fe1cbc99c407