[INFO] cloning repository https://github.com/boylede/five_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boylede/five_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboylede%2Ffive_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboylede%2Ffive_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c06b9e0f3b540769bfd6ab75be22200fa940fd2
[INFO] checking boylede/five_os against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboylede%2Ffive_os" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boylede/five_os on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/boylede/five_os
[INFO] finished tweaking git repo https://github.com/boylede/five_os
[INFO] tweaked toml for git repo https://github.com/boylede/five_os written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/boylede/five_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9098d2b08baf2b694003f04ef11ef07b84862ef0b43cbe61ccb17928d3f4513
[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" "b9098d2b08baf2b694003f04ef11ef07b84862ef0b43cbe61ccb17928d3f4513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9098d2b08baf2b694003f04ef11ef07b84862ef0b43cbe61ccb17928d3f4513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9098d2b08baf2b694003f04ef11ef07b84862ef0b43cbe61ccb17928d3f4513", kill_on_drop: false }`
[INFO] [stdout] b9098d2b08baf2b694003f04ef11ef07b84862ef0b43cbe61ccb17928d3f4513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dffce04053ccd3554f5a80934b6da646ef4ac9bc04f8f937b3ecc9f17424573
[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" "6dffce04053ccd3554f5a80934b6da646ef4ac9bc04f8f937b3ecc9f17424573", kill_on_drop: false }`
[INFO] [stderr]    Compiling five_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: warning: ./src/assembly/boot.riscv: linker input file unused because linking not done
[INFO] [stderr] warning: cc: warning: ./src/assembly/trap.riscv: linker input file unused because linking not done
[INFO] [stderr] warning: cc: warning: ./src/assembly/cpu.riscv: linker input file unused because linking not done
[INFO] [stderr] warning: ar: /opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/boot.o: No such file or directory
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `five_os v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/five_os-8728bdac5673cb69/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=linker/
[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]   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" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/boot.o" "-c" "./src/assembly/boot.riscv"
[INFO] [stderr]   cargo:warning=cc: warning: ./src/assembly/boot.riscv: linker input file unused because linking not done
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/trap.o" "-c" "./src/assembly/trap.riscv"
[INFO] [stderr]   cargo:warning=cc: warning: ./src/assembly/trap.riscv: linker input file unused because linking not done
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/cpu.o" "-c" "./src/assembly/cpu.riscv"
[INFO] [stderr]   cargo:warning=cc: warning: ./src/assembly/cpu.riscv: linker input file unused because linking not done
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_AR = None
[INFO] [stderr]   AR = None
[INFO] [stderr]   running: "ar" "crs" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/libasm.a" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/boot.o" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/trap.o" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/cpu.o"
[INFO] [stderr]   cargo:warning=ar: /opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/boot.o: No such file or directory
[INFO] [stderr]   exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "ar" "crs" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/libasm.a" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/boot.o" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/trap.o" "/opt/rustwide/target/debug/build/five_os-5d13ae7e2e51b9d2/out/./src/assembly/cpu.o" with args "ar" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "6dffce04053ccd3554f5a80934b6da646ef4ac9bc04f8f937b3ecc9f17424573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dffce04053ccd3554f5a80934b6da646ef4ac9bc04f8f937b3ecc9f17424573", kill_on_drop: false }`
[INFO] [stdout] 6dffce04053ccd3554f5a80934b6da646ef4ac9bc04f8f937b3ecc9f17424573