[INFO] cloning repository https://github.com/jonay2000/laurelin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonay2000/laurelin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonay2000%2Flaurelin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonay2000%2Flaurelin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e65808b895687122cf8197d212be1d11c06a7153
[INFO] checking jonay2000/laurelin against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonay2000%2Flaurelin" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonay2000/laurelin on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jonay2000/laurelin
[INFO] finished tweaking git repo https://github.com/jonay2000/laurelin
[INFO] tweaked toml for git repo https://github.com/jonay2000/laurelin written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jonay2000/laurelin 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccbd957201a4cfc7d812757892ab4c8d5ed7386c16c7ad8567167f3fffc6585a
[INFO] running `Command { std: "docker" "start" "-a" "ccbd957201a4cfc7d812757892ab4c8d5ed7386c16c7ad8567167f3fffc6585a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccbd957201a4cfc7d812757892ab4c8d5ed7386c16c7ad8567167f3fffc6585a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbd957201a4cfc7d812757892ab4c8d5ed7386c16c7ad8567167f3fffc6585a", kill_on_drop: false }`
[INFO] [stdout] ccbd957201a4cfc7d812757892ab4c8d5ed7386c16c7ad8567167f3fffc6585a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b35a4fb225f6f771b2305692b6b1c7f4f4ee9fee5c223f13cfdf0111434f2563
[INFO] running `Command { std: "docker" "start" "-a" "b35a4fb225f6f771b2305692b6b1c7f4f4ee9fee5c223f13cfdf0111434f2563", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling laurelin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `laurelin v0.1.0 (/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/laurelin-f68b14bd2e6209e0/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/asm/entry.S,linker/link.ld,build/build.rs
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_riscv64gc-unknown-none-elf = None
[INFO] [stderr]   CC_riscv64gc_unknown_none_elf = None
[INFO] [stderr]   TARGET_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CROSS_COMPILE = None
[INFO] [stderr]   CFLAGS_riscv64gc-unknown-none-elf = None
[INFO] [stderr]   CFLAGS_riscv64gc_unknown_none_elf = None
[INFO] [stderr]   TARGET_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: "riscv64-unknown-elf-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-fno-omit-frame-pointer" "-march=rv64gc" "-mabi=lp64" "-mcmodel=medany" "-Wall" "-Wextra" "-mabi=lp64" "-o" "/opt/rustwide/target/debug/build/laurelin-a54d79b81f234201/out/src/asm/entry.o" "-c" "src/asm/entry.S"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Failed to find tool. Is `riscv64-unknown-elf-gcc` installed?
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b35a4fb225f6f771b2305692b6b1c7f4f4ee9fee5c223f13cfdf0111434f2563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35a4fb225f6f771b2305692b6b1c7f4f4ee9fee5c223f13cfdf0111434f2563", kill_on_drop: false }`
[INFO] [stdout] b35a4fb225f6f771b2305692b6b1c7f4f4ee9fee5c223f13cfdf0111434f2563