[INFO] cloning repository https://github.com/ginryuoku/praxis-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ginryuoku/praxis-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginryuoku%2Fpraxis-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginryuoku%2Fpraxis-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74994400d3e0b048b55942a5f68d43a6c5a8dfbc
[INFO] building ginryuoku/praxis-os against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginryuoku%2Fpraxis-os" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ginryuoku/praxis-os
[INFO] finished tweaking git repo https://github.com/ginryuoku/praxis-os
[INFO] tweaked toml for git repo https://github.com/ginryuoku/praxis-os written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ginryuoku/praxis-os on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ginryuoku/praxis-os 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" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93232c58431557773dc7540a655f7cac78e23add7bb32ca00458594bf6a112fa
[INFO] running `Command { std: "docker" "start" "-a" "93232c58431557773dc7540a655f7cac78e23add7bb32ca00458594bf6a112fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93232c58431557773dc7540a655f7cac78e23add7bb32ca00458594bf6a112fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93232c58431557773dc7540a655f7cac78e23add7bb32ca00458594bf6a112fa", kill_on_drop: false }`
[INFO] [stdout] 93232c58431557773dc7540a655f7cac78e23add7bb32ca00458594bf6a112fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 63f9e2fad80fedcb97eb323028f23bcc76c5202db64f99d690de42614e3d183d
[INFO] running `Command { std: "docker" "start" "-a" "63f9e2fad80fedcb97eb323028f23bcc76c5202db64f99d690de42614e3d183d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling riscv v0.5.2
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling riscv-rt v0.5.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling praxis-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.5
[INFO] [stdout] error: linking with `rust-lld` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "rust-lld" "-flavor" "wasm" "--export" "main" "--export" "_start_rust" "--export" "_start_trap_rust" "--export" "default_pre_init" "--export" "default_trap_handler" "-z" "stack-size=1048576" "--stack-first" "--no-demangle" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o" "<1 object files omitted>" "/opt/rustwide/target/wasm32-wasip1/debug/deps/{libriscv_rt-90c0b9eb37ad7dab,libr0-bd7eebdb4334dec2,libriscv-7b2e281333d46f4f,libbit_field-a64966086549fb4d,libbare_metal-6efdf70bc06c89a7,libpanic_halt-61ee96f2a3d9bb25}.rlib" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/wasm32-wasip1/debug/build/praxis-os-9a47a327794920f1/out" "-L" "/opt/rustwide/target/wasm32-wasip1/debug/build/riscv-rt-b90e1c1b1c4214bf/out" "-L" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained" "-o" "/opt/rustwide/target/wasm32-wasip1/debug/deps/praxis_os-d6886d137ab5eb8d.wasm" "--gc-sections" "-O0"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __wasi_init_tp
[INFO] [stdout]           rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __main_void
[INFO] [stdout]           rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __wasm_call_dtors
[INFO] [stdout]           rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __wasi_proc_exit
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: __pre_init
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: _sbss
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: _ebss
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: _sdata
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: _edata
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: _sidata
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: _start_trap
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libriscv_rt-90c0b9eb37ad7dab.rlib(riscv_rt-90c0b9eb37ad7dab.riscv_rt.513b967edae8d95c-cgu.0.rcgu.o): undefined symbol: trap_handler
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `praxis-os` (bin "praxis-os") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "63f9e2fad80fedcb97eb323028f23bcc76c5202db64f99d690de42614e3d183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f9e2fad80fedcb97eb323028f23bcc76c5202db64f99d690de42614e3d183d", kill_on_drop: false }`
[INFO] [stdout] 63f9e2fad80fedcb97eb323028f23bcc76c5202db64f99d690de42614e3d183d