[INFO] cloning repository https://github.com/wszxl516/milkv-duo-little
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wszxl516/milkv-duo-little" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwszxl516%2Fmilkv-duo-little", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwszxl516%2Fmilkv-duo-little'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cf5021a0ac68d5d0be2a9db79d3a7016186ef46
[INFO] checking wszxl516/milkv-duo-little against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwszxl516%2Fmilkv-duo-little" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/wszxl516/milkv-duo-little
[INFO] finished tweaking git repo https://github.com/wszxl516/milkv-duo-little
[INFO] tweaked toml for git repo https://github.com/wszxl516/milkv-duo-little written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wszxl516/milkv-duo-little on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wszxl516/milkv-duo-little 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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tock-registers v0.9.0
[INFO] [stderr]   Downloaded xuantie v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 706e14b3f34a6981da9f79345849248ff90e6723605a6ba19c891233b4bb7102
[INFO] running `Command { std: "docker" "start" "-a" "706e14b3f34a6981da9f79345849248ff90e6723605a6ba19c891233b4bb7102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706e14b3f34a6981da9f79345849248ff90e6723605a6ba19c891233b4bb7102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706e14b3f34a6981da9f79345849248ff90e6723605a6ba19c891233b4bb7102", kill_on_drop: false }`
[INFO] [stdout] 706e14b3f34a6981da9f79345849248ff90e6723605a6ba19c891233b4bb7102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d882e599b991b19bcab0864b465446d82fe26db17433eff0690175a6899e4ca4
[INFO] running `Command { std: "docker" "start" "-a" "d882e599b991b19bcab0864b465446d82fe26db17433eff0690175a6899e4ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking tock-registers v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking xuantie v0.0.5
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling milkv-duo-little v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `milkv-duo-little 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/milkv-duo-little-56faf1d1e2727746/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=linker.ld
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stderr]      1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stderr]      2: build_script_build::main
[INFO] [stderr]      3: core::ops::function::FnOnce::call_once
[INFO] [stderr]      4: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]      5: std::rt::lang_start::{{closure}}
[INFO] [stderr]      6: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/ops/function.rs:287:21
[INFO] [stderr]      7: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]      8: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]      9: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     10: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:175:24
[INFO] [stderr]     11: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]     12: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]     13: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     14: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:171:5
[INFO] [stderr]     15: std::rt::lang_start
[INFO] [stderr]     16: main
[INFO] [stderr]     17: <unknown>
[INFO] [stderr]     18: __libc_start_main
[INFO] [stderr]     19: _start
[INFO] running `Command { std: "docker" "inspect" "d882e599b991b19bcab0864b465446d82fe26db17433eff0690175a6899e4ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d882e599b991b19bcab0864b465446d82fe26db17433eff0690175a6899e4ca4", kill_on_drop: false }`
[INFO] [stdout] d882e599b991b19bcab0864b465446d82fe26db17433eff0690175a6899e4ca4