[INFO] fetching crate dlt-core 0.20.2...
[INFO] testing dlt-core-0.20.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dlt-core 0.20.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate dlt-core 0.20.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dlt-core 0.20.2
[INFO] tweaked toml for crates.io crate dlt-core 0.20.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dlt-core 0.20.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dlt-core 0.20.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.75
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded is-terminal v0.4.16
[INFO] [stderr]   Downloaded dirs-sys v0.3.7
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded hermit-abi v0.5.1
[INFO] [stderr]   Downloaded humantime v2.2.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded proptest-derive v0.5.1
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded env_logger v0.10.2
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded pretty_assertions v1.4.1
[INFO] [stderr]   Downloaded yansi v1.0.1
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded tokio-util v0.7.15
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded quick-xml v0.29.0
[INFO] [stderr]   Downloaded proptest v1.6.0
[INFO] [stderr]   Downloaded clap v3.2.25
[INFO] [stderr]   Downloaded tokio v1.45.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d
[INFO] running `Command { std: "docker" "start" "c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling dlt-core v0.20.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr] error: failed to run custom build command for `dlt-core v0.20.2 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/dlt-core-c3439d0da6994b75/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (139) panicked at build.rs:25:44:
[INFO] [stderr]   Failed to write updated README file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ee90ae2f091 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5ee90ae3ff5a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5ee90ae3299c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5ee90ae18be6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5ee90ae2b391 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5ee90ae2b54b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5ee90ae18c92 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5ee90ae11ca9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5ee90ae1948d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x5ee90ae4068c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5ee90ae40462 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stderr]     11:     0x5ee90ae068d0 - <core[df12db4294e9bfd3]::result::Result<(), core[df12db4294e9bfd3]::io::error::Error>>::expect
[INFO] [stderr]     12:     0x5ee90ae066e8 - build_script_build[4ec7de694664fd00]::main
[INFO] [stderr]     13:     0x5ee90ae0773b - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x5ee90ae05e96 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x5ee90ae06239 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x5ee90ae2aaf9 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     17:     0x5ee90ae05dd1 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x5ee90ae077f5 - main
[INFO] [stderr]     19:     0x76f2f8a88601 - <unknown>
[INFO] [stderr]     20:     0x76f2f8a88718 - __libc_start_main
[INFO] [stderr]     21:     0x5ee90ae05155 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d", kill_on_drop: false }`
[INFO] [stdout] c66b5393c6b7e0cf564b72b5144444e8bc8e8d7c881721d169e804db0888a19d
