[INFO] fetching crate savr 0.1.0...
[INFO] testing savr-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate savr 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate savr 0.1.0
[INFO] finished tweaking crates.io crate savr 0.1.0
[INFO] tweaked toml for crates.io crate savr 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate savr 0.1.0 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 savr 0.1.0 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 xkbcommon v0.4.0
[INFO] [stderr]   Downloaded pam v0.7.0
[INFO] [stderr]   Downloaded pam-sys v0.5.6
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded clap_derive v3.1.18
[INFO] [stderr]   Downloaded users v0.8.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded xcb v0.8.2
[INFO] [stderr]   Downloaded clap v3.1.18
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded x11rb v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f
[INFO] running `Command { std: "docker" "start" "1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f", 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" "1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f" "/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" "1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f", 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" "1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling pam-sys v0.5.6
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2`
[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/xcb-f134369b42dc7dbb/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'Test', 'GrabControl'))
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/rs_client.py", line 2448, in <module>
[INFO] [stderr]       module.generate()
[INFO] [stderr]       ~~~~~~~~~~~~~~~^^
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/xcbgen/state.py", line 108, in generate
[INFO] [stderr]       self.close()
[INFO] [stderr]       ~~~~~~~~~~^^
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/rs_client.py", line 296, in rs_close
[INFO] [stderr]       _f.writeout(os.path.join(module.rs_srcdir, "ffi", "%s.rs" % _module_name(_ns.ext_name)))
[INFO] [stderr]       ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/rs_client.py", line 114, in writeout
[INFO] [stderr]       with open(path, 'w') as f:
[INFO] [stderr]            ~~~~^^^^^^^^^^^
[INFO] [stderr]   OSError: [Errno 30] Read-only file system: '/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/src/ffi/test.rs'
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (420) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/build.rs:75:17:
[INFO] [stderr]   processing of /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/xml/xtest.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x580ba55497d1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x580ba555a9da - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x580ba554d78c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x580ba552bd76 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x580ba5545811 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x580ba55459cb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x580ba552be22 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x580ba5524e19 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x580ba552c61d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x580ba555b10c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x580ba551740b - build_script_build[6c65cc274d18a8ed]::main::{closure#0}
[INFO] [stderr]     11:     0x580ba551580a - build_script_build[6c65cc274d18a8ed]::visit_xml::<build_script_build[6c65cc274d18a8ed]::main::{closure#0}>
[INFO] [stderr]     12:     0x580ba5517bba - build_script_build[6c65cc274d18a8ed]::main
[INFO] [stderr]     13:     0x580ba55199fb - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x580ba5516be6 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x580ba5516ef9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x580ba5544c49 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     17:     0x580ba5516431 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x580ba5519a85 - main
[INFO] [stderr]     19:     0x746337898601 - <unknown>
[INFO] [stderr]     20:     0x746337898718 - __libc_start_main
[INFO] [stderr]     21:     0x580ba5515295 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f", kill_on_drop: false }`
[INFO] [stdout] 1b358d4f4a9c137c77051a3eb55680a56781f4144d048d58af2c78dd2eece34f
