[INFO] fetching crate howl 0.1.0...
[INFO] testing howl-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate howl 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate howl 0.1.0
[INFO] finished tweaking crates.io crate howl 0.1.0
[INFO] tweaked toml for crates.io crate howl 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate howl 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 howl 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 ureq v1.5.4
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded base-x v0.2.8
[INFO] [stderr]   Downloaded block-modes v0.7.0
[INFO] [stderr]   Downloaded x11-clipboard v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded standback v0.2.14
[INFO] [stderr]   Downloaded security-framework-sys v0.4.3
[INFO] [stderr]   Downloaded tinyvec v1.1.0
[INFO] [stderr]   Downloaded form_urlencoded v1.0.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded publicsuffix v1.5.4
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded cookie v0.14.3
[INFO] [stderr]   Downloaded smallvec v1.6.0
[INFO] [stderr]   Downloaded read_input v0.8.4
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded clipboard v0.5.0
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded sct v0.6.0
[INFO] [stderr]   Downloaded tree_magic v0.2.3
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded keyring v0.10.1
[INFO] [stderr]   Downloaded secret-service v1.1.3
[INFO] [stderr]   Downloaded sha2 v0.9.2
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded subtle v2.4.0
[INFO] [stderr]   Downloaded url v2.2.0
[INFO] [stderr]   Downloaded time v0.2.23
[INFO] [stderr]   Downloaded security-framework v0.4.4
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded dbus v0.2.3
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.16
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded xcb v0.8.2
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a
[INFO] running `Command { std: "docker" "start" "7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a", 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" "7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a" "/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" "7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a", 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" "7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a" "/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 v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dbus v0.2.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling read_input v0.8.4
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[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-68e26007182c4501/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'Xv', 'ShmPutImage'))
[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/xv.rs'
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1076) 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/xv.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x611d9765f7d1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x611d976709da - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x611d9766378c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x611d97641d76 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x611d9765b811 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x611d9765b9cb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x611d97641e22 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x611d9763ae19 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x611d9764261d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x611d9767110c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x611d9762d40b - build_script_build[e529308315dab512]::main::{closure#0}
[INFO] [stderr]     11:     0x611d9762b80a - build_script_build[e529308315dab512]::visit_xml::<build_script_build[e529308315dab512]::main::{closure#0}>
[INFO] [stderr]     12:     0x611d9762dbba - build_script_build[e529308315dab512]::main
[INFO] [stderr]     13:     0x611d9762f9fb - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x611d9762cbe6 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x611d9762cef9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x611d9765ac49 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     17:     0x611d9762c431 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x611d9762fa85 - main
[INFO] [stderr]     19:     0x7d0a622fa601 - <unknown>
[INFO] [stderr]     20:     0x7d0a622fa718 - __libc_start_main
[INFO] [stderr]     21:     0x611d9762b295 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a", kill_on_drop: false }`
[INFO] [stdout] 7d780e1878adb2a620df2c521864417431d5548cb515399e9a7676cf3726008a
