[INFO] fetching crate askii 0.6.0...
[INFO] checking askii-0.6.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate askii 0.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate askii 0.6.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate askii 0.6.0
[INFO] finished tweaking crates.io crate askii 0.6.0
[INFO] tweaked toml for crates.io crate askii 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate askii 0.6.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.1.13
[INFO] [stderr]   Downloaded cursive_buffered_backend v0.3.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.10
[INFO] [stderr]   Downloaded enumset_derive v0.4.4
[INFO] [stderr]   Downloaded proc-macro-error v0.4.10
[INFO] [stderr]   Downloaded crossterm_winapi v0.5.1
[INFO] [stderr]   Downloaded enumset v0.4.5
[INFO] [stderr]   Downloaded line_drawing v0.8.0
[INFO] [stderr]   Downloaded crossterm v0.14.2
[INFO] [stderr]   Downloaded cursive v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a386d4306e6d041a30ca4abe64d6f48d985652884effcf977c7634743473d0
[INFO] running `Command { std: "docker" "start" "-a" "79a386d4306e6d041a30ca4abe64d6f48d985652884effcf977c7634743473d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a386d4306e6d041a30ca4abe64d6f48d985652884effcf977c7634743473d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a386d4306e6d041a30ca4abe64d6f48d985652884effcf977c7634743473d0", kill_on_drop: false }`
[INFO] [stdout] 79a386d4306e6d041a30ca4abe64d6f48d985652884effcf977c7634743473d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2db7c9df731915b9e6358079435c93cead50636543fe5323ee9be29ad40d5487
[INFO] running `Command { std: "docker" "start" "-a" "2db7c9df731915b9e6358079435c93cead50636543fe5323ee9be29ad40d5487", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.10
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.10
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num v0.2.1
[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_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/xcb-3196b75a0e548ed5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'Xinerama', 'QueryScreens'))
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/rs_client.py", line 2448, in <module>
[INFO] [stderr]       module.generate()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/xcbgen/state.py", line 108, in generate
[INFO] [stderr]       self.close()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/rs_client.py", line 114, in writeout
[INFO] [stderr]       with open(path, 'w') as f:
[INFO] [stderr]   OSError: [Errno 30] Read-only file system: '/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/src/ffi/xinerama.rs'
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/build.rs:75:17:
[INFO] [stderr]   processing of /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/xml/xinerama.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e9d5f47034 - std::backtrace_rs::backtrace::libunwind::trace::h3da9427eac6b2713
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55e9d5f47034 - std::backtrace_rs::backtrace::trace_unsynchronized::h8b6ad79cb60b1f10
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e9d5f47034 - std::sys_common::backtrace::_print_fmt::h0332dac066d13bb4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55e9d5f47034 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha53f24802e841e78
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55e9d5f6844c - core::fmt::rt::Argument::fmt::hb7cd99f2796dbda9
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55e9d5f6844c - core::fmt::write_internal::hd9480cc81e0db946
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1143:17
[INFO] [stderr]      6:     0x55e9d5f44c57 - core::fmt::write::hc9b13aa14bb399e7
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1125:67
[INFO] [stderr]      7:     0x55e9d5f44c57 - std::io::Write::write_fmt::h7f190ab8bb73d292
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      8:     0x55e9d5f46de4 - std::sys_common::backtrace::_print::h4dfa85ce29f289cd
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      9:     0x55e9d5f46de4 - std::sys_common::backtrace::print::h075bb0820ca1af60
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]     10:     0x55e9d5f4833b - std::panicking::default_hook::{{closure}}::h2868146f5a47a8b0
[INFO] [stderr]     11:     0x55e9d5f48097 - std::panicking::default_hook::h75759d10d3c62529
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:292:9
[INFO] [stderr]     12:     0x55e9d5f4880d - std::panicking::rust_panic_with_hook::h96d9580203cd93f6
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:779:13
[INFO] [stderr]     13:     0x55e9d5f486e2 - std::panicking::begin_panic_handler::{{closure}}::h99fe5817649d74e2
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:657:13
[INFO] [stderr]     14:     0x55e9d5f47506 - std::sys_common::backtrace::__rust_end_short_backtrace::hec38ffed74bfdff4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     15:     0x55e9d5f483e4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:645:5
[INFO] [stderr]     16:     0x55e9d5f20055 - core::panicking::panic_fmt::hef2c7eb118bd8e9b
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/panicking.rs:72:14
[INFO] [stderr]     17:     0x55e9d5f262ed - build_script_build::main::{{closure}}::hbf833eec68d1c992
[INFO] [stderr]     18:     0x55e9d5f24e83 - build_script_build::visit_xml::h017b48bcd515b233
[INFO] [stderr]     19:     0x55e9d5f257ac - build_script_build::main::h83309927863f838d
[INFO] [stderr]     20:     0x55e9d5f21e23 - core::ops::function::FnOnce::call_once::hbef151ae12e369e3
[INFO] [stderr]     21:     0x55e9d5f20a36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3954b9c9a8913144
[INFO] [stderr]     22:     0x55e9d5f21389 - std::rt::lang_start::{{closure}}::h1d5d88bd711ce733
[INFO] [stderr]     23:     0x55e9d5f41cb3 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6488a2c974ca719
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55e9d5f41cb3 - std::panicking::try::do_call::hff3b4848e08a12d1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     25:     0x55e9d5f41cb3 - std::panicking::try::h8353a4dfa2f5a00f
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     26:     0x55e9d5f41cb3 - std::panic::catch_unwind::h2e8a9f6c47367d26
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     27:     0x55e9d5f41cb3 - std::rt::lang_start_internal::{{closure}}::ha0861aba81fd1864
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55e9d5f41cb3 - std::panicking::try::do_call::hbeaa0ec31679b9c5
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     29:     0x55e9d5f41cb3 - std::panicking::try::h72d757b913472f73
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     30:     0x55e9d5f41cb3 - std::panic::catch_unwind::h96f93e52837969a1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     31:     0x55e9d5f41cb3 - std::rt::lang_start_internal::h217e3c78cd070052
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55e9d5f21367 - std::rt::lang_start::h2cfed672d4abfc6f
[INFO] [stderr]     33:     0x55e9d5f26375 - main
[INFO] [stderr]     34:     0x7f23aa712d90 - <unknown>
[INFO] [stderr]     35:     0x7f23aa712e40 - __libc_start_main
[INFO] [stderr]     36:     0x55e9d5f20635 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2db7c9df731915b9e6358079435c93cead50636543fe5323ee9be29ad40d5487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db7c9df731915b9e6358079435c93cead50636543fe5323ee9be29ad40d5487", kill_on_drop: false }`
[INFO] [stdout] 2db7c9df731915b9e6358079435c93cead50636543fe5323ee9be29ad40d5487
