[INFO] fetching crate rust_keylock 0.12.0...
[INFO] checking rust_keylock-0.12.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate rust_keylock 0.12.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rust_keylock 0.12.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_keylock 0.12.0
[INFO] finished tweaking crates.io crate rust_keylock 0.12.0
[INFO] tweaked toml for crates.io crate rust_keylock 0.12.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a7722035732e4fcf132f4d05e451d11a6f81389104041d0df881e67a7967c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84a7722035732e4fcf132f4d05e451d11a6f81389104041d0df881e67a7967c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a7722035732e4fcf132f4d05e451d11a6f81389104041d0df881e67a7967c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a7722035732e4fcf132f4d05e451d11a6f81389104041d0df881e67a7967c3", kill_on_drop: false }`
[INFO] [stdout] 84a7722035732e4fcf132f4d05e451d11a6f81389104041d0df881e67a7967c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 146b3537054e5539aabc1d836ebd2b88b056bbb89d29a4888f96b5e47bbf68b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "146b3537054e5539aabc1d836ebd2b88b056bbb89d29a4888f96b5e47bbf68b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking secstr v0.4.0
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/xcb-4cec57c282beec6f/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'Composite', 'ReleaseOverlayWindow'))
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 2448, in <module>
[INFO] [stderr]       module.generate()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xcbgen/state.py", line 108, in generate
[INFO] [stderr]       self.close()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/xcb-0.8.2/src/ffi/composite.rs'
[INFO] [stderr]   thread 'main' panicked at 'processing of /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/composite.xml returned non-zero (1)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d4cbd62b05 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55d4cbd62b05 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d4cbd62b05 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55d4cbd62b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55d4cbd84a5c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55d4cbd600e2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55d4cbd64f70 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55d4cbd64f70 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55d4cbd64f70 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55d4cbd64cbc - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55d4cbd655b3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55d4cbd651ab - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55d4cbd6511b - std::panicking::begin_panic_fmt::h2ff295231415d4a6
[INFO] [stderr]                                  at src/libstd/panicking.rs:391
[INFO] [stderr]     13:     0x55d4cbd4ecbd - build_script_build::main::{{closure}}::he6640d357f1d6392
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]     14:     0x55d4cbd4d98c - build_script_build::visit_xml::hbb6b0196830df3a0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]     15:     0x55d4cbd4e0b5 - build_script_build::main::hf98b9b3024876ac4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]     16:     0x55d4cbd5064b - std::rt::lang_start::{{closure}}::h40115d7b6dc73f98
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55d4cbd65983 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x55d4cbd65983 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x55d4cbd65983 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x55d4cbd65983 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x55d4cbd65983 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x55d4cbd50627 - std::rt::lang_start::hd4561846273f6612
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x55d4cbd4ed6a - main
[INFO] [stderr]     24:     0x7fd06f1860b3 - __libc_start_main
[INFO] [stderr]     25:     0x55d4cbd4d18e - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "146b3537054e5539aabc1d836ebd2b88b056bbb89d29a4888f96b5e47bbf68b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146b3537054e5539aabc1d836ebd2b88b056bbb89d29a4888f96b5e47bbf68b6", kill_on_drop: false }`
[INFO] [stdout] 146b3537054e5539aabc1d836ebd2b88b056bbb89d29a4888f96b5e47bbf68b6
