[INFO] fetching crate clipclean 0.1.6...
[INFO] checking clipclean-0.1.6 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate clipclean 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate clipclean 0.1.6 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clipclean 0.1.6
[INFO] finished tweaking crates.io crate clipclean 0.1.6
[INFO] tweaked toml for crates.io crate clipclean 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate clipclean 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3b2a29903f00829a319e4a4f1d1c1ff0fc6da3bc38336acd93b7380619d32f6
[INFO] running `Command { std: "docker" "start" "-a" "b3b2a29903f00829a319e4a4f1d1c1ff0fc6da3bc38336acd93b7380619d32f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3b2a29903f00829a319e4a4f1d1c1ff0fc6da3bc38336acd93b7380619d32f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b2a29903f00829a319e4a4f1d1c1ff0fc6da3bc38336acd93b7380619d32f6", kill_on_drop: false }`
[INFO] [stdout] b3b2a29903f00829a319e4a4f1d1c1ff0fc6da3bc38336acd93b7380619d32f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 642061c9ee8ad524945486200bf576c69676fbd477712e9b79702af81090e18e
[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" "642061c9ee8ad524945486200bf576c69676fbd477712e9b79702af81090e18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking idna v0.1.5
[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-b468b3911fb89a58/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:     0x55cdb8667c77 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55cdb8667c77 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cdb8667c77 - std::sys_common::backtrace::_print_fmt::h517324efde750597
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55cdb8667c77 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf594ab77fac89284
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55cdb86824ec - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55cdb8664e72 - std::io::Write::write_fmt::h3f6656f045fa877f
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55cdb8669ae5 - std::sys_common::backtrace::_print::hda7655c057c24dcc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55cdb8669ae5 - std::sys_common::backtrace::print::h546a6c8431d46287
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55cdb8669ae5 - std::panicking::default_hook::{{closure}}::h006dd083853faf51
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55cdb8669643 - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55cdb866a281 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55cdb8669dc7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55cdb866813c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55cdb8669d29 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55cdb8669cdb - std::panicking::begin_panic_fmt::hee67ce14b77d0396
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:435:5
[INFO] [stderr]     15:     0x55cdb8642d82 - build_script_build::main::{{closure}}::h2c43d81ae205c944
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr]     16:     0x55cdb8641998 - build_script_build::visit_xml::h99f4d7069d14b197
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20:44
[INFO] [stderr]     17:     0x55cdb864216f - build_script_build::main::h9004dd621dc0652c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56:5
[INFO] [stderr]     18:     0x55cdb86477db - core::ops::function::FnOnce::call_once::h8cb901e4045579b1
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55cdb8645f8e - std::sys_common::backtrace::__rust_begin_short_backtrace::hd972f16c7a1678de
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55cdb8645221 - std::rt::lang_start::{{closure}}::hc7675c5d62c35414
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55cdb866a6a7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55cdb866a6a7 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55cdb866a6a7 - std::panicking::try::h77386c66889b2066
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55cdb866a6a7 - std::panic::catch_unwind::hc55a0d8aadca44f0
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x55cdb866a6a7 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55cdb86451f7 - std::rt::lang_start::hc6bdc9f27d0083bf
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55cdb8642eca - main
[INFO] [stderr]     28:     0x7f8d16c640b3 - __libc_start_main
[INFO] [stderr]     29:     0x55cdb86410ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "642061c9ee8ad524945486200bf576c69676fbd477712e9b79702af81090e18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642061c9ee8ad524945486200bf576c69676fbd477712e9b79702af81090e18e", kill_on_drop: false }`
[INFO] [stdout] 642061c9ee8ad524945486200bf576c69676fbd477712e9b79702af81090e18e