[INFO] cloning repository https://github.com/akht/prettyjson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akht/prettyjson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakht%2Fprettyjson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakht%2Fprettyjson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a70ff3e5642ac6d18abbcabd09141dcdf6ce33c8
[INFO] checking akht/prettyjson against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakht%2Fprettyjson" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akht/prettyjson on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akht/prettyjson
[INFO] finished tweaking git repo https://github.com/akht/prettyjson
[INFO] tweaked toml for git repo https://github.com/akht/prettyjson written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/akht/prettyjson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a3ea76e9ff4d129322420506c2f1de89eaf1c0e2230e4e2a1a152dd1c5e075a
[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" "5a3ea76e9ff4d129322420506c2f1de89eaf1c0e2230e4e2a1a152dd1c5e075a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a3ea76e9ff4d129322420506c2f1de89eaf1c0e2230e4e2a1a152dd1c5e075a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3ea76e9ff4d129322420506c2f1de89eaf1c0e2230e4e2a1a152dd1c5e075a", kill_on_drop: false }`
[INFO] [stdout] 5a3ea76e9ff4d129322420506c2f1de89eaf1c0e2230e4e2a1a152dd1c5e075a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8d55540d766878e4c7c40bd034ac58f8f1b6b3e4515295d9001c9e9ca374b680
[INFO] running `Command { std: "docker" "start" "-a" "8d55540d766878e4c7c40bd034ac58f8f1b6b3e4515295d9001c9e9ca374b680", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[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-5c2876e588db9caa/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:     0x5559b6310180 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5559b6310180 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5559b6310180 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5559b6310180 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5559b632cffc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x5559b630da32 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x5559b631240d - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5559b631240d - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5559b631240d - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x5559b63120b8 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x5559b6312af1 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x5559b6312699 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x5559b631060c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5559b6312659 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x5559b631260b - std::panicking::begin_panic_fmt::hc19e75fd2b7bc39b
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:437
[INFO] [stderr]     15:     0x5559b62f0db3 - build_script_build::main::{{closure}}::h492daba086584918
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]     16:     0x5559b62ef9fc - build_script_build::visit_xml::h96be619c90f79448
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]     17:     0x5559b62f018d - build_script_build::main::h3ac3a57585cf8b92
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]     18:     0x5559b62f57ab - core::ops::function::FnOnce::call_once::h1a24c2e42c8e0bcf
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x5559b62f34ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h31248f3386e74b5f
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x5559b62f2291 - std::rt::lang_start::{{closure}}::h4e1a619467d45119
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x5559b6312f17 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x5559b6312f17 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x5559b6312f17 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x5559b6312f17 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x5559b6312f17 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x5559b62f2267 - std::rt::lang_start::h18a1eeb5cd437238
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x5559b62f0e6a - main
[INFO] [stderr]     28:     0x7f0bd322a0b3 - __libc_start_main
[INFO] [stderr]     29:     0x5559b62ef0ae - _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" "8d55540d766878e4c7c40bd034ac58f8f1b6b3e4515295d9001c9e9ca374b680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d55540d766878e4c7c40bd034ac58f8f1b6b3e4515295d9001c9e9ca374b680", kill_on_drop: false }`
[INFO] [stdout] 8d55540d766878e4c7c40bd034ac58f8f1b6b3e4515295d9001c9e9ca374b680