[INFO] cloning repository https://github.com/AndrewRosenfrisk/caesarcipher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewRosenfrisk/caesarcipher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fcaesarcipher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fcaesarcipher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18693c53aee73c5abf1974f4769374833fe856f7
[INFO] checking AndrewRosenfrisk/caesarcipher against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fcaesarcipher" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndrewRosenfrisk/caesarcipher
[INFO] finished tweaking git repo https://github.com/AndrewRosenfrisk/caesarcipher
[INFO] tweaked toml for git repo https://github.com/AndrewRosenfrisk/caesarcipher written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndrewRosenfrisk/caesarcipher on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndrewRosenfrisk/caesarcipher 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b82bc93bcb85fb179b5c2201a0636a8b2651535973c55c6af309db0c0993392
[INFO] running `Command { std: "docker" "start" "-a" "0b82bc93bcb85fb179b5c2201a0636a8b2651535973c55c6af309db0c0993392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b82bc93bcb85fb179b5c2201a0636a8b2651535973c55c6af309db0c0993392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b82bc93bcb85fb179b5c2201a0636a8b2651535973c55c6af309db0c0993392", kill_on_drop: false }`
[INFO] [stdout] 0b82bc93bcb85fb179b5c2201a0636a8b2651535973c55c6af309db0c0993392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f7190f879684b3ef169f1fce07ed6b2813a1ccb651851560e19280131922a75
[INFO] running `Command { std: "docker" "start" "-a" "6f7190f879684b3ef169f1fce07ed6b2813a1ccb651851560e19280131922a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.160
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling clipboard-ext v0.2.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]    Compiling xcb v0.8.2
[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_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-1aead3077a0eec0c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'XCMisc', 'GetXIDList'))
[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]     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]     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]     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/xc_misc.rs'
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (152) 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/xc_misc.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x615fab3d9802 - std::backtrace_rs::backtrace::libunwind::trace::h73fb80180a497102
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x615fab3d9802 - std::backtrace_rs::backtrace::trace_unsynchronized::h543e31fe8d798117
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x615fab3d9802 - std::sys::backtrace::_print_fmt::h48210104103c8004
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x615fab3d9802 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he200e767b7882707
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x615fab3e84c7 - core::fmt::rt::Argument::fmt::ha3ab30dd35ae499a
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x615fab3e84c7 - core::fmt::write::hfec5e43e1831544a
[INFO] [stderr]      6:     0x615fab3af076 - std::io::default_write_fmt::hc42f6b1b9d03b902
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x615fab3af076 - std::io::Write::write_fmt::h584047a337177544
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x615fab3b9b31 - std::sys::backtrace::BacktraceLock::print::hc290b36733a7ec35
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x615fab3b9b31 - std::panicking::default_hook::{{closure}}::h7ca62870151c105a
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x615fab3b9956 - std::panicking::default_hook::h7210b5b89c7d5207
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x615fab3ba03b - std::panicking::panic_with_hook::h2f2fd5ec6be276b7
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x615fab3b9eb8 - std::panicking::panic_handler::{{closure}}::h7d38e29e87f90fcd
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x615fab3b8119 - std::sys::backtrace::__rust_end_short_backtrace::hb326948df51b3c67
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x615fab3a3f4d - __rustc[ca415c722355c310]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x615fab3eb61c - core::panicking::panic_fmt::h593feb94c4ce4cdf
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x615fab39ee8b - build_script_build::main::{{closure}}::h9030a1e972a6f12e
[INFO] [stderr]     17:     0x615fab39f3ed - build_script_build::visit_xml::hea9ace28d3b7f4f0
[INFO] [stderr]     18:     0x615fab39e49a - build_script_build::main::h58804922d623cf7c
[INFO] [stderr]     19:     0x615fab3a0c53 - core::ops::function::FnOnce::call_once::h7067ae97c03c1f5e
[INFO] [stderr]     20:     0x615fab3a0496 - std::sys::backtrace::__rust_begin_short_backtrace::h135d6c97c55d969c
[INFO] [stderr]     21:     0x615fab3a0339 - std::rt::lang_start::{{closure}}::hb71b0f7ce7aa2f69
[INFO] [stderr]     22:     0x615fab3b079a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0403e5920663a070
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x615fab3b079a - std::panicking::catch_unwind::do_call::hae3fc24e24aa4045
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:582:40
[INFO] [stderr]     24:     0x615fab3b079a - std::panicking::catch_unwind::h41f79d0960c31dac
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:545:19
[INFO] [stderr]     25:     0x615fab3b079a - std::panic::catch_unwind::hab18277cacc223e8
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x615fab3b079a - std::rt::lang_start_internal::{{closure}}::h2b7b01f1cabaa7b3
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x615fab3b079a - std::panicking::catch_unwind::do_call::h289dc8e834bc3205
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:582:40
[INFO] [stderr]     28:     0x615fab3b079a - std::panicking::catch_unwind::h26dfdefec448e382
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panicking.rs:545:19
[INFO] [stderr]     29:     0x615fab3b079a - std::panic::catch_unwind::he48def0de55b27dc
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x615fab3b079a - std::rt::lang_start_internal::hecb0a225f409fde2
[INFO] [stderr]                                  at /rustc/c8085cfed34c45021fc8f66d073f6394b3e35431/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x615fab3a0321 - std::rt::lang_start::h45666a3bb58802ac
[INFO] [stderr]     32:     0x615fab3a3c25 - main
[INFO] [stderr]     33:     0x7288e1bbb1ca - <unknown>
[INFO] [stderr]     34:     0x7288e1bbb28b - __libc_start_main
[INFO] [stderr]     35:     0x615fab39dbe5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6f7190f879684b3ef169f1fce07ed6b2813a1ccb651851560e19280131922a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7190f879684b3ef169f1fce07ed6b2813a1ccb651851560e19280131922a75", kill_on_drop: false }`
[INFO] [stdout] 6f7190f879684b3ef169f1fce07ed6b2813a1ccb651851560e19280131922a75
