[INFO] cloning repository https://github.com/ic3man5/fb_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ic3man5/fb_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fic3man5%2Ffb_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fic3man5%2Ffb_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6513812ff1364f27837e175269b98aa05641c65d
[INFO] checking ic3man5/fb_test against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fic3man5%2Ffb_test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ic3man5/fb_test
[INFO] finished tweaking git repo https://github.com/ic3man5/fb_test
[INFO] tweaked toml for git repo https://github.com/ic3man5/fb_test written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ic3man5/fb_test on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ic3man5/fb_test 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flatbuffers v22.10.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d216ac76a0191b602c1f37f16d4613fb8624daf8bbfc3f39143ee6c6422d77c
[INFO] running `Command { std: "docker" "start" "-a" "0d216ac76a0191b602c1f37f16d4613fb8624daf8bbfc3f39143ee6c6422d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d216ac76a0191b602c1f37f16d4613fb8624daf8bbfc3f39143ee6c6422d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d216ac76a0191b602c1f37f16d4613fb8624daf8bbfc3f39143ee6c6422d77c", kill_on_drop: false }`
[INFO] [stdout] 0d216ac76a0191b602c1f37f16d4613fb8624daf8bbfc3f39143ee6c6422d77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91935d11171babab21215425a4f417923410432eaf349b19223220c98f4bf1bb
[INFO] running `Command { std: "docker" "start" "-a" "91935d11171babab21215425a4f417923410432eaf349b19223220c98f4bf1bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling fb_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr] error: failed to run custom build command for `fb_test v0.1.0 (/opt/rustwide/workdir)`
[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/fb_test-ab1992b81b7024af/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:22:10:
[INFO] [stderr]   Failed to execute flatc command: Os { code: 13, kind: PermissionDenied, message: "Permission denied" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e1271ea2232 - std::backtrace_rs::backtrace::libunwind::trace::he4d577cd759ff24f
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e1271ea2232 - std::backtrace_rs::backtrace::trace_unsynchronized::hec36c532713f48b9
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e1271ea2232 - std::sys::backtrace::_print_fmt::haf39a78cc1ef6a3e
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e1271ea2232 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h24734dd60b5733a4
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e1271ec1933 - core::fmt::rt::Argument::fmt::hc266dd9608f74ab0
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e1271ec1933 - core::fmt::write::h81255f7a45aaf6d5
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/core/src/fmt/mod.rs:1446:25
[INFO] [stderr]      6:     0x5e1271e9f953 - std::io::default_write_fmt::h9692bec303e500ce
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e1271e9f953 - std::io::Write::write_fmt::h313a1de9fb5660a2
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x5e1271ea2082 - std::sys::backtrace::BacktraceLock::print::hb052e07088cf3248
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e1271ea30f2 - std::panicking::default_hook::{{closure}}::h1becccf7d7f9a93d
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x5e1271ea2ef5 - std::panicking::default_hook::h17d0db184f41cd2e
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5e1271ea39c2 - std::panicking::rust_panic_with_hook::h877755bf7f0f7e4d
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5e1271ea385a - std::panicking::begin_panic_handler::{{closure}}::hc4c2795248d26426
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5e1271ea2729 - std::sys::backtrace::__rust_end_short_backtrace::h635a5e1a3c4befea
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5e1271ea34ed - __rustc[c3d9e160f0aa352b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5e1271ec0be0 - core::panicking::panic_fmt::h90eea92dbdac1196
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e1271ec0f76 - core::result::unwrap_failed::hd523af1ae41d1a62
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/core/src/result.rs:1732:5
[INFO] [stderr]     17:     0x5e1271e7a062 - core::result::Result<T,E>::expect::h56e8721f22e7108f
[INFO] [stderr]     18:     0x5e1271e7c3c6 - build_script_build::main::h3bcdf7d978b20bb3
[INFO] [stderr]     19:     0x5e1271e79123 - core::ops::function::FnOnce::call_once::heda2d7efa787dc95
[INFO] [stderr]     20:     0x5e1271e78926 - std::sys::backtrace::__rust_begin_short_backtrace::h38ea59c2c2d79e3b
[INFO] [stderr]     21:     0x5e1271e787f9 - std::rt::lang_start::{{closure}}::h934e8147b701d26f
[INFO] [stderr]     22:     0x5e1271e9c6d4 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6554d0c5d90fc26c
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x5e1271e9c6d4 - std::panicking::try::do_call::h6038491d67666856
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x5e1271e9c6d4 - std::panicking::try::h669092893a9543b0
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x5e1271e9c6d4 - std::panic::catch_unwind::hf5dfe6efb9592368
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5e1271e9c6d4 - std::rt::lang_start_internal::{{closure}}::h20feba5efe91b746
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5e1271e9c6d4 - std::panicking::try::do_call::h62b9b62842ffdc80
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x5e1271e9c6d4 - std::panicking::try::h25d9b989c8b0c83a
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x5e1271e9c6d4 - std::panic::catch_unwind::h7b325a58bafcf891
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5e1271e9c6d4 - std::rt::lang_start_internal::he51d31b9a4da0e5a
[INFO] [stderr]                                  at /rustc/afeffcd090fe6cee35c99f8b5539d74aa443fe34/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5e1271e787e1 - std::rt::lang_start::h3f89fa9557955b38
[INFO] [stderr]     32:     0x5e1271e7c725 - main
[INFO] [stderr]     33:     0x7b1bbc5661ca - <unknown>
[INFO] [stderr]     34:     0x7b1bbc56628b - __libc_start_main
[INFO] [stderr]     35:     0x5e1271e778d5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "91935d11171babab21215425a4f417923410432eaf349b19223220c98f4bf1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91935d11171babab21215425a4f417923410432eaf349b19223220c98f4bf1bb", kill_on_drop: false }`
[INFO] [stdout] 91935d11171babab21215425a4f417923410432eaf349b19223220c98f4bf1bb