[INFO] cloning repository https://github.com/kuro46/simple-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuro46/simple-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuro46%2Fsimple-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuro46%2Fsimple-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a03500b22746cde25af05b8caa8a0ce02b4fd9e4 [INFO] checking kuro46/simple-chat against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuro46%2Fsimple-chat" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kuro46/simple-chat on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kuro46/simple-chat [INFO] finished tweaking git repo https://github.com/kuro46/simple-chat [INFO] tweaked toml for git repo https://github.com/kuro46/simple-chat written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/kuro46/simple-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 unicode-normalization v0.1.9 [INFO] [stderr] Downloaded flatbuffers v0.6.0 [INFO] [stderr] Downloaded flatc-rust v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bceec17d6f2173005307c2354fe7c29d8a5cb260d00a4c90e9407afcb895af8 [INFO] running `Command { std: "docker" "start" "-a" "9bceec17d6f2173005307c2354fe7c29d8a5cb260d00a4c90e9407afcb895af8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bceec17d6f2173005307c2354fe7c29d8a5cb260d00a4c90e9407afcb895af8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bceec17d6f2173005307c2354fe7c29d8a5cb260d00a4c90e9407afcb895af8", kill_on_drop: false }` [INFO] [stdout] 9bceec17d6f2173005307c2354fe7c29d8a5cb260d00a4c90e9407afcb895af8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 311852bda976b6d1ca0196a271b21e722634d8564c8f66166f9ae4b1cd92d82f [INFO] running `Command { std: "docker" "start" "-a" "311852bda976b6d1ca0196a271b21e722634d8564c8f66166f9ae4b1cd92d82f", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] log v0.4.8 (as host dependency): std [INFO] [stderr] [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling flatc-rust v0.1.2 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking unicode-normalization v0.1.9 [INFO] [stderr] Checking flatbuffers v0.6.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling simple-chat v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating build.rs from 2018 edition to 2021 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] error: failed to run custom build command for `simple-chat v0.1.0 (/tmp/fixit)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/simple-chat-14907f0a265c41c8/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=src/chat_app.fbs [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'flatc: Custom { kind: NotFound, error: "failed to spawn `\"flatc\" \"--version\"`: No such file or directory (os error 2)" }', build.rs:10:6 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x564bb8e8c00c - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x564bb8e8c00c - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x564bb8e8c00c - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x564bb8e8c00c - ::fmt::h06b8f714a0700be1 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x564bb8ea893c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/core/src/fmt/mod.rs:1117:17 [INFO] [stderr] 5: 0x564bb8e89665 - std::io::Write::write_fmt::hb1c61d571fcd8cbf [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x564bb8e8d6f0 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x564bb8e8d6f0 - std::sys_common::backtrace::print::hae7d6625a78cd32e [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x564bb8e8d6f0 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x564bb8e8d2ab - std::panicking::default_hook::h5dc58e323cddd123 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x564bb8e8dda4 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x564bb8e8d880 - std::panicking::begin_panic_handler::{{closure}}::hd8a92a4b1c3baae0 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:521:13 [INFO] [stderr] 12: 0x564bb8e8c4d4 - std::sys_common::backtrace::__rust_end_short_backtrace::ha5ac263a7609ace8 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x564bb8e8d7e9 - rust_begin_unwind [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:517:5 [INFO] [stderr] 14: 0x564bb8e5f1d1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/core/src/panicking.rs:93:14 [INFO] [stderr] 15: 0x564bb8e5f263 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/core/src/result.rs:1617:5 [INFO] [stderr] 16: 0x564bb8e5fa68 - core::result::Result::expect::hcb03bed87dcb3b8c [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/core/src/result.rs:1259:23 [INFO] [stderr] 17: 0x564bb8e5fc6d - build_script_build::main::h53982e91904d156e [INFO] [stderr] at /tmp/fixit/build.rs:5:5 [INFO] [stderr] 18: 0x564bb8e5fd7b - core::ops::function::FnOnce::call_once::h3f19f694594ef2df [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x564bb8e5fe7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h22b69696fadaecf7 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x564bb8e5fdf1 - std::rt::lang_start::{{closure}}::hdc3885839d7327cf [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x564bb8e8e2aa - core::ops::function::impls:: for &F>::call_once::hc9bc8961e4809a14 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x564bb8e8e2aa - std::panicking::try::do_call::h6f00e12df2af6579 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:403:40 [INFO] [stderr] 23: 0x564bb8e8e2aa - std::panicking::try::h588c31a0a9a8ad2c [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:367:19 [INFO] [stderr] 24: 0x564bb8e8e2aa - std::panic::catch_unwind::h8ebc4fcb0e51bec0 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panic.rs:129:14 [INFO] [stderr] 25: 0x564bb8e8e2aa - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x564bb8e8e2aa - std::panicking::try::do_call::hf70c5056d8b410b7 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:403:40 [INFO] [stderr] 27: 0x564bb8e8e2aa - std::panicking::try::h0c680320de5deb84 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panicking.rs:367:19 [INFO] [stderr] 28: 0x564bb8e8e2aa - std::panic::catch_unwind::h7b94a99f13366c53 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/panic.rs:129:14 [INFO] [stderr] 29: 0x564bb8e8e2aa - std::rt::lang_start_internal::hca14fb2549072049 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x564bb8e5fdc0 - std::rt::lang_start::h1d52eb2540c7f741 [INFO] [stderr] at /rustc/a7a572ce3edd6d476191fbfe92c9c1986e009b34/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x564bb8e5fc9c - main [INFO] [stderr] 32: 0x7ff426d820b3 - __libc_start_main [INFO] [stderr] 33: 0x564bb8e5f92e - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "311852bda976b6d1ca0196a271b21e722634d8564c8f66166f9ae4b1cd92d82f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "311852bda976b6d1ca0196a271b21e722634d8564c8f66166f9ae4b1cd92d82f", kill_on_drop: false }` [INFO] [stdout] 311852bda976b6d1ca0196a271b21e722634d8564c8f66166f9ae4b1cd92d82f