[INFO] cloning repository https://github.com/archshift/accion [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archshift/accion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farchshift%2Faccion", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farchshift%2Faccion'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91f58634f78748ce743cd66353ca54ed4d2982c6 [INFO] checking archshift/accion against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farchshift%2Faccion" "/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/archshift/accion on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/archshift/accion [INFO] finished tweaking git repo https://github.com/archshift/accion [INFO] tweaked toml for git repo https://github.com/archshift/accion written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/archshift/accion already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b5b0bc41b86a1054e8401c97df07b81813da51da0f3aa97d85a5345e93f1fe0 [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" "6b5b0bc41b86a1054e8401c97df07b81813da51da0f3aa97d85a5345e93f1fe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b5b0bc41b86a1054e8401c97df07b81813da51da0f3aa97d85a5345e93f1fe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b5b0bc41b86a1054e8401c97df07b81813da51da0f3aa97d85a5345e93f1fe0", kill_on_drop: false }` [INFO] [stdout] 6b5b0bc41b86a1054e8401c97df07b81813da51da0f3aa97d85a5345e93f1fe0 [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e6778ec50c54b102992c4633470f63eabbd271fa9a436fdaebb35ebcb6b3e36 [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" "4e6778ec50c54b102992c4633470f63eabbd271fa9a436fdaebb35ebcb6b3e36", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling cbindgen v0.15.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling dynstack v0.4.0 (https://github.com/archshift/dynstack?rev=7bba8e808b907c6a0d70e648fb0bc5672cf87c22#7bba8e80) [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking disjoint-sets v0.4.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling derive-newtype v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling toml v0.5.7 [INFO] [stderr] Compiling accion v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `accion v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/accion-6010a03e3ad03722/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Could not spawn flex!: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:47:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562e0b55f7a0 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562e0b55f7a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562e0b55f7a0 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562e0b55f7a0 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562e0b58802c - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x562e0b55b272 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x562e0b562105 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562e0b562105 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562e0b562105 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x562e0b561c5a - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x562e0b5628a1 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x562e0b5623e7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x562e0b55fc5c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562e0b562349 - rust_begin_unwind [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x562e0b585ff1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x562e0b585e13 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x562e0b041a07 - core::result::Result::expect::h58423d41e5a9c0d4 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/result.rs:933:23 [INFO] [stderr] 17: 0x562e0b047068 - build_script_build::main::h6c950664b407e207 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:42:21 [INFO] [stderr] 18: 0x562e0b040a2b - core::ops::function::FnOnce::call_once::h7afc49767901dd7a [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x562e0b01cc7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0fcca22fbc0a04fe [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x562e0b0164c1 - std::rt::lang_start::{{closure}}::he07fcd76b9bb2725 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x562e0b562db7 - core::ops::function::impls:: for &F>::call_once::h54c39b9b8451875a [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x562e0b562db7 - std::panicking::try::do_call::hcdfba51a06e21b42 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x562e0b562db7 - std::panicking::try::hb36953ccd24f930d [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x562e0b562db7 - std::panic::catch_unwind::hbb374cd03beb3824 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x562e0b562db7 - std::rt::lang_start_internal::h97dca9624db2aa85 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x562e0b016497 - std::rt::lang_start::hdbc2f71d057bc3f1 [INFO] [stderr] at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x562e0b047afa - main [INFO] [stderr] 28: 0x7f94a03680b3 - __libc_start_main [INFO] [stderr] 29: 0x562e0aff00de - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "4e6778ec50c54b102992c4633470f63eabbd271fa9a436fdaebb35ebcb6b3e36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e6778ec50c54b102992c4633470f63eabbd271fa9a436fdaebb35ebcb6b3e36", kill_on_drop: false }` [INFO] [stdout] 4e6778ec50c54b102992c4633470f63eabbd271fa9a436fdaebb35ebcb6b3e36