[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] 58303c21c1efc4e7c9fd4764ff141788ea38d819 [INFO] checking archshift/accion against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farchshift%2Faccion" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/archshift/accion on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] 5908dccef5c6cbccce803169553fd66dc7c02e4f2a8237443e7a84e540b66e91 [INFO] running `Command { std: "docker" "start" "-a" "5908dccef5c6cbccce803169553fd66dc7c02e4f2a8237443e7a84e540b66e91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5908dccef5c6cbccce803169553fd66dc7c02e4f2a8237443e7a84e540b66e91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5908dccef5c6cbccce803169553fd66dc7c02e4f2a8237443e7a84e540b66e91", kill_on_drop: false }` [INFO] [stdout] 5908dccef5c6cbccce803169553fd66dc7c02e4f2a8237443e7a84e540b66e91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c336a8c48044b81334977344fb0e049ad7e6dc669ccd237926ab08ba3c46014 [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" "2c336a8c48044b81334977344fb0e049ad7e6dc669ccd237926ab08ba3c46014", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling cbindgen v0.15.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling dynstack v0.4.0 (https://github.com/archshift/dynstack?rev=7bba8e808b907c6a0d70e648fb0bc5672cf87c22#7bba8e80) [INFO] [stderr] Checking static_assertions v0.3.4 [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 libc v0.2.79 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling iced-x86 v1.9.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling getrandom v0.1.15 [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 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-80916744ad2ee39d/build-script-build` (exit status: 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: 0x55fd26af0ff0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55fd26af0ff0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55fd26af0ff0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55fd26af0ff0 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55fd26b18aaf - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55fd26aed805 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55fd26af386b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55fd26af386b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55fd26af386b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55fd26af334d - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55fd26af3e1d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55fd26af3a17 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55fd26af14ac - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55fd26af3979 - rust_begin_unwind [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55fd265e3801 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55fd265e38f3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55fd26600ef6 - core::result::Result::expect::h16f228f07dad60e2 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x55fd2663348b - build_script_build::main::h7d3e7b01b49610af [INFO] [stderr] at /opt/rustwide/workdir/build.rs:42:21 [INFO] [stderr] 18: 0x55fd2660371b - core::ops::function::FnOnce::call_once::habc4f7f1f33598e8 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55fd266282de - std::sys_common::backtrace::__rust_begin_short_backtrace::hee140cd71b46df3f [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55fd2660d4b1 - std::rt::lang_start::{{closure}}::h926e0c9c3857be04 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55fd26af431a - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55fd26af431a - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55fd26af431a - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55fd26af431a - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55fd26af431a - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55fd2660d490 - std::rt::lang_start::h9b304262284a17aa [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55fd26633f3c - main [INFO] [stderr] 28: 0x7f443b16c0b3 - __libc_start_main [INFO] [stderr] 29: 0x55fd265e3f9e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "2c336a8c48044b81334977344fb0e049ad7e6dc669ccd237926ab08ba3c46014", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c336a8c48044b81334977344fb0e049ad7e6dc669ccd237926ab08ba3c46014", kill_on_drop: false }` [INFO] [stdout] 2c336a8c48044b81334977344fb0e049ad7e6dc669ccd237926ab08ba3c46014