[INFO] cloning repository https://github.com/StappsWorld/Percival [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StappsWorld/Percival" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2FPercival", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2FPercival'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ef0d556f823bb06ae2c19cae632b34ec27e9f98 [INFO] testing StappsWorld/Percival against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2FPercival" "/workspace/builds/worker-96/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/StappsWorld/Percival on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/StappsWorld/Percival [INFO] finished tweaking git repo https://github.com/StappsWorld/Percival [INFO] tweaked toml for git repo https://github.com/StappsWorld/Percival written to /workspace/builds/worker-96/source/Cargo.toml [INFO] crate git repo https://github.com/StappsWorld/Percival already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 364c276821b19ad7174c21159d2547c1f8afab277006dca70316c4fb7cfc5949 [INFO] running `Command { std: "docker" "start" "-a" "364c276821b19ad7174c21159d2547c1f8afab277006dca70316c4fb7cfc5949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "364c276821b19ad7174c21159d2547c1f8afab277006dca70316c4fb7cfc5949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "364c276821b19ad7174c21159d2547c1f8afab277006dca70316c4fb7cfc5949", kill_on_drop: false }` [INFO] [stdout] 364c276821b19ad7174c21159d2547c1f8afab277006dca70316c4fb7cfc5949 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25fe29901327b3aa930601309931547952ebc2610dde79995df94cac9f83bc10 [INFO] running `Command { std: "docker" "start" "-a" "25fe29901327b3aa930601309931547952ebc2610dde79995df94cac9f83bc10", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling lalrpop-util v0.19.5 [INFO] [stderr] Compiling lalrpop v0.19.5 [INFO] [stderr] Compiling percival v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `percival v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/percival-c3225b9b7e31f216/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/parser/hc.lalrpop` [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:9:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5600e437010c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x5600e437010c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5600e437010c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5600e437010c - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5600e438fbbc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x5600e436d015 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x5600e4371940 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5600e4371940 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5600e4371940 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x5600e43714eb - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5600e4371ff4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x5600e4371ad0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x5600e43705c4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5600e4371a39 - rust_begin_unwind [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x5600e3ae54e1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stderr] 15: 0x5600e3ae55d3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x5600e3ae7168 - core::result::Result::unwrap::h49df6e6451d11b28 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x5600e3ae65f4 - build_script_build::main::h85ebaa756a86f568 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:5:5 [INFO] [stderr] 18: 0x5600e3ae66bb - core::ops::function::FnOnce::call_once::hbf9fd24b27de3432 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5600e3ae649e - std::sys_common::backtrace::__rust_begin_short_backtrace::h6fce851eefaaf6c7 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x5600e3ae6db1 - std::rt::lang_start::{{closure}}::h3688a282100a6253 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x5600e436f951 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5600e436f951 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x5600e436f951 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x5600e436f951 - std::panic::catch_unwind::hab40227675186980 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x5600e436f951 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x5600e436f951 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x5600e436f951 - std::panicking::try::h32d4e72fd8922bce [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x5600e436f951 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x5600e436f951 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x5600e3ae6d80 - std::rt::lang_start::he8fee31809898cd4 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x5600e3ae663c - main [INFO] [stderr] 32: 0x7fb771f8e0b3 - __libc_start_main [INFO] [stderr] 33: 0x5600e3ae5c9e - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "25fe29901327b3aa930601309931547952ebc2610dde79995df94cac9f83bc10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25fe29901327b3aa930601309931547952ebc2610dde79995df94cac9f83bc10", kill_on_drop: false }` [INFO] [stdout] 25fe29901327b3aa930601309931547952ebc2610dde79995df94cac9f83bc10