[INFO] cloning repository https://github.com/MegasKomnenos/poc2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MegasKomnenos/poc2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0a0ac56a34fef225f98d35eb4db4f1220018b4b [INFO] testing MegasKomnenos/poc2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MegasKomnenos/poc2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MegasKomnenos/poc2 [INFO] finished tweaking git repo https://github.com/MegasKomnenos/poc2 [INFO] tweaked toml for git repo https://github.com/MegasKomnenos/poc2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/MegasKomnenos/poc2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enum-primitive-derive v0.1.2 [INFO] [stderr] Downloaded pathfinding v2.0.0 [INFO] [stderr] Downloaded paste v0.1.6 [INFO] [stderr] Downloaded paste-impl v0.1.6 [INFO] [stderr] Downloaded fluent-syntax v0.9.1 [INFO] [stderr] Downloaded ordered-float v0.5.2 [INFO] [stderr] Downloaded js-sys v0.3.32 [INFO] [stderr] Downloaded inventory v0.1.4 [INFO] [stderr] Downloaded proc_macro_roids v0.6.0 [INFO] [stderr] Downloaded fluent-locale v0.10.1 [INFO] [stderr] Downloaded unic-langid-macros-impl v0.6.0 [INFO] [stderr] Downloaded fluent v0.8.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.0 [INFO] [stderr] Downloaded serde_bytes v0.11.3 [INFO] [stderr] Downloaded fluent-bundle v0.8.0 [INFO] [stderr] Downloaded intl_pluralrules v4.0.1 [INFO] [stderr] Downloaded voronoi v0.1.4 [INFO] [stderr] Downloaded unic-langid v0.6.1 [INFO] [stderr] Downloaded bitintr v0.3.0 [INFO] [stderr] Downloaded unic-langid-macros v0.6.0 [INFO] [stderr] Downloaded euclid v0.20.6 [INFO] [stderr] Downloaded unic-langid-impl v0.6.2 [INFO] [stderr] Downloaded cmake v0.1.42 [INFO] [stderr] Downloaded err-derive v0.1.6 [INFO] [stderr] Downloaded servo-fontconfig-sys v4.0.8 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded getset v0.0.8 [INFO] [stderr] Downloaded shred v0.9.4 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d635e69efe1564db282bd0dff7d0e8f6afdda19ca514fc62bb519be85c32e179 [INFO] running `Command { std: "docker" "start" "-a" "d635e69efe1564db282bd0dff7d0e8f6afdda19ca514fc62bb519be85c32e179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d635e69efe1564db282bd0dff7d0e8f6afdda19ca514fc62bb519be85c32e179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d635e69efe1564db282bd0dff7d0e8f6afdda19ca514fc62bb519be85c32e179", kill_on_drop: false }` [INFO] [stdout] d635e69efe1564db282bd0dff7d0e8f6afdda19ca514fc62bb519be85c32e179 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4015d9dd9c67078159dd116b1b75ec6c7ecdebb7633431dfdec5a117a23ab73 [INFO] running `Command { std: "docker" "start" "-a" "d4015d9dd9c67078159dd116b1b75ec6c7ecdebb7633431dfdec5a117a23ab73", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling downcast-rs v1.1.1 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling fluent-syntax v0.9.1 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling bitintr v0.3.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.8 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling unic-langid-impl v0.6.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling raw-window-handle v0.1.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling err-derive v0.1.6 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling lexical v2.2.2 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling rustc-hash v1.0.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling ash v0.29.0 [INFO] [stderr] Compiling colored v1.9.0 [INFO] [stderr] Compiling cpal v0.8.2 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-7f783eb8249de367/build-script-build` (exit status: 101) [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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x564890e9f520 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x564890e9f520 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x564890e9f520 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x564890e9f520 - ::fmt::he312f4ad5b9bb346 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x564890ebc62c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x564890e9d635 - std::io::Write::write_fmt::h6aced00850e8186f [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x564890ea11cb - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x564890ea11cb - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x564890ea11cb - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x564890ea0ca1 - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x564890ea1894 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x564890ea1377 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x564890e9f9fc - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x564890ea12d9 - rust_begin_unwind [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x564890e6b041 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x564890e6b0d3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1599:5 [INFO] [stderr] 16: 0x564890e6e8ae - core::result::Result::unwrap::h78be189ec1a7059a [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1281:23 [INFO] [stderr] 17: 0x564890e6be3e - build_script_build::main::hbb259f6cedc6fdf1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17 [INFO] [stderr] 18: 0x564890e6d73b - core::ops::function::FnOnce::call_once::hc1590d942785370f [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x564890e6d93e - std::sys_common::backtrace::__rust_begin_short_backtrace::hab13c221bf219376 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x564890e6d591 - std::rt::lang_start::{{closure}}::he70419f9880b3b92 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x564890ea1d9a - core::ops::function::impls:: for &F>::call_once::h5a0483c8d4e9c15d [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x564890ea1d9a - std::panicking::try::do_call::h6ad7918f175f6ddd [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x564890ea1d9a - std::panicking::try::hcd5af58f52320690 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x564890ea1d9a - std::panic::catch_unwind::hf1ae33ba67228f1e [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x564890ea1d9a - std::rt::lang_start_internal::{{closure}}::h4a87bc0aa1312dc5 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x564890ea1d9a - std::panicking::try::do_call::h1ade2a52932fc900 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40 [INFO] [stderr] 27: 0x564890ea1d9a - std::panicking::try::h6f4a87ad169e174b [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19 [INFO] [stderr] 28: 0x564890ea1d9a - std::panic::catch_unwind::h043c7f08019f9e2a [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14 [INFO] [stderr] 29: 0x564890ea1d9a - std::rt::lang_start_internal::h82825699ebfd70bd [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x564890e6d560 - std::rt::lang_start::hb3976938e7d5ede4 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x564890e6cf3c - main [INFO] [stderr] 32: 0x7efd1e73f0b3 - __libc_start_main [INFO] [stderr] 33: 0x564890e6b79e - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d4015d9dd9c67078159dd116b1b75ec6c7ecdebb7633431dfdec5a117a23ab73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4015d9dd9c67078159dd116b1b75ec6c7ecdebb7633431dfdec5a117a23ab73", kill_on_drop: false }` [INFO] [stdout] d4015d9dd9c67078159dd116b1b75ec6c7ecdebb7633431dfdec5a117a23ab73