[INFO] cloning repository https://github.com/eazar001/wam-prolog-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eazar001/wam-prolog-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d42eff559a41e53c4f582bd25216c4821832ef0a [INFO] testing eazar001/wam-prolog-in-rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eazar001/wam-prolog-in-rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eazar001/wam-prolog-in-rust [INFO] finished tweaking git repo https://github.com/eazar001/wam-prolog-in-rust [INFO] tweaked toml for git repo https://github.com/eazar001/wam-prolog-in-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/eazar001/wam-prolog-in-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ena v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69a22876a5d555b11a9f8c9cf6015ae06b3ab48a5b63271f607839cf642ce2ab [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" "69a22876a5d555b11a9f8c9cf6015ae06b3ab48a5b63271f607839cf642ce2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69a22876a5d555b11a9f8c9cf6015ae06b3ab48a5b63271f607839cf642ce2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69a22876a5d555b11a9f8c9cf6015ae06b3ab48a5b63271f607839cf642ce2ab", kill_on_drop: false }` [INFO] [stdout] 69a22876a5d555b11a9f8c9cf6015ae06b3ab48a5b63271f607839cf642ce2ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26b3ed4c008b9133be00e28ee073b7028c8a89186585887f2b6bd360001d91c1 [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" "26b3ed4c008b9133be00e28ee073b7028c8a89186585887f2b6bd360001d91c1", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling bfg-prolog v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9783:5 [INFO] [stdout] | [INFO] [stdout] 9783 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9794:5 [INFO] [stdout] | [INFO] [stdout] 9794 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9805:5 [INFO] [stdout] | [INFO] [stdout] 9805 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9816:5 [INFO] [stdout] | [INFO] [stdout] 9816 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9827:5 [INFO] [stdout] | [INFO] [stdout] 9827 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9838:5 [INFO] [stdout] | [INFO] [stdout] 9838 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9849:5 [INFO] [stdout] | [INFO] [stdout] 9849 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs:9860:5 [INFO] [stdout] | [INFO] [stdout] 9860 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:59:5 [INFO] [stdout] error: internal compiler error: cannot lex `source_file` without source: /opt/rustwide/target/debug/build/bfg-prolog-457ee8f2f085674c/out/parser.rs [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7eff37cc74c0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7eff37cc74c0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7eff37cc74c0 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7eff37cc74c0 - ::fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7eff37d34e9c - core[ee1ca6415511a9c4]::fmt::write [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x7eff37cb8e15 - ::write_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x7eff37ccb20b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7eff37ccb20b - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7eff37ccb20b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7eff37ccace1 - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7eff38480afd - rustc_driver[483abbcf9e72e7cf]::report_ice [INFO] [stderr] 11: 0x7eff37ccba16 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7eff3944234b - std[77c0456e0eb29f0c]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 13: 0x7eff39442296 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 14: 0x7eff3944361f - std[77c0456e0eb29f0c]::panicking::begin_panic:: [INFO] [stderr] 15: 0x7eff3945b73d - std[77c0456e0eb29f0c]::panic::panic_any:: [INFO] [stderr] 16: 0x7eff3945e5da - ::bug [INFO] [stderr] 17: 0x7eff3945e080 - ::bug [INFO] [stderr] 18: 0x7eff3a6eb02e - rustc_parse[58a0bff0c70882c2]::maybe_file_to_stream [INFO] [stderr] 19: 0x7eff3a6eabcd - rustc_parse[58a0bff0c70882c2]::maybe_source_file_to_parser [INFO] [stderr] 20: 0x7eff3a6ea8ca - rustc_parse[58a0bff0c70882c2]::new_parser_from_file [INFO] [stderr] 21: 0x7eff3874e9bd - rustc_builtin_macros[1141f306c566ac86]::source_util::expand_include [INFO] [stderr] 22: 0x7eff39c56223 - ::fully_expand_fragment [INFO] [stderr] 23: 0x7eff3a66984b - ::expand_crate [INFO] [stderr] 24: 0x7eff39fac3b2 - ::time::, rustc_interface[2a693571f116958c]::passes::configure_and_expand_inner::{closure#1}> [INFO] [stderr] 25: 0x7eff39fa6d1d - rustc_interface[2a693571f116958c]::passes::configure_and_expand_inner [INFO] [stderr] 26: 0x7eff39fa464f - rustc_interface[2a693571f116958c]::passes::configure_and_expand::{closure#0} [INFO] [stderr] 27: 0x7eff39fa0db9 - , for<'a, 'b> fn((&'a mut rustc_resolve[7beac6e9f86000ef]::Resolver<'b>,)), rustc_middle[4cd8eb4e66530e50]::ty::ResolverOutputs>>::new:: [INFO] [stderr] 28: 0x7eff39fa61d1 - rustc_interface[2a693571f116958c]::passes::configure_and_expand [INFO] [stderr] 29: 0x7eff39fb2452 - ::expansion [INFO] [stderr] 30: 0x7eff39f79310 - ::enter::, rustc_errors[a6601eba5631ab8e]::ErrorReported>> [INFO] [stderr] 31: 0x7eff39f7656c - rustc_span[41f5d8395d191526]::with_source_map::, rustc_interface[2a693571f116958c]::interface::create_compiler_and_run, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}> [INFO] [stderr] 32: 0x7eff39f7a3c8 - >::set::, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>> [INFO] [stderr] 33: 0x7eff39f9deab - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, ()> [INFO] [stderr] 34: 0x7eff39f74f35 - <::spawn_unchecked, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, ()>::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 35: 0x7eff37cd7f47 - > as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 36: 0x7eff37cd7f47 - >> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 37: 0x7eff37cd7f47 - ::new::thread_start [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stderr] 38: 0x7eff37bf8609 - start_thread [INFO] [stderr] 39: 0x7eff37b0c293 - clone [INFO] [stderr] 40: 0x0 - [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.54.0-nightly (ce59db7a1 2021-05-20) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type bin [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bfg-prolog` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "26b3ed4c008b9133be00e28ee073b7028c8a89186585887f2b6bd360001d91c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26b3ed4c008b9133be00e28ee073b7028c8a89186585887f2b6bd360001d91c1", kill_on_drop: false }` [INFO] [stdout] 26b3ed4c008b9133be00e28ee073b7028c8a89186585887f2b6bd360001d91c1