[INFO] cloning repository https://github.com/insideoutclub/ElementsOfProgramming [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/insideoutclub/ElementsOfProgramming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsideoutclub%2FElementsOfProgramming", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsideoutclub%2FElementsOfProgramming'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93bf6ebf84d1e8075cf2b01ceee3119be7c9d0a2 [INFO] testing insideoutclub/ElementsOfProgramming against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsideoutclub%2FElementsOfProgramming" "/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/insideoutclub/ElementsOfProgramming on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/insideoutclub/ElementsOfProgramming [INFO] finished tweaking git repo https://github.com/insideoutclub/ElementsOfProgramming [INFO] tweaked toml for git repo https://github.com/insideoutclub/ElementsOfProgramming written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/insideoutclub/ElementsOfProgramming already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38f7ac300b0cf44ed94d6c95c97a9e1bbef1b2b3d335673f16ec036eb0fcc1e7 [INFO] running `Command { std: "docker" "start" "-a" "38f7ac300b0cf44ed94d6c95c97a9e1bbef1b2b3d335673f16ec036eb0fcc1e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38f7ac300b0cf44ed94d6c95c97a9e1bbef1b2b3d335673f16ec036eb0fcc1e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38f7ac300b0cf44ed94d6c95c97a9e1bbef1b2b3d335673f16ec036eb0fcc1e7", kill_on_drop: false }` [INFO] [stdout] 38f7ac300b0cf44ed94d6c95c97a9e1bbef1b2b3d335673f16ec036eb0fcc1e7 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] afd44ab5b586b86e5d343ecc5ad49492f6d823db05d544d26a92cf6281801df3 [INFO] running `Command { std: "docker" "start" "-a" "afd44ab5b586b86e5d343ecc5ad49492f6d823db05d544d26a92cf6281801df3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling typenum v1.11.2 [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-complex v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling eop v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] thread 'rustc' panicked at 'internal error: entered unreachable code', compiler/rustc_parse/src/parser/item.rs:1723:17 [INFO] [stdout] error: expected `;`, found `}` [INFO] [stdout] --> src/lib.rs:6094:40 [INFO] [stdout] | [INFO] [stdout] 6094 | fn deref(&self, i: I::DistanceType) [INFO] [stdout] | ^ help: add `;` here [INFO] [stdout] 6095 | } [INFO] [stdout] | - unexpected token [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fe2e30d0f50 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7fe2e30d0f50 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fe2e30d0f50 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fe2e30d0f50 - ::fmt::he312f4ad5b9bb346 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fe2e313ebbc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x7fe2e30c2835 - std::io::Write::write_fmt::h6aced00850e8186f [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x7fe2e30d4c6b - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fe2e30d4c6b - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fe2e30d4c6b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fe2e30d4741 - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7fe2e38b1901 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::h98690b446fb8b04c [INFO] [stderr] 11: 0x7fe2e30d5499 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7fe2e30d4f27 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:517:13 [INFO] [stderr] 13: 0x7fe2e30d142c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7fe2e30d4eb9 - rust_begin_unwind [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5 [INFO] [stderr] 15: 0x7fe2e309ff81 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14 [INFO] [stderr] 16: 0x7fe2e309fecd - core::panicking::panic::hd695e3b1d0dd4ef4 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:50:5 [INFO] [stderr] 17: 0x7fe2e514a201 - rustc_parse::parser::item::::parse_fn::hefcf90127cbcbd75 [INFO] [stderr] 18: 0x7fe2e513ac4c - rustc_parse::parser::item::::parse_item_kind::ha97c5573f937a5d0 [INFO] [stderr] 19: 0x7fe2e51380c8 - rustc_parse::parser::item::::parse_item_common::h2f3e3697063cf620 [INFO] [stderr] 20: 0x7fe2e5147966 - rustc_parse::parser::item::::parse_assoc_item::h39eabe6ef2254c0a [INFO] [stderr] 21: 0x7fe2e5b03dee - rustc_parse::parser::item::::parse_item_impl::h053196e99b4b211c [INFO] [stderr] 22: 0x7fe2e513c02c - rustc_parse::parser::item::::parse_item_kind::ha97c5573f937a5d0 [INFO] [stderr] 23: 0x7fe2e51380c8 - rustc_parse::parser::item::::parse_item_common::h2f3e3697063cf620 [INFO] [stderr] 24: 0x7fe2e5b031d4 - rustc_parse::parser::item::::parse_mod::hdc8bf2d1492ce3bf [INFO] [stderr] 25: 0x7fe2e5b20492 - rustc_parse::parse_crate_from_file::h887d1d4254e61f3a [INFO] [stderr] 26: 0x7fe2e53df623 - rustc_session::utils::::time::hc34c5bc1452f37ce [INFO] [stderr] 27: 0x7fe2e53c6d4d - rustc_interface::passes::parse::h8410539c11fa4a2c [INFO] [stderr] 28: 0x7fe2e53c0e57 - rustc_interface::queries::Queries::parse::h07375bcbce94d932 [INFO] [stderr] 29: 0x7fe2e53a0548 - rustc_interface::queries::::enter::h9ff1bb326f6cbdde [INFO] [stderr] 30: 0x7fe2e538fbbc - rustc_span::with_source_map::h35aa4a6792e2f0de [INFO] [stderr] 31: 0x7fe2e53a146a - rustc_interface::interface::create_compiler_and_run::h600b31664ea7498c [INFO] [stderr] 32: 0x7fe2e5393d49 - scoped_tls::ScopedKey::set::h95fded8ea1ce829a [INFO] [stderr] 33: 0x7fe2e539018a - std::sys_common::backtrace::__rust_begin_short_backtrace::hcb9f52ef891273be [INFO] [stderr] 34: 0x7fe2e538f475 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d639d5804de8241 [INFO] [stderr] 35: 0x7fe2e30e1a27 - as core::ops::function::FnOnce>::call_once::h09f167e08fc945ff [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 36: 0x7fe2e30e1a27 - as core::ops::function::FnOnce>::call_once::hf814fe85eeb118e0 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 37: 0x7fe2e30e1a27 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17 [INFO] [stderr] 38: 0x7fe2e2ffd609 - start_thread [INFO] [stderr] 39: 0x7fe2e2f11293 - clone [INFO] [stderr] 40: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [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 1.56.0-nightly (b70888601 2021-07-28) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib [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 `eop` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "afd44ab5b586b86e5d343ecc5ad49492f6d823db05d544d26a92cf6281801df3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afd44ab5b586b86e5d343ecc5ad49492f6d823db05d544d26a92cf6281801df3", kill_on_drop: false }` [INFO] [stdout] afd44ab5b586b86e5d343ecc5ad49492f6d823db05d544d26a92cf6281801df3