[INFO] cloning repository https://github.com/CopperWasp/Rust_exercise [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CopperWasp/Rust_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCopperWasp%2FRust_exercise", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCopperWasp%2FRust_exercise'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9118d5e6f72440328eb60a5b7f6fbea47980abe5 [INFO] building CopperWasp/Rust_exercise against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCopperWasp%2FRust_exercise" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CopperWasp/Rust_exercise on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CopperWasp/Rust_exercise [INFO] finished tweaking git repo https://github.com/CopperWasp/Rust_exercise [INFO] tweaked toml for git repo https://github.com/CopperWasp/Rust_exercise written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/CopperWasp/Rust_exercise already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26cd79dbf4f4ea7b8756cfd3d43cbed56141c5227d4b6cd2399744535a87c63b [INFO] running `Command { std: "docker" "start" "-a" "26cd79dbf4f4ea7b8756cfd3d43cbed56141c5227d4b6cd2399744535a87c63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26cd79dbf4f4ea7b8756cfd3d43cbed56141c5227d4b6cd2399744535a87c63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26cd79dbf4f4ea7b8756cfd3d43cbed56141c5227d4b6cd2399744535a87c63b", kill_on_drop: false }` [INFO] [stdout] 26cd79dbf4f4ea7b8756cfd3d43cbed56141c5227d4b6cd2399744535a87c63b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dc056e264f5b9cb84feb9d080e5d28accabd7f4f58f862b451a2f61c163bdfb [INFO] running `Command { std: "docker" "start" "-a" "7dc056e264f5b9cb84feb9d080e5d28accabd7f4f58f862b451a2f61c163bdfb", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling let_lang_proj v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | try!(lexer.scan()); // May return from tokenize() w/ Err(LexErr). If no error, then [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:125:29 [INFO] [stdout] | [INFO] [stdout] 125 | 'a' ... 'z' | 'A' ... 'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:125:43 [INFO] [stdout] | [INFO] [stdout] 125 | 'a' ... 'z' | 'A' ... 'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:128:29 [INFO] [stdout] | [INFO] [stdout] 128 | ... try!(self.parse_whitespace_paren_or_eoi()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:126:39 [INFO] [stdout] | [INFO] [stdout] 126 | ... let tok = try!(self.scan_keywrd_ident_bool()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:132:41 [INFO] [stdout] | [INFO] [stdout] 132 | ... Some('0'...'9') => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:137:37 [INFO] [stdout] | [INFO] [stdout] 137 | ... try!(self.parse_whitespace_paren_or_eoi()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:135:47 [INFO] [stdout] | [INFO] [stdout] 135 | ... let val = try!(self.parse_number()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:148:41 [INFO] [stdout] | [INFO] [stdout] 148 | ... Some('0'...'9') => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:153:37 [INFO] [stdout] | [INFO] [stdout] 153 | ... try!(self.parse_whitespace_paren_or_eoi()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:151:47 [INFO] [stdout] | [INFO] [stdout] 151 | ... let val = try!(self.parse_number()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:161:29 [INFO] [stdout] | [INFO] [stdout] 161 | '0' ... '9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:164:29 [INFO] [stdout] | [INFO] [stdout] 164 | ... try!(self.parse_whitespace_paren_or_eoi()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/proc_lang_scanner.rs:162:39 [INFO] [stdout] | [INFO] [stdout] 162 | ... let val = try!(self.parse_number()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:183:29 [INFO] [stdout] | [INFO] [stdout] 183 | 'a' ... 'z' => { s.push(c); [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | 'A' ... 'Z' => { s.push(c); [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/proc_lang_scanner.rs:235:28 [INFO] [stdout] | [INFO] [stdout] 235 | '0'...'9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/let_lang_parser.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | try!(self.match_token(&Token::Minus)); // return with Err(ParseErr) if no match [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/let_lang_parser.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | try!(self.match_token(&Token::Lparen)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/let_lang_parser.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | try!(self.match_token(&Token::Comma)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/let_lang_parser.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | try!(self.match_token(&Token::Rparen)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/let_lang_parser.rs:187:18 [INFO] [stdout] | [INFO] [stdout] 187 | let e1 = try!(self.parse_let_lang_exp()); // return with Err(ParseErr) if no parse [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/let_lang_parser.rs:189:18 [INFO] [stdout] | [INFO] [stdout] 189 | let e2 = try!(self.parse_let_lang_exp()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_lang_env` [INFO] [stdout] --> src/proc_lang_exp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use proc_lang_env; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb264 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at compiler/rustc_mir_build/src/builder/scope.rs:1724:17: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7ced2f181caa - ::fmt::h636462e57d5ef1e1 [INFO] [stderr] 1: 0x7ced2f813cbc - core::fmt::write::h067060808ac50eb9 [INFO] [stderr] 2: 0x7ced30728e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd [INFO] [stderr] 3: 0x7ced2f181b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9 [INFO] [stderr] 4: 0x7ced2f183ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d [INFO] [stderr] 5: 0x7ced2f183e43 - std::panicking::default_hook::h25f21dc0f2064615 [INFO] [stderr] 6: 0x7ced2e2eff28 - std[b36e883d67eb0403]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7ced2f1847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605 [INFO] [stderr] 8: 0x7ced2e32a341 - std[b36e883d67eb0403]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x7ced2e31f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x7ced2e31f50d - std[b36e883d67eb0403]::panicking::begin_panic:: [INFO] [stderr] 11: 0x7ced2e3342a1 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7ced2e884fdc - ::span_bug:: [INFO] [stderr] 13: 0x7ced2e90a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x7ced2e8f006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x7ced2e8efefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x7ced2cd34437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x7ced301d541b - ::build_unwind_tree [INFO] [stderr] 18: 0x7ced301cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build [INFO] [stderr] 19: 0x7ced2f807714 - rustc_mir_transform[857cd804783fef4d]::mir_built [INFO] [stderr] 20: 0x7ced2f8076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x7ced2fa953d1 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 22: 0x7ced2fa94f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x7ced2c867185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety [INFO] [stderr] 24: 0x7ced300e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x7ced300e9b69 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 26: 0x7ced300e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x7ced2fc9bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses [INFO] [stderr] 28: 0x7ced3072cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis [INFO] [stderr] 29: 0x7ced3072cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x7ced3077b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x7ced3077b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x7ced307701de - rustc_interface[b59e7ee7606ca029]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 33: 0x7ced307dff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 34: 0x7ced306f5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 35: 0x7ced306f551c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[303105738bd0c2ae]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 36: 0x7ced306f6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05 [INFO] [stderr] 37: 0x7ced31df9ac3 - [INFO] [stderr] 38: 0x7ced31e8aa04 - clone [INFO] [stderr] 39: 0x0 - [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: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2024-12-31T20_09_56-9.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.85.0-nightly (9b5e8b16b 2024-12-19) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 [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] #0 [mir_built] building MIR for `proc_lang_scanner::::scan` [INFO] [stderr] #1 [check_unsafety] unsafety-checking `proc_lang_scanner::::scan` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/proc_lang_env.rs:32:58 [INFO] [stdout] | [INFO] [stdout] 32 | ProcEnvExp::ExtendEnvRec(pname, bvar, pbody, env) => [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pname` [INFO] [stdout] --> src/proc_lang_env.rs:59:38 [INFO] [stdout] | [INFO] [stdout] 59 | ProcEnvExp::ExtendEnvRec(pname, bvar, pbody, env) => {let mut temp = "proc ".to_string(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pname` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exp` [INFO] [stdout] --> src/int_bool_proc.rs:17:39 [INFO] [stdout] | [INFO] [stdout] 17 | IntBoolProc::Procedure(s, exp, env) => s.to_string(), //check [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/int_bool_proc.rs:17:44 [INFO] [stdout] | [INFO] [stdout] 17 | IntBoolProc::Procedure(s, exp, env) => s.to_string(), //check [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `let_lang_proj` (lib); 28 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name let_lang_proj --edition=2015 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=ba850efcb53f1154 -C extra-filename=-6c1631378f5167db --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "7dc056e264f5b9cb84feb9d080e5d28accabd7f4f58f862b451a2f61c163bdfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dc056e264f5b9cb84feb9d080e5d28accabd7f4f58f862b451a2f61c163bdfb", kill_on_drop: false }` [INFO] [stdout] 7dc056e264f5b9cb84feb9d080e5d28accabd7f4f58f862b451a2f61c163bdfb