[INFO] cloning repository https://github.com/aleksandrpak/rust-talk [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleksandrpak/rust-talk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksandrpak%2Frust-talk", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksandrpak%2Frust-talk'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed25c7d85040ef552d038547bcd9f4d6476184ca [INFO] checking aleksandrpak/rust-talk against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksandrpak%2Frust-talk" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aleksandrpak/rust-talk on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aleksandrpak/rust-talk [INFO] finished tweaking git repo https://github.com/aleksandrpak/rust-talk [INFO] tweaked toml for git repo https://github.com/aleksandrpak/rust-talk written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/aleksandrpak/rust-talk already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56c54ea73d5847235210345e78a9079f7f1f15f0e00cfddb8104bf76391441c5 [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" "56c54ea73d5847235210345e78a9079f7f1f15f0e00cfddb8104bf76391441c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56c54ea73d5847235210345e78a9079f7f1f15f0e00cfddb8104bf76391441c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56c54ea73d5847235210345e78a9079f7f1f15f0e00cfddb8104bf76391441c5", kill_on_drop: false }` [INFO] [stdout] 56c54ea73d5847235210345e78a9079f7f1f15f0e00cfddb8104bf76391441c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5a1d0a57cf0df3e801de2a83d889a102cf2a849cda8bfe36a4625bb9ced4524 [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" "c5a1d0a57cf0df3e801de2a83d889a102cf2a849cda8bfe36a4625bb9ced4524", kill_on_drop: false }` [INFO] [stderr] Checking rust-talk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `bar` [INFO] [stdout] --> examples/string_third.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | bar: Cow<'a, str>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0373]: closure may outlive the current function, but it borrows `foo`, which is owned by the current function [INFO] [stdout] --> examples/mutex.rs:21:19 [INFO] [stdout] | [INFO] [stdout] 21 | thread::spawn(|| { [INFO] [stdout] | ^^ may outlive borrowed value `foo` [INFO] [stdout] 22 | foo.increment(); [INFO] [stdout] | --- `foo` is borrowed here [INFO] [stdout] | [INFO] [stdout] note: function requires argument type to outlive `'static` [INFO] [stdout] --> examples/mutex.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | / thread::spawn(|| { [INFO] [stdout] 22 | | foo.increment(); [INFO] [stdout] 23 | | }); [INFO] [stdout] | |______^ [INFO] [stdout] help: to force the closure to take ownership of `foo` (and any other referenced variables), use the `move` keyword [INFO] [stdout] | [INFO] [stdout] 21 | thread::spawn(move || { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0373`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-talk` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] thread 'rustc' panicked at 'index out of bounds: the len is 12 but the index is 12', compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs:450:53 [INFO] [stderr] stack backtrace: [INFO] [stdout] warning: field is never read: `bar` [INFO] [stdout] --> examples/string_second.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | bar: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: borrow of moved value: `vec` [INFO] [stdout] --> examples/for.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 2 | let mut vec = vec![1, 2, 3]; [INFO] [stdout] | ------- move occurs because `vec` has type `Vec`, which does not implement the `Copy` trait [INFO] [stdout] 3 | [INFO] [stdout] 4 | for item in vec { [INFO] [stdout] | --- [INFO] [stdout] | | [INFO] [stdout] | `vec` moved due to this implicit call to `.into_iter()` [INFO] [stdout] | help: consider borrowing to avoid moving into the for loop: `&vec` [INFO] [stdout] ... [INFO] [stdout] 8 | vec[0] = 0; [INFO] [stdout] | ^^^ value borrowed here after move [INFO] [stdout] | [INFO] [stdout] note: this function takes ownership of the receiver `self`, which moves `vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stderr] 0: 0x7f74ad55921c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x7f74ad55921c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f74ad55921c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f74ad55921c - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f74ad5b614c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x7f74ad5499c5 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x7f74ad55c3e0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f74ad55c3e0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f74ad55c3e0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x7f74ad55bf8b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:228:9 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> examples/string_first.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | let foo = Foo::new("bar"); [INFO] [stdout] | ^^^^^- help: try using a conversion method: `.to_string()` [INFO] [stdout] | | [INFO] [stdout] | expected struct `String`, found `&str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] 10: 0x7f74adcf3871 - rustc_driver[e620c7401644acc4]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f74ad55cbf9 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:610:17 [INFO] [stderr] 12: 0x7f74ad55c6b0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:502:13 [INFO] [stderr] 13: 0x7f74ad5596d4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 14: 0x7f74ad55c619 - rust_begin_unwind [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:498:5 [INFO] [stderr] 15: 0x7f74ad521621 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/panicking.rs:107:14 [INFO] [stderr] 16: 0x7f74ad5215e2 - core::panicking::panic_bounds_check::h63650a5dfc9aa86f [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/panicking.rs:75:5 [INFO] [stderr] 17: 0x7f74ae2e0a7d - >::map::::report_mutability_error::{closure#2}> [INFO] [stderr] 18: 0x7f74ae2f6ccf - ::report_mutability_error [INFO] [stderr] 19: 0x7f74ae301613 - ::visit_statement_before_primary_effect [INFO] [stderr] 20: 0x7f74af3c588f - ::visit_results_in_block::, rustc_index[1c51b78c9996c7d7]::bit_set::BitSet, rustc_index[1c51b78c9996c7d7]::bit_set::BitSet>, rustc_borrowck[a407a7ce97bd973b]::dataflow::BorrowckAnalyses, rustc_mir_dataflow[aac604db03682c84]::framework::engine::Results, rustc_mir_dataflow[aac604db03682c84]::framework::engine::Results>, rustc_borrowck[a407a7ce97bd973b]::MirBorrowckCtxt> [INFO] [stderr] 21: 0x7f74af42ace0 - rustc_borrowck[a407a7ce97bd973b]::do_mir_borrowck [INFO] [stderr] 22: 0x7f74af3bd2a6 - ::enter:: [INFO] [stderr] 23: 0x7f74af41ef96 - rustc_borrowck[a407a7ce97bd973b]::mir_borrowck [INFO] [stderr] 24: 0x7f74af41bd07 - >::call_once [INFO] [stderr] 25: 0x7f74af59ef3d - rustc_query_system[efb192c4209e4e11]::query::plumbing::try_execute_query::> [INFO] [stderr] 26: 0x7f74af62fd5e - ::mir_borrowck [INFO] [stderr] 27: 0x7f74aef2531d - ::time::<(), rustc_interface[f89f8228a4e35bc7]::passes::analysis::{closure#2}> [INFO] [stderr] 28: 0x7f74afb93675 - rustc_interface[f89f8228a4e35bc7]::passes::analysis [INFO] [stderr] 29: 0x7f74b002d775 - rustc_query_system[efb192c4209e4e11]::query::plumbing::try_execute_query::>> [INFO] [stderr] 30: 0x7f74b0096275 - rustc_query_system[efb192c4209e4e11]::query::plumbing::get_query:: [INFO] [stderr] 31: 0x7f74afb8ae89 - ::enter::> [INFO] [stderr] 32: 0x7f74afb785f4 - ::enter::, rustc_errors[c8a333c965fedc03]::ErrorReported>> [INFO] [stderr] 33: 0x7f74afb68b2d - rustc_span[2d5555579096f1fe]::with_source_map::, rustc_interface[f89f8228a4e35bc7]::interface::create_compiler_and_run, rustc_driver[e620c7401644acc4]::run_compiler::{closure#1}>::{closure#1}> [INFO] [stderr] 34: 0x7f74afb89eca - rustc_interface[f89f8228a4e35bc7]::interface::create_compiler_and_run::, rustc_driver[e620c7401644acc4]::run_compiler::{closure#1}> [INFO] [stderr] 35: 0x7f74afb6c0eb - >::set::, rustc_driver[e620c7401644acc4]::run_compiler::{closure#1}>::{closure#0}, core[cc79c391059f8e46]::result::Result<(), rustc_errors[c8a333c965fedc03]::ErrorReported>>::{closure#0}::{closure#0}, core[cc79c391059f8e46]::result::Result<(), rustc_errors[c8a333c965fedc03]::ErrorReported>> [INFO] [stderr] 36: 0x7f74afb6b1c5 - std[a3bc703e0d1c3409]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver[e620c7401644acc4]::run_compiler::{closure#1}>::{closure#0}, core[cc79c391059f8e46]::result::Result<(), rustc_errors[c8a333c965fedc03]::ErrorReported>>::{closure#0}, core[cc79c391059f8e46]::result::Result<(), rustc_errors[c8a333c965fedc03]::ErrorReported>> [INFO] [stderr] 37: 0x7f74afb8b46a - <::spawn_unchecked, rustc_driver[e620c7401644acc4]::run_compiler::{closure#1}>::{closure#0}, core[cc79c391059f8e46]::result::Result<(), rustc_errors[c8a333c965fedc03]::ErrorReported>>::{closure#0}, core[cc79c391059f8e46]::result::Result<(), rustc_errors[c8a333c965fedc03]::ErrorReported>>::{closure#1} as core[cc79c391059f8e46]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 38: 0x7f74ad567ea3 - as core::ops::function::FnOnce>::call_once::he162a5c338a10a39 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/alloc/src/boxed.rs:1694:9 [INFO] [stderr] 39: 0x7f74ad567ea3 - as core::ops::function::FnOnce>::call_once::hb27497b21740dd97 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/alloc/src/boxed.rs:1694:9 [INFO] [stderr] 40: 0x7f74ad567ea3 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136 [INFO] [stderr] at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stderr] 41: 0x7f74ad47f609 - start_thread [INFO] [stderr] 42: 0x7f74ad393293 - clone [INFO] [stderr] 43: 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 1.58.0-nightly (cac44d952 2021-11-22) 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] #0 [mir_borrowck] borrow-checking `main` [INFO] [stderr] #1 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c5a1d0a57cf0df3e801de2a83d889a102cf2a849cda8bfe36a4625bb9ced4524", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5a1d0a57cf0df3e801de2a83d889a102cf2a849cda8bfe36a4625bb9ced4524", kill_on_drop: false }` [INFO] [stdout] c5a1d0a57cf0df3e801de2a83d889a102cf2a849cda8bfe36a4625bb9ced4524