[INFO] fetching crate esp-01 0.1.1... [INFO] testing esp-01-0.1.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate esp-01 0.1.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate esp-01 0.1.1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate esp-01 0.1.1 [INFO] finished tweaking crates.io crate esp-01 0.1.1 [INFO] tweaked toml for crates.io crate esp-01 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b967616d70844db3c0b68321e43936394798f4e5de4fb6c2e060380fe0aed6a3 [INFO] running `Command { std: "docker" "start" "-a" "b967616d70844db3c0b68321e43936394798f4e5de4fb6c2e060380fe0aed6a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b967616d70844db3c0b68321e43936394798f4e5de4fb6c2e060380fe0aed6a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b967616d70844db3c0b68321e43936394798f4e5de4fb6c2e060380fe0aed6a3", kill_on_drop: false }` [INFO] [stdout] b967616d70844db3c0b68321e43936394798f4e5de4fb6c2e060380fe0aed6a3 [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 757d7b08f300841b26b239cce8081204fbcd30fa8085ba0a05e7bec1effec7eb [INFO] running `Command { std: "docker" "start" "-a" "757d7b08f300841b26b239cce8081204fbcd30fa8085ba0a05e7bec1effec7eb", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling esp-01 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `step` [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | step: TransmissionStep, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cause` [INFO] [stdout] --> src/lib.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | cause: Error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.93s [INFO] running `Command { std: "docker" "inspect" "757d7b08f300841b26b239cce8081204fbcd30fa8085ba0a05e7bec1effec7eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "757d7b08f300841b26b239cce8081204fbcd30fa8085ba0a05e7bec1effec7eb", kill_on_drop: false }` [INFO] [stdout] 757d7b08f300841b26b239cce8081204fbcd30fa8085ba0a05e7bec1effec7eb [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 093f6e1c642c345cafed0515d8708227d50a3fca0e8b3c63310e5bfbaa8e9692 [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" "093f6e1c642c345cafed0515d8708227d50a3fca0e8b3c63310e5bfbaa8e9692", kill_on_drop: false }` [INFO] [stderr] Compiling esp-01 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `step` [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | step: TransmissionStep, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cause` [INFO] [stdout] --> src/lib.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | cause: Error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `step` [INFO] [stdout] --> src/lib.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | step: TransmissionStep, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cause` [INFO] [stdout] --> src/lib.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | cause: Error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/esp_01-85ee318ae06e05d7) [INFO] running `Command { std: "docker" "inspect" "093f6e1c642c345cafed0515d8708227d50a3fca0e8b3c63310e5bfbaa8e9692", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "093f6e1c642c345cafed0515d8708227d50a3fca0e8b3c63310e5bfbaa8e9692", kill_on_drop: false }` [INFO] [stdout] 093f6e1c642c345cafed0515d8708227d50a3fca0e8b3c63310e5bfbaa8e9692 [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ec5b1485d0802af1d37a8435e0a83cdb5c0081ad461947ffd8d608a2a6740581 [INFO] running `Command { std: "docker" "start" "-a" "ec5b1485d0802af1d37a8435e0a83cdb5c0081ad461947ffd8d608a2a6740581", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `step` [INFO] [stderr] --> src/lib.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | step: TransmissionStep, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:82:10 [INFO] [stderr] | [INFO] [stderr] 82 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cause` [INFO] [stderr] --> src/lib.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | cause: Error [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `TransmissionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:82:10 [INFO] [stderr] | [INFO] [stderr] 82 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `esp-01` (lib) generated 2 warnings [INFO] [stderr] warning: `esp-01` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/esp_01-85ee318ae06e05d7) [INFO] [stdout] [INFO] [stderr] Doc-tests esp-01 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', compiler/rustc_ast/src/util/comments.rs:55:28 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f5efaace1dd - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x7f5efaace1dd - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f5efaace1dd - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x7f5efaace1dd - ::fmt::h26f189e611080a74 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x7f5efab2802c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stderr] 5: 0x7f5efaabf7d1 - std::io::Write::write_fmt::ha30651f608022a46 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stderr] 6: 0x7f5efaad12c5 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x7f5efaad12c5 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x7f5efaad12c5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x7f5efaad0f79 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x7f5efb24e781 - rustc_driver[d0cb999f032f1a12]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f5efaad1a10 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:702:17 [INFO] [stderr] 12: 0x7f5efaad1847 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stderr] 13: 0x7f5efaace694 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 14: 0x7f5efaad1579 - rust_begin_unwind [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stderr] 15: 0x7f5efaa956c3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stderr] 16: 0x7f5efaa95602 - core::panicking::panic_bounds_check::h9d07f4c185f11f52 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:84:5 [INFO] [stderr] 17: 0x7f5efc3fe2e1 - rustc_ast[b6ea2c37b24e87c]::util::comments::beautify_doc_string [INFO] [stderr] 18: 0x56495a848431 - <&mut ::from_ast::{closure#0} as core[64780a63ad7d29b4]::ops::function::FnMut<((&rustc_ast[b6ea2c37b24e87c]::ast::Attribute, core[64780a63ad7d29b4]::option::Option),)>>::call_mut [INFO] [stderr] 19: 0x56495a830faa - , core[64780a63ad7d29b4]::iter::adapters::map::Map, ::from_ast::{closure#1}::{closure#0}>, ::from_ast::{closure#1}>, core[64780a63ad7d29b4]::iter::adapters::map::Map, ::from_ast::{closure#2}>> as core[64780a63ad7d29b4]::iter::traits::iterator::Iterator>::try_fold::<(), core[64780a63ad7d29b4]::iter::traits::iterator::Iterator::find_map::check<(&rustc_ast[b6ea2c37b24e87c]::ast::Attribute, core[64780a63ad7d29b4]::option::Option), rustc_ast[b6ea2c37b24e87c]::ast::Attribute, &mut ::from_ast::{closure#0}>::{closure#0}, core[64780a63ad7d29b4]::ops::control_flow::ControlFlow> [INFO] [stderr] 20: 0x56495a7ef3d3 - as alloc[73f0e8f80e4c3e47]::vec::spec_from_iter::SpecFromIter, core[64780a63ad7d29b4]::iter::adapters::map::Map, ::from_ast::{closure#1}::{closure#0}>, ::from_ast::{closure#1}>, core[64780a63ad7d29b4]::iter::adapters::map::Map, ::from_ast::{closure#2}>>, ::from_ast::{closure#0}>>>::from_iter [INFO] [stderr] 21: 0x56495a89d9a2 - ::visit_item [INFO] [stderr] 22: 0x56495a942c0d - rustc_hir[86c9a100e9b1ef51]::intravisit::walk_item:: [INFO] [stderr] 23: 0x56495a89deb1 - ::visit_item [INFO] [stderr] 24: 0x56495a89d5fe - ::visit_testable:: [INFO] [stderr] 25: 0x56495a9bb702 - ::enter:: [INFO] [stderr] 26: 0x56495a8e21ef - rustc_interface[a581cf23cd3c7055]::interface::create_compiler_and_run::, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>, rustdoc[9af0ba42a76dfc0e]::doctest::run::{closure#1}> [INFO] [stderr] 27: 0x56495a744c40 - >::set::, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>, rustdoc[9af0ba42a76dfc0e]::doctest::run::{closure#1}>::{closure#0}, core[64780a63ad7d29b4]::result::Result<(alloc[73f0e8f80e4c3e47]::vec::Vec, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>> [INFO] [stderr] 28: 0x56495a88ebcc - std[b651bbff91fc1b1a]::sys_common::backtrace::__rust_begin_short_backtrace::, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>, rustdoc[9af0ba42a76dfc0e]::doctest::run::{closure#1}>::{closure#0}, core[64780a63ad7d29b4]::result::Result<(alloc[73f0e8f80e4c3e47]::vec::Vec, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>>::{closure#0}, core[64780a63ad7d29b4]::result::Result<(alloc[73f0e8f80e4c3e47]::vec::Vec, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>> [INFO] [stderr] 29: 0x56495a97dcc7 - <::spawn_unchecked_, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>, rustdoc[9af0ba42a76dfc0e]::doctest::run::{closure#1}>::{closure#0}, core[64780a63ad7d29b4]::result::Result<(alloc[73f0e8f80e4c3e47]::vec::Vec, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>>::{closure#0}, core[64780a63ad7d29b4]::result::Result<(alloc[73f0e8f80e4c3e47]::vec::Vec, alloc[73f0e8f80e4c3e47]::sync::Arc>>, usize), rustc_errors[900f67ab7763faa3]::ErrorGuaranteed>>::{closure#1} as core[64780a63ad7d29b4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 30: 0x7f5efaadbc03 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stderr] 31: 0x7f5efaadbc03 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stderr] 32: 0x7f5efaadbc03 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stderr] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stderr] 33: 0x7f5efa9ee609 - start_thread [INFO] [stderr] 34: 0x7f5efa797163 - clone [INFO] [stderr] 35: 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 1.61.0-beta.2 (7c13df853 2022-04-09) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "ec5b1485d0802af1d37a8435e0a83cdb5c0081ad461947ffd8d608a2a6740581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec5b1485d0802af1d37a8435e0a83cdb5c0081ad461947ffd8d608a2a6740581", kill_on_drop: false }` [INFO] [stdout] ec5b1485d0802af1d37a8435e0a83cdb5c0081ad461947ffd8d608a2a6740581