[INFO] fetching crate art-tree 0.2.0... [INFO] checking art-tree-0.2.0 against try#c3491e21996dc67a8e37d9e5e74ed156563e9854 for pr-101345 [INFO] extracting crate art-tree 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate art-tree 0.2.0 on toolchain c3491e21996dc67a8e37d9e5e74ed156563e9854 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate art-tree 0.2.0 [INFO] finished tweaking crates.io crate art-tree 0.2.0 [INFO] tweaked toml for crates.io crate art-tree 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d796e6b060e93ad465dadf9ae6c1e4329f1875a4f0660ee2cacc76185e44aeb7 [INFO] running `Command { std: "docker" "start" "-a" "d796e6b060e93ad465dadf9ae6c1e4329f1875a4f0660ee2cacc76185e44aeb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d796e6b060e93ad465dadf9ae6c1e4329f1875a4f0660ee2cacc76185e44aeb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d796e6b060e93ad465dadf9ae6c1e4329f1875a4f0660ee2cacc76185e44aeb7", kill_on_drop: false }` [INFO] [stdout] d796e6b060e93ad465dadf9ae6c1e4329f1875a4f0660ee2cacc76185e44aeb7 [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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5f275992411e5fd1cc8a8bc8eae93a575317638e2d2f3598ef64381b6c9354f [INFO] running `Command { std: "docker" "start" "-a" "c5f275992411e5fd1cc8a8bc8eae93a575317638e2d2f3598ef64381b6c9354f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking art-tree v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/node.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 241 | return Some(val); [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 244 | / for i in 0..self.keys.len() { [INFO] [stdout] 245 | | // find key which uses last cell inside values array [INFO] [stdout] 246 | | if self.keys[i] == self.len as u8 { [INFO] [stdout] 247 | | // move value of key which points to last array cell [INFO] [stdout] ... | [INFO] [stdout] 252 | | } [INFO] [stdout] 253 | | } [INFO] [stdout] | |_________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking plotters-svg v0.3.3 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:1499:13 [INFO] [stdout] error: internal compiler error: no errors encountered even though `delay_span_bug` issued [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stdout] error: internal compiler error: unexpected const parent in type_of(): Ty(Ty { hir_id: HirId { owner: DefId(0:139 ~ art_tree[2457]::node::{impl#2}::iter), local_id: 98 }, kind: OpaqueDef(ItemId { def_id: DefId(0:140 ~ art_tree[2457]::node::{impl#2}::iter::{opaque#0}) }, [Lifetime(Lifetime { hir_id: HirId { owner: DefId(0:139 ~ art_tree[2457]::node::{impl#2}::iter), local_id: 94 }, span: src/node.rs:168:55: 168:57 (#0), name: Param(DefId(0:523 ~ art_tree[2457]::node::{impl#2}::iter::'_), Fresh) }), Type(Ty { hir_id: HirId { owner: DefId(0:139 ~ art_tree[2457]::node::{impl#2}::iter), local_id: 95 }, kind: Path(Resolved(None, Path { span: src/node.rs:93:6: 93:7 (#0), res: Def(TyParam, DefId(0:129 ~ art_tree[2457]::node::{impl#2}::V)), segments: [PathSegment { ident: V#0, hir_id: None, res: None, args: None, infer_args: true }] })), span: src/node.rs:93:6: 93:7 (#0) }), Const(ConstArg { value: AnonConst { hir_id: HirId { owner: DefId(0:139 ~ art_tree[2457]::node::{impl#2}::iter), local_id: 96 }, body: BodyId { hir_id: HirId { owner: DefId(0:139 ~ art_tree[2457]::node::{impl#2}::iter), local_id: 97 } } }, span: src/node.rs:93:9: 93:23 (#0) })]), span: src/node.rs:168:23: 168:58 (#0) }) [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_typeck/src/collect/type_of.rs:479:23 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x7f0e9969b340 - std::backtrace_rs::backtrace::libunwind::trace::h6176bf60b78d74d6 [INFO] [stdout] error: internal compiler error: TyKind::Error constructed but no error reported [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_typeck/src/check/coercion.rs:176:49 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] error: internal compiler error: `InferCtxt` incorrectly tainted by errors [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_infer/src/infer/mod.rs:1265:27 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 1: 0x7f0e9969b340 - std::backtrace_rs::backtrace::trace_unsynchronized::h5d22932bd33ba306 [INFO] [stdout] error: internal compiler error: TyKind::Error constructed but no error reported [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_mir_build/src/build/mod.rs:759:18 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] error: internal compiler error: mir_const_qualif: MIR had errors [INFO] [stdout] --> src/node.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | impl FlatNode { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_mir_transform/src/lib.rs:190:18 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 2: 0x7f0e9969b340 - std::sys_common::backtrace::_print_fmt::h91ed71259c388db3 [INFO] [stdout] error: internal compiler error: PromoteTemps: MIR had errors [INFO] [stdout] --> src/node.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | impl FlatNode { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_const_eval/src/transform/promote_consts.rs:52:22 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] error: internal compiler error: broken MIR in DefId(0:527 ~ art_tree[2457]::node::{impl#2}::iter::{constant#0}) ("return type"): bad type [type error] [INFO] [stdout] --> src/node.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | impl FlatNode { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:510:13 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 3: 0x7f0e9969b340 - ::fmt::hde15bb8cbf7665da [INFO] [stdout] error: internal compiler error: TyKind::Error constructed but no error reported [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:765:20 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] error: internal compiler error: broken MIR in DefId(0:527 ~ art_tree[2457]::node::{impl#2}::iter::{constant#0}) (LocalDecl { mutability: Mut, local_info: None, internal: false, is_block_tail: None, ty: [type error], user_ty: None, source_info: SourceInfo { span: src/node.rs:93:9: 93:23 (#0), scope: scope[0] } }): bad type [type error] [INFO] [stdout] --> src/node.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | impl FlatNode { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:510:13 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 4: 0x7f0e996f60fe - core::fmt::write::h9761a5598d7cc269 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/fmt/mod.rs:1202:17 [INFO] [stderr] 5: 0x7f0e9968bd15 - std::io::Write::write_fmt::h26becaaa3f318825 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/io/mod.rs:1679:15 [INFO] [stderr] 6: 0x7f0e9969dfd3 - std::sys_common::backtrace::_print::hc10fefd61e366dd2 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x7f0e9969dfd3 - std::sys_common::backtrace::print::hd8c846072a354bbf [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x7f0e9969dfd3 - std::panicking::default_hook::{{closure}}::haa135eeb0555cd8c [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x7f0e9969dcbf - std::panicking::default_hook::h962e5f45e4e85804 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x7f0e9bf36244 - rustc_driver[37844947c1c4e730]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f0e9969e80d - std::panicking::rust_panic_with_hook::h26097f8ccbe406f2 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:702:17 [INFO] [stderr] 12: 0x7f0e9d025f41 - std[17c996d5f6362125]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 13: 0x7f0e9d025a76 - std[17c996d5f6362125]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 14: 0x7f0e9d025736 - std[17c996d5f6362125]::panicking::begin_panic:: [INFO] [stderr] 15: 0x7f0e9d027fd6 - std[17c996d5f6362125]::panic::panic_any:: [INFO] [stderr] 16: 0x7f0e9b9fcef8 - ::drop [INFO] [stderr] 17: 0x7f0e9ad67198 - core[fae64f17691dff84]::ptr::drop_in_place:: [INFO] [stderr] 18: 0x7f0e9ad58aa8 - as core[fae64f17691dff84]::ops::drop::Drop>::drop [INFO] [stderr] 19: 0x7f0e9ad57e5d - core[fae64f17691dff84]::ptr::drop_in_place:: [INFO] [stderr] 20: 0x7f0e9ad575d9 - rustc_span[b6ed302232182e4]::with_source_map::, rustc_interface[5b9d04fc58ee7720]::interface::create_compiler_and_run, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#1}> [INFO] [stderr] 21: 0x7f0e9ad56e12 - rustc_interface[5b9d04fc58ee7720]::interface::create_compiler_and_run::, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}> [INFO] [stderr] 22: 0x7f0e9ad55a61 - >::set::, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>> [INFO] [stderr] 23: 0x7f0e9ad5574f - std[17c996d5f6362125]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>> [INFO] [stderr] 24: 0x7f0e9bd54629 - <::spawn_unchecked_, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#1} as core[fae64f17691dff84]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 25: 0x7f0e996a8663 - as core::ops::function::FnOnce>::call_once::hbcba3d5baddb20d1 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9 [INFO] [stderr] 26: 0x7f0e996a8663 - as core::ops::function::FnOnce>::call_once::hcb40027853eebed4 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9 [INFO] [stderr] 27: 0x7f0e996a8663 - std::sys::unix::thread::Thread::new::thread_start::habdd10d71164d0ca [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stderr] 28: 0x7f0e99558609 - start_thread [INFO] [stderr] 29: 0x7f0e9947b133 - clone [INFO] [stderr] 30: 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 1.65.0-nightly (c3491e219 2022-09-03) 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] end of query stack [INFO] [stderr] error: could not compile `art-tree`; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c5f275992411e5fd1cc8a8bc8eae93a575317638e2d2f3598ef64381b6c9354f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5f275992411e5fd1cc8a8bc8eae93a575317638e2d2f3598ef64381b6c9354f", kill_on_drop: false }` [INFO] [stdout] c5f275992411e5fd1cc8a8bc8eae93a575317638e2d2f3598ef64381b6c9354f