[INFO] cloning repository https://github.com/xJonathanLEI/ark-ff-inverse-issue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xJonathanLEI/ark-ff-inverse-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxJonathanLEI%2Fark-ff-inverse-issue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxJonathanLEI%2Fark-ff-inverse-issue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 175bf6bb67a6b53addfc4b4adfcad1905260516f [INFO] checking xJonathanLEI/ark-ff-inverse-issue against try#c3491e21996dc67a8e37d9e5e74ed156563e9854 for pr-101345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxJonathanLEI%2Fark-ff-inverse-issue" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xJonathanLEI/ark-ff-inverse-issue 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 git repo https://github.com/xJonathanLEI/ark-ff-inverse-issue [INFO] finished tweaking git repo https://github.com/xJonathanLEI/ark-ff-inverse-issue [INFO] tweaked toml for git repo https://github.com/xJonathanLEI/ark-ff-inverse-issue written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/xJonathanLEI/ark-ff-inverse-issue already has a lockfile, it will not be regenerated [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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 208ab269c71b221095235502fda2052a8dd544faf6c77a8afed284f3e71fed59 [INFO] running `Command { std: "docker" "start" "-a" "208ab269c71b221095235502fda2052a8dd544faf6c77a8afed284f3e71fed59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "208ab269c71b221095235502fda2052a8dd544faf6c77a8afed284f3e71fed59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "208ab269c71b221095235502fda2052a8dd544faf6c77a8afed284f3e71fed59", kill_on_drop: false }` [INFO] [stdout] 208ab269c71b221095235502fda2052a8dd544faf6c77a8afed284f3e71fed59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b759dbf449c99ee72d2710a17bc41d6d4dc0a3fe16e697bd1960ef59c3893b3b [INFO] running `Command { std: "docker" "start" "-a" "b759dbf449c99ee72d2710a17bc41d6d4dc0a3fe16e697bd1960ef59c3893b3b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling semver v1.0.5 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling ark-ff v0.3.0 (https://github.com/arkworks-rs/algebra#12fdeb06) [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking ark-std v0.3.0 [INFO] [stderr] Checking crypto-common v0.1.1 [INFO] [stderr] Checking digest v0.10.1 [INFO] [stderr] Checking ark-serialize v0.3.0 (https://github.com/arkworks-rs/algebra#12fdeb06) [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling zeroize_derive v1.3.1 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling ark-ff-asm v0.3.0 (https://github.com/arkworks-rs/algebra#12fdeb06) [INFO] [stderr] Compiling ark-ff-macros v0.3.0 (https://github.com/arkworks-rs/algebra#12fdeb06) [INFO] [stderr] Checking zeroize v1.5.2 [INFO] [stdout] error: internal compiler error: no errors encountered even though `delay_span_bug` issued [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: unexpected const parent in type_of(): Ty(Ty { hir_id: HirId { owner: DefId(0:2144 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut), local_id: 33 }, kind: OpaqueDef(ItemId { def_id: DefId(0:2145 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut::{opaque#0}) }, [Lifetime(Lifetime { hir_id: HirId { owner: DefId(0:2144 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut), local_id: 30 }, span: /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:130:78: 130:85 (#0), name: Param(DefId(0:3309 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut::'_), Fresh) }), Const(ConstArg { value: AnonConst { hir_id: HirId { owner: DefId(0:2144 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut), local_id: 31 }, body: BodyId { hir_id: HirId { owner: DefId(0:2144 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut), local_id: 32 } } }, span: /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:94:6: 94:20 (#0) })]), span: /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:130:57: 130:86 (#0) }) [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_typeck/src/collect/type_of.rs:479:23 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [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] [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] [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] [stdout] error: internal compiler error: mir_const_qualif: MIR had errors [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | impl SerBuffer { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_mir_transform/src/lib.rs:190:18 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: internal compiler error: PromoteTemps: MIR had errors [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | impl SerBuffer { [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] [stdout] error: internal compiler error: broken MIR in DefId(0:3312 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut::{constant#0}) ("return type"): bad type [type error] [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | impl SerBuffer { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:510:13 [INFO] [stdout] [INFO] [stdout] [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] [stdout] error: internal compiler error: broken MIR in DefId(0:3312 ~ ark_ff[99ce]::const_helpers::{impl#3}::last_n_plus_1_bytes_mut::{constant#0}) (LocalDecl { mutability: Mut, local_info: None, internal: false, is_block_tail: None, ty: [type error], user_ty: None, source_info: SourceInfo { span: /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:94:6: 94:20 (#0), scope: scope[0] } }): bad type [type error] [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/algebra-7e23afa68841b66e/12fdeb0/ff/src/const_helpers.rs:94:6 [INFO] [stdout] | [INFO] [stdout] 94 | impl SerBuffer { [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] 0: 0x7f7aaf527340 - std::backtrace_rs::backtrace::libunwind::trace::h6176bf60b78d74d6 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x7f7aaf527340 - std::backtrace_rs::backtrace::trace_unsynchronized::h5d22932bd33ba306 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f7aaf527340 - std::sys_common::backtrace::_print_fmt::h91ed71259c388db3 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x7f7aaf527340 - ::fmt::hde15bb8cbf7665da [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x7f7aaf5820fe - core::fmt::write::h9761a5598d7cc269 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/fmt/mod.rs:1202:17 [INFO] [stderr] 5: 0x7f7aaf517d15 - std::io::Write::write_fmt::h26becaaa3f318825 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/io/mod.rs:1679:15 [INFO] [stderr] 6: 0x7f7aaf529fd3 - std::sys_common::backtrace::_print::hc10fefd61e366dd2 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x7f7aaf529fd3 - std::sys_common::backtrace::print::hd8c846072a354bbf [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x7f7aaf529fd3 - std::panicking::default_hook::{{closure}}::haa135eeb0555cd8c [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x7f7aaf529cbf - std::panicking::default_hook::h962e5f45e4e85804 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x7f7ab1dc2244 - rustc_driver[37844947c1c4e730]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f7aaf52a80d - std::panicking::rust_panic_with_hook::h26097f8ccbe406f2 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:702:17 [INFO] [stderr] 12: 0x7f7ab2eb1f41 - std[17c996d5f6362125]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 13: 0x7f7ab2eb1a76 - std[17c996d5f6362125]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 14: 0x7f7ab2eb1736 - std[17c996d5f6362125]::panicking::begin_panic:: [INFO] [stderr] 15: 0x7f7ab2eb3fd6 - std[17c996d5f6362125]::panic::panic_any:: [INFO] [stderr] 16: 0x7f7ab1888ef8 - ::drop [INFO] [stderr] 17: 0x7f7ab0bf3198 - core[fae64f17691dff84]::ptr::drop_in_place:: [INFO] [stderr] 18: 0x7f7ab0be4aa8 - as core[fae64f17691dff84]::ops::drop::Drop>::drop [INFO] [stderr] 19: 0x7f7ab0be3e5d - core[fae64f17691dff84]::ptr::drop_in_place:: [INFO] [stderr] 20: 0x7f7ab0be35d9 - 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: 0x7f7ab0be2e12 - rustc_interface[5b9d04fc58ee7720]::interface::create_compiler_and_run::, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}> [INFO] [stderr] 22: 0x7f7ab0be1a61 - >::set::, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>> [INFO] [stderr] 23: 0x7f7ab0be174f - 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: 0x7f7ab1be0629 - <::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: 0x7f7aaf534663 - as core::ops::function::FnOnce>::call_once::hbcba3d5baddb20d1 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9 [INFO] [stderr] 26: 0x7f7aaf534663 - as core::ops::function::FnOnce>::call_once::hcb40027853eebed4 [INFO] [stderr] at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9 [INFO] [stderr] 27: 0x7f7aaf534663 - 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: 0x7f7aaf3e4609 - start_thread [INFO] [stderr] 29: 0x7f7aaf307133 - 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 `ark-ff` [INFO] running `Command { std: "docker" "inspect" "b759dbf449c99ee72d2710a17bc41d6d4dc0a3fe16e697bd1960ef59c3893b3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b759dbf449c99ee72d2710a17bc41d6d4dc0a3fe16e697bd1960ef59c3893b3b", kill_on_drop: false }` [INFO] [stdout] b759dbf449c99ee72d2710a17bc41d6d4dc0a3fe16e697bd1960ef59c3893b3b