[INFO] fetching crate fera-array 0.1.0...
[INFO] testing fera-array-0.1.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] extracting crate fera-array 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fera-array 0.1.0
[INFO] finished tweaking crates.io crate fera-array 0.1.0
[INFO] tweaked toml for crates.io crate fera-array 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fera-array 0.1.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding version-sync v0.5.0 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5fb4c28effb8a4ce5504283c3b2c1aebc4752593ef798dbc3af296250340e02
[INFO] running `Command { std: "docker" "start" "-a" "d5fb4c28effb8a4ce5504283c3b2c1aebc4752593ef798dbc3af296250340e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5fb4c28effb8a4ce5504283c3b2c1aebc4752593ef798dbc3af296250340e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fb4c28effb8a4ce5504283c3b2c1aebc4752593ef798dbc3af296250340e02", kill_on_drop: false }`
[INFO] [stdout] d5fb4c28effb8a4ce5504283c3b2c1aebc4752593ef798dbc3af296250340e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b1dd35f49aac2bbf0626c8e55c2e4be726dd9868159a211d576353540e23287
[INFO] running `Command { std: "docker" "start" "-a" "2b1dd35f49aac2bbf0626c8e55c2e4be726dd9868159a211d576353540e23287", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling fera-fun v0.1.0
[INFO] [stderr]    Compiling fera-array v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `delegate_benchs`
[INFO] [stdout]   --> src/lib.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | macro_rules! delegate_benchs {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter(&self) -> Iter<T, Self>
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter(&self) -> Iter<'_, T, Self>
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "2b1dd35f49aac2bbf0626c8e55c2e4be726dd9868159a211d576353540e23287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1dd35f49aac2bbf0626c8e55c2e4be726dd9868159a211d576353540e23287", kill_on_drop: false }`
[INFO] [stdout] 2b1dd35f49aac2bbf0626c8e55c2e4be726dd9868159a211d576353540e23287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a83028a756127d04357c7ecff60ba124dc36926c3e9ca2e99518fd981a628ee5
[INFO] running `Command { std: "docker" "start" "-a" "a83028a756127d04357c7ecff60ba124dc36926c3e9ca2e99518fd981a628ee5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling fera-array v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stdout] warning: unused macro definition: `delegate_benchs`
[INFO] [stdout]   --> src/lib.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | macro_rules! delegate_benchs {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter(&self) -> Iter<T, Self>
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter(&self) -> Iter<'_, T, Self>
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter(&self) -> Iter<T, Self>
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter(&self) -> Iter<'_, T, Self>
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "a83028a756127d04357c7ecff60ba124dc36926c3e9ca2e99518fd981a628ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83028a756127d04357c7ecff60ba124dc36926c3e9ca2e99518fd981a628ee5", kill_on_drop: false }`
[INFO] [stdout] a83028a756127d04357c7ecff60ba124dc36926c3e9ca2e99518fd981a628ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81453f1692530e88946ec92210c7f39fed4df648eaa07b1a2d1fe3f615ca8421
[INFO] running `Command { std: "docker" "start" "-a" "81453f1692530e88946ec92210c7f39fed4df648eaa07b1a2d1fe3f615ca8421", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused macro definition: `delegate_benchs`
[INFO] [stderr]   --> src/lib.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 | macro_rules! delegate_benchs {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/array.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn iter(&self) -> Iter<T, Self>
[INFO] [stderr]    |             ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn iter(&self) -> Iter<'_, T, Self>
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `fera-array` (lib) generated 2 warnings (run `cargo fix --lib -p fera-array` to apply 1 suggestion)
[INFO] [stderr] warning: `fera-array` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fera_array-d9bd1aec46a59fa7)
[INFO] [stdout] 
[INFO] [stdout] running 73 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'cow::tests::basic_001k' (18) panicked at src/rc.rs:212:25:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5df7ab446d7a - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5df7ab446d7a - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec4e911328de40a6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5df7ab446d7a - std[ec4e911328de40a6]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5df7ab446d7a - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x5df7ab45ab0a - <core[a96a4c5c53f902a3]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x5df7ab45ab0a - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stderr]    6:     0x5df7ab44c202 - std[ec4e911328de40a6]::io::default_write_fmt::<std[ec4e911328de40a6]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5df7ab44c202 - <std[ec4e911328de40a6]::sys::stdio::unix::Stderr as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x5df7ab425f9f - <std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5df7ab425f9f - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5df7ab43f301 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5df7ab3da93c - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   12:     0x5df7ab3da93c - test[30c43f9fd66fea90]::test_main_with_exit_callback::<test[30c43f9fd66fea90]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5df7ab43f4f2 - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   14:     0x5df7ab43f4f2 - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x5df7ab42608a - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x5df7ab41d9c9 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x5df7ab426d6d - __rustc[aa69f48705c57ca8]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x5df7ab45b0ad - core[a96a4c5c53f902a3]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5df7ab45b0ad - core[a96a4c5c53f902a3]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/intrinsics/mod.rs:2447:9
[INFO] [stderr]   20:     0x5df7ab3b9f44 - <usize as core[a96a4c5c53f902a3]::slice::index::SliceIndex<[_]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5df7ab3ba409 - <usize as core[a96a4c5c53f902a3]::slice::index::SliceIndex<[usize]>>::get_unchecked_mut
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x5df7ab3b44f8 - <[usize]>::get_unchecked_mut::<usize>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/slice/mod.rs:691:30
[INFO] [stderr]   23:     0x5df7ab3bac1d - <fera_array[fb1e7925ff67f938]::rc::RcArray<usize> as fera_array[fb1e7925ff67f938]::array::Array<usize>>::get_unchecked_mut
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rc.rs:212:25
[INFO] [stderr]   24:     0x5df7ab3bb642 - <fera_array[fb1e7925ff67f938]::rc::RcArray<usize> as fera_array[fb1e7925ff67f938]::array::DynamicArray<usize>>::push_unchecked
[INFO] [stderr]                                at /opt/rustwide/workdir/src/array.rs:127:25
[INFO] [stderr]   25:     0x5df7ab3bb7c1 - <fera_array[fb1e7925ff67f938]::rc::RcArray<usize> as fera_array[fb1e7925ff67f938]::array::DynamicArray<usize>>::extend_with_element
[INFO] [stderr]                                at /opt/rustwide/workdir/src/array.rs:191:22
[INFO] [stderr]   26:     0x5df7ab3bab67 - <fera_array[fb1e7925ff67f938]::rc::RcArray<usize> as fera_array[fb1e7925ff67f938]::array::Array<usize>>::with_value
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rc.rs:186:11
[INFO] [stderr]   27:     0x5df7ab3ace9b - <fera_array[fb1e7925ff67f938]::nested::NestedArray<usize, fera_array[fb1e7925ff67f938]::nested::BalancedShiftSplit, fera_array[fb1e7925ff67f938]::rc::RcArray<fera_array[fb1e7925ff67f938]::rc::RcArray<usize>>, fera_array[fb1e7925ff67f938]::rc::RcArray<usize>> as fera_array[fb1e7925ff67f938]::array::Array<usize>>::with_value
[INFO] [stderr]                                at /opt/rustwide/workdir/src/nested.rs:95:31
[INFO] [stderr]   28:     0x5df7ab3c48e0 - <fera_array[fb1e7925ff67f938]::cow::tests::T as fera_array[fb1e7925ff67f938]::array::ArrayTests>::basic
[INFO] [stderr]                                at /opt/rustwide/workdir/src/array.rs:277:26
[INFO] [stderr]   29:     0x5df7ab3c481b - <fera_array[fb1e7925ff67f938]::cow::tests::T as fera_array[fb1e7925ff67f938]::array::ArrayTests>::basic_001k
[INFO] [stderr]                                at /opt/rustwide/workdir/src/array.rs:254:9
[INFO] [stderr]   30:     0x5df7ab3c0f76 - fera_array[fb1e7925ff67f938]::cow::tests::basic_001k
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:21:17
[INFO] [stderr]   31:     0x5df7ab3bf0b7 - fera_array[fb1e7925ff67f938]::cow::tests::basic_001k::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:20:24
[INFO] [stderr]   32:     0x5df7ab3bbce6 - <fera_array[fb1e7925ff67f938]::cow::tests::basic_001k::{closure#0} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   33:     0x5df7ab3cea1b - <fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   34:     0x5df7ab3cea1b - test[30c43f9fd66fea90]::__rust_begin_short_backtrace::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:663:18
[INFO] [stderr]   35:     0x5df7ab3db40b - test[30c43f9fd66fea90]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:74
[INFO] [stderr]   36:     0x5df7ab3db40b - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   37:     0x5df7ab3db40b - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   38:     0x5df7ab3db40b - std[ec4e911328de40a6]::panicking::catch_unwind::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   39:     0x5df7ab3db40b - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stderr]   40:     0x5df7ab3db40b - test[30c43f9fd66fea90]::run_test_in_process
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:27
[INFO] [stderr]   41:     0x5df7ab3db40b - test[30c43f9fd66fea90]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:607:43
[INFO] [stderr]   42:     0x5df7ab3d6b24 - test[30c43f9fd66fea90]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:637:41
[INFO] [stderr]   43:     0x5df7ab3d6b24 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   44:     0x5df7ab3de012 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   45:     0x5df7ab3de012 - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   46:     0x5df7ab3de012 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   47:     0x5df7ab3de012 - std[ec4e911328de40a6]::panicking::catch_unwind::<(), core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   48:     0x5df7ab3de012 - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stderr]   49:     0x5df7ab3de012 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   50:     0x5df7ab3de012 - <std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   51:     0x5df7ab44668f - <alloc[c960326de6de28e6]::boxed::Box<dyn core[a96a4c5c53f902a3]::ops::function::FnOnce<(), Output = ()> + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2240:9
[INFO] [stderr]   52:     0x5df7ab44668f - <std[ec4e911328de40a6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr]   53:     0x7ab940d1faa4 - <unknown>
[INFO] [stderr]   54:     0x7ab940daca64 - clone
[INFO] [stderr]   55:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/fera_array-d9bd1aec46a59fa7` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "81453f1692530e88946ec92210c7f39fed4df648eaa07b1a2d1fe3f615ca8421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81453f1692530e88946ec92210c7f39fed4df648eaa07b1a2d1fe3f615ca8421", kill_on_drop: false }`
[INFO] [stdout] 81453f1692530e88946ec92210c7f39fed4df648eaa07b1a2d1fe3f615ca8421
