[INFO] fetching crate champ-trie 0.2.0...
[INFO] testing champ-trie-0.2.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] extracting crate champ-trie 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate champ-trie 0.2.0
[INFO] finished tweaking crates.io crate champ-trie 0.2.0
[INFO] tweaked toml for crates.io crate champ-trie 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate champ-trie 0.2.0 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] crate crates.io crate champ-trie 0.2.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8946d923a162d2083fd6fb1698e543a95c3cd4ae1d9afa90bb17233e9b38adb5
[INFO] running `Command { std: "docker" "start" "-a" "8946d923a162d2083fd6fb1698e543a95c3cd4ae1d9afa90bb17233e9b38adb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8946d923a162d2083fd6fb1698e543a95c3cd4ae1d9afa90bb17233e9b38adb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8946d923a162d2083fd6fb1698e543a95c3cd4ae1d9afa90bb17233e9b38adb5", kill_on_drop: false }`
[INFO] [stdout] 8946d923a162d2083fd6fb1698e543a95c3cd4ae1d9afa90bb17233e9b38adb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6040f117d5e5f7c7b428deec8412ad98e14fb2d336607cace45b04c1143c806f
[INFO] running `Command { std: "docker" "start" "-a" "6040f117d5e5f7c7b428deec8412ad98e14fb2d336607cace45b04c1143c806f", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-bump v0.2.1
[INFO] [stderr]    Compiling champ-trie v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "6040f117d5e5f7c7b428deec8412ad98e14fb2d336607cace45b04c1143c806f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6040f117d5e5f7c7b428deec8412ad98e14fb2d336607cace45b04c1143c806f", kill_on_drop: false }`
[INFO] [stdout] 6040f117d5e5f7c7b428deec8412ad98e14fb2d336607cace45b04c1143c806f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c1050a75e873943a06b82bf4ba0decbffa4269d22c2e45293856cd84c024c727
[INFO] running `Command { std: "docker" "start" "-a" "c1050a75e873943a06b82bf4ba0decbffa4269d22c2e45293856cd84c024c727", kill_on_drop: false }`
[INFO] [stderr]    Compiling champ-trie v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "c1050a75e873943a06b82bf4ba0decbffa4269d22c2e45293856cd84c024c727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1050a75e873943a06b82bf4ba0decbffa4269d22c2e45293856cd84c024c727", kill_on_drop: false }`
[INFO] [stdout] c1050a75e873943a06b82bf4ba0decbffa4269d22c2e45293856cd84c024c727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3a70baace8793e7931bf01849c57d13803a0c8f035964595e3645a3dc5ae8a73
[INFO] running `Command { std: "docker" "start" "-a" "3a70baace8793e7931bf01849c57d13803a0c8f035964595e3645a3dc5ae8a73", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/champ_trie-3ae9489dceb64766)
[INFO] [stdout] 
[INFO] [stdout] running 77 tests
[INFO] [stdout] test tests::adhash::empty_adhash_is_zero ... ok
[INFO] [stdout] test tests::adhash::commutativity ... ok
[INFO] [stdout] test tests::adhash::incremental_insert ... ok
[INFO] [stdout] test tests::adhash::mixing_not_symmetric ... ok
[INFO] [stdout] test tests::adhash::overwrite_changes_adhash ... ok
[INFO] [stdout] test tests::adhash::roundtrip_to_zero ... ok
[INFO] [stdout] test tests::basic::adhash_changes_on_overwrite ... ok
[INFO] [stdout] test tests::basic::contains_key_false ... ok
[INFO] [stdout] test tests::basic::empty_map ... ok
[INFO] [stdout] test tests::adhash::two_seed_no_degeneration ... ok
[INFO] [stdout] test tests::basic::get_missing_key ... ok
[INFO] [stdout] test tests::basic::insert_and_get ... ok
[INFO] [stdout] test tests::basic::insert_multiple ... ok
[INFO] [stdout] test tests::basic::contains_key_true ... ok
[INFO] [stdout] test tests::basic::adhash_changes_on_insert ... ok
[INFO] [stdout] test tests::basic::overwrite_value ... ok
[INFO] [stdout] test tests::basic::remove_all ... ok
[INFO] [stdout] test tests::basic::insert_one ... ok
[INFO] [stdout] test tests::basic::remove_existing ... ok
[INFO] [stdout] test tests::basic::remove_missing ... ok
[INFO] [stdout] test tests::canonical::delete_preserves_canonicity ... ok
[INFO] [stdout] test tests::canonical::insert_order_100_entries ... ok
[INFO] [stdout] test tests::canonical::insert_order_abc_cba_bca ... ok
[INFO] [stdout] test tests::collision::collision_remove_all ... ok
[INFO] [stdout] test tests::collision::mixed_collisions_and_normal ... ok
[INFO] [stdout] test tests::collision::overwrite_in_collision ... ok
[INFO] [stdout] test tests::collision::three_colliding_keys ... ok
[INFO] [stdout] test tests::completeness::insert_update_chain ... ok
[INFO] [stdout] test tests::completeness::insert_new_returns_none ... ok
[INFO] [stdout] test tests::collision::remove_from_collision ... ok
[INFO] [stdout] test tests::canonical::overwrite_preserves_canonicity ... ok
[INFO] [stdout] test tests::collision::two_colliding_keys ... ok
[INFO] [stdout] test tests::completeness::insert_update_returns_old_value ... ok
[INFO] [stdout] test tests::completeness::remove_existing_returns_value ... ok
[INFO] [stdout] test tests::completeness::remove_missing_returns_none ... ok
[INFO] [stdout] test tests::completeness::remove_returns_correct_value_among_many ... ok
[INFO] [stdout] test tests::nfr::single::checkpoint_zero_alloc ... ok
[INFO] [stdout] test tests::nfr::single::iter_count_matches_len ... ok
[INFO] [stdout] test tests::nfr::single::memory_linear ... ok
[INFO] [stdout] test tests::nfr::single::cow_single_insert ... ok
[INFO] [stdout] test tests::nfr::single::cow_single_remove ... ok
[INFO] [stdout] test tests::nfr::single::checkpoint_constant_time ... ok
[INFO] [stdout] test tests::nfr::sync::checkpoint_zero_alloc ... ok
[INFO] [stdout] test tests::nfr::single::insert_sublinear ... ok
[INFO] [stdout] test tests::nfr::single::get_sublinear ... ok
[INFO] [stdout] test tests::nfr::single::remove_sublinear ... ok
[INFO] [stdout] test tests::nfr::single::iter_linear ... FAILED
[INFO] [stdout] test tests::nfr::sync::iter_count_matches_len ... ok
[INFO] [stdout] test tests::nfr::sync::memory_linear ... ok
[INFO] [stdout] test tests::persistence::nested_checkpoints ... ok
[INFO] [stdout] test tests::persistence::rollback_after_insert ... ok
[INFO] [stdout] test tests::persistence::rollback_after_remove ... ok
[INFO] [stdout] test tests::persistence::rollback_to_empty ... ok
[INFO] [stdout] test tests::stress::deep_shared_prefixes ... ok
[INFO] [stdout] test tests::stress::interleaved_operations ... ok
[INFO] [stdout] test tests::stress::thousand_entries ... ok
[INFO] [stdout] test tests::sync::sync_canonical_order ... ok
[INFO] [stdout] test tests::sync::sync_checkpoint_rollback ... ok
[INFO] [stdout] test tests::sync::sync_empty ... ok
[INFO] [stdout] test tests::sync::sync_insert_and_get ... ok
[INFO] [stdout] test tests::sync::sync_is_send ... ok
[INFO] [stdout] test tests::sync::sync_is_sync ... ok
[INFO] [stdout] test tests::sync::sync_remove ... ok
[INFO] [stdout] test tests::sync::sync_stress_100 ... ok
[INFO] [stdout] test tests::traits::debug_format ... ok
[INFO] [stdout] test tests::traits::default_is_empty ... ok
[INFO] [stdout] test tests::traits::extend_trait ... ok
[INFO] [stdout] test tests::traits::from_iterator ... ok
[INFO] [stdout] test tests::traits::index_existing ... ok
[INFO] [stdout] test tests::traits::index_missing_panics - should panic ... ok
[INFO] [stdout] test tests::nfr::sync::cow_single_insert ... ok
[INFO] [stdout] test tests::nfr::sync::cow_single_remove ... ok
[INFO] [stdout] test tests::nfr::sync::checkpoint_constant_time ... ok
[INFO] [stdout] test tests::nfr::sync::get_sublinear ... ok
[INFO] [stdout] test tests::nfr::sync::insert_sublinear ... ok
[INFO] [stdout] test tests::nfr::sync::iter_linear ... ok
[INFO] [stdout] test tests::nfr::sync::remove_sublinear ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::nfr::single::iter_linear stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::nfr::single::iter_linear' (60) panicked at src/tests/nfr.rs:343:1:
[INFO] [stdout] iter ratio 121.79x exceeds 60x for 10x entries (small=1012960ns, large=123373199ns)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59447b7e3eaa - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59447b7e3eaa - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec4e911328de40a6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59447b7e3eaa - std[ec4e911328de40a6]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59447b7e3eaa - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59447b7f7f5a - <core[a96a4c5c53f902a3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59447b7f7f5a - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stdout]    6:     0x59447b7e8732 - std[ec4e911328de40a6]::io::default_write_fmt::<alloc[c960326de6de28e6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59447b7e8732 - <alloc[c960326de6de28e6]::vec::Vec<u8> as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59447b7c30cf - <std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59447b7c30cf - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59447b7dc469 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59447b77952c - <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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x59447b77952c - test[30c43f9fd66fea90]::test_main_with_exit_callback::<test[30c43f9fd66fea90]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59447b7dc622 - <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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x59447b7dc622 - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59447b7c3188 - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59447b7bab29 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59447b7c3e9d - __rustc[aa69f48705c57ca8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59447b7f86ac - core[a96a4c5c53f902a3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59447b76a4f1 - champ_trie[d853a70670e6a725]::tests::nfr::single::iter_linear
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests/nfr.rs:282:17
[INFO] [stdout]   20:     0x59447b769507 - champ_trie[d853a70670e6a725]::tests::nfr::single::iter_linear::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests/nfr.rs:256:29
[INFO] [stdout]   21:     0x59447b752996 - <champ_trie[d853a70670e6a725]::tests::nfr::single::iter_linear::{closure#0} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x59447b76d60b - <fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x59447b76d60b - test[30c43f9fd66fea90]::__rust_begin_short_backtrace::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x59447b779ffb - test[30c43f9fd66fea90]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x59447b779ffb - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x59447b779ffb - 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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x59447b779ffb - 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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x59447b779ffb - 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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x59447b779ffb - test[30c43f9fd66fea90]::run_test_in_process
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x59447b779ffb - test[30c43f9fd66fea90]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x59447b775714 - test[30c43f9fd66fea90]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x59447b775714 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x59447b77cc02 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x59447b77cc02 - <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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x59447b77cc02 - 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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x59447b77cc02 - 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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x59447b77cc02 - 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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x59447b77cc02 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x59447b77cc02 - <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] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x59447b7e37bf - <alloc[c960326de6de28e6]::boxed::Box<dyn core[a96a4c5c53f902a3]::ops::function::FnOnce<(), Output = ()> + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x59447b7e37bf - <std[ec4e911328de40a6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x710f275c5aa4 - <unknown>
[INFO] [stdout]   43:     0x710f27652a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::nfr::single::iter_linear
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 76 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 31.88s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "3a70baace8793e7931bf01849c57d13803a0c8f035964595e3645a3dc5ae8a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a70baace8793e7931bf01849c57d13803a0c8f035964595e3645a3dc5ae8a73", kill_on_drop: false }`
[INFO] [stdout] 3a70baace8793e7931bf01849c57d13803a0c8f035964595e3645a3dc5ae8a73
