[INFO] fetching crate nerdondon-hopscotch 2.7.0... [INFO] testing nerdondon-hopscotch-2.7.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151 [INFO] extracting crate nerdondon-hopscotch 2.7.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate nerdondon-hopscotch 2.7.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nerdondon-hopscotch 2.7.0 [INFO] finished tweaking crates.io crate nerdondon-hopscotch 2.7.0 [INFO] tweaked toml for crates.io crate nerdondon-hopscotch 2.7.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0) [INFO] [stderr] Adding yansi v0.5.1 (latest: v1.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e775963ff2deb4c8cdd1fb23a2e13d067d4a342253370c8833234345483f1e4d [INFO] running `Command { std: "docker" "start" "-a" "e775963ff2deb4c8cdd1fb23a2e13d067d4a342253370c8833234345483f1e4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e775963ff2deb4c8cdd1fb23a2e13d067d4a342253370c8833234345483f1e4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e775963ff2deb4c8cdd1fb23a2e13d067d4a342253370c8833234345483f1e4d", kill_on_drop: false }` [INFO] [stdout] e775963ff2deb4c8cdd1fb23a2e13d067d4a342253370c8833234345483f1e4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c124902ff4047f4daff623d37e82777ac140043daab1a8d5c785945614830b3 [INFO] running `Command { std: "docker" "start" "-a" "1c124902ff4047f4daff623d37e82777ac140043daab1a8d5c785945614830b3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rand_distr v0.4.3 [INFO] [stderr] Compiling nerdondon-hopscotch v2.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/skiplist.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | /// The number of elements in the skip list. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 106 | length: 0, [INFO] [stdout] | --------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "1c124902ff4047f4daff623d37e82777ac140043daab1a8d5c785945614830b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c124902ff4047f4daff623d37e82777ac140043daab1a8d5c785945614830b3", kill_on_drop: false }` [INFO] [stdout] 1c124902ff4047f4daff623d37e82777ac140043daab1a8d5c785945614830b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa4ff5ace6c37265ce30cfc447eb6ade9a298c084152663b49724cae0fcaceeb [INFO] running `Command { std: "docker" "start" "-a" "aa4ff5ace6c37265ce30cfc447eb6ade9a298c084152663b49724cae0fcaceeb", kill_on_drop: false }` [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling yansi v0.5.1 [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/skiplist.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | /// The number of elements in the skip list. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 106 | length: 0, [INFO] [stdout] | --------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pretty_assertions v1.4.0 [INFO] [stderr] Compiling nerdondon-hopscotch v2.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/skiplist.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | /// The number of elements in the skip list. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 106 | length: 0, [INFO] [stdout] | --------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "aa4ff5ace6c37265ce30cfc447eb6ade9a298c084152663b49724cae0fcaceeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa4ff5ace6c37265ce30cfc447eb6ade9a298c084152663b49724cae0fcaceeb", kill_on_drop: false }` [INFO] [stdout] aa4ff5ace6c37265ce30cfc447eb6ade9a298c084152663b49724cae0fcaceeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 51a8b8ee591668f7605071bfe422898205448974595a9634b9ab012f74645571 [INFO] running `Command { std: "docker" "start" "-a" "51a8b8ee591668f7605071bfe422898205448974595a9634b9ab012f74645571", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/skiplist.rs:105:13 [INFO] [stderr] | [INFO] [stderr] 105 | /// The number of elements in the skip list. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 106 | length: 0, [INFO] [stderr] | --------- rustdoc does not generate documentation for expression fields [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `nerdondon-hopscotch` (lib) generated 1 warning [INFO] [stderr] warning: `nerdondon-hopscotch` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nerdondon_hopscotch-efe7247ab3dad93c) [INFO] [stdout] [INFO] [stdout] running 26 tests [INFO] [stdout] test skiplist::tests::entries_returns_a_vec_with_the_key_value_pairs_of_elements ... ok [INFO] [stdout] test skiplist::tests::get_an_element_at_the_head ... ok [INFO] [stdout] test skiplist::tests::insert_can_add_an_element_after_an_existing_element ... ok [INFO] [stdout] test skiplist::tests::get_an_element_at_the_tail ... ok [INFO] [stdout] test skiplist::tests::get_an_element_in_the_middle ... ok [INFO] [stdout] test skiplist::tests::insert_can_add_an_element_before_an_existing_element ... ok [INFO] [stdout] test skiplist::tests::insert_can_add_an_element_between_existing_elements ... ok [INFO] [stdout] test skiplist::tests::remove_can_remove_an_item_from_the_back_of_the_skip_list ... ok [INFO] [stdout] test skiplist::tests::remove_can_remove_all_elements_from_the_skip_list ... ok [INFO] [stdout] test skiplist::tests::remove_can_remove_an_item_from_the_front_of_the_skip_list ... ok [INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_find_less_than_returns_correct_responses ... ok [INFO] [stdout] test skiplist::tests::remove_can_remove_an_item_from_the_middle_of_the_skip_list ... ok [INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_first_returns_references_to_the_first_key_value_pair ... ok [INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_getting_a_non_existent_element_returns_none ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_collect_returns_an_empty_vec ... ok [INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_is_empty_returns_false ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_first_returns_none ... ok [INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_find_greater_or_equal_returns_correct_responses ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_get_returns_none ... ok [INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_last_returns_references_to_the_last_key_value_pair ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_last_returns_none ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_is_empty_returns_true ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_remove_does_nothing ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_insert_can_add_an_element ... ok [INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_len_returns_zero ... ok [INFO] [stdout] test skiplist::tests::get_approx_mem_usage_provides_decent_estimates ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- skiplist::tests::get_approx_mem_usage_provides_decent_estimates stdout ---- [INFO] [stdout] thread 'skiplist::tests::get_approx_mem_usage_provides_decent_estimates' panicked at src/skiplist.rs:1074:9: [INFO] [stdout] attempt to subtract with overflow [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x565549f1e145 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 1: 0x565549f1e145 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x565549f1e145 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x565549f1e145 - ::fmt::h6ed9e62a156d84e4 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x565549f44b7b - core::fmt::rt::Argument::fmt::h645c680983f03c9f [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63 [INFO] [stdout] 5: 0x565549f44b7b - core::fmt::write::h8bcd80919a02be29 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21 [INFO] [stdout] 6: 0x565549f1b97f - std::io::Write::write_fmt::h8d0c47c662cad79c [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15 [INFO] [stdout] 7: 0x565549f1df1e - std::sys_common::backtrace::_print::h6306f131a28d62b0 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x565549f1df1e - std::sys_common::backtrace::print::h7079288e0a26dfcc [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x565549f1f949 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba [INFO] [stdout] 10: 0x565549f1f60e - std::panicking::default_hook::hd56ee406bf547b5c [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9 [INFO] [stdout] 11: 0x565549e9b5da - as core::ops::function::Fn>::call::he5eacdef44c8728f [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9 [INFO] [stdout] 12: 0x565549e9b5da - test::test_main::{{closure}}::h0ec9aed229e79095 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x565549f1ff4b - as core::ops::function::Fn>::call::hcbd0d80e1ad4e4f9 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9 [INFO] [stdout] 14: 0x565549f1ff4b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13 [INFO] [stdout] 15: 0x565549f1fc8b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13 [INFO] [stdout] 16: 0x565549f1e609 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x565549f1f9f7 - rust_begin_unwind [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5 [INFO] [stdout] 18: 0x565549e4ccb3 - core::panicking::panic_fmt::hec11a924b87ce965 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x565549e4d397 - core::panicking::panic_const::panic_const_sub_overflow::h38a7349fcc41790b [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:179:21 [INFO] [stdout] 20: 0x565549e65a6f - nerdondon_hopscotch::skiplist::tests::get_approx_mem_usage_provides_decent_estimates::hb87e1ba69ff96791 [INFO] [stdout] at /opt/rustwide/workdir/src/skiplist.rs:1074:9 [INFO] [stdout] 21: 0x565549e649b7 - nerdondon_hopscotch::skiplist::tests::get_approx_mem_usage_provides_decent_estimates::{{closure}}::h5f2b79e438ace338 [INFO] [stdout] at /opt/rustwide/workdir/src/skiplist.rs:997:56 [INFO] [stdout] 22: 0x565549e5bfc6 - core::ops::function::FnOnce::call_once::h3b6baac34fabae03 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x565549e9ffbb - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x565549e9ffbb - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18 [INFO] [stdout] 25: 0x565549e9f6c1 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60 [INFO] [stdout] 26: 0x565549e9f6c1 - as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x565549e9f6c1 - std::panicking::try::do_call::h1bf2463bccd4b28c [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40 [INFO] [stdout] 28: 0x565549e9f6c1 - std::panicking::try::hd6d4808c9fab4fa5 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19 [INFO] [stdout] 29: 0x565549e9f6c1 - std::panic::catch_unwind::hd5641d97d123f9f2 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14 [INFO] [stdout] 30: 0x565549e9f6c1 - test::run_test_in_process::hc273b71c8b878a4c [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27 [INFO] [stdout] 31: 0x565549e9f6c1 - test::run_test::{{closure}}::h6838df834eb8467e [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43 [INFO] [stdout] 32: 0x565549e68084 - test::run_test::{{closure}}::h608b98ecff5665fb [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41 [INFO] [stdout] 33: 0x565549e68084 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 34: 0x565549e6cab2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17 [INFO] [stdout] 35: 0x565549e6cab2 - as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x565549e6cab2 - std::panicking::try::do_call::h4f1a44bd81423be1 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40 [INFO] [stdout] 37: 0x565549e6cab2 - std::panicking::try::h5e02afcb81dcd361 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19 [INFO] [stdout] 38: 0x565549e6cab2 - std::panic::catch_unwind::h022f75775bfd8c45 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14 [INFO] [stdout] 39: 0x565549e6cab2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30 [INFO] [stdout] 40: 0x565549e6cab2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x565549f2423b - as core::ops::function::FnOnce>::call_once::h7a343dc551c06baa [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9 [INFO] [stdout] 42: 0x565549f2423b - as core::ops::function::FnOnce>::call_once::h30b8111cbaa644f3 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9 [INFO] [stdout] 43: 0x565549f2423b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11 [INFO] [stdout] at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 44: 0x7f6565475ac3 - [INFO] [stdout] 45: 0x7f6565506a04 - __clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] skiplist::tests::get_approx_mem_usage_provides_decent_estimates [INFO] [stdout] [INFO] [stdout] test result: FAILED. 25 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "51a8b8ee591668f7605071bfe422898205448974595a9634b9ab012f74645571", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51a8b8ee591668f7605071bfe422898205448974595a9634b9ab012f74645571", kill_on_drop: false }` [INFO] [stdout] 51a8b8ee591668f7605071bfe422898205448974595a9634b9ab012f74645571