[INFO] cloning repository https://github.com/tonykolomeytsev/book-algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonykolomeytsev/book-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykolomeytsev%2Fbook-algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykolomeytsev%2Fbook-algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f4f545bc05217c46eb9442c48aaf717ef9b8e31d [INFO] testing tonykolomeytsev/book-algorithms against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykolomeytsev%2Fbook-algorithms" "/workspace/builds/worker-104/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tonykolomeytsev/book-algorithms on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tonykolomeytsev/book-algorithms [INFO] finished tweaking git repo https://github.com/tonykolomeytsev/book-algorithms [INFO] tweaked toml for git repo https://github.com/tonykolomeytsev/book-algorithms written to /workspace/builds/worker-104/source/Cargo.toml [INFO] crate git repo https://github.com/tonykolomeytsev/book-algorithms already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae2361048d5fc89cce2ee6ee4e539cdeda81c9f986c0a2c99d1205b727f8b59f [INFO] running `Command { std: "docker" "start" "-a" "ae2361048d5fc89cce2ee6ee4e539cdeda81c9f986c0a2c99d1205b727f8b59f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae2361048d5fc89cce2ee6ee4e539cdeda81c9f986c0a2c99d1205b727f8b59f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae2361048d5fc89cce2ee6ee4e539cdeda81c9f986c0a2c99d1205b727f8b59f", kill_on_drop: false }` [INFO] [stdout] ae2361048d5fc89cce2ee6ee4e539cdeda81c9f986c0a2c99d1205b727f8b59f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b8bb8e4f8390d7ac066c9d8b743ba117056f9b037890fe2bfd0e5fdf901eae8e [INFO] running `Command { std: "docker" "start" "-a" "b8bb8e4f8390d7ac066c9d8b743ba117056f9b037890fe2bfd0e5fdf901eae8e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling algorithms v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `insertion_sort` [INFO] [stdout] --> src/chapter_2.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn insertion_sort(arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insertion_sort_descending` [INFO] [stdout] --> src/chapter_2.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn insertion_sort_descending(arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `linear_search` [INFO] [stdout] --> src/chapter_2.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn linear_search(v: i32, arr: &[i32]) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `summarize_binary` [INFO] [stdout] --> src/chapter_2.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn summarize_binary(a: &Vec, b: &Vec, c: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `selection_sort` [INFO] [stdout] --> src/chapter_2.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn selection_sort(arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.49s [INFO] running `Command { std: "docker" "inspect" "b8bb8e4f8390d7ac066c9d8b743ba117056f9b037890fe2bfd0e5fdf901eae8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8bb8e4f8390d7ac066c9d8b743ba117056f9b037890fe2bfd0e5fdf901eae8e", kill_on_drop: false }` [INFO] [stdout] b8bb8e4f8390d7ac066c9d8b743ba117056f9b037890fe2bfd0e5fdf901eae8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 769515c3d8ddcb35bde68aa96415f2fe1f5f0b46f996f416ee1122f2166be2ce [INFO] running `Command { std: "docker" "start" "-a" "769515c3d8ddcb35bde68aa96415f2fe1f5f0b46f996f416ee1122f2166be2ce", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling algorithms v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.19s [INFO] running `Command { std: "docker" "inspect" "769515c3d8ddcb35bde68aa96415f2fe1f5f0b46f996f416ee1122f2166be2ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "769515c3d8ddcb35bde68aa96415f2fe1f5f0b46f996f416ee1122f2166be2ce", kill_on_drop: false }` [INFO] [stdout] 769515c3d8ddcb35bde68aa96415f2fe1f5f0b46f996f416ee1122f2166be2ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 541f3044dbe73154215acbe6a8a39dfa0d0c42f42930442dcc92be34ca9098af [INFO] running `Command { std: "docker" "start" "-a" "541f3044dbe73154215acbe6a8a39dfa0d0c42f42930442dcc92be34ca9098af", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/algorithms-ea3d5c2a3bcb9e41) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test insertion_sort_descending_test ... ok [INFO] [stdout] test insertion_sort_test ... ok [INFO] [stdout] test linear_search_test ... ok [INFO] [stdout] test selection_sort_test ... ok [INFO] [stdout] test summarize_binary_test ... ok [INFO] [stdout] test merge_sort_test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- merge_sort_test stdout ---- [INFO] [stdout] sort: [31, 41, 59, 26, 41, 58]; p = 0, r = 6 [INFO] [stdout] sort: [31, 41, 59, 26, 41, 58]; p = 0, r = 3 [INFO] [stdout] sort: [31, 41, 59, 26, 41, 58]; p = 0, r = 1 [INFO] [stdout] sort: [31, 41, 59, 26, 41, 58]; p = 0, r = 0 [INFO] [stdout] sort: [31, 41, 59, 26, 41, 58]; p = 1, r = 1 [INFO] [stdout] left: [] [INFO] [stdout] right: [31] [INFO] [stdout] thread 'merge_sort_test' panicked at 'index out of bounds: the len is 0 but the index is 0', src/chapter_2.rs:67:12 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b5de8b5870 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55b5de8b5870 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55b5de8b5870 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55b5de8b5870 - ::fmt::he312f4ad5b9bb346 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55b5de8d80bc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55b5de8b27d5 - std::io::Write::write_fmt::h65d36b96410d80d7 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x55b5de8b79eb - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55b5de8b79eb - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55b5de8b79eb - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55b5de8b74fc - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x55b5de8b80b4 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55b5de8b7b97 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55b5de8b5d4c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55b5de8b7af9 - rust_begin_unwind [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55b5de85e3b1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55b5de85e372 - core::panicking::panic_bounds_check::hc3a71010bf41c72d [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:69:5 [INFO] [stdout] 16: 0x55b5de86222e - >::index::h1a3f63cdb0ae64c6 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/slice/index.rs:184:10 [INFO] [stdout] 17: 0x55b5de8620c6 - core::slice::index:: for [T]>::index::hdd7efc674a58d5a9 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/slice/index.rs:15:9 [INFO] [stdout] 18: 0x55b5de85f3e7 - as core::ops::index::Index>::index::h496d5c5a8cd5762f [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/vec/mod.rs:2433:9 [INFO] [stdout] 19: 0x55b5de863c95 - algorithms::chapter_2::merge::h70720bb5f5e7f258 [INFO] [stdout] at /opt/rustwide/workdir/src/chapter_2.rs:67:12 [INFO] [stdout] 20: 0x55b5de86407e - algorithms::chapter_2::merge_sort::h6f6353a43692c525 [INFO] [stdout] at /opt/rustwide/workdir/src/chapter_2.rs:83:9 [INFO] [stdout] 21: 0x55b5de863ff2 - algorithms::chapter_2::merge_sort::h6f6353a43692c525 [INFO] [stdout] at /opt/rustwide/workdir/src/chapter_2.rs:81:9 [INFO] [stdout] 22: 0x55b5de863ff2 - algorithms::chapter_2::merge_sort::h6f6353a43692c525 [INFO] [stdout] at /opt/rustwide/workdir/src/chapter_2.rs:81:9 [INFO] [stdout] 23: 0x55b5de860ef9 - algorithms::merge_sort_test::h4826d1c3628cbeec [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:55:5 [INFO] [stdout] 24: 0x55b5de860dfa - algorithms::merge_sort_test::{{closure}}::h54f21c9fc55a140e [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:52:1 [INFO] [stdout] 25: 0x55b5de8650ee - core::ops::function::FnOnce::call_once::ha089d377e59ef2e4 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 26: 0x55b5de89a163 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 27: 0x55b5de89a163 - test::__rust_begin_short_backtrace::h3a193bd570ada00a [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5 [INFO] [stdout] 28: 0x55b5de898bd8 - as core::ops::function::FnOnce>::call_once::h262d2f411717179a [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 29: 0x55b5de898bd8 - as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9 [INFO] [stdout] 30: 0x55b5de898bd8 - std::panicking::try::do_call::ha5f42e76ffda569d [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stdout] 31: 0x55b5de898bd8 - std::panicking::try::h53f36df0935b9500 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stdout] 32: 0x55b5de898bd8 - std::panic::catch_unwind::h5a497f74b0ce006f [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stdout] 33: 0x55b5de898bd8 - test::run_test_in_process::hab0aead337f48a88 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18 [INFO] [stdout] 34: 0x55b5de898bd8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39 [INFO] [stdout] 35: 0x55b5de86735d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37 [INFO] [stdout] 36: 0x55b5de86735d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 37: 0x55b5de86ba88 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 38: 0x55b5de86ba88 - as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9 [INFO] [stdout] 39: 0x55b5de86ba88 - std::panicking::try::do_call::hc0b5663d6373cec8 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stdout] 40: 0x55b5de86ba88 - std::panicking::try::ha9007ede9d35dcd6 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stdout] 41: 0x55b5de86ba88 - std::panic::catch_unwind::hf60d56329ebbb81c [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stdout] 42: 0x55b5de86ba88 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 43: 0x55b5de86ba88 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 44: 0x55b5de8bcc27 - as core::ops::function::FnOnce>::call_once::h09f167e08fc945ff [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 45: 0x55b5de8bcc27 - as core::ops::function::FnOnce>::call_once::hf814fe85eeb118e0 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 46: 0x55b5de8bcc27 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17 [INFO] [stdout] 47: 0x7f6d3e5a2609 - start_thread [INFO] [stdout] 48: 0x7f6d3e374293 - clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] merge_sort_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin algorithms' [INFO] running `Command { std: "docker" "inspect" "541f3044dbe73154215acbe6a8a39dfa0d0c42f42930442dcc92be34ca9098af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "541f3044dbe73154215acbe6a8a39dfa0d0c42f42930442dcc92be34ca9098af", kill_on_drop: false }` [INFO] [stdout] 541f3044dbe73154215acbe6a8a39dfa0d0c42f42930442dcc92be34ca9098af