[INFO] cloning repository https://github.com/jacekku/rust_NN_VRP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacekku/rust_NN_VRP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacekku%2Frust_NN_VRP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacekku%2Frust_NN_VRP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26f8043314bbf94477236d06c9b8f4d55b3e8e39
[INFO] testing jacekku/rust_NN_VRP against beta-2024-12-08 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacekku%2Frust_NN_VRP" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacekku/rust_NN_VRP on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacekku/rust_NN_VRP
[INFO] finished tweaking git repo https://github.com/jacekku/rust_NN_VRP
[INFO] tweaked toml for git repo https://github.com/jacekku/rust_NN_VRP written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jacekku/rust_NN_VRP 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d72b0da960e93dd91e94a9351741960c4c164014d0799bff03a931219b032b3
[INFO] running `Command { std: "docker" "start" "-a" "9d72b0da960e93dd91e94a9351741960c4c164014d0799bff03a931219b032b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d72b0da960e93dd91e94a9351741960c4c164014d0799bff03a931219b032b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d72b0da960e93dd91e94a9351741960c4c164014d0799bff03a931219b032b3", kill_on_drop: false }`
[INFO] [stdout] 9d72b0da960e93dd91e94a9351741960c4c164014d0799bff03a931219b032b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0853af4c677d6210d95527db01ef166998ba845ae7c176922b0640c00b8bb91
[INFO] running `Command { std: "docker" "start" "-a" "f0853af4c677d6210d95527db01ef166998ba845ae7c176922b0640c00b8bb91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling getrandom v0.2.8
[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 ant_colony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cmp` and `sync::Arc`
[INFO] [stdout]  --> src/solvers/ant_colony.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp, sync::Arc};
[INFO] [stdout]   |           ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]  --> src/solvers/nearest_neighbours.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn distance(city1: &City, city2: &City) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/solvers/nearest_neighbours.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) fn solve(cities: Vec<City>, capacity: usize) -> Vec<String> {
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.41s
[INFO] running `Command { std: "docker" "inspect" "f0853af4c677d6210d95527db01ef166998ba845ae7c176922b0640c00b8bb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0853af4c677d6210d95527db01ef166998ba845ae7c176922b0640c00b8bb91", kill_on_drop: false }`
[INFO] [stdout] f0853af4c677d6210d95527db01ef166998ba845ae7c176922b0640c00b8bb91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e65195d1cfa4235cce6d570befd756c2de6908fff8b0e59297eadb1939b0d7c3
[INFO] running `Command { std: "docker" "start" "-a" "e65195d1cfa4235cce6d570befd756c2de6908fff8b0e59297eadb1939b0d7c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ant_colony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cmp` and `sync::Arc`
[INFO] [stdout]  --> src/solvers/ant_colony.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp, sync::Arc};
[INFO] [stdout]   |           ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "e65195d1cfa4235cce6d570befd756c2de6908fff8b0e59297eadb1939b0d7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65195d1cfa4235cce6d570befd756c2de6908fff8b0e59297eadb1939b0d7c3", kill_on_drop: false }`
[INFO] [stdout] e65195d1cfa4235cce6d570befd756c2de6908fff8b0e59297eadb1939b0d7c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a73201ecd2e7239f3c98a146f5b15785606726a680bbaf3126796bc0d0dc01bd
[INFO] running `Command { std: "docker" "start" "-a" "a73201ecd2e7239f3c98a146f5b15785606726a680bbaf3126796bc0d0dc01bd", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `cmp` and `sync::Arc`
[INFO] [stderr]  --> src/solvers/ant_colony.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{cmp, sync::Arc};
[INFO] [stderr]   |           ^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ant_colony` (bin "ant_colony" test) generated 1 warning (run `cargo fix --bin "ant_colony" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ant_colony-5b207e7b4b0b0e10)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::ant::given_1_3_2_and_pheromones_1_2_3_returns_1_3_2_1 ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::ant::given_1_3_2_and_pheromones_1_2_3_and_capacity_1_returns_1_3_1_2_1 ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::given_no_cities_returns_empty_path ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::given_vec_of_routes_and_distance_matrix_returns_shortest_route ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::given_1_returns_1 ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::update_pheromones::given_matrix_and_1_route_returns_matrix ... ok
[INFO] [stdout] test solvers::test_nearest_neighbour::nearest_neighbours::given_no_cities_returns_empty_path ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::update_pheromones::given_empty_matrix_returns_matrix ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::update_pheromones::given_matrix_and_1_2_1_route_returns_added_value_only_on_route ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::update_pheromones::given_matrix_and_evaporation_constant_returns_with_evaporated_values ... ok
[INFO] [stdout] test solvers::test_nearest_neighbour::nearest_neighbours::three_cities_with_capacity_1_3_1_2_1 ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::update_pheromones::given_matrix_and_empty_route_returns_matrix ... ok
[INFO] [stdout] test solvers::test_nearest_neighbour::nearest_neighbours::given_one_city_returns_that_city ... ok
[INFO] [stdout] test solvers::test_nearest_neighbour::nearest_neighbours::three_cities_returns_path_1_3_2_1 ... ok
[INFO] [stdout] test solvers::test_nearest_neighbour::nearest_neighbours::two_cities_returns_path_1_2_1 ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::given_1_2_returns_1_2_1 ... ok
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::given_1_2_3_returns_1_3_2_1 ... FAILED
[INFO] [stdout] test solvers::test_ant_colony::ant_colony::given_1_2_3_and_1_capacity_returns_1_3_1_2_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
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[INFO] [stdout] thread 'solvers::test_ant_colony::ant_colony::given_1_2_3_returns_1_3_2_1' panicked at src/solvers/test_ant_colony.rs:40:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ["1", "2", "3", "1"]
[INFO] [stdout]  right: ["1", "3", "2", "1"]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57b722bb9b0a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x57b722bb9b0a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x57b722bb9b0a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57b722bb9b0a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57b722bdf9c3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x57b722bdf9c3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x57b722bb6ca3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x57b722bb9952 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x57b722bbaf8d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x57b722bbad97 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x57b722b4a1b7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x57b722b4a1b7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x57b722bbb638 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x57b722bbb638 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x57b722bbb3fa - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x57b722bb9fe9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x57b722bbb08c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x57b722afb020 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x57b722afb3eb - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x57b722afd288 - core::panicking::assert_failed::h280c3e79eb4aa125
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x57b722b0068e - ant_colony::solvers::test_ant_colony::ant_colony::given_1_2_3_returns_1_3_2_1::he70ac34ae0e44990
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solvers/test_ant_colony.rs:40:9
[INFO] [stdout]   21:     0x57b722b00357 - ant_colony::solvers::test_ant_colony::ant_colony::given_1_2_3_returns_1_3_2_1::{{closure}}::h8989410aef2f266b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solvers/test_ant_colony.rs:37:37
[INFO] [stdout]   22:     0x57b722b07ca6 - core::ops::function::FnOnce::call_once::h1fb29b56d72ba5c0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x57b722b4ecdb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57b722b4ecdb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x57b722b4e6c8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x57b722b4e6c8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x57b722b4e6c8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x57b722b4e6c8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x57b722b4e6c8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x57b722b4e6c8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x57b722b4e6c8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x57b722b1216a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x57b722b1216a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x57b722b15ae4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x57b722b15ae4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x57b722b15ae4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x57b722b15ae4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x57b722b15ae4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x57b722b15ae4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x57b722b15ae4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x57b722bbf57b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x57b722bbf57b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x57b722bbf57b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7fbb27b10ac3 - <unknown>
[INFO] [stdout]   45:     0x7fbb27ba1a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     solvers::test_ant_colony::ant_colony::given_1_2_3_returns_1_3_2_1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 17 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a73201ecd2e7239f3c98a146f5b15785606726a680bbaf3126796bc0d0dc01bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73201ecd2e7239f3c98a146f5b15785606726a680bbaf3126796bc0d0dc01bd", kill_on_drop: false }`
[INFO] [stdout] a73201ecd2e7239f3c98a146f5b15785606726a680bbaf3126796bc0d0dc01bd