[INFO] cloning repository https://github.com/davirieser/Maelstrom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davirieser/Maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavirieser%2FMaelstrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavirieser%2FMaelstrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a256bdd87736bd754544736e9fba0a5a3510c0db
[INFO] testing davirieser/Maelstrom against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavirieser%2FMaelstrom" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davirieser/Maelstrom on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davirieser/Maelstrom
[INFO] finished tweaking git repo https://github.com/davirieser/Maelstrom
[INFO] tweaked toml for git repo https://github.com/davirieser/Maelstrom written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davirieser/Maelstrom 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug_print v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e24c35badd74d24e836e64d73c597d106932f9719743f5902c576249583e0a71
[INFO] running `Command { std: "docker" "start" "-a" "e24c35badd74d24e836e64d73c597d106932f9719743f5902c576249583e0a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24c35badd74d24e836e64d73c597d106932f9719743f5902c576249583e0a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24c35badd74d24e836e64d73c597d106932f9719743f5902c576249583e0a71", kill_on_drop: false }`
[INFO] [stdout] e24c35badd74d24e836e64d73c597d106932f9719743f5902c576249583e0a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2ea3ab7e1a04989b9d9df59f7296c7d6551ace6a370c678b91bc76a0e2894c
[INFO] running `Command { std: "docker" "start" "-a" "ec2ea3ab7e1a04989b9d9df59f7296c7d6551ace6a370c678b91bc76a0e2894c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling debug_print v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling Maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `Command { std: "docker" "inspect" "ec2ea3ab7e1a04989b9d9df59f7296c7d6551ace6a370c678b91bc76a0e2894c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2ea3ab7e1a04989b9d9df59f7296c7d6551ace6a370c678b91bc76a0e2894c", kill_on_drop: false }`
[INFO] [stdout] ec2ea3ab7e1a04989b9d9df59f7296c7d6551ace6a370c678b91bc76a0e2894c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed40210c6b4b68550baf69b0499fe979932ed59b235668dd68470a103e9c055
[INFO] running `Command { std: "docker" "start" "-a" "7ed40210c6b4b68550baf69b0499fe979932ed59b235668dd68470a103e9c055", kill_on_drop: false }`
[INFO] [stderr]    Compiling Maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:126:47
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn test_build_broadcast_topology_internal(mut topology: Topology) -> bool {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut nodes: HashSet<String> = topology.keys().cloned().collect();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let mut nodes: Vec<String> = base_topology.keys().cloned().collect();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |             let mut broadcast_topology = build_broadcast_topology(node, &nodes, &base_topology);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]    --> src/lib.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut nodes: Vec<String> = topologies.keys().cloned().collect();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cmp_node_ids` is never used
[INFO] [stdout]   --> src/lib.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cmp_node_ids(id1: &str, id2: &str) -> Ordering {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "7ed40210c6b4b68550baf69b0499fe979932ed59b235668dd68470a103e9c055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed40210c6b4b68550baf69b0499fe979932ed59b235668dd68470a103e9c055", kill_on_drop: false }`
[INFO] [stdout] 7ed40210c6b4b68550baf69b0499fe979932ed59b235668dd68470a103e9c055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11d0333242ca0635fb398b6a04e6db162cc4f5d3cbad10f319e75bd89a7e8b6a
[INFO] running `Command { std: "docker" "start" "-a" "11d0333242ca0635fb398b6a04e6db162cc4f5d3cbad10f319e75bd89a7e8b6a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:126:47
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn test_build_broadcast_topology_internal(mut topology: Topology) -> bool {
[INFO] [stderr]     |                                               ----^^^^^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut nodes: HashSet<String> = topology.keys().cloned().collect();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut nodes: Vec<String> = base_topology.keys().cloned().collect();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let mut broadcast_topology = build_broadcast_topology(node, &nodes, &base_topology);
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]    --> src/lib.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let mut nodes: Vec<String> = topologies.keys().cloned().collect();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `cmp_node_ids` is never used
[INFO] [stderr]   --> src/lib.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cmp_node_ids(id1: &str, id2: &str) -> Ordering {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `Maelstrom` (lib test) generated 8 warnings (run `cargo fix --lib -p Maelstrom --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/Maelstrom-2d291e2e117dccfb)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::test_is_lower_node_id ... ok
[INFO] [stdout] test test::test_build_broadcast_topology1 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology2 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology3 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology4 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology5 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology6 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_build_broadcast_topology6 stdout ----
[INFO] [stdout] All Topologies: {
[INFO] [stdout]     "n2": {
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [],
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n5",
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n5": {
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n0": [],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n2",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [],
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]     },
[INFO] [stdout]     "n3": {
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n5": [],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n0": [],
[INFO] [stdout]     },
[INFO] [stdout]     "n0": {
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n1",
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n5": [],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n1": {
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n0",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n2",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n4",
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n4": {
[INFO] [stdout]         "n0": [],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n4": [
[INFO] [stdout]             "n5",
[INFO] [stdout]             "n3",
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout] }
[INFO] [stdout] Complete Topology: {
[INFO] [stdout]     "n4": [
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n1",
[INFO] [stdout]     ],
[INFO] [stdout]     "n5": [
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n3",
[INFO] [stdout]     ],
[INFO] [stdout]     "n3": [
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n5",
[INFO] [stdout]     ],
[INFO] [stdout]     "n1": [
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n2",
[INFO] [stdout]     ],
[INFO] [stdout]     "n2": [
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n4",
[INFO] [stdout]     ],
[INFO] [stdout]     "n0": [
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n4",
[INFO] [stdout]     ],
[INFO] [stdout] }
[INFO] [stdout] thread 'test::test_build_broadcast_topology6' panicked at src/lib.rs:123:9:
[INFO] [stdout] assertion failed: false
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5576ebf31da6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5576ebf31da6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5576ebf31da6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5576ebf31da6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5576ebf5af20 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5576ebf5af20 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5576ebf2f80f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5576ebf31b84 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5576ebf31b84 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5576ebf338f7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x5576ebf335dd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5576ebf00597 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5576ebf00597 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5576ebf33f16 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5576ebf33f16 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5576ebf33c29 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:649:13
[INFO] [stdout]   16:     0x5576ebf322a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5576ebf339c0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5576ebea5cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5576ebea5d93 - core::panicking::panic::hb837a5ebbbe5b188
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x5576ebeb9062 - Maelstrom::test::test_build_broadcast_topology6::hf9e62160b310c381
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:123:9
[INFO] [stdout]   21:     0x5576ebeb8347 - Maelstrom::test::test_build_broadcast_topology6::{{closure}}::h2eb787e74221ac50
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:94:40
[INFO] [stdout]   22:     0x5576ebebeaa6 - core::ops::function::FnOnce::call_once::h0860db85a7e433b7
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5576ebf05e6f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5576ebf05e6f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   25:     0x5576ebf04bf1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   26:     0x5576ebf04bf1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5576ebf04bf1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x5576ebf04bf1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x5576ebf04bf1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x5576ebf04bf1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   31:     0x5576ebf04bf1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   32:     0x5576ebecbf26 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   33:     0x5576ebecbf26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x5576ebed0f87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x5576ebed0f87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5576ebed0f87 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x5576ebed0f87 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x5576ebed0f87 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x5576ebed0f87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x5576ebed0f87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5576ebf389c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x5576ebf389c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x5576ebf389c5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f9a44364ac3 - <unknown>
[INFO] [stdout]   45:     0x7f9a443f5bf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_build_broadcast_topology6
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "11d0333242ca0635fb398b6a04e6db162cc4f5d3cbad10f319e75bd89a7e8b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d0333242ca0635fb398b6a04e6db162cc4f5d3cbad10f319e75bd89a7e8b6a", kill_on_drop: false }`
[INFO] [stdout] 11d0333242ca0635fb398b6a04e6db162cc4f5d3cbad10f319e75bd89a7e8b6a
[INFO] testing davirieser/Maelstrom against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavirieser%2FMaelstrom" "/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/davirieser/Maelstrom on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davirieser/Maelstrom
[INFO] finished tweaking git repo https://github.com/davirieser/Maelstrom
[INFO] tweaked toml for git repo https://github.com/davirieser/Maelstrom written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davirieser/Maelstrom 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-2024-02-10" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 550082751a0f6e0844ca6989a47187cb7e00ae11c41f7b7e71d0bcde7ce08a48
[INFO] running `Command { std: "docker" "start" "-a" "550082751a0f6e0844ca6989a47187cb7e00ae11c41f7b7e71d0bcde7ce08a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "550082751a0f6e0844ca6989a47187cb7e00ae11c41f7b7e71d0bcde7ce08a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550082751a0f6e0844ca6989a47187cb7e00ae11c41f7b7e71d0bcde7ce08a48", kill_on_drop: false }`
[INFO] [stdout] 550082751a0f6e0844ca6989a47187cb7e00ae11c41f7b7e71d0bcde7ce08a48
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6435bab284b8154d568795def5a367676001df46603a3ab19eda6e226bc52f00
[INFO] running `Command { std: "docker" "start" "-a" "6435bab284b8154d568795def5a367676001df46603a3ab19eda6e226bc52f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling debug_print v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling Maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `Command { std: "docker" "inspect" "6435bab284b8154d568795def5a367676001df46603a3ab19eda6e226bc52f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6435bab284b8154d568795def5a367676001df46603a3ab19eda6e226bc52f00", kill_on_drop: false }`
[INFO] [stdout] 6435bab284b8154d568795def5a367676001df46603a3ab19eda6e226bc52f00
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c09910a815d4bb2b2f5fff9bdf64dfe6c002cd887e319ac56d0a7cf6d8167f1d
[INFO] running `Command { std: "docker" "start" "-a" "c09910a815d4bb2b2f5fff9bdf64dfe6c002cd887e319ac56d0a7cf6d8167f1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling Maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:126:47
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn test_build_broadcast_topology_internal(mut topology: Topology) -> bool {
[INFO] [stdout]     |                                               ----^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut nodes: HashSet<String> = topology.keys().cloned().collect();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let mut nodes: Vec<String> = base_topology.keys().cloned().collect();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |             let mut broadcast_topology = build_broadcast_topology(node, &nodes, &base_topology);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]    --> src/lib.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut nodes: Vec<String> = topologies.keys().cloned().collect();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cmp_node_ids` is never used
[INFO] [stdout]   --> src/lib.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cmp_node_ids(id1: &str, id2: &str) -> Ordering {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "c09910a815d4bb2b2f5fff9bdf64dfe6c002cd887e319ac56d0a7cf6d8167f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09910a815d4bb2b2f5fff9bdf64dfe6c002cd887e319ac56d0a7cf6d8167f1d", kill_on_drop: false }`
[INFO] [stdout] c09910a815d4bb2b2f5fff9bdf64dfe6c002cd887e319ac56d0a7cf6d8167f1d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 113e2d694b0c4344ebad3f891bbd3d4657ace03ace29765e3d3ffc3388625dcb
[INFO] running `Command { std: "docker" "start" "-a" "113e2d694b0c4344ebad3f891bbd3d4657ace03ace29765e3d3ffc3388625dcb", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:126:47
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn test_build_broadcast_topology_internal(mut topology: Topology) -> bool {
[INFO] [stderr]     |                                               ----^^^^^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut nodes: HashSet<String> = topology.keys().cloned().collect();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut nodes: Vec<String> = base_topology.keys().cloned().collect();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let mut broadcast_topology = build_broadcast_topology(node, &nodes, &base_topology);
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]    --> src/lib.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let mut nodes: Vec<String> = topologies.keys().cloned().collect();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let mut vec = complete_topology.get_mut(node).unwrap();
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `cmp_node_ids` is never used
[INFO] [stderr]   --> src/lib.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cmp_node_ids(id1: &str, id2: &str) -> Ordering {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `Maelstrom` (lib test) generated 8 warnings (run `cargo fix --lib -p Maelstrom --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/Maelstrom-86af62b8e52da5ab)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::test_build_broadcast_topology1 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology3 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology4 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology5 ... ok
[INFO] [stdout] test test::test_is_lower_node_id ... ok
[INFO] [stdout] test test::test_build_broadcast_topology2 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology6 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_build_broadcast_topology6 stdout ----
[INFO] [stdout] All Topologies: {
[INFO] [stdout]     "n0": {
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n1",
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n5": [],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n5": {
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n0": [],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n2",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n3": [],
[INFO] [stdout]     },
[INFO] [stdout]     "n1": {
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n2",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n0",
[INFO] [stdout]         ],
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n4",
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n4": {
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n4": [
[INFO] [stdout]             "n5",
[INFO] [stdout]             "n1",
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n0": [],
[INFO] [stdout]     },
[INFO] [stdout]     "n2": {
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n5",
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [],
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n3": {
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n4",
[INFO] [stdout]             "n0",
[INFO] [stdout]         ],
[INFO] [stdout]         "n0": [],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n5": [],
[INFO] [stdout]     },
[INFO] [stdout] }
[INFO] [stdout] Complete Topology: {
[INFO] [stdout]     "n3": [
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n0",
[INFO] [stdout]     ],
[INFO] [stdout]     "n0": [
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n5",
[INFO] [stdout]     ],
[INFO] [stdout]     "n5": [
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n1",
[INFO] [stdout]     ],
[INFO] [stdout]     "n1": [
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n5",
[INFO] [stdout]     ],
[INFO] [stdout]     "n4": [
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n3",
[INFO] [stdout]     ],
[INFO] [stdout]     "n2": [
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n1",
[INFO] [stdout]     ],
[INFO] [stdout] }
[INFO] [stdout] thread 'test::test_build_broadcast_topology6' panicked at src/lib.rs:123:9:
[INFO] [stdout] assertion failed: false
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55fd4b7a3ae6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55fd4b7a3ae6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55fd4b7a3ae6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55fd4b7a3ae6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55fd4b7cca90 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55fd4b7cca90 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55fd4b7a133f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55fd4b7a38c4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55fd4b7a38c4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55fd4b7a5637 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55fd4b7a531d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55fd4b771f07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55fd4b771f07 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55fd4b7a5c56 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55fd4b7a5c56 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x55fd4b7a5969 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:651:13
[INFO] [stdout]   16:     0x55fd4b7a3fe6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55fd4b7a56f4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x55fd4b717775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55fd4b717833 - core::panicking::panic::h239eacb54d7c53ba
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55fd4b73da92 - Maelstrom::test::test_build_broadcast_topology6::hcff1944cff3ab895
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:123:9
[INFO] [stdout]   21:     0x55fd4b73cd77 - Maelstrom::test::test_build_broadcast_topology6::{{closure}}::h682c28c34581282c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:94:40
[INFO] [stdout]   22:     0x55fd4b736756 - core::ops::function::FnOnce::call_once::h8e25d5e6c32aeab1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55fd4b777aff - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55fd4b777aff - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x55fd4b776921 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x55fd4b776921 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55fd4b776921 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   28:     0x55fd4b776921 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   29:     0x55fd4b776921 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55fd4b776921 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x55fd4b776921 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   32:     0x55fd4b73dd86 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x55fd4b73dd86 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55fd4b742d47 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x55fd4b742d47 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55fd4b742d47 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   37:     0x55fd4b742d47 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   38:     0x55fd4b742d47 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55fd4b742d47 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x55fd4b742d47 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55fd4b7a9ff5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55fd4b7a9ff5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55fd4b7a9ff5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f3894a78ac3 - <unknown>
[INFO] [stdout]   45:     0x7f3894b09bf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_build_broadcast_topology6
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "113e2d694b0c4344ebad3f891bbd3d4657ace03ace29765e3d3ffc3388625dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113e2d694b0c4344ebad3f891bbd3d4657ace03ace29765e3d3ffc3388625dcb", kill_on_drop: false }`
[INFO] [stdout] 113e2d694b0c4344ebad3f891bbd3d4657ace03ace29765e3d3ffc3388625dcb
