[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 try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavirieser%2FMaelstrom" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davirieser/Maelstrom on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9c28e597cd89cd03f3270a5df2ca9f62d726a163f5047972c7691dec2b9bf3d
[INFO] running `Command { std: "docker" "start" "-a" "b9c28e597cd89cd03f3270a5df2ca9f62d726a163f5047972c7691dec2b9bf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9c28e597cd89cd03f3270a5df2ca9f62d726a163f5047972c7691dec2b9bf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c28e597cd89cd03f3270a5df2ca9f62d726a163f5047972c7691dec2b9bf3d", kill_on_drop: false }`
[INFO] [stdout] b9c28e597cd89cd03f3270a5df2ca9f62d726a163f5047972c7691dec2b9bf3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 804518cc27be2a50653e8d3b78ec0e98dec57199a4d434fa751f6b52fb9d65f1
[INFO] running `Command { std: "docker" "start" "-a" "804518cc27be2a50653e8d3b78ec0e98dec57199a4d434fa751f6b52fb9d65f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling debug_print v1.0.0
[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` profile [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "804518cc27be2a50653e8d3b78ec0e98dec57199a4d434fa751f6b52fb9d65f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804518cc27be2a50653e8d3b78ec0e98dec57199a4d434fa751f6b52fb9d65f1", kill_on_drop: false }`
[INFO] [stdout] 804518cc27be2a50653e8d3b78ec0e98dec57199a4d434fa751f6b52fb9d65f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 73a985bc1a306f278c47bdbca1d702821a94fc9e67d054bdc209ecdadeb155d0
[INFO] running `Command { std: "docker" "start" "-a" "73a985bc1a306f278c47bdbca1d702821a94fc9e67d054bdc209ecdadeb155d0", 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)]` (part of `#[warn(unused)]`) 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: 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: unused variable: `vec`
[INFO] [stdout]    --> src/lib.rs:192:17
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "73a985bc1a306f278c47bdbca1d702821a94fc9e67d054bdc209ecdadeb155d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a985bc1a306f278c47bdbca1d702821a94fc9e67d054bdc209ecdadeb155d0", kill_on_drop: false }`
[INFO] [stdout] 73a985bc1a306f278c47bdbca1d702821a94fc9e67d054bdc209ecdadeb155d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] a149848d796d71764b692581147fdf09d7ec74e1e873dfe1ad93042186bf1d30
[INFO] running `Command { std: "docker" "start" "-a" "a149848d796d71764b692581147fdf09d7ec74e1e873dfe1ad93042186bf1d30", 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)]` (part of `#[warn(unused)]`) 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: 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: unused variable: `vec`
[INFO] [stderr]    --> src/lib.rs:192:17
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/Maelstrom/c56d6804f26defa6/deps/Maelstrom-c56d6804f26defa6)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::test_build_broadcast_topology2 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology4 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology1 ... ok
[INFO] [stdout] test test::test_is_lower_node_id ... ok
[INFO] [stdout] test test::test_build_broadcast_topology5 ... ok
[INFO] [stdout] test test::test_build_broadcast_topology3 ... 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]         "n1": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n5": [],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n1",
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n4": {
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n0": [],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n3",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [
[INFO] [stdout]             "n1",
[INFO] [stdout]             "n3",
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n2": {
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n5",
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n1",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [],
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n5",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout]     "n5": {
[INFO] [stdout]         "n0": [],
[INFO] [stdout]         "n3": [],
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n4",
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]     },
[INFO] [stdout]     "n3": {
[INFO] [stdout]         "n2": [],
[INFO] [stdout]         "n4": [],
[INFO] [stdout]         "n1": [],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n0": [],
[INFO] [stdout]         "n5": [],
[INFO] [stdout]     },
[INFO] [stdout]     "n1": {
[INFO] [stdout]         "n4": [
[INFO] [stdout]             "n2",
[INFO] [stdout]             "n0",
[INFO] [stdout]         ],
[INFO] [stdout]         "n0": [
[INFO] [stdout]             "n2",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]         "n5": [
[INFO] [stdout]             "n0",
[INFO] [stdout]         ],
[INFO] [stdout]         "n3": [
[INFO] [stdout]             "n2",
[INFO] [stdout]         ],
[INFO] [stdout]         "n2": [
[INFO] [stdout]             "n4",
[INFO] [stdout]             "n0",
[INFO] [stdout]         ],
[INFO] [stdout]         "n1": [
[INFO] [stdout]             "n0",
[INFO] [stdout]             "n2",
[INFO] [stdout]             "n4",
[INFO] [stdout]         ],
[INFO] [stdout]     },
[INFO] [stdout] }
[INFO] [stdout] Complete Topology: {
[INFO] [stdout]     "n4": [
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n0",
[INFO] [stdout]     ],
[INFO] [stdout]     "n1": [
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n4",
[INFO] [stdout]     ],
[INFO] [stdout]     "n2": [
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n0",
[INFO] [stdout]     ],
[INFO] [stdout]     "n0": [
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n4",
[INFO] [stdout]     ],
[INFO] [stdout]     "n5": [
[INFO] [stdout]         "n3",
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n2",
[INFO] [stdout]         "n0",
[INFO] [stdout]     ],
[INFO] [stdout]     "n3": [
[INFO] [stdout]         "n1",
[INFO] [stdout]         "n5",
[INFO] [stdout]         "n0",
[INFO] [stdout]         "n4",
[INFO] [stdout]         "n2",
[INFO] [stdout]     ],
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test_build_broadcast_topology6' (22) panicked at src/lib.rs:123:9:
[INFO] [stdout] assertion failed: false
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56f488df0972 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56f488df0972 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56f488df0972 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56f488df0972 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56f488e054aa - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56f488e054aa - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x56f488df57a6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56f488df57a6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56f488dcee3f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56f488dcee3f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56f488de8ca9 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56f488d8316e - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56f488d8316e - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56f488de8e62 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56f488de8e62 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56f488dcef2a - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x56f488dc68c9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56f488dcfd4d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56f488e05bbc - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56f488e05b82 - core[8f93d80df273fe75]::panicking::panic
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x56f488d6c163 - Maelstrom[20b99212b5c3bcfc]::test::test_build_broadcast_topology6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:123:9
[INFO] [stdout]   21:     0x56f488d686d7 - Maelstrom[20b99212b5c3bcfc]::test::test_build_broadcast_topology6::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:94:40
[INFO] [stdout]   22:     0x56f488d71616 - <Maelstrom[20b99212b5c3bcfc]::test::test_build_broadcast_topology6::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56f488d7751b - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56f488d7751b - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x56f488d83d7a - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x56f488d83d7a - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x56f488d83d7a - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x56f488d83d7a - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x56f488d83d7a - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x56f488d83d7a - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x56f488d83d7a - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x56f488d7e244 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x56f488d7e244 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x56f488d86872 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x56f488d86872 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x56f488d86872 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x56f488d86872 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x56f488d86872 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x56f488d86872 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x56f488d86872 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56f488df021f - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x56f488df021f - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x7524607bfaa4 - <unknown>
[INFO] [stdout]   44:     0x75246084ca64 - clone
[INFO] [stdout]   45:                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 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a149848d796d71764b692581147fdf09d7ec74e1e873dfe1ad93042186bf1d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a149848d796d71764b692581147fdf09d7ec74e1e873dfe1ad93042186bf1d30", kill_on_drop: false }`
[INFO] [stdout] a149848d796d71764b692581147fdf09d7ec74e1e873dfe1ad93042186bf1d30
