[INFO] cloning repository https://github.com/jason-ash/whimsy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jason-ash/whimsy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjason-ash%2Fwhimsy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjason-ash%2Fwhimsy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cac6b452a6d4223a3bb7223471b773f5375b067a
[INFO] testing jason-ash/whimsy against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjason-ash%2Fwhimsy" "/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/jason-ash/whimsy
[INFO] finished tweaking git repo https://github.com/jason-ash/whimsy
[INFO] tweaked toml for git repo https://github.com/jason-ash/whimsy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jason-ash/whimsy on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jason-ash/whimsy 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46142fcac45a6d01299c65449478b5ed96e5adea9c24ce67c260f52992d71998
[INFO] running `Command { std: "docker" "start" "-a" "46142fcac45a6d01299c65449478b5ed96e5adea9c24ce67c260f52992d71998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46142fcac45a6d01299c65449478b5ed96e5adea9c24ce67c260f52992d71998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46142fcac45a6d01299c65449478b5ed96e5adea9c24ce67c260f52992d71998", kill_on_drop: false }`
[INFO] [stdout] 46142fcac45a6d01299c65449478b5ed96e5adea9c24ce67c260f52992d71998
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5ded0a35c8c14ce2451fab0695f97c7cd6d48c09f7d18df11bff3b53a12eda3
[INFO] running `Command { std: "docker" "start" "-a" "b5ded0a35c8c14ce2451fab0695f97c7cd6d48c09f7d18df11bff3b53a12eda3", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling wordle v0.1.0 (/opt/rustwide/workdir/wordle)
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling digit-party v0.1.0 (/opt/rustwide/workdir/digit-party)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> digit-party/src/agent/mcts.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Outgoing`
[INFO] [stdout]  --> digit-party/src/agent/mcts.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Direction::{Incoming, Outgoing},
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> common/src/collections/tree.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> common/src/collections/tree.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling connect-four v0.1.0 (/opt/rustwide/workdir/connect-four)
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir/tic-tac-toe)
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn step(&mut self, game: &GameState) -> usize {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[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: unused variable: `state`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn step(&mut self, state: &GameState) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bfs`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bfs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> connect-four/src/board.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut score = (Checker::default(), 0.0);
[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: field `previous_move` is never read
[INFO] [stdout]  --> connect-four/src/board.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Game {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 6 |     board: Board<Option<Checker>>,
[INFO] [stdout] 7 |     previous_move: Option<(Checker, usize)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]  --> tic-tac-toe/src/main.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tic_tac_toe::{Game, Player};
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "b5ded0a35c8c14ce2451fab0695f97c7cd6d48c09f7d18df11bff3b53a12eda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ded0a35c8c14ce2451fab0695f97c7cd6d48c09f7d18df11bff3b53a12eda3", kill_on_drop: false }`
[INFO] [stdout] b5ded0a35c8c14ce2451fab0695f97c7cd6d48c09f7d18df11bff3b53a12eda3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5656bd02989395631ae60dd2e2f4968d160157ec71554d669fe0da2e933a2b6
[INFO] running `Command { std: "docker" "start" "-a" "b5656bd02989395631ae60dd2e2f4968d160157ec71554d669fe0da2e933a2b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordle v0.1.0 (/opt/rustwide/workdir/wordle)
[INFO] [stderr]    Compiling digit-party v0.1.0 (/opt/rustwide/workdir/digit-party)
[INFO] [stderr]    Compiling connect-four v0.1.0 (/opt/rustwide/workdir/connect-four)
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir/tic-tac-toe)
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> common/src/collections/tree.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> common/src/collections/tree.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> connect-four/src/board.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut score = (Checker::default(), 0.0);
[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: field `previous_move` is never read
[INFO] [stdout]  --> connect-four/src/board.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Game {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 6 |     board: Board<Option<Checker>>,
[INFO] [stdout] 7 |     previous_move: Option<(Checker, usize)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> digit-party/src/agent/mcts.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Outgoing`
[INFO] [stdout]  --> digit-party/src/agent/mcts.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Direction::{Incoming, Outgoing},
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn step(&mut self, game: &GameState) -> usize {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[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: unused variable: `state`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn step(&mut self, state: &GameState) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bfs`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bfs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]  --> tic-tac-toe/src/main.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tic_tac_toe::{Game, Player};
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> digit-party/src/agent/mcts.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> common/src/collections/tree.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Outgoing`
[INFO] [stdout]  --> digit-party/src/agent/mcts.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Direction::{Incoming, Outgoing},
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> common/src/collections/tree.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn step(&mut self, game: &GameState) -> usize {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> connect-four/src/board.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut score = (Checker::default(), 0.0);
[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]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[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: unused variable: `state`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn step(&mut self, state: &GameState) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bfs`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bfs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> digit-party/src/agent/mcts.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `previous_move` is never read
[INFO] [stdout]  --> connect-four/src/board.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Game {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 6 |     board: Board<Option<Checker>>,
[INFO] [stdout] 7 |     previous_move: Option<(Checker, usize)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 1.61s
[INFO] running `Command { std: "docker" "inspect" "b5656bd02989395631ae60dd2e2f4968d160157ec71554d669fe0da2e933a2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5656bd02989395631ae60dd2e2f4968d160157ec71554d669fe0da2e933a2b6", kill_on_drop: false }`
[INFO] [stdout] b5656bd02989395631ae60dd2e2f4968d160157ec71554d669fe0da2e933a2b6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61a0f83a2cee1d9d0db8641f85fe72e25e4f071496c0901054301d7e6ad27dc6
[INFO] running `Command { std: "docker" "start" "-a" "61a0f83a2cee1d9d0db8641f85fe72e25e4f071496c0901054301d7e6ad27dc6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> common/src/collections/tree.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> common/src/collections/tree.rs:35:40
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn uct(&self, node: NodeIndex, c: f64) -> Option<f64> {
[INFO] [stderr]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> digit-party/src/agent/mcts.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 |     error::{Error, Result},
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Outgoing`
[INFO] [stderr]  --> digit-party/src/agent/mcts.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Direction::{Incoming, Outgoing},
[INFO] [stderr]   |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]   --> digit-party/src/agent/mcts.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::cmp::Ordering;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game`
[INFO] [stderr]   --> digit-party/src/agent/mcts.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn step(&mut self, game: &GameState) -> usize {
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[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: unused variable: `state`
[INFO] [stderr]   --> digit-party/src/agent/mcts.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn step(&mut self, state: &GameState) {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bfs`
[INFO] [stderr]   --> digit-party/src/agent/mcts.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut bfs = Bfs::new(&self.graph, node_index(0));
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bfs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]   --> digit-party/src/agent/mcts.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stderr]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> digit-party/src/agent/mcts.rs:56:46
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn select(&self, node_id: NodeIndex, c: f32) -> Result<NodeIndex> {
[INFO] [stderr]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: `common` (lib) generated 2 warnings (run `cargo fix --lib -p common` to apply 2 suggestions)
[INFO] [stderr] warning: `digit-party` (lib) generated 9 warnings (run `cargo fix --lib -p digit-party` to apply 9 suggestions)
[INFO] [stderr] warning: `digit-party` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: `common` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> connect-four/src/board.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let mut score = (Checker::default(), 0.0);
[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: field `previous_move` is never read
[INFO] [stderr]  --> connect-four/src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Game {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 6 |     board: Board<Option<Checker>>,
[INFO] [stderr] 7 |     previous_move: Option<(Checker, usize)>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `connect-four` (lib) generated 2 warnings (run `cargo fix --lib -p connect-four` to apply 1 suggestion)
[INFO] [stderr] warning: `connect-four` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused import: `Player`
[INFO] [stderr]  --> tic-tac-toe/src/main.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tic_tac_toe::{Game, Player};
[INFO] [stderr]   |                         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tic-tac-toe` (bin "tic-tac-toe" test) generated 1 warning (run `cargo fix --bin "tic-tac-toe" -p tic-tac-toe --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/common-a8e242d42cfeb374)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test collections::tree::tests::build_default_tree ... FAILED
[INFO] [stdout] test collections::tree::tests::expand_default_tree ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- collections::tree::tests::build_default_tree stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'collections::tree::tests::build_default_tree' (25) panicked at common/src/collections/tree.rs:322:54:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a78791386c2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a78791386c2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a78791386c2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a78791386c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a787914874f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a787914874f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5a7879106083 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a7879106083 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a7879111e22 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a787911695f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stderr] error: test failed, to rerun pass `-p common --lib`
[INFO] [stdout]   10:     0x5a78791167f1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5a78790d647e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5a78790d647e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a7879116f6f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5a7879116f6f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5a7879116d96 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5a7879111f59 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5a78790fa84d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5a7879150350 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a787915032c - core::panicking::panic::h5cbcc2ceb0950681
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5a787914f959 - core::option::unwrap_failed::hcc8888cc370d76bf
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/option.rs:2174:5
[INFO] [stdout]   21:     0x5a78790ac2ec - core::option::Option<T>::unwrap::h393056d9ce41abf2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/option.rs:1015:21
[INFO] [stdout]   22:     0x5a78790ac2ec - common::collections::tree::tests::build_default_tree::h3af634064f1f9eae
[INFO] [stdout]                                at /opt/rustwide/workdir/common/src/collections/tree.rs:322:54
[INFO] [stdout]   23:     0x5a78790ac5c7 - common::collections::tree::tests::build_default_tree::{{closure}}::h5b1f71e4fc92b25d
[INFO] [stdout]                                at /opt/rustwide/workdir/common/src/collections/tree.rs:320:28
[INFO] [stdout]   24:     0x5a78790b28d6 - core::ops::function::FnOnce::call_once::h7370457844f98fa1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a78790d627b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5a78790d627b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5a78790ea2dd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5a78790ea2dd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5a78790ea2dd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5a78790ea2dd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5a78790ea2dd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5a78790ea2dd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5a78790ea2dd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5a78790c3824 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5a78790c3824 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5a78790c707a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5a78790c707a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5a78790c707a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5a78790c707a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5a78790c707a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5a78790c707a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5a78790c707a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5a787910d35f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5a787910d35f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x7d0dc8901aa4 - <unknown>
[INFO] [stdout]   46:     0x7d0dc898ea64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- collections::tree::tests::expand_default_tree stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'collections::tree::tests::expand_default_tree' (26) panicked at common/src/collections/tree.rs:333:23:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a78791386c2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a78791386c2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a78791386c2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a78791386c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a787914874f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a787914874f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5a7879106083 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a7879106083 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a7879111e22 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a787911695f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5a78791167f1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5a78790d647e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5a78790d647e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a7879116f6f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5a7879116f6f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5a7879116d96 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5a7879111f59 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5a78790fa84d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5a7879150350 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a787915032c - core::panicking::panic::h5cbcc2ceb0950681
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5a787914f959 - core::option::unwrap_failed::hcc8888cc370d76bf
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/option.rs:2174:5
[INFO] [stdout]   21:     0x5a78790ac653 - core::option::Option<T>::unwrap::hb8294ee797b82dda
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/option.rs:1015:21
[INFO] [stdout]   22:     0x5a78790ac653 - common::collections::tree::tests::expand_default_tree::hc06f0fc1a08919e9
[INFO] [stdout]                                at /opt/rustwide/workdir/common/src/collections/tree.rs:333:23
[INFO] [stdout]   23:     0x5a78790ac867 - common::collections::tree::tests::expand_default_tree::{{closure}}::hab9051169ba2a31f
[INFO] [stdout]                                at /opt/rustwide/workdir/common/src/collections/tree.rs:331:29
[INFO] [stdout]   24:     0x5a78790b2946 - core::ops::function::FnOnce::call_once::h972b0b7f0fda242f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a78790d627b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5a78790d627b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5a78790ea2dd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5a78790ea2dd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5a78790ea2dd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5a78790ea2dd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5a78790ea2dd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5a78790ea2dd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5a78790ea2dd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5a78790c3824 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5a78790c3824 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5a78790c707a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5a78790c707a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5a78790c707a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5a78790c707a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5a78790c707a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5a78790c707a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5a78790c707a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5a787910d35f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5a787910d35f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x7d0dc8901aa4 - <unknown>
[INFO] [stdout]   46:     0x7d0dc898ea64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     collections::tree::tests::build_default_tree
[INFO] [stdout]     collections::tree::tests::expand_default_tree
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61a0f83a2cee1d9d0db8641f85fe72e25e4f071496c0901054301d7e6ad27dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a0f83a2cee1d9d0db8641f85fe72e25e4f071496c0901054301d7e6ad27dc6", kill_on_drop: false }`
[INFO] [stdout] 61a0f83a2cee1d9d0db8641f85fe72e25e4f071496c0901054301d7e6ad27dc6
