[INFO] fetching crate mct-rs 0.4.0...
[INFO] testing mct-rs-0.4.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mct-rs 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mct-rs 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mct-rs 0.4.0
[INFO] tweaked toml for crates.io crate mct-rs 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mct-rs 0.4.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mct-rs 0.4.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.103
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.103
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.103
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.103
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.103
[INFO] [stderr]   Downloaded js-sys v0.3.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0c291ccb5b1ddcb925b940b0b54569582a3859a007bd179642535755c795a12
[INFO] running `Command { std: "docker" "start" "-a" "e0c291ccb5b1ddcb925b940b0b54569582a3859a007bd179642535755c795a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0c291ccb5b1ddcb925b940b0b54569582a3859a007bd179642535755c795a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c291ccb5b1ddcb925b940b0b54569582a3859a007bd179642535755c795a12", kill_on_drop: false }`
[INFO] [stdout] e0c291ccb5b1ddcb925b940b0b54569582a3859a007bd179642535755c795a12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2eef586edbb094a1a2131b9f55bd518ff797365dc0346f4d301295a600a99bd
[INFO] running `Command { std: "docker" "start" "-a" "a2eef586edbb094a1a2131b9f55bd518ff797365dc0346f4d301295a600a99bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mct-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/mcts.rs:131:61
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stdout]     |                                                             ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stdout] 131 +                 let expq: Vec<f64> = qvalues.iter().map(|q| (q - maxq).exp()).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a2eef586edbb094a1a2131b9f55bd518ff797365dc0346f4d301295a600a99bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2eef586edbb094a1a2131b9f55bd518ff797365dc0346f4d301295a600a99bd", kill_on_drop: false }`
[INFO] [stdout] a2eef586edbb094a1a2131b9f55bd518ff797365dc0346f4d301295a600a99bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c8566f5f1b8c1f5a0e80c89a5671a0e0ad72ed3c944c9dce716e38413b38c37
[INFO] running `Command { std: "docker" "start" "-a" "9c8566f5f1b8c1f5a0e80c89a5671a0e0ad72ed3c944c9dce716e38413b38c37", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/mcts.rs:131:61
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stdout]     |                                                             ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stdout] 131 +                 let expq: Vec<f64> = qvalues.iter().map(|q| (q - maxq).exp()).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mct-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/mcts.rs:131:61
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stdout]     |                                                             ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stdout] 131 +                 let expq: Vec<f64> = qvalues.iter().map(|q| (q - maxq).exp()).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> examples/tictactoe.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) struct TicTacToeMDP {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] 25 |     player: Player,
[INFO] [stdout] 26 |     state: TicTacToeState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TicTacToeMDP` has a derived impl for the trait `Debug`, but this is 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 variable: `state`
[INFO] [stdout]    --> src/node.rs:228:35
[INFO] [stdout]     |
[INFO] [stdout] 228 |         fn get_transitions(&self, state: &u32, action: &TestAction) -> Vec<(u32, f64)> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]    --> src/node.rs:228:48
[INFO] [stdout]     |
[INFO] [stdout] 228 |         fn get_transitions(&self, state: &u32, action: &TestAction) -> Vec<(u32, f64)> {
[INFO] [stdout]     |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/node.rs:232:30
[INFO] [stdout]     |
[INFO] [stdout] 232 |         fn get_reward(&self, state: &u32, action: &TestAction, next_state: &u32) -> f64 {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]    --> src/node.rs:232:43
[INFO] [stdout]     |
[INFO] [stdout] 232 |         fn get_reward(&self, state: &u32, action: &TestAction, next_state: &u32) -> f64 {
[INFO] [stdout]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_state`
[INFO] [stdout]    --> src/node.rs:232:64
[INFO] [stdout]     |
[INFO] [stdout] 232 |         fn get_reward(&self, state: &u32, action: &TestAction, next_state: &u32) -> f64 {
[INFO] [stdout]     |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DummyUCB` is never constructed
[INFO] [stdout]    --> src/node.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     struct DummyUCB;
[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 0.62s
[INFO] running `Command { std: "docker" "inspect" "9c8566f5f1b8c1f5a0e80c89a5671a0e0ad72ed3c944c9dce716e38413b38c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8566f5f1b8c1f5a0e80c89a5671a0e0ad72ed3c944c9dce716e38413b38c37", kill_on_drop: false }`
[INFO] [stdout] 9c8566f5f1b8c1f5a0e80c89a5671a0e0ad72ed3c944c9dce716e38413b38c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f070e6b796f08b774996ff0ff2ea5a2b59822ceb7bb8c1abc6f88588b7b602b3
[INFO] running `Command { std: "docker" "start" "-a" "f070e6b796f08b774996ff0ff2ea5a2b59822ceb7bb8c1abc6f88588b7b602b3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/mcts.rs:131:61
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stderr]     |                                                             ^                ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 131 -                 let expq: Vec<f64> = qvalues.iter().map(|q| ((q - maxq).exp())).collect();
[INFO] [stderr] 131 +                 let expq: Vec<f64> = qvalues.iter().map(|q| (q - maxq).exp()).collect();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/node.rs:228:35
[INFO] [stderr]     |
[INFO] [stderr] 228 |         fn get_transitions(&self, state: &u32, action: &TestAction) -> Vec<(u32, f64)> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]    --> src/node.rs:228:48
[INFO] [stderr]     |
[INFO] [stderr] 228 |         fn get_transitions(&self, state: &u32, action: &TestAction) -> Vec<(u32, f64)> {
[INFO] [stderr]     |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/node.rs:232:30
[INFO] [stderr]     |
[INFO] [stderr] 232 |         fn get_reward(&self, state: &u32, action: &TestAction, next_state: &u32) -> f64 {
[INFO] [stderr]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]    --> src/node.rs:232:43
[INFO] [stderr]     |
[INFO] [stderr] 232 |         fn get_reward(&self, state: &u32, action: &TestAction, next_state: &u32) -> f64 {
[INFO] [stderr]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next_state`
[INFO] [stderr]    --> src/node.rs:232:64
[INFO] [stderr]     |
[INFO] [stderr] 232 |         fn get_reward(&self, state: &u32, action: &TestAction, next_state: &u32) -> f64 {
[INFO] [stderr]     |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_state`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DummyUCB` is never constructed
[INFO] [stderr]    --> src/node.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |     struct DummyUCB;
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mct-rs` (lib) generated 1 warning (run `cargo fix --lib -p mct-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `mct-rs` (lib test) generated 7 warnings (1 duplicate)
[INFO] [stderr] warning: field `state` is never read
[INFO] [stderr]   --> examples/tictactoe.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub(crate) struct TicTacToeMDP {
[INFO] [stderr]    |                   ------------ field in this struct
[INFO] [stderr] 25 |     player: Player,
[INFO] [stderr] 26 |     state: TicTacToeState,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TicTacToeMDP` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mct-rs` (example "tictactoe") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mct_rs-5761a0d32dfacb29)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test node::tests::test_back_propagate_increments_visits ... ok
[INFO] [stdout] test node::tests::test_expand_terminal_returns_self ... ok
[INFO] [stdout] test node::tests::test_node_new ... ok
[INFO] [stdout] test node::tests::test_select_returns_terminal_node ... ok
[INFO] [stdout] test node::tests::test_expand_adds_one_child ... ok
[INFO] [stdout] test node::tests::test_get_outcome_child_returns_existing_child ... ok
[INFO] [stdout] test node::tests::test_is_full_expanded ... ok
[INFO] [stdout] test node::tests::test_get_outcome_child_adds_new_child ... ok
[INFO] [stdout] test node::tests::test_select_traverses_fully_expanded ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- node::tests::test_select_traverses_fully_expanded stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'node::tests::test_select_traverses_fully_expanded' (32) panicked at src/node.rs:377:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 2
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ae387690742 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ae387690742 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ae387690742 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ae387690742 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ae3876a0eef - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ae3876a0eef - core::fmt::write::hecf68a131630c74d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5ae38765dc91 - std::io::default_write_fmt::ha6b238eff7f0ef8a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ae38765dc91 - std::io::Write::write_fmt::h9846fe3d2a36c1ea
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ae387669d62 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ae38766e8af - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ae38766e741 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ae38762cf6e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8126f8384f98101
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5ae38762cf6e - test::test_main_with_exit_callback::{{closure}}::hae96ae0cd2f2ce70
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ae38766ef6f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha703f6686c81d0c6
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5ae38766ef6f - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ae38766edca - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5ae387669e99 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ae3876522cd - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ae3876a88d0 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5ae3876a86d3 - core::panicking::assert_failed_inner::h1c85740028aaa416
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5ae3876062bc - core::panicking::assert_failed::h79fc17a248fdbed9
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5ae387602fe3 - mct_rs::node::tests::test_select_traverses_fully_expanded::h38c1e2c60b079af4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:377:9
[INFO] [stdout]   22:     0x5ae3876031c7 - mct_rs::node::tests::test_select_traverses_fully_expanded::{{closure}}::h52a697cb9fdd3bf3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:357:46
[INFO] [stdout]   23:     0x5ae3876092a6 - core::ops::function::FnOnce::call_once::h2be5a632cf63d9fe
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ae38762cd4b - core::ops::function::FnOnce::call_once::h8f50ae93d93b62b4
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ae38762cd4b - test::__rust_begin_short_backtrace::h447963718d05a644
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5ae387642985 - test::run_test_in_process::{{closure}}::hf890ba4755ca86c0
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5ae387642985 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h31e4b2860e583faa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5ae387642985 - std::panicking::catch_unwind::do_call::hec7cdbbe797e2cab
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5ae387642985 - std::panicking::catch_unwind::h24d3b93458b5ba67
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5ae387642985 - std::panic::catch_unwind::h46eeec7cf9c9336c
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ae387642985 - test::run_test_in_process::h290de6e559006104
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5ae387642985 - test::run_test::{{closure}}::h26eeb2c5f7e9a995
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5ae387619184 - test::run_test::{{closure}}::h85af00882daabeaa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5ae387619184 - std::sys::backtrace::__rust_begin_short_backtrace::h9d9305dda51fa5f2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5ae38761cb2a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc6aada8b43f0527b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5ae38761cb2a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha89fe5505c1206f5
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5ae38761cb2a - std::panicking::catch_unwind::do_call::he3e0bef721d99583
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5ae38761cb2a - std::panicking::catch_unwind::ha8241964d3d773cd
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5ae38761cb2a - std::panic::catch_unwind::ha8554bc7696cae72
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ae38761cb2a - std::thread::Builder::spawn_unchecked_::{{closure}}::he06f1f62b4c90f8d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5ae38761cb2a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha7fd20ecae19b9b9
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ae38766508f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5ae38766508f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7ad424e9daa4 - <unknown>
[INFO] [stdout]   45:     0x7ad424f2aa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     node::tests::test_select_traverses_fully_expanded
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f070e6b796f08b774996ff0ff2ea5a2b59822ceb7bb8c1abc6f88588b7b602b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f070e6b796f08b774996ff0ff2ea5a2b59822ceb7bb8c1abc6f88588b7b602b3", kill_on_drop: false }`
[INFO] [stdout] f070e6b796f08b774996ff0ff2ea5a2b59822ceb7bb8c1abc6f88588b7b602b3
