[INFO] fetching crate mct-rs 0.4.1...
[INFO] testing mct-rs-0.4.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate mct-rs 0.4.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mct-rs 0.4.1
[INFO] finished tweaking crates.io crate mct-rs 0.4.1
[INFO] tweaked toml for crates.io crate mct-rs 0.4.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mct-rs 0.4.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mct-rs 0.4.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uniffi_pipeline v0.31.2
[INFO] [stderr]   Downloaded uniffi_internal_macros v0.31.2
[INFO] [stderr]   Downloaded uniffi v0.31.2
[INFO] [stderr]   Downloaded unicode-ident v1.0.19
[INFO] [stderr]   Downloaded tempfile v3.23.0
[INFO] [stderr]   Downloaded textwrap v0.16.2
[INFO] [stderr]   Downloaded scroll_derive v0.12.1
[INFO] [stderr]   Downloaded fs-err v2.11.0
[INFO] [stderr]   Downloaded smawk v0.3.3
[INFO] [stderr]   Downloaded uniffi_meta v0.31.2
[INFO] [stderr]   Downloaded toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]   Downloaded uniffi_udl v0.31.2
[INFO] [stderr]   Downloaded weedle2 v5.0.0
[INFO] [stderr]   Downloaded cargo_metadata v0.19.2
[INFO] [stderr]   Downloaded camino v1.2.3
[INFO] [stderr]   Downloaded askama v0.14.0
[INFO] [stderr]   Downloaded askama_parser v0.14.0
[INFO] [stderr]   Downloaded toml v0.9.12+spec-1.1.0
[INFO] [stderr]   Downloaded uniffi_core v0.31.2
[INFO] [stderr]   Downloaded basic-toml v0.1.10
[INFO] [stderr]   Downloaded askama_derive v0.14.0
[INFO] [stderr]   Downloaded uniffi_macros v0.31.2
[INFO] [stderr]   Downloaded goblin v0.8.2
[INFO] [stderr]   Downloaded uniffi_bindgen v0.31.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2
[INFO] running `Command { std: "docker" "start" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mct-rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:128:62
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let maxq = qvalues.iter().copied().fold(f64::NEG_INFINITY, f64::max);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MIN_POSITIVE`: replaced by the `MIN_POSITIVE` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:132:61
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let sum = expq.iter().sum::<f64>().max(f64::MIN_POSITIVE);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:151:38
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let mut bestq = f64::NEG_INFINITY;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/ucb1.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut max_value = f64::NEG_INFINITY;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling mct-rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:128:62
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let maxq = qvalues.iter().copied().fold(f64::NEG_INFINITY, f64::max);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MIN_POSITIVE`: replaced by the `MIN_POSITIVE` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:132:61
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let sum = expq.iter().sum::<f64>().max(f64::MIN_POSITIVE);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:151:38
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let mut bestq = f64::NEG_INFINITY;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/ucb1.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut max_value = f64::NEG_INFINITY;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:128:62
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let maxq = qvalues.iter().copied().fold(f64::NEG_INFINITY, f64::max);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MIN_POSITIVE`: replaced by the `MIN_POSITIVE` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:132:61
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let sum = expq.iter().sum::<f64>().max(f64::MIN_POSITIVE);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]    --> src/mcts.rs:151:38
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let mut bestq = f64::NEG_INFINITY;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/ucb1.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut max_value = f64::NEG_INFINITY;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stderr]    --> src/mcts.rs:128:62
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 let maxq = qvalues.iter().copied().fold(f64::NEG_INFINITY, f64::max);
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::f64::MIN_POSITIVE`: replaced by the `MIN_POSITIVE` associated constant on `f64`
[INFO] [stderr]    --> src/mcts.rs:132:61
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 let sum = expq.iter().sum::<f64>().max(f64::MIN_POSITIVE);
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stderr]    --> src/mcts.rs:151:38
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 let mut bestq = f64::NEG_INFINITY;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::f64::NEG_INFINITY`: replaced by the `NEG_INFINITY` associated constant on `f64`
[INFO] [stderr]   --> src/ucb1.rs:32:34
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut max_value = f64::NEG_INFINITY;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mct-rs` (lib) generated 4 warnings
[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 test) generated 10 warnings (4 duplicates) (run `cargo fix --lib -p mct-rs --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mct_rs-1537ce9c5fb75ba8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test node::tests::test_back_propagate_increments_visits ... ok
[INFO] [stdout] test node::tests::test_is_full_expanded ... ok
[INFO] [stdout] test node::tests::test_get_outcome_child_returns_existing_child ... ok
[INFO] [stdout] test node::tests::test_select_returns_terminal_node ... ok
[INFO] [stdout] test node::tests::test_expand_terminal_returns_self ... ok
[INFO] [stdout] test node::tests::test_expand_adds_one_child ... ok
[INFO] [stdout] test node::tests::test_node_new ... 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' (200) 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:     0x57e0d9a0ae51 - std[70759c8f55707aa4]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57e0d9a0ae51 - std[70759c8f55707aa4]::backtrace_rs::backtrace::trace_unsynchronized::<std[70759c8f55707aa4]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57e0d9a0ae51 - std[70759c8f55707aa4]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x57e0d9a0ae51 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x57e0d9a1f46a - <core[df12db4294e9bfd3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57e0d9a1f46a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    6:     0x57e0d9a0f2ec - core[df12db4294e9bfd3]::io::write::default_write_fmt::<alloc[2182bb758b4b3781]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:402:11
[INFO] [stdout]    7:     0x57e0d9a0f2ec - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:335:13
[INFO] [stdout]    8:     0x57e0d99e7446 - <std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x57e0d99e7446 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57e0d9a035b9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x57e0d999d810 - <alloc[2182bb758b4b3781]::boxed::Box<dyn for<'a, 'b> core[df12db4294e9bfd3]::ops::function::Fn<(&'a std[70759c8f55707aa4]::panic::PanicHookInfo<'b>,), Output = ()> + core[df12db4294e9bfd3]::marker::Send + core[df12db4294e9bfd3]::marker::Sync> as core[df12db4294e9bfd3]::ops::function::Fn<(&std[70759c8f55707aa4]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/boxed.rs:2334:9
[INFO] [stdout]   12:     0x57e0d999d810 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x57e0d9a03772 - <alloc[2182bb758b4b3781]::boxed::Box<dyn for<'a, 'b> core[df12db4294e9bfd3]::ops::function::Fn<(&'a std[70759c8f55707aa4]::panic::PanicHookInfo<'b>,), Output = ()> + core[df12db4294e9bfd3]::marker::Send + core[df12db4294e9bfd3]::marker::Sync> as core[df12db4294e9bfd3]::ops::function::Fn<(&std[70759c8f55707aa4]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/boxed.rs:2334:9
[INFO] [stdout]   14:     0x57e0d9a03772 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x57e0d99e74f2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x57e0d99e0279 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x57e0d99e80ed - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x57e0d9a1fc2c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x57e0d9a1fae3 - core[df12db4294e9bfd3]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:452:17
[INFO] [stdout]   20:     0x57e0d99dfe4a - core[df12db4294e9bfd3]::panicking::assert_failed::<u32, u32>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:407:5
[INFO] [stdout]   21:     0x57e0d998c781 - mct_rs[56efc9ef3c0150fe]::node::tests::test_select_traverses_fully_expanded
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:377:9
[INFO] [stdout]   22:     0x57e0d9988597 - mct_rs[56efc9ef3c0150fe]::node::tests::test_select_traverses_fully_expanded::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:357:46
[INFO] [stdout]   23:     0x57e0d9990906 - <mct_rs[56efc9ef3c0150fe]::node::tests::test_select_traverses_fully_expanded::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57e0d9990afb - <fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57e0d9990afb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:733:18
[INFO] [stdout]   26:     0x57e0d999e165 - test[9d35eded1c95d3be]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:756:74
[INFO] [stdout]   27:     0x57e0d999e165 - <core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x57e0d999e165 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}>, core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   29:     0x57e0d999e165 - std[70759c8f55707aa4]::panicking::catch_unwind::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x57e0d999e165 - std[70759c8f55707aa4]::panic::catch_unwind::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}>, core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57e0d999e165 - test[9d35eded1c95d3be]::run_test_in_process
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:756:27
[INFO] [stdout]   32:     0x57e0d999e165 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:677:43
[INFO] [stdout]   33:     0x57e0d9997a24 - test[9d35eded1c95d3be]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:707:41
[INFO] [stdout]   34:     0x57e0d9997a24 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x57e0d99a12c2 - std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x57e0d99a12c2 - <core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x57e0d99a12c2 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   38:     0x57e0d99a12c2 - std[70759c8f55707aa4]::panicking::catch_unwind::<(), core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x57e0d99a12c2 - std[70759c8f55707aa4]::panic::catch_unwind::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57e0d99a12c2 - std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x57e0d99a12c2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57e0d9a0a729 - <alloc[2182bb758b4b3781]::boxed::Box<dyn core[df12db4294e9bfd3]::ops::function::FnOnce<(), Output = ()> + core[df12db4294e9bfd3]::marker::Send> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/boxed.rs:2320:9
[INFO] [stdout]   43:     0x57e0d9a0a729 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   44:     0x7e4ea3a03dfa - <unknown>
[INFO] [stdout]   45:     0x7e4ea3a973d4 - 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" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2", kill_on_drop: false }`
[INFO] [stdout] 83f051eedab372f3396bdfe3e3fb2e605f8c88c06d7e5a2393454e73b39bc4e2
