[INFO] cloning repository https://github.com/reriliv/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reriliv/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freriliv%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freriliv%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43c9294986278fb3e72f56958abb5c4ed3fdf52a
[INFO] testing reriliv/rust_study against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freriliv%2Frust_study" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reriliv/rust_study
[INFO] finished tweaking git repo https://github.com/reriliv/rust_study
[INFO] tweaked toml for git repo https://github.com/reriliv/rust_study written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reriliv/rust_study on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reriliv/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f5e48d59c67e67d4f17113b9bf438442bb27629b4fa718874c7d715c26b06fd
[INFO] running `Command { std: "docker" "start" "-a" "2f5e48d59c67e67d4f17113b9bf438442bb27629b4fa718874c7d715c26b06fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5e48d59c67e67d4f17113b9bf438442bb27629b4fa718874c7d715c26b06fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5e48d59c67e67d4f17113b9bf438442bb27629b4fa718874c7d715c26b06fd", kill_on_drop: false }`
[INFO] [stdout] 2f5e48d59c67e67d4f17113b9bf438442bb27629b4fa718874c7d715c26b06fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55285ddc258576e9d8052591cc7062713c8f3e2f41bee2e45bed16c63e86fd2b
[INFO] running `Command { std: "docker" "start" "-a" "55285ddc258576e9d8052591cc7062713c8f3e2f41bee2e45bed16c63e86fd2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::tree_data::Node`
[INFO] [stdout]   --> src/smart_pointer_15/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::tree_data::Node;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/smart_pointer_15/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tail` is never used
[INFO] [stdout]   --> src/smart_pointer_15/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl List {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 16 |     fn tail(&self) -> Option<&RefCell<Rc<List>>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Messenger` is never used
[INFO] [stdout]   --> src/smart_pointer_15/messenger.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Messenger {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LimitTracker` is never constructed
[INFO] [stdout]   --> src/smart_pointer_15/messenger.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct LimitTracker<'a, T: Messenger> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `set_value` are never used
[INFO] [stdout]   --> src/smart_pointer_15/messenger.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | / impl<'a, T> LimitTracker<'a, T>
[INFO] [stdout] 52 | | where
[INFO] [stdout] 53 | |     T: Messenger,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 54 |   {
[INFO] [stdout] 55 |       pub fn new(messenger: &'a T, max: usize) -> LimitTracker<'a, T> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |       pub fn set_value(&mut self, value: usize) {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `children` are never read
[INFO] [stdout]  --> src/smart_pointer_15/tree_data.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Node {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     pub value: i32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub parent: RefCell<Weak<Node>>,
[INFO] [stdout] 8 |     pub children: RefCell<Vec<Rc<Node>>>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "55285ddc258576e9d8052591cc7062713c8f3e2f41bee2e45bed16c63e86fd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55285ddc258576e9d8052591cc7062713c8f3e2f41bee2e45bed16c63e86fd2b", kill_on_drop: false }`
[INFO] [stdout] 55285ddc258576e9d8052591cc7062713c8f3e2f41bee2e45bed16c63e86fd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c8b4fe0e51ccefc85f211ac81db7dd6c521e7176b4b252fbc4ccfad17a0427
[INFO] running `Command { std: "docker" "start" "-a" "e5c8b4fe0e51ccefc85f211ac81db7dd6c521e7176b4b252fbc4ccfad17a0427", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::tree_data::Node`
[INFO] [stdout]   --> src/smart_pointer_15/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::tree_data::Node;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/smart_pointer_15/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tail` is never used
[INFO] [stdout]   --> src/smart_pointer_15/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl List {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 16 |     fn tail(&self) -> Option<&RefCell<Rc<List>>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `children` are never read
[INFO] [stdout]  --> src/smart_pointer_15/tree_data.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Node {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     pub value: i32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub parent: RefCell<Weak<Node>>,
[INFO] [stdout] 8 |     pub children: RefCell<Vec<Rc<Node>>>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e5c8b4fe0e51ccefc85f211ac81db7dd6c521e7176b4b252fbc4ccfad17a0427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c8b4fe0e51ccefc85f211ac81db7dd6c521e7176b4b252fbc4ccfad17a0427", kill_on_drop: false }`
[INFO] [stdout] e5c8b4fe0e51ccefc85f211ac81db7dd6c521e7176b4b252fbc4ccfad17a0427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ffb6bf82b817100c29247833d5bb7fbce65bb2bae410236c2348df8cc5f380c
[INFO] running `Command { std: "docker" "start" "-a" "2ffb6bf82b817100c29247833d5bb7fbce65bb2bae410236c2348df8cc5f380c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::tree_data::Node`
[INFO] [stderr]   --> src/smart_pointer_15/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use self::tree_data::Node;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `List` is never used
[INFO] [stderr]   --> src/smart_pointer_15/mod.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum List {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `tail` is never used
[INFO] [stderr]   --> src/smart_pointer_15/mod.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl List {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 16 |     fn tail(&self) -> Option<&RefCell<Rc<List>>> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value` and `children` are never read
[INFO] [stderr]  --> src/smart_pointer_15/tree_data.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Node {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 6 |     pub value: i32,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 7 |     pub parent: RefCell<Weak<Node>>,
[INFO] [stderr] 8 |     pub children: RefCell<Vec<Rc<Node>>>,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_study` (bin "rust_study" test) generated 4 warnings (run `cargo fix --bin "rust_study" -p rust_study --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_study-8e01472c645d1c49)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smart_pointer_15::messenger::tests::it_sends_an_over_75_percent_warning_message ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- smart_pointer_15::messenger::tests::it_sends_an_over_75_percent_warning_message stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'smart_pointer_15::messenger::tests::it_sends_an_over_75_percent_warning_message' (25) panicked at src/smart_pointer_15/messenger.rs:23:53:
[INFO] [stdout] RefCell already borrowed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59a75300052a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59a75300052a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59a75300052a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59a75300052a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59a7530141ca - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59a7530141ca - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x59a753004db2 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59a753004db2 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59a752fdf73f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59a752fdf73f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59a752ff8a99 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59a752f95afc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x59a752f95afc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59a752ff8c52 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x59a752ff8c52 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59a752fdf7f8 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59a752fd7199 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59a752fe050d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59a753014a0c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59a7530146ff - core[10b6fa85044e1869]::cell::panic_already_borrowed::do_panic::runtime
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic.rs:172:21
[INFO] [stdout]   20:     0x59a7530146ff - core[10b6fa85044e1869]::cell::panic_already_borrowed::do_panic
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/intrinsics/mod.rs:2447:9
[INFO] [stdout]   21:     0x59a7530146ff - core[10b6fa85044e1869]::cell::panic_already_borrowed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic.rs:177:9
[INFO] [stdout]   22:     0x59a752f89013 - core::cell::RefCell<T>::borrow_mut::hfef8e5905a124d45
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/cell.rs:1224:25
[INFO] [stdout]   23:     0x59a752f888d5 - <rust_study::smart_pointer_15::messenger::tests::MockMessenger as rust_study::smart_pointer_15::messenger::Messenger>::send::h949cf4cf1d987f7f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/smart_pointer_15/messenger.rs:23:53
[INFO] [stdout]   24:     0x59a752f8865e - rust_study::smart_pointer_15::messenger::LimitTracker<T>::set_value::h0526e737c1e1cc7a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/smart_pointer_15/messenger.rs:74:18
[INFO] [stdout]   25:     0x59a752f88720 - rust_study::smart_pointer_15::messenger::tests::it_sends_an_over_75_percent_warning_message::h1f409fb505015c15
[INFO] [stdout]                                at /opt/rustwide/workdir/src/smart_pointer_15/messenger.rs:35:23
[INFO] [stdout]   26:     0x59a752f88847 - rust_study::smart_pointer_15::messenger::tests::it_sends_an_over_75_percent_warning_message::{{closure}}::hc902d00bfc2e7a33
[INFO] [stdout]                                at /opt/rustwide/workdir/src/smart_pointer_15/messenger.rs:31:53
[INFO] [stdout]   27:     0x59a752f88ad6 - core::ops::function::FnOnce::call_once::h86b50a3bb8ef9c37
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x59a752f89bdb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x59a752f89bdb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x59a752f965cb - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x59a752f965cb - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x59a752f965cb - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_study`
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x59a752f965cb - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x59a752f965cb - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x59a752f965cb - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x59a752f965cb - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x59a752f91ce4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x59a752f91ce4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x59a752f991d2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x59a752f991d2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x59a752f991d2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x59a752f991d2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x59a752f991d2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x59a752f991d2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x59a752f991d2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x59a752fffe3f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   47:     0x59a752fffe3f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   48:     0x7946cb56caa4 - <unknown>
[INFO] [stdout]   49:     0x7946cb5f9a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     smart_pointer_15::messenger::tests::it_sends_an_over_75_percent_warning_message
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ffb6bf82b817100c29247833d5bb7fbce65bb2bae410236c2348df8cc5f380c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffb6bf82b817100c29247833d5bb7fbce65bb2bae410236c2348df8cc5f380c", kill_on_drop: false }`
[INFO] [stdout] 2ffb6bf82b817100c29247833d5bb7fbce65bb2bae410236c2348df8cc5f380c
