[INFO] cloning repository https://github.com/ntmck/ecstatic_system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ntmck/ecstatic_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntmck%2Fecstatic_system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntmck%2Fecstatic_system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ebd3b89a67849563acb2f1df84667efcbcf711d
[INFO] testing ntmck/ecstatic_system against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntmck%2Fecstatic_system" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ntmck/ecstatic_system on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ntmck/ecstatic_system
[INFO] finished tweaking git repo https://github.com/ntmck/ecstatic_system
[INFO] tweaked toml for git repo https://github.com/ntmck/ecstatic_system written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ntmck/ecstatic_system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4f1f65653aefc1ea5997f544c4f557010b06387444391160dbdeee96cb44b3a
[INFO] running `Command { std: "docker" "start" "-a" "c4f1f65653aefc1ea5997f544c4f557010b06387444391160dbdeee96cb44b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f1f65653aefc1ea5997f544c4f557010b06387444391160dbdeee96cb44b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f1f65653aefc1ea5997f544c4f557010b06387444391160dbdeee96cb44b3a", kill_on_drop: false }`
[INFO] [stdout] c4f1f65653aefc1ea5997f544c4f557010b06387444391160dbdeee96cb44b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a02bf28b1267c8a02fad184b0ad614c866f033df2a4626ad11a7f9cbeab6cad
[INFO] running `Command { std: "docker" "start" "-a" "1a02bf28b1267c8a02fad184b0ad614c866f033df2a4626ad11a7f9cbeab6cad", kill_on_drop: false }`
[INFO] [stderr]    Compiling ecstatic_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RecvError`
[INFO] [stdout]  --> src/lib.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc::{SyncSender, Receiver, RecvError};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]   --> src/lib.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn register_static<'a: 'static, T: Any + Send + Sync>(&mut self, category: &str, data: &'a T, f: fn(Arc<&'a T>)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]   --> src/lib.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn static_system_create<'a: 'static, T: Any + Send + Sync>(&self, data: &'a T, f: fn(Arc<&'a T>)) -> ThreadHandle {
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             th.sx.as_ref().unwrap().send(());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 handle.join_handle.take().unwrap().join();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "1a02bf28b1267c8a02fad184b0ad614c866f033df2a4626ad11a7f9cbeab6cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a02bf28b1267c8a02fad184b0ad614c866f033df2a4626ad11a7f9cbeab6cad", kill_on_drop: false }`
[INFO] [stdout] 1a02bf28b1267c8a02fad184b0ad614c866f033df2a4626ad11a7f9cbeab6cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbc4ac754135e34949c4221bfeeb0840b58583a4ae72a569824acf10aada5950
[INFO] running `Command { std: "docker" "start" "-a" "fbc4ac754135e34949c4221bfeeb0840b58583a4ae72a569824acf10aada5950", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `RecvError`
[INFO] [stdout]  --> src/lib.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc::{SyncSender, Receiver, RecvError};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ecstatic_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]   --> src/lib.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn register_static<'a: 'static, T: Any + Send + Sync>(&mut self, category: &str, data: &'a T, f: fn(Arc<&'a T>)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]   --> src/lib.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn static_system_create<'a: 'static, T: Any + Send + Sync>(&self, data: &'a T, f: fn(Arc<&'a T>)) -> ThreadHandle {
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             th.sx.as_ref().unwrap().send(());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 handle.join_handle.take().unwrap().join();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RecvError`
[INFO] [stdout]  --> src/lib.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc::{SyncSender, Receiver, RecvError};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use std::sync::mpsc;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `RecvError`, `SyncSender`
[INFO] [stdout]    --> src/lib.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use std::sync::mpsc::{SyncSender, Receiver, RecvError};
[INFO] [stdout]     |                           ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]   --> src/lib.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn register_static<'a: 'static, T: Any + Send + Sync>(&mut self, category: &str, data: &'a T, f: fn(Arc<&'a T>)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]   --> src/lib.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn static_system_create<'a: 'static, T: Any + Send + Sync>(&self, data: &'a T, f: fn(Arc<&'a T>)) -> ThreadHandle {
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         for i in 0..100 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             th.sx.as_ref().unwrap().send(());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 handle.join_handle.take().unwrap().join();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |             th.sx.as_ref().unwrap().send(());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         th.join_handle.unwrap().join(); //wait for thread to finish the buffered work in the channel. thread is cleaned up afterwards.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "fbc4ac754135e34949c4221bfeeb0840b58583a4ae72a569824acf10aada5950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc4ac754135e34949c4221bfeeb0840b58583a4ae72a569824acf10aada5950", kill_on_drop: false }`
[INFO] [stdout] fbc4ac754135e34949c4221bfeeb0840b58583a4ae72a569824acf10aada5950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 524970deca8d26442406ec91c46929d9eecfff544a8dea0771e015f573acdb3c
[INFO] running `Command { std: "docker" "start" "-a" "524970deca8d26442406ec91c46929d9eecfff544a8dea0771e015f573acdb3c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `RecvError`
[INFO] [stderr]  --> src/lib.rs:9:45
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::mpsc::{SyncSender, Receiver, RecvError};
[INFO] [stderr]   |                                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary lifetime parameter `'a`
[INFO] [stderr]   --> src/lib.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn register_static<'a: 'static, T: Any + Send + Sync>(&mut self, category: &str, data: &'a T, f: fn(Arc<&'a T>)) {
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary lifetime parameter `'a`
[INFO] [stderr]   --> src/lib.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn static_system_create<'a: 'static, T: Any + Send + Sync>(&self, data: &'a T, f: fn(Arc<&'a T>)) -> ThreadHandle {
[INFO] [stderr]    |                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             th.sx.as_ref().unwrap().send(());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 handle.join_handle.take().unwrap().join();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `ecstatic_system` (lib) generated 5 warnings
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use std::sync::mpsc;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]    --> src/lib.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | mod tests {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `RecvError`, `SyncSender`
[INFO] [stderr]    --> src/lib.rs:107:27
[INFO] [stderr]     |
[INFO] [stderr] 107 |     use std::sync::mpsc::{SyncSender, Receiver, RecvError};
[INFO] [stderr]     |                           ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]    --> src/lib.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | mod tests {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |         for i in 0..100 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             th.sx.as_ref().unwrap().send(());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         th.join_handle.unwrap().join(); //wait for thread to finish the buffered work in the channel. thread is cleaned up afterwards.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `ecstatic_system` (lib test) generated 10 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ecstatic_system-879866ef9a0c4262)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_signal_category ... ok
[INFO] [stdout] test tests::test_static_system_create ... ok
[INFO] [stdout] test tests::test_register_system_and_signals ... ok
[INFO] [stdout] test tests::test_register_multiple_systems ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ecstatic_system
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "524970deca8d26442406ec91c46929d9eecfff544a8dea0771e015f573acdb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524970deca8d26442406ec91c46929d9eecfff544a8dea0771e015f573acdb3c", kill_on_drop: false }`
[INFO] [stdout] 524970deca8d26442406ec91c46929d9eecfff544a8dea0771e015f573acdb3c