[INFO] cloning repository https://github.com/rooat/RustLearnSource [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rooat/RustLearnSource" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frooat%2FRustLearnSource", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frooat%2FRustLearnSource'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6eccb668d062612f65adb22a1781265f5b94517f [INFO] testing rooat/RustLearnSource against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frooat%2FRustLearnSource" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rooat/RustLearnSource on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rooat/RustLearnSource [INFO] finished tweaking git repo https://github.com/rooat/RustLearnSource [INFO] tweaked toml for git repo https://github.com/rooat/RustLearnSource written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/rooat/RustLearnSource already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] b4bf1c623da2ca6db5bc25e3bfe043e1b02dcf1fd69daefd526725a22e0a1e8f [INFO] running `Command { std: "docker" "start" "-a" "b4bf1c623da2ca6db5bc25e3bfe043e1b02dcf1fd69daefd526725a22e0a1e8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4bf1c623da2ca6db5bc25e3bfe043e1b02dcf1fd69daefd526725a22e0a1e8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4bf1c623da2ca6db5bc25e3bfe043e1b02dcf1fd69daefd526725a22e0a1e8f", kill_on_drop: false }` [INFO] [stdout] b4bf1c623da2ca6db5bc25e3bfe043e1b02dcf1fd69daefd526725a22e0a1e8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c74441d67dcf5281a312a09f942de78c75b462209e671c59da0dbcb95e78875b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c74441d67dcf5281a312a09f942de78c75b462209e671c59da0dbcb95e78875b", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling tokio v0.2.4 [INFO] [stderr] Compiling const-random-macro v0.1.6 [INFO] [stderr] Compiling const-random v0.1.6 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling ahash v0.2.18 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling trust-dns-proto v0.7.4 [INFO] [stderr] Compiling actix-threadpool v0.1.2 [INFO] [stderr] Compiling trust-dns-resolver v0.11.1 [INFO] [stderr] Compiling actix-rt v0.2.6 [INFO] [stderr] Compiling actix-connect v0.2.5 [INFO] [stderr] Compiling actix-http v0.2.11 [INFO] [stderr] Compiling actix v0.8.3 [INFO] [stderr] Compiling RustLearnSource v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/thread0.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | oent.join(); [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/bin/thread0.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | twoto.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/bin/thread1.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | sends.send(a_str); [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/bin/thread1.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | sends.send(b_str); [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: crate `asyncTest` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `async_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `c_struct` should have an upper camel case name [INFO] [stdout] --> src/bin/actor.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct c_struct { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `CStruct` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/bin/actor.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | fn started(&mut self, ctx: &mut Self::Context){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/bin/actor.rs:42:40 [INFO] [stdout] | [INFO] [stdout] 42 | fn handle(&mut self, msg: CMesage, ctx: &mut Context) -> Self::Result{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/actor.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | system.run(); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.32s [INFO] running `Command { std: "docker" "inspect" "c74441d67dcf5281a312a09f942de78c75b462209e671c59da0dbcb95e78875b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c74441d67dcf5281a312a09f942de78c75b462209e671c59da0dbcb95e78875b", kill_on_drop: false }` [INFO] [stdout] c74441d67dcf5281a312a09f942de78c75b462209e671c59da0dbcb95e78875b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e96e678472c9517c4959ba346f337b82ab9c24d4111d5c9ab3e8c04ab8bda97c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e96e678472c9517c4959ba346f337b82ab9c24d4111d5c9ab3e8c04ab8bda97c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling RustLearnSource v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/thread0.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | oent.join(); [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/bin/thread0.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | twoto.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/bin/thread1.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | sends.send(a_str); [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/bin/thread1.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | sends.send(b_str); [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: crate `asyncTest` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `async_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `c_struct` should have an upper camel case name [INFO] [stdout] --> src/bin/actor.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct c_struct { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `CStruct` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/bin/actor.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | fn started(&mut self, ctx: &mut Self::Context){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/bin/actor.rs:42:40 [INFO] [stdout] | [INFO] [stdout] 42 | fn handle(&mut self, msg: CMesage, ctx: &mut Context) -> Self::Result{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/actor.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | system.run(); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.72s [INFO] running `Command { std: "docker" "inspect" "e96e678472c9517c4959ba346f337b82ab9c24d4111d5c9ab3e8c04ab8bda97c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e96e678472c9517c4959ba346f337b82ab9c24d4111d5c9ab3e8c04ab8bda97c", kill_on_drop: false }` [INFO] [stdout] e96e678472c9517c4959ba346f337b82ab9c24d4111d5c9ab3e8c04ab8bda97c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 6f14bb3f920a369ec7984510b491287db6b7fd6490dd391e69981b116ff83eb9 [INFO] running `Command { std: "docker" "start" "-a" "6f14bb3f920a369ec7984510b491287db6b7fd6490dd391e69981b116ff83eb9", kill_on_drop: false }` [INFO] [stderr] warning: type `c_struct` should have an upper camel case name [INFO] [stderr] --> src/bin/actor.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct c_struct { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `CStruct` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/bin/actor.rs:27:27 [INFO] [stderr] | [INFO] [stderr] 27 | fn started(&mut self, ctx: &mut Self::Context){ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/bin/actor.rs:42:40 [INFO] [stderr] | [INFO] [stderr] 42 | fn handle(&mut self, msg: CMesage, ctx: &mut Context) -> Self::Result{ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/actor.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | system.run(); [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: crate `asyncTest` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `async_test` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/thread0.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | oent.join(); [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/bin/thread0.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | twoto.join(); [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/bin/thread1.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | sends.send(a_str); [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/bin/thread1.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | sends.send(b_str); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `RustLearnSource` (bin "actor" test) generated 4 warnings [INFO] [stderr] warning: `RustLearnSource` (bin "asyncTest" test) generated 1 warning [INFO] [stderr] warning: `RustLearnSource` (bin "thread0" test) generated 2 warnings [INFO] [stderr] warning: `RustLearnSource` (bin "thread1" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/actor-8fcd9a97cde66e63) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/asyncTest-9af5e9ccb69b0f11) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/thread0-d61741742a285411) [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] [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/thread1-db4615820d694cdc) [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" "6f14bb3f920a369ec7984510b491287db6b7fd6490dd391e69981b116ff83eb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f14bb3f920a369ec7984510b491287db6b7fd6490dd391e69981b116ff83eb9", kill_on_drop: false }` [INFO] [stdout] 6f14bb3f920a369ec7984510b491287db6b7fd6490dd391e69981b116ff83eb9