[INFO] cloning repository https://github.com/sirkibsirkib/mc_dummy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/mc_dummy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmc_dummy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmc_dummy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 482714e31f7071909367e56c7fe5600b272a8aa3 [INFO] testing sirkibsirkib/mc_dummy against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmc_dummy" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sirkibsirkib/mc_dummy on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sirkibsirkib/mc_dummy [INFO] finished tweaking git repo https://github.com/sirkibsirkib/mc_dummy [INFO] tweaked toml for git repo https://github.com/sirkibsirkib/mc_dummy written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sirkibsirkib/mc_dummy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] efa5f658d1a31710b366cef1f9f7b978681cc42f6236f143a5a0631240bddb8d [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" "efa5f658d1a31710b366cef1f9f7b978681cc42f6236f143a5a0631240bddb8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efa5f658d1a31710b366cef1f9f7b978681cc42f6236f143a5a0631240bddb8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efa5f658d1a31710b366cef1f9f7b978681cc42f6236f143a5a0631240bddb8d", kill_on_drop: false }` [INFO] [stdout] efa5f658d1a31710b366cef1f9f7b978681cc42f6236f143a5a0631240bddb8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 0cb993491d8f4925b8e544dfc7dccbc5a6c6acac8396e0b2188e257a487f4936 [INFO] running `Command { std: "docker" "start" "-a" "0cb993491d8f4925b8e544dfc7dccbc5a6c6acac8396e0b2188e257a487f4936", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Compiling byteorder v1.2.3 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling mc_dummy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `WritePlusPlus` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | WritePlusPlus, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Position` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Position, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Clientward` [INFO] [stdout] --> src/mc_channel.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum Clientward { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Status` [INFO] [stdout] --> src/mc_channel.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Login, Status, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CommandsOnly` [INFO] [stdout] --> src/mc_channel.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | Enabled, CommandsOnly, Hidden [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Hidden` [INFO] [stdout] --> src/mc_channel.rs:48:25 [INFO] [stdout] | [INFO] [stdout] 48 | Enabled, CommandsOnly, Hidden [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Left` [INFO] [stdout] --> src/mc_channel.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | Left, Right, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `PayloadReader` [INFO] [stdout] --> src/main.rs:65:1 [INFO] [stdout] | [INFO] [stdout] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `move_rel` [INFO] [stdout] --> src/main.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | fn move_rel(&mut self, x: f64, y: f64, z: f64) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mc_channel.rs:220:6 [INFO] [stdout] | [INFO] [stdout] 220 | self.write_f64::(x); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/mc_channel.rs:224:6 [INFO] [stdout] | [INFO] [stdout] 224 | self.write_f32::(x); [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: this arithmetic operation will overflow [INFO] [stdout] --> src/mc_channel.rs:169:21 [INFO] [stdout] | [INFO] [stdout] 169 | x = x + (1 << 32); [INFO] [stdout] | ^^^^^^^^^ attempt to shift left with overflow [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(arithmetic_overflow)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this arithmetic operation will overflow [INFO] [stdout] --> src/mc_channel.rs:267:29 [INFO] [stdout] | [INFO] [stdout] 267 | total = total - (1 << 32); [INFO] [stdout] | ^^^^^^^^^ attempt to shift left with overflow [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.82s [INFO] running `Command { std: "docker" "inspect" "0cb993491d8f4925b8e544dfc7dccbc5a6c6acac8396e0b2188e257a487f4936", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cb993491d8f4925b8e544dfc7dccbc5a6c6acac8396e0b2188e257a487f4936", kill_on_drop: false }` [INFO] [stdout] 0cb993491d8f4925b8e544dfc7dccbc5a6c6acac8396e0b2188e257a487f4936 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6354210345ce8b8062e89d836099f50d5b747143ee4376c4a97f808171e11732 [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" "6354210345ce8b8062e89d836099f50d5b747143ee4376c4a97f808171e11732", kill_on_drop: false }` [INFO] [stderr] Compiling mc_dummy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `WritePlusPlus` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | WritePlusPlus, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Position` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Position, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Clientward` [INFO] [stdout] --> src/mc_channel.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum Clientward { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Status` [INFO] [stdout] --> src/mc_channel.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Login, Status, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CommandsOnly` [INFO] [stdout] --> src/mc_channel.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | Enabled, CommandsOnly, Hidden [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Hidden` [INFO] [stdout] --> src/mc_channel.rs:48:25 [INFO] [stdout] | [INFO] [stdout] 48 | Enabled, CommandsOnly, Hidden [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Left` [INFO] [stdout] --> src/mc_channel.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | Left, Right, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `PayloadReader` [INFO] [stdout] --> src/main.rs:65:1 [INFO] [stdout] | [INFO] [stdout] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `move_rel` [INFO] [stdout] --> src/main.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | fn move_rel(&mut self, x: f64, y: f64, z: f64) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mc_channel.rs:220:6 [INFO] [stdout] | [INFO] [stdout] 220 | self.write_f64::(x); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/mc_channel.rs:224:6 [INFO] [stdout] | [INFO] [stdout] 224 | self.write_f32::(x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6354210345ce8b8062e89d836099f50d5b747143ee4376c4a97f808171e11732", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6354210345ce8b8062e89d836099f50d5b747143ee4376c4a97f808171e11732", kill_on_drop: false }` [INFO] [stdout] 6354210345ce8b8062e89d836099f50d5b747143ee4376c4a97f808171e11732 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b9e83a79c081681a98f65292a6cfdeb43364b64710e320f1b9b7dfda75dc1da7 [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" "b9e83a79c081681a98f65292a6cfdeb43364b64710e320f1b9b7dfda75dc1da7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `WritePlusPlus` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | WritePlusPlus, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Position` [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Position, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Clientward` [INFO] [stderr] --> src/mc_channel.rs:11:10 [INFO] [stderr] | [INFO] [stderr] 11 | pub enum Clientward { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Status` [INFO] [stderr] --> src/mc_channel.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | Login, Status, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CommandsOnly` [INFO] [stderr] --> src/mc_channel.rs:48:11 [INFO] [stderr] | [INFO] [stderr] 48 | Enabled, CommandsOnly, Hidden [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Hidden` [INFO] [stderr] --> src/mc_channel.rs:48:25 [INFO] [stderr] | [INFO] [stderr] 48 | Enabled, CommandsOnly, Hidden [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Left` [INFO] [stderr] --> src/mc_channel.rs:51:2 [INFO] [stderr] | [INFO] [stderr] 51 | Left, Right, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `PayloadReader` [INFO] [stderr] --> src/main.rs:65:1 [INFO] [stderr] | [INFO] [stderr] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `move_rel` [INFO] [stderr] --> src/main.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 102 | fn move_rel(&mut self, x: f64, y: f64, z: f64) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mc_channel.rs:220:6 [INFO] [stderr] | [INFO] [stderr] 220 | self.write_f64::(x); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/mc_channel.rs:224:6 [INFO] [stderr] | [INFO] [stderr] 224 | self.write_f32::(x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mc_dummy-bbece32e4223153b [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b9e83a79c081681a98f65292a6cfdeb43364b64710e320f1b9b7dfda75dc1da7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e83a79c081681a98f65292a6cfdeb43364b64710e320f1b9b7dfda75dc1da7", kill_on_drop: false }` [INFO] [stdout] b9e83a79c081681a98f65292a6cfdeb43364b64710e320f1b9b7dfda75dc1da7