[INFO] fetching crate nanocurrency-peering 0.6.0... [INFO] testing nanocurrency-peering-0.6.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate nanocurrency-peering 0.6.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate nanocurrency-peering 0.6.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nanocurrency-peering 0.6.0 [INFO] finished tweaking crates.io crate nanocurrency-peering 0.6.0 [INFO] tweaked toml for crates.io crate nanocurrency-peering 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c00d29b370feadeb5e3844e6e0c4e6b634b37794cc02fa82e88ba246df45d3cb [INFO] running `Command { std: "docker" "start" "-a" "c00d29b370feadeb5e3844e6e0c4e6b634b37794cc02fa82e88ba246df45d3cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c00d29b370feadeb5e3844e6e0c4e6b634b37794cc02fa82e88ba246df45d3cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c00d29b370feadeb5e3844e6e0c4e6b634b37794cc02fa82e88ba246df45d3cb", kill_on_drop: false }` [INFO] [stdout] c00d29b370feadeb5e3844e6e0c4e6b634b37794cc02fa82e88ba246df45d3cb [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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a462d049ee7621ee93650d240ad0cbe238ce0f9aedcf0f0604bb3664b2ffe78d [INFO] running `Command { std: "docker" "start" "-a" "a462d049ee7621ee93650d240ad0cbe238ce0f9aedcf0f0604bb3664b2ffe78d", kill_on_drop: false }` [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling clear_on_drop v0.2.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tokio-timer v0.1.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling blake2 v0.8.1 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling curve25519-dalek v1.2.6 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling ed25519-dalek v0.9.1 [INFO] [stderr] Compiling nanocurrency-types v0.3.19 [INFO] [stderr] Compiling nanocurrency-protocol v0.5.1 [INFO] [stderr] Compiling nanocurrency-peering v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/udp_framed.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | fn poll(&mut self) -> Poll, Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:156:24 [INFO] [stdout] | [INFO] [stdout] 156 | send_messages: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:204:20 [INFO] [stdout] | [INFO] [stdout] 204 | value: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:210:40 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn run(self) -> io::Result>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `tokio::reactor::Handle::current`: semantics were sometimes surprising, use Handle::default() [INFO] [stdout] --> src/lib.rs:229:63 [INFO] [stdout] | [INFO] [stdout] 229 | socket = UdpSocket::from_std(std_socket, &Handle::current())?; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.61s [INFO] running `Command { std: "docker" "inspect" "a462d049ee7621ee93650d240ad0cbe238ce0f9aedcf0f0604bb3664b2ffe78d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a462d049ee7621ee93650d240ad0cbe238ce0f9aedcf0f0604bb3664b2ffe78d", kill_on_drop: false }` [INFO] [stdout] a462d049ee7621ee93650d240ad0cbe238ce0f9aedcf0f0604bb3664b2ffe78d [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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19a1a91e5707c809caa463694e66bf2dd0dadff2abcb8ea3d324af664ee21d46 [INFO] running `Command { std: "docker" "start" "-a" "19a1a91e5707c809caa463694e66bf2dd0dadff2abcb8ea3d324af664ee21d46", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/udp_framed.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | fn poll(&mut self) -> Poll, Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:156:24 [INFO] [stdout] | [INFO] [stdout] 156 | send_messages: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:204:20 [INFO] [stdout] | [INFO] [stdout] 204 | value: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:210:40 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn run(self) -> io::Result>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `tokio::reactor::Handle::current`: semantics were sometimes surprising, use Handle::default() [INFO] [stdout] --> src/lib.rs:229:63 [INFO] [stdout] | [INFO] [stdout] 229 | socket = UdpSocket::from_std(std_socket, &Handle::current())?; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nanocurrency-peering v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/udp_framed.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | fn poll(&mut self) -> Poll, Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:156:24 [INFO] [stdout] | [INFO] [stdout] 156 | send_messages: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:204:20 [INFO] [stdout] | [INFO] [stdout] 204 | value: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:210:40 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn run(self) -> io::Result>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `tokio::reactor::Handle::current`: semantics were sometimes surprising, use Handle::default() [INFO] [stdout] --> src/lib.rs:229:63 [INFO] [stdout] | [INFO] [stdout] 229 | socket = UdpSocket::from_std(std_socket, &Handle::current())?; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `Command { std: "docker" "inspect" "19a1a91e5707c809caa463694e66bf2dd0dadff2abcb8ea3d324af664ee21d46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19a1a91e5707c809caa463694e66bf2dd0dadff2abcb8ea3d324af664ee21d46", kill_on_drop: false }` [INFO] [stdout] 19a1a91e5707c809caa463694e66bf2dd0dadff2abcb8ea3d324af664ee21d46 [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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8d4288e793aca03351488113c3fbef0c07176915495eea9e2cffdf2256d43e89 [INFO] running `Command { std: "docker" "start" "-a" "8d4288e793aca03351488113c3fbef0c07176915495eea9e2cffdf2256d43e89", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/udp_framed.rs:42:39 [INFO] [stderr] | [INFO] [stderr] 42 | fn poll(&mut self) -> Poll, Self::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:156:24 [INFO] [stderr] | [INFO] [stderr] 156 | send_messages: Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:204:20 [INFO] [stderr] | [INFO] [stderr] 204 | value: Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:210:40 [INFO] [stderr] | [INFO] [stderr] 210 | pub fn run(self) -> io::Result>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `tokio::reactor::Handle::current`: semantics were sometimes surprising, use Handle::default() [INFO] [stderr] --> src/lib.rs:229:63 [INFO] [stderr] | [INFO] [stderr] 229 | socket = UdpSocket::from_std(std_socket, &Handle::current())?; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `nanocurrency-peering` (lib) generated 5 warnings [INFO] [stderr] warning: `nanocurrency-peering` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/nanocurrency_peering-3b56a202cc4b3d87) [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] Doc-tests nanocurrency-peering [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/udp_framed.rs:42:39 [INFO] [stderr] | [INFO] [stderr] 42 | fn poll(&mut self) -> Poll, Self::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "8d4288e793aca03351488113c3fbef0c07176915495eea9e2cffdf2256d43e89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d4288e793aca03351488113c3fbef0c07176915495eea9e2cffdf2256d43e89", kill_on_drop: false }` [INFO] [stdout] 8d4288e793aca03351488113c3fbef0c07176915495eea9e2cffdf2256d43e89