[INFO] crate ostrich-core 0.1.0 is already in cache
[INFO] testing ostrich-core-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate ostrich-core 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ostrich-core 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ostrich-core 0.1.0
[INFO] finished tweaking crates.io crate ostrich-core 0.1.0
[INFO] tweaked toml for crates.io crate ostrich-core 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de1ed39524f708a349c0a82d622ff284f8db71134a2f0d1db8b810b2b8c4e0a
[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" "1de1ed39524f708a349c0a82d622ff284f8db71134a2f0d1db8b810b2b8c4e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de1ed39524f708a349c0a82d622ff284f8db71134a2f0d1db8b810b2b8c4e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de1ed39524f708a349c0a82d622ff284f8db71134a2f0d1db8b810b2b8c4e0a", kill_on_drop: false }`
[INFO] [stdout] 1de1ed39524f708a349c0a82d622ff284f8db71134a2f0d1db8b810b2b8c4e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f0b80f5c7979759c1b24facb85c5c1b2630dc5a5183ad909f5e5dff917ed2b6
[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" "0f0b80f5c7979759c1b24facb85c5c1b2630dc5a5183ad909f5e5dff917ed2b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling ostrich-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const CMD_BYTES: Range<usize> = (0..0);
[INFO] [stdout]    |                                     ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SENDER_BYTES: Range<usize> = (2..15);
[INFO] [stdout]    |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const RECV_BYTES: Range<usize> = (17..31);
[INFO] [stdout]    |                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const TXT_LEN: Range<usize> = (32..33);
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const TXT_BYTES: Range<usize> = (34..1023);
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `Command { std: "docker" "inspect" "0f0b80f5c7979759c1b24facb85c5c1b2630dc5a5183ad909f5e5dff917ed2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0b80f5c7979759c1b24facb85c5c1b2630dc5a5183ad909f5e5dff917ed2b6", kill_on_drop: false }`
[INFO] [stdout] 0f0b80f5c7979759c1b24facb85c5c1b2630dc5a5183ad909f5e5dff917ed2b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1e29d914085266f9bc8935d3b56e6f4f9a1cb6642aec37ee188f5af6f24f61
[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" "ba1e29d914085266f9bc8935d3b56e6f4f9a1cb6642aec37ee188f5af6f24f61", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const CMD_BYTES: Range<usize> = (0..0);
[INFO] [stdout]    |                                     ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SENDER_BYTES: Range<usize> = (2..15);
[INFO] [stdout]    |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const RECV_BYTES: Range<usize> = (17..31);
[INFO] [stdout]    |                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const TXT_LEN: Range<usize> = (32..33);
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const TXT_BYTES: Range<usize> = (34..1023);
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ostrich-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const CMD_BYTES: Range<usize> = (0..0);
[INFO] [stdout]    |                                     ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SENDER_BYTES: Range<usize> = (2..15);
[INFO] [stdout]    |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const RECV_BYTES: Range<usize> = (17..31);
[INFO] [stdout]    |                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const TXT_LEN: Range<usize> = (32..33);
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const TXT_BYTES: Range<usize> = (34..1023);
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "ba1e29d914085266f9bc8935d3b56e6f4f9a1cb6642aec37ee188f5af6f24f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1e29d914085266f9bc8935d3b56e6f4f9a1cb6642aec37ee188f5af6f24f61", kill_on_drop: false }`
[INFO] [stdout] ba1e29d914085266f9bc8935d3b56e6f4f9a1cb6642aec37ee188f5af6f24f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a704ce1c876b31fe69f803665a6540669c7c432319a06889e7cdf7e6f753aa53
[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" "a704ce1c876b31fe69f803665a6540669c7c432319a06889e7cdf7e6f753aa53", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const CMD_BYTES: Range<usize> = (0..0);
[INFO] [stderr]    |                                     ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const SENDER_BYTES: Range<usize> = (2..15);
[INFO] [stderr]    |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:27:38
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const RECV_BYTES: Range<usize> = (17..31);
[INFO] [stderr]    |                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const TXT_LEN: Range<usize> = (32..33);
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const TXT_BYTES: Range<usize> = (34..1023);
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const CMD_BYTES: Range<usize> = (0..0);
[INFO] [stderr]    |                                     ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const SENDER_BYTES: Range<usize> = (2..15);
[INFO] [stderr]    |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:27:38
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const RECV_BYTES: Range<usize> = (17..31);
[INFO] [stderr]    |                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const TXT_LEN: Range<usize> = (32..33);
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const TXT_BYTES: Range<usize> = (34..1023);
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ostrich_core-530b7c3d5f7b6484
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_err ... ok
[INFO] [stdout] test test_msg ... ok
[INFO] [stdout] test test_ok ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ostrich-core
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const CMD_BYTES: Range<usize> = (0..0);
[INFO] [stderr]    |                                     ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const SENDER_BYTES: Range<usize> = (2..15);
[INFO] [stderr]    |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:27:38
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const RECV_BYTES: Range<usize> = (17..31);
[INFO] [stderr]    |                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const TXT_LEN: Range<usize> = (32..33);
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const TXT_BYTES: Range<usize> = (34..1023);
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a704ce1c876b31fe69f803665a6540669c7c432319a06889e7cdf7e6f753aa53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a704ce1c876b31fe69f803665a6540669c7c432319a06889e7cdf7e6f753aa53", kill_on_drop: false }`
[INFO] [stdout] a704ce1c876b31fe69f803665a6540669c7c432319a06889e7cdf7e6f753aa53