[INFO] fetching crate brackets 0.1.6...
[INFO] testing brackets-0.1.6 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate brackets 0.1.6 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate brackets 0.1.6 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brackets 0.1.6
[INFO] finished tweaking crates.io crate brackets 0.1.6
[INFO] tweaked toml for crates.io crate brackets 0.1.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.56.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded brackets-macros v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40c4a8beb371b0e99d32ac4ffec4667d3f62831e2c41d4ec7f9bbd76e4f8dfc7
[INFO] running `Command { std: "docker" "start" "-a" "40c4a8beb371b0e99d32ac4ffec4667d3f62831e2c41d4ec7f9bbd76e4f8dfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c4a8beb371b0e99d32ac4ffec4667d3f62831e2c41d4ec7f9bbd76e4f8dfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c4a8beb371b0e99d32ac4ffec4667d3f62831e2c41d4ec7f9bbd76e4f8dfc7", kill_on_drop: false }`
[INFO] [stdout] 40c4a8beb371b0e99d32ac4ffec4667d3f62831e2c41d4ec7f9bbd76e4f8dfc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b056885915282dc031a1202009bd48da2545c1bf0b871acb5d0b709b9febba1
[INFO] running `Command { std: "docker" "start" "-a" "6b056885915282dc031a1202009bd48da2545c1bf0b871acb5d0b709b9febba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling brackets-macros v0.1.7
[INFO] [stderr]    Compiling brackets v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:563:7
[INFO] [stdout]     |
[INFO] [stdout] 563 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:566:7
[INFO] [stdout]     |
[INFO] [stdout] 566 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:579:7
[INFO] [stdout]     |
[INFO] [stdout] 579 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "6b056885915282dc031a1202009bd48da2545c1bf0b871acb5d0b709b9febba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b056885915282dc031a1202009bd48da2545c1bf0b871acb5d0b709b9febba1", kill_on_drop: false }`
[INFO] [stdout] 6b056885915282dc031a1202009bd48da2545c1bf0b871acb5d0b709b9febba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d498bc93df2d1c9d358436e62169185a4dc0104d8f065a5e625e9d0129e42d
[INFO] running `Command { std: "docker" "start" "-a" "a2d498bc93df2d1c9d358436e62169185a4dc0104d8f065a5e625e9d0129e42d", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:563:7
[INFO] [stdout]     |
[INFO] [stdout] 563 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:566:7
[INFO] [stdout]     |
[INFO] [stdout] 566 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling brackets v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:579:7
[INFO] [stdout]     |
[INFO] [stdout] 579 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:563:7
[INFO] [stdout]     |
[INFO] [stdout] 563 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:566:7
[INFO] [stdout]     |
[INFO] [stdout] 566 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stdout]    --> src/json.rs:579:7
[INFO] [stdout]     |
[INFO] [stdout] 579 | #[cfg(chrono)]
[INFO] [stdout]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "a2d498bc93df2d1c9d358436e62169185a4dc0104d8f065a5e625e9d0129e42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d498bc93df2d1c9d358436e62169185a4dc0104d8f065a5e625e9d0129e42d", kill_on_drop: false }`
[INFO] [stdout] a2d498bc93df2d1c9d358436e62169185a4dc0104d8f065a5e625e9d0129e42d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e89fc6e3fdee6e39236584bbf0a45de390c4f37ac64081e2d5ddf5b8fd0a491e
[INFO] running `Command { std: "docker" "start" "-a" "e89fc6e3fdee6e39236584bbf0a45de390c4f37ac64081e2d5ddf5b8fd0a491e", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stderr]    --> src/json.rs:563:7
[INFO] [stderr]     |
[INFO] [stderr] 563 | #[cfg(chrono)]
[INFO] [stderr]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stderr]    --> src/json.rs:566:7
[INFO] [stderr]     |
[INFO] [stderr] 566 | #[cfg(chrono)]
[INFO] [stderr]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `chrono`
[INFO] [stderr]    --> src/json.rs:579:7
[INFO] [stderr]     |
[INFO] [stderr] 579 | #[cfg(chrono)]
[INFO] [stderr]     |       ^^^^^^ help: found config with similar value: `feature = "chrono"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(chrono)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `brackets` (lib) generated 3 warnings
[INFO] [stderr] warning: `brackets` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/brackets-60a451c8b007561e)
[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 brackets
[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" "e89fc6e3fdee6e39236584bbf0a45de390c4f37ac64081e2d5ddf5b8fd0a491e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89fc6e3fdee6e39236584bbf0a45de390c4f37ac64081e2d5ddf5b8fd0a491e", kill_on_drop: false }`
[INFO] [stdout] e89fc6e3fdee6e39236584bbf0a45de390c4f37ac64081e2d5ddf5b8fd0a491e
