[INFO] fetching crate id-arena 2.2.1...
[INFO] checking id-arena-2.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate id-arena 2.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate id-arena 2.2.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate id-arena 2.2.1
[INFO] finished tweaking crates.io crate id-arena 2.2.1
[INFO] tweaked toml for crates.io crate id-arena 2.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3948134f5e1caaaa04f08cd64d4ce3010da187bb965cec33bac7cd479c6e8f80
[INFO] running `Command { std: "docker" "start" "-a" "3948134f5e1caaaa04f08cd64d4ce3010da187bb965cec33bac7cd479c6e8f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3948134f5e1caaaa04f08cd64d4ce3010da187bb965cec33bac7cd479c6e8f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3948134f5e1caaaa04f08cd64d4ce3010da187bb965cec33bac7cd479c6e8f80", kill_on_drop: false }`
[INFO] [stdout] 3948134f5e1caaaa04f08cd64d4ce3010da187bb965cec33bac7cd479c6e8f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8be130dfa810e8054c2fffdd374430ce89a3a944e70baacd595b1d0860c5b9d
[INFO] running `Command { std: "docker" "start" "-a" "c8be130dfa810e8054c2fffdd374430ce89a3a944e70baacd595b1d0860c5b9d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking id-arena v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn index(Self::Id) -> usize;
[INFO] [stdout]     |              ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn arena_id(Self::Id) -> u32;
[INFO] [stdout]     |                 ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn index(Self::Id) -> usize;
[INFO] [stdout]     |              ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn arena_id(Self::Id) -> u32;
[INFO] [stdout]     |                 ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:114:45
[INFO] [stdout]     |
[INFO] [stdout] 114 | use core::sync::atomic::{self, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:114:45
[INFO] [stdout]     |
[INFO] [stdout] 114 | use core::sync::atomic::{self, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "c8be130dfa810e8054c2fffdd374430ce89a3a944e70baacd595b1d0860c5b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8be130dfa810e8054c2fffdd374430ce89a3a944e70baacd595b1d0860c5b9d", kill_on_drop: false }`
[INFO] [stdout] c8be130dfa810e8054c2fffdd374430ce89a3a944e70baacd595b1d0860c5b9d
[INFO] checking id-arena-2.2.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate id-arena 2.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate id-arena 2.2.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate id-arena 2.2.1
[INFO] finished tweaking crates.io crate id-arena 2.2.1
[INFO] tweaked toml for crates.io crate id-arena 2.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c164da17db98efc5cc61efd9ade7fcddf4e11f35a1f40e22642d34485a44ef0
[INFO] running `Command { std: "docker" "start" "-a" "3c164da17db98efc5cc61efd9ade7fcddf4e11f35a1f40e22642d34485a44ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c164da17db98efc5cc61efd9ade7fcddf4e11f35a1f40e22642d34485a44ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c164da17db98efc5cc61efd9ade7fcddf4e11f35a1f40e22642d34485a44ef0", kill_on_drop: false }`
[INFO] [stdout] 3c164da17db98efc5cc61efd9ade7fcddf4e11f35a1f40e22642d34485a44ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07ae65627c8fe810913eea6fdec27c8b0739fc9b2e0e19db512151e9019e9c40
[INFO] running `Command { std: "docker" "start" "-a" "07ae65627c8fe810913eea6fdec27c8b0739fc9b2e0e19db512151e9019e9c40", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking id-arena v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn index(Self::Id) -> usize;
[INFO] [stdout]     |              ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn arena_id(Self::Id) -> u32;
[INFO] [stdout]     |                 ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn index(Self::Id) -> usize;
[INFO] [stdout]     |              ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn arena_id(Self::Id) -> u32;
[INFO] [stdout]     |                 ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:114:45
[INFO] [stdout]     |
[INFO] [stdout] 114 | use core::sync::atomic::{self, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:114:45
[INFO] [stdout]     |
[INFO] [stdout] 114 | use core::sync::atomic::{self, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "07ae65627c8fe810913eea6fdec27c8b0739fc9b2e0e19db512151e9019e9c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ae65627c8fe810913eea6fdec27c8b0739fc9b2e0e19db512151e9019e9c40", kill_on_drop: false }`
[INFO] [stdout] 07ae65627c8fe810913eea6fdec27c8b0739fc9b2e0e19db512151e9019e9c40