[INFO] fetching crate dimensioned 0.8.0...
[INFO] checking dimensioned-0.8.0 against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] extracting crate dimensioned 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dimensioned 0.8.0
[INFO] finished tweaking crates.io crate dimensioned 0.8.0
[INFO] tweaked toml for crates.io crate dimensioned 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dimensioned 0.8.0 on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dimensioned 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.8.5
[INFO] [stderr]   Downloaded serde_test v1.0.136
[INFO] [stderr]   Downloaded clapme_derive v0.1.10
[INFO] [stderr]   Downloaded auto-args-derive v0.1.5
[INFO] [stderr]   Downloaded clapme v0.1.16
[INFO] [stderr]   Downloaded meval v0.1.0
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded generic-array v0.14.5
[INFO] [stderr]   Downloaded auto-args v0.2.9
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893
[INFO] running `Command { std: "docker" "start" "b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling dimensioned v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stdout] warning: `auto` traits are unstable
[INFO] [stdout]    --> src/traits.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub auto trait NotDim {}
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/si.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     make_units! {
[INFO] [stdout] 178 | |         SI;
[INFO] [stdout] 179 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout] 334 | |         fmt = true;
[INFO] [stdout] 335 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/ucum.rs:366:5
[INFO] [stdout]     |
[INFO] [stdout] 366 | /     make_units! {
[INFO] [stdout] 367 | |         UCUM;
[INFO] [stdout] 368 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout] 643 | |         fmt = true;
[INFO] [stdout] 644 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/mks.rs:30:5
[INFO] [stdout]     |
[INFO] [stdout]  30 | /     make_units! {
[INFO] [stdout]  31 | |         MKS;
[INFO] [stdout]  32 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout]  49 | |         fmt = false;
[INFO] [stdout]  50 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/cgs.rs:56:5
[INFO] [stdout]     |
[INFO] [stdout]  56 | /     make_units! {
[INFO] [stdout]  57 | |         CGS;
[INFO] [stdout]  58 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |         fmt = false;
[INFO] [stdout] 101 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/fps.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout]  29 | /     make_units! {
[INFO] [stdout]  30 | |         FPS;
[INFO] [stdout]  31 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout]  47 | |         fmt = false;
[INFO] [stdout]  48 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `quickcheck`
[INFO] [stdout]  --> tests/tests.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg(feature = "quickcheck")]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `approx`, `auto-args`, `clapme`, `default`, `nightly`, `oibit`, `rand`, `serde`, `serde_test`, `spec`, `std`, and `test`
[INFO] [stdout]   = help: consider adding `quickcheck` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `auto` traits are unstable
[INFO] [stdout]    --> src/traits.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub auto trait NotDim {}
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/si.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     make_units! {
[INFO] [stdout] 178 | |         SI;
[INFO] [stdout] 179 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout] 334 | |         fmt = true;
[INFO] [stdout] 335 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/ucum.rs:366:5
[INFO] [stdout]     |
[INFO] [stdout] 366 | /     make_units! {
[INFO] [stdout] 367 | |         UCUM;
[INFO] [stdout] 368 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout] 643 | |         fmt = true;
[INFO] [stdout] 644 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/mks.rs:30:5
[INFO] [stdout]     |
[INFO] [stdout]  30 | /     make_units! {
[INFO] [stdout]  31 | |         MKS;
[INFO] [stdout]  32 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout]  49 | |         fmt = false;
[INFO] [stdout]  50 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/cgs.rs:56:5
[INFO] [stdout]     |
[INFO] [stdout]  56 | /     make_units! {
[INFO] [stdout]  57 | |         CGS;
[INFO] [stdout]  58 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |         fmt = false;
[INFO] [stdout] 101 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> src/make_units.rs:315:20
[INFO] [stdout]     |
[INFO] [stdout] 315 |           impl<V, U> !NotDim for $System<V, U> {}
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/dimensioned-8b947fd8bfe2d2ff/out/fps.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout]  29 | /     make_units! {
[INFO] [stdout]  30 | |         FPS;
[INFO] [stdout]  31 | |         ONE: Unitless;
[INFO] [stdout] ...   |
[INFO] [stdout]  47 | |         fmt = false;
[INFO] [stdout]  48 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-10; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `make_units` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893", kill_on_drop: false }`
[INFO] [stdout] b4357bc7eb1fef0f0c7d66dfc5af0f38cbf28befa31fbb3a12440faf120de893
