[INFO] fetching crate index_arena 0.2.0...
[INFO] testing index_arena-0.2.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate index_arena 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate index_arena 0.2.0
[INFO] finished tweaking crates.io crate index_arena 0.2.0
[INFO] tweaked toml for crates.io crate index_arena 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate index_arena 0.2.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate index_arena 0.2.0 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab386583f7105e37fcddf7e876a659120aaecf71782444c0a8528cad3b0e873f
[INFO] running `Command { std: "docker" "start" "-a" "ab386583f7105e37fcddf7e876a659120aaecf71782444c0a8528cad3b0e873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab386583f7105e37fcddf7e876a659120aaecf71782444c0a8528cad3b0e873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab386583f7105e37fcddf7e876a659120aaecf71782444c0a8528cad3b0e873f", kill_on_drop: false }`
[INFO] [stdout] ab386583f7105e37fcddf7e876a659120aaecf71782444c0a8528cad3b0e873f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f458198d8a4de79778805b9d75fbb469167eba6f4e71ec9f6c31c99ad4ee9b6e
[INFO] running `Command { std: "docker" "start" "-a" "f458198d8a4de79778805b9d75fbb469167eba6f4e71ec9f6c31c99ad4ee9b6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling index_arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "f458198d8a4de79778805b9d75fbb469167eba6f4e71ec9f6c31c99ad4ee9b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f458198d8a4de79778805b9d75fbb469167eba6f4e71ec9f6c31c99ad4ee9b6e", kill_on_drop: false }`
[INFO] [stdout] f458198d8a4de79778805b9d75fbb469167eba6f4e71ec9f6c31c99ad4ee9b6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b7994738e58ac0988ec56d639fa88eeb3c22a13c0f80583d8f83d9a0dcb130
[INFO] running `Command { std: "docker" "start" "-a" "d4b7994738e58ac0988ec56d639fa88eeb3c22a13c0f80583d8f83d9a0dcb130", kill_on_drop: false }`
[INFO] [stderr]    Compiling index_arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 295 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 302 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 309 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 320 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 333 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 355 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 363 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 373 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 382 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 395 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `VecStorage` in `$crate`
[INFO] [stdout]    --> src/lib.rs:276:31
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout]     |                               ^^^^^^^^^^ could not find `VecStorage` in the crate root
[INFO] [stdout] ...
[INFO] [stdout] 442 |         let mut arena = new_arena!();
[INFO] [stdout]     |                         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:73:18
[INFO] [stdout]     |
[INFO] [stdout]  72 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout]  73 | pub use storage::VecStorage;
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in the macro `new_arena` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let storage = $crate::VecStorage::<ALIGN>::new();
[INFO] [stdout] 276 +         let storage = $crate::Storage::<ALIGN>::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `index_arena` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "d4b7994738e58ac0988ec56d639fa88eeb3c22a13c0f80583d8f83d9a0dcb130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b7994738e58ac0988ec56d639fa88eeb3c22a13c0f80583d8f83d9a0dcb130", kill_on_drop: false }`
[INFO] [stdout] d4b7994738e58ac0988ec56d639fa88eeb3c22a13c0f80583d8f83d9a0dcb130
