[INFO] fetching crate legion 0.4.0...
[INFO] testing legion-0.4.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate legion 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate legion 0.4.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legion 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate legion 0.4.0
[INFO] tweaked toml for crates.io crate legion 0.4.0 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" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded legion_codegen v0.4.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67a0113ab8f913d790387bed7a0ccbe68d4f628af623b99aa370b1be35772361
[INFO] running `Command { std: "docker" "start" "-a" "67a0113ab8f913d790387bed7a0ccbe68d4f628af623b99aa370b1be35772361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a0113ab8f913d790387bed7a0ccbe68d4f628af623b99aa370b1be35772361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a0113ab8f913d790387bed7a0ccbe68d4f628af623b99aa370b1be35772361", kill_on_drop: false }`
[INFO] [stdout] 67a0113ab8f913d790387bed7a0ccbe68d4f628af623b99aa370b1be35772361
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f921fc9c62357460023ea1dad6c8369da116a16620ff2e0287dcbb8b090f917
[INFO] running `Command { std: "docker" "start" "-a" "5f921fc9c62357460023ea1dad6c8369da116a16620ff2e0287dcbb8b090f917", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.4
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling legion_codegen v0.4.0
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling legion v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]    --> src/internals/permissions.rs:272:18
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 .fold1(|x, y| format!("{}, {}", x, y))
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]    --> src/internals/permissions.rs:292:18
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .fold1(|x, y| format!("{}, {}", x, y))
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/id.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.83s
[INFO] running `Command { std: "docker" "inspect" "5f921fc9c62357460023ea1dad6c8369da116a16620ff2e0287dcbb8b090f917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f921fc9c62357460023ea1dad6c8369da116a16620ff2e0287dcbb8b090f917", kill_on_drop: false }`
[INFO] [stdout] 5f921fc9c62357460023ea1dad6c8369da116a16620ff2e0287dcbb8b090f917
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 116b1c69fed22b914d5521e9e19d8ea6ba6e0af1709457889ce22cd37f5d97b5
[INFO] running `Command { std: "docker" "start" "-a" "116b1c69fed22b914d5521e9e19d8ea6ba6e0af1709457889ce22cd37f5d97b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling trybuild v1.0.87
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling basic-toml v0.1.8
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]    --> src/internals/permissions.rs:272:18
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 .fold1(|x, y| format!("{}, {}", x, y))
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]    --> src/internals/permissions.rs:292:18
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .fold1(|x, y| format!("{}, {}", x, y))
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/id.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling legion v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/internals/hash.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             core::mem::transmute::<TypeId, u64>(type_id)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `TypeId` (128 bits)
[INFO] [stdout]    = note: target type: `u64` (64 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]    --> src/internals/permissions.rs:272:18
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 .fold1(|x, y| format!("{}, {}", x, y))
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]    --> src/internals/permissions.rs:292:18
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .fold1(|x, y| format!("{}, {}", x, y))
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/id.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                                    ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `legion` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "116b1c69fed22b914d5521e9e19d8ea6ba6e0af1709457889ce22cd37f5d97b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116b1c69fed22b914d5521e9e19d8ea6ba6e0af1709457889ce22cd37f5d97b5", kill_on_drop: false }`
[INFO] [stdout] 116b1c69fed22b914d5521e9e19d8ea6ba6e0af1709457889ce22cd37f5d97b5
