[INFO] fetching crate silhouette 0.1.0...
[INFO] testing silhouette-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate silhouette 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate silhouette 0.1.0
[INFO] finished tweaking crates.io crate silhouette 0.1.0
[INFO] tweaked toml for crates.io crate silhouette 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate silhouette 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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 serial_test v2.0.0 (available: v3.2.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding try_default v1.0.1 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try_default v1.0.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1c036a457c2bce6fe0a2b7a4f9972d36132a4aa39a5c790057774fcdaee7c07
[INFO] running `Command { std: "docker" "start" "-a" "c1c036a457c2bce6fe0a2b7a4f9972d36132a4aa39a5c790057774fcdaee7c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1c036a457c2bce6fe0a2b7a4f9972d36132a4aa39a5c790057774fcdaee7c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c036a457c2bce6fe0a2b7a4f9972d36132a4aa39a5c790057774fcdaee7c07", kill_on_drop: false }`
[INFO] [stdout] c1c036a457c2bce6fe0a2b7a4f9972d36132a4aa39a5c790057774fcdaee7c07
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8a10dd75cb1e1065f719597b4e8e63f57a0f2f4d16aef0c64dc333f2c07f60e
[INFO] running `Command { std: "docker" "start" "-a" "c8a10dd75cb1e1065f719597b4e8e63f57a0f2f4d16aef0c64dc333f2c07f60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling silhouette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout]    |                                   ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout] 66 +     bindings: HashMap<TypeId, Box<dyn Fn(&Self) -> Box<dyn Any> + Sync + Send>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout]    |                                    ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout] 68 +     instances: HashMap<TypeId, Box<dyn Fn() -> Box<dyn Any> + Sync + Send>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "c8a10dd75cb1e1065f719597b4e8e63f57a0f2f4d16aef0c64dc333f2c07f60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a10dd75cb1e1065f719597b4e8e63f57a0f2f4d16aef0c64dc333f2c07f60e", kill_on_drop: false }`
[INFO] [stdout] c8a10dd75cb1e1065f719597b4e8e63f57a0f2f4d16aef0c64dc333f2c07f60e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c6db153f0b87ebb3ddd3705d73b021ce91e2a81dcd24407a702862cd78cb411
[INFO] running `Command { std: "docker" "start" "-a" "6c6db153f0b87ebb3ddd3705d73b021ce91e2a81dcd24407a702862cd78cb411", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling silhouette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout]    |                                   ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout] 66 +     bindings: HashMap<TypeId, Box<dyn Fn(&Self) -> Box<dyn Any> + Sync + Send>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout]    |                                    ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout] 68 +     instances: HashMap<TypeId, Box<dyn Fn() -> Box<dyn Any> + Sync + Send>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serial_test v2.0.0
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout]    |                                   ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout] 66 +     bindings: HashMap<TypeId, Box<dyn Fn(&Self) -> Box<dyn Any> + Sync + Send>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout]    |                                    ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stdout] 68 +     instances: HashMap<TypeId, Box<dyn Fn() -> Box<dyn Any> + Sync + Send>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "6c6db153f0b87ebb3ddd3705d73b021ce91e2a81dcd24407a702862cd78cb411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6db153f0b87ebb3ddd3705d73b021ce91e2a81dcd24407a702862cd78cb411", kill_on_drop: false }`
[INFO] [stdout] 6c6db153f0b87ebb3ddd3705d73b021ce91e2a81dcd24407a702862cd78cb411
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75efd0a345e055b792e463ec738a31be7c0c04164d7345ab5088f47a2f796811
[INFO] running `Command { std: "docker" "start" "-a" "75efd0a345e055b792e463ec738a31be7c0c04164d7345ab5088f47a2f796811", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:66:35
[INFO] [stderr]    |
[INFO] [stderr] 66 |     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr]    |                                   ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 66 -     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr] 66 +     bindings: HashMap<TypeId, Box<dyn Fn(&Self) -> Box<dyn Any> + Sync + Send>>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr]    |                                    ^                                      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 68 -     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr] 68 +     instances: HashMap<TypeId, Box<dyn Fn() -> Box<dyn Any> + Sync + Send>>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `silhouette` (lib) generated 2 warnings (run `cargo fix --lib -p silhouette` to apply 2 suggestions)
[INFO] [stderr] warning: `silhouette` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/silhouette-0a10ab5b8489576f)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test facade::tests::can_register_a_scoped_binding ... ok
[INFO] [stdout] test facade::tests::can_retrieve_a_registered_binding ... ok
[INFO] [stdout] test facade::tests::can_register_a_binding ... ok
[INFO] [stdout] test facade::tests::can_register_a_singleton ... ok
[INFO] [stdout] test facade::tests::registering_a_binding_clears_previous_singleton ... ok
[INFO] [stdout] test facade::tests::can_retrieve_a_registered_singleton ... ok
[INFO] [stdout] test facade::tests::can_retrieve_a_registered_scoped_binding_until_flush ... ok
[INFO] [stdout] test facade::tests::returns_singleton_over_binding ... ok
[INFO] [stdout] test tests::can_register_a_binding ... ok
[INFO] [stdout] test facade::tests::returns_error_when_not_found ... ok
[INFO] [stdout] test tests::can_register_a_scoped_binding ... ok
[INFO] [stdout] test tests::can_register_a_singleton ... ok
[INFO] [stdout] test tests::can_retrieve_a_registered_binding ... ok
[INFO] [stdout] test tests::can_retrieve_a_registered_scoped_binding_until_flush ... ok
[INFO] [stdout] test tests::can_retrieve_a_registered_singleton ... ok
[INFO] [stdout] test tests::can_use_global_container ... ok
[INFO] [stdout] test tests::registering_a_binding_clears_previous_singleton ... ok
[INFO] [stdout] test tests::returns_error_when_not_found ... ok
[INFO] [stdout] test tests::returns_singleton_over_binding ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests silhouette
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:66:35
[INFO] [stderr]    |
[INFO] [stderr] 66 |     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr]    |                                   ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 66 -     bindings: HashMap<TypeId, Box<(dyn Fn(&Self) -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr] 66 +     bindings: HashMap<TypeId, Box<dyn Fn(&Self) -> Box<dyn Any> + Sync + Send>>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr]    |                                    ^                                      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 68 -     instances: HashMap<TypeId, Box<(dyn Fn() -> Box<dyn Any> + Sync + Send)>>,
[INFO] [stderr] 68 +     instances: HashMap<TypeId, Box<dyn Fn() -> Box<dyn Any> + Sync + Send>>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75efd0a345e055b792e463ec738a31be7c0c04164d7345ab5088f47a2f796811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75efd0a345e055b792e463ec738a31be7c0c04164d7345ab5088f47a2f796811", kill_on_drop: false }`
[INFO] [stdout] 75efd0a345e055b792e463ec738a31be7c0c04164d7345ab5088f47a2f796811