[INFO] fetching crate plugin-test-plugins 0.1.2...
[INFO] checking plugin-test-plugins-0.1.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate plugin-test-plugins 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate plugin-test-plugins 0.1.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plugin-test-plugins 0.1.2
[INFO] finished tweaking crates.io crate plugin-test-plugins 0.1.2
[INFO] tweaked toml for crates.io crate plugin-test-plugins 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plugin-test-api v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efa33032d291ffbd7897c9c04c7538a6302aceb3dfb1a7b13ed81ede6e1ec55f
[INFO] running `Command { std: "docker" "start" "-a" "efa33032d291ffbd7897c9c04c7538a6302aceb3dfb1a7b13ed81ede6e1ec55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa33032d291ffbd7897c9c04c7538a6302aceb3dfb1a7b13ed81ede6e1ec55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa33032d291ffbd7897c9c04c7538a6302aceb3dfb1a7b13ed81ede6e1ec55f", kill_on_drop: false }`
[INFO] [stdout] efa33032d291ffbd7897c9c04c7538a6302aceb3dfb1a7b13ed81ede6e1ec55f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b93b2bccce22ac7a31efd67c819cafee28fea857bfcabdbf67e2174d4dfc9b
[INFO] running `Command { std: "docker" "start" "-a" "23b93b2bccce22ac7a31efd67c819cafee28fea857bfcabdbf67e2174d4dfc9b", kill_on_drop: false }`
[INFO] [stderr]     Checking plugin-test-api v0.1.2
[INFO] [stderr]     Checking plugin-test-plugins v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/english/mod.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn get_instance(&self) -> Box<SayHello> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: use `dyn`: `dyn SayHello`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/english/mod.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn get_instance(&self) -> Box<SayHello> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: use `dyn`: `dyn SayHello`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/french/mod.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn get_instance(&self) -> Box<SayHello> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: use `dyn`: `dyn SayHello`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub list: HashMap<String, Box<PluginInformation> >,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginInformation`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/french/mod.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn get_instance(&self) -> Box<SayHello> {
[INFO] [stdout]    |                                 ^^^^^^^^ help: use `dyn`: `dyn SayHello`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |   let mut h:  HashMap<String, Box<PluginInformation> > = HashMap::new();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginInformation`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub list: HashMap<String, Box<PluginInformation> >,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginInformation`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |   let mut h:  HashMap<String, Box<PluginInformation> > = HashMap::new();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PluginInformation`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "23b93b2bccce22ac7a31efd67c819cafee28fea857bfcabdbf67e2174d4dfc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b93b2bccce22ac7a31efd67c819cafee28fea857bfcabdbf67e2174d4dfc9b", kill_on_drop: false }`
[INFO] [stdout] 23b93b2bccce22ac7a31efd67c819cafee28fea857bfcabdbf67e2174d4dfc9b