[INFO] cloning repository https://github.com/pepyakin/rust-wasm-interp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepyakin/rust-wasm-interp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Frust-wasm-interp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Frust-wasm-interp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6ba63fa8e03fe38ecaf2e8f99a8e78dd5919348
[INFO] testing pepyakin/rust-wasm-interp against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Frust-wasm-interp" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepyakin/rust-wasm-interp on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepyakin/rust-wasm-interp
[INFO] finished tweaking git repo https://github.com/pepyakin/rust-wasm-interp
[INFO] tweaked toml for git repo https://github.com/pepyakin/rust-wasm-interp written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/pepyakin/rust-wasm-interp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ab73730b4443b236fb291f60f84d2ef6b1ce0edecaa7b42b70dc1f8f955cfc0
[INFO] running `Command { std: "docker" "start" "-a" "6ab73730b4443b236fb291f60f84d2ef6b1ce0edecaa7b42b70dc1f8f955cfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ab73730b4443b236fb291f60f84d2ef6b1ce0edecaa7b42b70dc1f8f955cfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab73730b4443b236fb291f60f84d2ef6b1ce0edecaa7b42b70dc1f8f955cfc0", kill_on_drop: false }`
[INFO] [stdout] 6ab73730b4443b236fb291f60f84d2ef6b1ce0edecaa7b42b70dc1f8f955cfc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d96d1097e9e81275258ac46bbdf685066e596c51bcfe0e5ffa3a7765e5e2dade
[INFO] running `Command { std: "docker" "start" "-a" "d96d1097e9e81275258ac46bbdf685066e596c51bcfe0e5ffa3a7765e5e2dade", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:236:79
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 - pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stdout] 236 + pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a dyn ImportResolver>) -> ModuleRef {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/nested.rs:92:52
[INFO] [stdout]    |
[INFO] [stdout] 92 |             imports.insert("env".into(), inner as &ImportResolver);
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -             imports.insert("env".into(), inner as &ImportResolver);
[INFO] [stdout] 92 +             imports.insert("env".into(), inner as &dyn ImportResolver);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/nested.rs:223:57
[INFO] [stdout]     |
[INFO] [stdout] 223 |             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 223 -             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout] 223 +             imports.insert("env".into(), &externals as &dyn ImportResolver);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/it_works.rs:106:57
[INFO] [stdout]     |
[INFO] [stdout] 106 |             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 -             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout] 106 +             imports.insert("env".into(), &externals as &dyn ImportResolver);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "d96d1097e9e81275258ac46bbdf685066e596c51bcfe0e5ffa3a7765e5e2dade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96d1097e9e81275258ac46bbdf685066e596c51bcfe0e5ffa3a7765e5e2dade", kill_on_drop: false }`
[INFO] [stdout] d96d1097e9e81275258ac46bbdf685066e596c51bcfe0e5ffa3a7765e5e2dade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5f2aadf9f58ebca6fc0b9f8e71a8146db4ea7f86ba74a60a0bdea63a6ec220
[INFO] running `Command { std: "docker" "start" "-a" "5b5f2aadf9f58ebca6fc0b9f8e71a8146db4ea7f86ba74a60a0bdea63a6ec220", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:236:79
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 - pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stdout] 236 + pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a dyn ImportResolver>) -> ModuleRef {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:236:79
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 - pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stdout] 236 + pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a dyn ImportResolver>) -> ModuleRef {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/it_works.rs:106:57
[INFO] [stdout]     |
[INFO] [stdout] 106 |             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 -             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout] 106 +             imports.insert("env".into(), &externals as &dyn ImportResolver);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/nested.rs:92:52
[INFO] [stdout]    |
[INFO] [stdout] 92 |             imports.insert("env".into(), inner as &ImportResolver);
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -             imports.insert("env".into(), inner as &ImportResolver);
[INFO] [stdout] 92 +             imports.insert("env".into(), inner as &dyn ImportResolver);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/nested.rs:223:57
[INFO] [stdout]     |
[INFO] [stdout] 223 |             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 223 -             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stdout] 223 +             imports.insert("env".into(), &externals as &dyn ImportResolver);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasm-31de997c4f234a93)
[INFO] [stderr]   Executable unittests src/bin/it_works.rs (/opt/rustwide/target/debug/deps/it_works-ac2a6b0a1d20f0ec)
[INFO] [stderr]   Executable unittests src/bin/nested.rs (/opt/rustwide/target/debug/deps/nested-2491d9f7e957f75c)
[INFO] running `Command { std: "docker" "inspect" "5b5f2aadf9f58ebca6fc0b9f8e71a8146db4ea7f86ba74a60a0bdea63a6ec220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5f2aadf9f58ebca6fc0b9f8e71a8146db4ea7f86ba74a60a0bdea63a6ec220", kill_on_drop: false }`
[INFO] [stdout] 5b5f2aadf9f58ebca6fc0b9f8e71a8146db4ea7f86ba74a60a0bdea63a6ec220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7ce1e469001b53a963e35b156599dfdc99a1f4cf2a06765a65181b5a24d31ee
[INFO] running `Command { std: "docker" "start" "-a" "a7ce1e469001b53a963e35b156599dfdc99a1f4cf2a06765a65181b5a24d31ee", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:236:79
[INFO] [stderr]     |
[INFO] [stderr] 236 | pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 236 - pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a ImportResolver>) -> ModuleRef {
[INFO] [stderr] 236 + pub fn instantiate<'a>(module: &ValidatedModule, imports: HashMap<String, &'a dyn ImportResolver>) -> ModuleRef {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `wasm` (lib) generated 1 warning
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/nested.rs:92:52
[INFO] [stderr]    |
[INFO] [stderr] 92 |             imports.insert("env".into(), inner as &ImportResolver);
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 92 -             imports.insert("env".into(), inner as &ImportResolver);
[INFO] [stderr] 92 +             imports.insert("env".into(), inner as &dyn ImportResolver);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/nested.rs:223:57
[INFO] [stderr]     |
[INFO] [stderr] 223 |             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 223 -             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stderr] 223 +             imports.insert("env".into(), &externals as &dyn ImportResolver);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `wasm` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `wasm` (bin "nested" test) generated 2 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/it_works.rs:106:57
[INFO] [stderr]     |
[INFO] [stderr] 106 |             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 106 -             imports.insert("env".into(), &externals as &ImportResolver);
[INFO] [stderr] 106 +             imports.insert("env".into(), &externals as &dyn ImportResolver);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `wasm` (bin "it_works" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasm-31de997c4f234a93)
[INFO] [stderr]      Running unittests src/bin/it_works.rs (/opt/rustwide/target/debug/deps/it_works-ac2a6b0a1d20f0ec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/nested.rs (/opt/rustwide/target/debug/deps/nested-2491d9f7e957f75c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests wasm
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7ce1e469001b53a963e35b156599dfdc99a1f4cf2a06765a65181b5a24d31ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ce1e469001b53a963e35b156599dfdc99a1f4cf2a06765a65181b5a24d31ee", kill_on_drop: false }`
[INFO] [stdout] a7ce1e469001b53a963e35b156599dfdc99a1f4cf2a06765a65181b5a24d31ee