[INFO] fetching crate pseudo 0.2.0...
[INFO] testing pseudo-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pseudo 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pseudo 0.2.0
[INFO] finished tweaking crates.io crate pseudo 0.2.0
[INFO] tweaked toml for crates.io crate pseudo 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pseudo 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 580a86facda23ab10c1203ec5e962da2c0fb04ba865be361b0ff5ce0c94119a0
[INFO] running `Command { std: "docker" "start" "-a" "580a86facda23ab10c1203ec5e962da2c0fb04ba865be361b0ff5ce0c94119a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "580a86facda23ab10c1203ec5e962da2c0fb04ba865be361b0ff5ce0c94119a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580a86facda23ab10c1203ec5e962da2c0fb04ba865be361b0ff5ce0c94119a0", kill_on_drop: false }`
[INFO] [stdout] 580a86facda23ab10c1203ec5e962da2c0fb04ba865be361b0ff5ce0c94119a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb90924da2259c7c8ffb881dd703965545f0b9aab154b4c05ff8668617ba07f
[INFO] running `Command { std: "docker" "start" "-a" "7bb90924da2259c7c8ffb881dd703965545f0b9aab154b4c05ff8668617ba07f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling pseudo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mock.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     mock_closure: OptionalRef<Box<Fn(C) -> R + Send + Sync>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     mock_closure: OptionalRef<Box<dyn Fn(C) -> R + Send + Sync>>,
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mock.rs:176:44
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn use_closure(&self, mock_fn: Box<Fn(C) -> R + Send + Sync>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn use_closure(&self, mock_fn: Box<dyn Fn(C) -> R + Send + Sync>) {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "7bb90924da2259c7c8ffb881dd703965545f0b9aab154b4c05ff8668617ba07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb90924da2259c7c8ffb881dd703965545f0b9aab154b4c05ff8668617ba07f", kill_on_drop: false }`
[INFO] [stdout] 7bb90924da2259c7c8ffb881dd703965545f0b9aab154b4c05ff8668617ba07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc163e045da0218b41ab9e03cc4bcca2da0e50f97a6a5533a570ebdfed5e9637
[INFO] running `Command { std: "docker" "start" "-a" "cc163e045da0218b41ab9e03cc4bcca2da0e50f97a6a5533a570ebdfed5e9637", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling pseudo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mock.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     mock_closure: OptionalRef<Box<Fn(C) -> R + Send + Sync>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     mock_closure: OptionalRef<Box<dyn Fn(C) -> R + Send + Sync>>,
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mock.rs:176:44
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn use_closure(&self, mock_fn: Box<Fn(C) -> R + Send + Sync>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn use_closure(&self, mock_fn: Box<dyn Fn(C) -> R + Send + Sync>) {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/send.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let _ = Box::new(mock) as Box<A + Send>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let _ = Box::new(mock) as Box<dyn A + Send>;
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/uncloneable.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "cc163e045da0218b41ab9e03cc4bcca2da0e50f97a6a5533a570ebdfed5e9637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc163e045da0218b41ab9e03cc4bcca2da0e50f97a6a5533a570ebdfed5e9637", kill_on_drop: false }`
[INFO] [stdout] cc163e045da0218b41ab9e03cc4bcca2da0e50f97a6a5533a570ebdfed5e9637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d6791817dbe9d7559b464cae2cc1f3842fe528a098d7f3b1f3d5add434c032a
[INFO] running `Command { std: "docker" "start" "-a" "8d6791817dbe9d7559b464cae2cc1f3842fe528a098d7f3b1f3d5add434c032a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mock.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |     mock_closure: OptionalRef<Box<Fn(C) -> R + Send + Sync>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 |     mock_closure: OptionalRef<Box<dyn Fn(C) -> R + Send + Sync>>,
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mock.rs:176:44
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn use_closure(&self, mock_fn: Box<Fn(C) -> R + Send + Sync>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn use_closure(&self, mock_fn: Box<dyn Fn(C) -> R + Send + Sync>) {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `pseudo` (lib) generated 2 warnings (run `cargo fix --lib -p pseudo` to apply 2 suggestions)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/send.rs:24:35
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let _ = Box::new(mock) as Box<A + Send>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let _ = Box::new(mock) as Box<dyn A + Send>;
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `pseudo` (example "send") generated 1 warning (run `cargo fix --example "send" -p pseudo` to apply 1 suggestion)
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> examples/uncloneable.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pseudo` (example "uncloneable") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]    Doc-tests pseudo
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::calls (line 227) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,Result<O,E>>::return_err (line 386) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::num_calls (line 208) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::called (line 188) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::reset_calls (line 246) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,Option<S>>::return_some (line 331) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::called_with (line 306) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,Option<S>>::return_none (line 347) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::use_fn (line 109) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::use_fn (line 125) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::use_closure (line 153) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::use_closure (line 166) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::return_value (line 89) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::call (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::default (line 280) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,Result<O,E>>::return_ok (line 370) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d6791817dbe9d7559b464cae2cc1f3842fe528a098d7f3b1f3d5add434c032a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6791817dbe9d7559b464cae2cc1f3842fe528a098d7f3b1f3d5add434c032a", kill_on_drop: false }`
[INFO] [stdout] 8d6791817dbe9d7559b464cae2cc1f3842fe528a098d7f3b1f3d5add434c032a
