[INFO] fetching crate pseudo 0.2.0...
[INFO] testing pseudo-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pseudo 0.2.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate pseudo 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56468f75b6db44affbd24fd0b75ff5611e15f64d273b043d2d81f5bb9206eb42
[INFO] running `Command { std: "docker" "start" "-a" "56468f75b6db44affbd24fd0b75ff5611e15f64d273b043d2d81f5bb9206eb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56468f75b6db44affbd24fd0b75ff5611e15f64d273b043d2d81f5bb9206eb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56468f75b6db44affbd24fd0b75ff5611e15f64d273b043d2d81f5bb9206eb42", kill_on_drop: false }`
[INFO] [stdout] 56468f75b6db44affbd24fd0b75ff5611e15f64d273b043d2d81f5bb9206eb42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3317913bbadb63bceeb8fc513677d6e5fc2feb171642a53f6034f5502b630a45
[INFO] running `Command { std: "docker" "start" "-a" "3317913bbadb63bceeb8fc513677d6e5fc2feb171642a53f6034f5502b630a45", kill_on_drop: false }`
[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]    = 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] 22 -     mock_closure: OptionalRef<Box<Fn(C) -> R + Send + Sync>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 176 -     pub fn use_closure(&self, mock_fn: Box<Fn(C) -> R + Send + Sync>) {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "3317913bbadb63bceeb8fc513677d6e5fc2feb171642a53f6034f5502b630a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3317913bbadb63bceeb8fc513677d6e5fc2feb171642a53f6034f5502b630a45", kill_on_drop: false }`
[INFO] [stdout] 3317913bbadb63bceeb8fc513677d6e5fc2feb171642a53f6034f5502b630a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61832bc53289ad1a299ab62241593f20dce1bf301f363d7aa2496915923cd4f7
[INFO] running `Command { std: "docker" "start" "-a" "61832bc53289ad1a299ab62241593f20dce1bf301f363d7aa2496915923cd4f7", kill_on_drop: false }`
[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]    = 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] 22 -     mock_closure: OptionalRef<Box<Fn(C) -> R + Send + Sync>>,
[INFO] [stdout] 22 +     mock_closure: OptionalRef<Box<dyn Fn(C) -> R + Send + Sync>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[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: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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 176 -     pub fn use_closure(&self, mock_fn: Box<Fn(C) -> R + Send + Sync>) {
[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: 2 warnings emitted
[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]    = 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] 24 -     let _ = Box::new(mock) as Box<A + Send>;
[INFO] [stdout] 24 +     let _ = Box::new(mock) as Box<dyn A + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "61832bc53289ad1a299ab62241593f20dce1bf301f363d7aa2496915923cd4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61832bc53289ad1a299ab62241593f20dce1bf301f363d7aa2496915923cd4f7", kill_on_drop: false }`
[INFO] [stdout] 61832bc53289ad1a299ab62241593f20dce1bf301f363d7aa2496915923cd4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 888352bc6886e589036c9a92dedbca3af5019f9181958cf4dc850c8c4f8ea08f
[INFO] running `Command { std: "docker" "start" "-a" "888352bc6886e589036c9a92dedbca3af5019f9181958cf4dc850c8c4f8ea08f", kill_on_drop: false }`
[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]    = 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] 22 -     mock_closure: OptionalRef<Box<Fn(C) -> R + Send + Sync>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 176 -     pub fn use_closure(&self, mock_fn: Box<Fn(C) -> R + Send + Sync>) {
[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
[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]    = 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] 24 -     let _ = Box::new(mock) as Box<A + Send>;
[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
[INFO] [stderr] warning: use of deprecated associated function `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 [unoptimized + debuginfo] target(s) in 0.01s
[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,R>::called (line 188) ... 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>::reset_calls (line 246) ... 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,Option<S>>::return_none (line 347) ... 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,R>::use_fn (line 109) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::use_closure (line 153) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... 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,Result<O,E>>::return_err (line 386) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,Result<O,E>>::return_ok (line 370) ... 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>::return_value (line 89) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::call (line 53) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C,R>::default (line 280) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "888352bc6886e589036c9a92dedbca3af5019f9181958cf4dc850c8c4f8ea08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888352bc6886e589036c9a92dedbca3af5019f9181958cf4dc850c8c4f8ea08f", kill_on_drop: false }`
[INFO] [stdout] 888352bc6886e589036c9a92dedbca3af5019f9181958cf4dc850c8c4f8ea08f