[INFO] fetching crate pseudo 0.2.0...
[INFO] testing pseudo-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pseudo 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pseudo 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] febd46c3e9dc1caf77b8640cc20bac768d771c9a53cad2ce1a5a3d4430eed7b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "febd46c3e9dc1caf77b8640cc20bac768d771c9a53cad2ce1a5a3d4430eed7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "febd46c3e9dc1caf77b8640cc20bac768d771c9a53cad2ce1a5a3d4430eed7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "febd46c3e9dc1caf77b8640cc20bac768d771c9a53cad2ce1a5a3d4430eed7b0", kill_on_drop: false }`
[INFO] [stdout] febd46c3e9dc1caf77b8640cc20bac768d771c9a53cad2ce1a5a3d4430eed7b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c03c840edb111fca42c75e8f0080eb1943de143a1b76fd98a84221c11d8e112
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c03c840edb111fca42c75e8f0080eb1943de143a1b76fd98a84221c11d8e112", 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]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C) -> R + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C) -> R + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1c03c840edb111fca42c75e8f0080eb1943de143a1b76fd98a84221c11d8e112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c03c840edb111fca42c75e8f0080eb1943de143a1b76fd98a84221c11d8e112", kill_on_drop: false }`
[INFO] [stdout] 1c03c840edb111fca42c75e8f0080eb1943de143a1b76fd98a84221c11d8e112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f06eb147fd922b5c0aa57cc9105e4270638e0504e0fb7e6cc0d7497dff3d9209
[INFO] running `Command { std: "docker" "start" "-a" "f06eb147fd922b5c0aa57cc9105e4270638e0504e0fb7e6cc0d7497dff3d9209", 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]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C) -> R + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C) -> R + Send + Sync`
[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]    |                                   ^^^^^^^^ help: use `dyn`: `dyn A + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 2.15s
[INFO] running `Command { std: "docker" "inspect" "f06eb147fd922b5c0aa57cc9105e4270638e0504e0fb7e6cc0d7497dff3d9209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06eb147fd922b5c0aa57cc9105e4270638e0504e0fb7e6cc0d7497dff3d9209", kill_on_drop: false }`
[INFO] [stdout] f06eb147fd922b5c0aa57cc9105e4270638e0504e0fb7e6cc0d7497dff3d9209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b54327e8c39061f3d11aaeb7d1b9961a0962a7306a0011890b89efeb1d9d6f39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b54327e8c39061f3d11aaeb7d1b9961a0962a7306a0011890b89efeb1d9d6f39", 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]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C) -> R + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C) -> R + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[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]    |                                   ^^^^^^^^ help: use `dyn`: `dyn A + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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, Option<S>>::return_some (line 331) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C, R>::reset_calls (line 246) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... 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>::num_calls (line 208) ... ok
[INFO] [stdout] test src/mock.rs - mock::Mock<C, R>::calls (line 227) ... 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/mock.rs - mock::Mock<C, R>::call (line 53) ... 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>::called_with (line 306) ... 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 166) ... 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>::return_value (line 89) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b54327e8c39061f3d11aaeb7d1b9961a0962a7306a0011890b89efeb1d9d6f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54327e8c39061f3d11aaeb7d1b9961a0962a7306a0011890b89efeb1d9d6f39", kill_on_drop: false }`
[INFO] [stdout] b54327e8c39061f3d11aaeb7d1b9961a0962a7306a0011890b89efeb1d9d6f39