[INFO] fetching crate simulacrum_mock 0.1.0...
[INFO] checking simulacrum_mock-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate simulacrum_mock 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate simulacrum_mock 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simulacrum_mock 0.1.0
[INFO] finished tweaking crates.io crate simulacrum_mock 0.1.0
[INFO] tweaked toml for crates.io crate simulacrum_mock 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", 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] 725bf12d864e008b483dfb727bc268c0844bde5fbbe2ecd8dd0cf256bc98cd47
[INFO] running `Command { std: "docker" "start" "-a" "725bf12d864e008b483dfb727bc268c0844bde5fbbe2ecd8dd0cf256bc98cd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725bf12d864e008b483dfb727bc268c0844bde5fbbe2ecd8dd0cf256bc98cd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725bf12d864e008b483dfb727bc268c0844bde5fbbe2ecd8dd0cf256bc98cd47", kill_on_drop: false }`
[INFO] [stdout] 725bf12d864e008b483dfb727bc268c0844bde5fbbe2ecd8dd0cf256bc98cd47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f19044061149d4f6661cfef2cd8f54b8e00b047cce67f31aa398d4c5ed9674e8
[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" "f19044061149d4f6661cfef2cd8f54b8e00b047cce67f31aa398d4c5ed9674e8", kill_on_drop: false }`
[INFO] [stderr]     Checking handlebox v0.3.0
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr]     Checking simulacrum_shared v0.1.0
[INFO] [stderr]     Checking simulacrum_user v0.1.0
[INFO] [stderr]     Checking simulacrum_mock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     validator: Box<Validator<I>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<I>`
[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/expectation/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     constraints: Vec<Box<Constraint<I>>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     modification_fn: Option<Box<FnMut(&mut I)>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut I)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return_fn: Option<Box<FnMut(&I) -> O>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |     expectations: HandleBox<Box<ExpectationT>>
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn ExpectationT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/always.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[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/constraint/stock/always.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     validator: Box<Validator<I>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/constraint/stock/params.rs:108:18
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     constraints: Vec<Box<Constraint<I>>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<I>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     modification_fn: Option<Box<FnMut(&mut I)>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut I)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return_fn: Option<Box<FnMut(&I) -> O>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |     expectations: HandleBox<Box<ExpectationT>>
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn ExpectationT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "f19044061149d4f6661cfef2cd8f54b8e00b047cce67f31aa398d4c5ed9674e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19044061149d4f6661cfef2cd8f54b8e00b047cce67f31aa398d4c5ed9674e8", kill_on_drop: false }`
[INFO] [stdout] f19044061149d4f6661cfef2cd8f54b8e00b047cce67f31aa398d4c5ed9674e8