[INFO] fetching crate instance 0.0.1...
[INFO] testing instance-0.0.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate instance 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate instance 0.0.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate instance 0.0.1
[INFO] finished tweaking crates.io crate instance 0.0.1
[INFO] tweaked toml for crates.io crate instance 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e15ae786822b5c15ff67bc950c2ef3f4e54a5c451d04a17da462584bf7eb0166
[INFO] running `Command { std: "docker" "start" "-a" "e15ae786822b5c15ff67bc950c2ef3f4e54a5c451d04a17da462584bf7eb0166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15ae786822b5c15ff67bc950c2ef3f4e54a5c451d04a17da462584bf7eb0166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15ae786822b5c15ff67bc950c2ef3f4e54a5c451d04a17da462584bf7eb0166", kill_on_drop: false }`
[INFO] [stdout] e15ae786822b5c15ff67bc950c2ef3f4e54a5c451d04a17da462584bf7eb0166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b735422113ba0d9d7e8247ff3b688b0b0e770db089d21072944a2b7647ae114
[INFO] running `Command { std: "docker" "start" "-a" "4b735422113ba0d9d7e8247ff3b688b0b0e770db089d21072944a2b7647ae114", kill_on_drop: false }`
[INFO] [stderr]    Compiling instance v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "4b735422113ba0d9d7e8247ff3b688b0b0e770db089d21072944a2b7647ae114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b735422113ba0d9d7e8247ff3b688b0b0e770db089d21072944a2b7647ae114", kill_on_drop: false }`
[INFO] [stdout] 4b735422113ba0d9d7e8247ff3b688b0b0e770db089d21072944a2b7647ae114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b42c0660132bae17ed28a126bc2993410c293810560b46612fd29f15a9555999
[INFO] running `Command { std: "docker" "start" "-a" "b42c0660132bae17ed28a126bc2993410c293810560b46612fd29f15a9555999", kill_on_drop: false }`
[INFO] [stderr]    Compiling instance v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b42c0660132bae17ed28a126bc2993410c293810560b46612fd29f15a9555999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42c0660132bae17ed28a126bc2993410c293810560b46612fd29f15a9555999", kill_on_drop: false }`
[INFO] [stdout] b42c0660132bae17ed28a126bc2993410c293810560b46612fd29f15a9555999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99fd6ccb2e5a01744ea94ef8e870dccaa5993aa0745950550a386fb360cc50a1
[INFO] running `Command { std: "docker" "start" "-a" "99fd6ccb2e5a01744ea94ef8e870dccaa5993aa0745950550a386fb360cc50a1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/instance-f8d2239e73b74457)
[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]    Doc-tests instance
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] error[E0658]: specialization is unstable
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | define_interface!(TypeSize);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: add `#![feature(specialization)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-15; consider upgrading it if it is out of date
[INFO] [stdout]   = note: this error originates in the macro `define_interface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Interface<(dyn TypeSize + 'static)>`
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | define_interface!(TypeSize);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | first implementation here
[INFO] [stdout]   | conflicting implementation
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `define_interface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`(dyn TypeSize + 'static)`)
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | define_interface!(TypeSize);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be covered by another type when it appears before the first local type (`(dyn TypeSize + 'static)`)
[INFO] [stdout]   |
[INFO] [stdout]   = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type
[INFO] [stdout]   = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait<T1, ..., Tn> for T0`, where `T0` is the first and `Tn` is the last
[INFO] [stdout]   = note: this error originates in the macro `define_interface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`(dyn TypeSize + 'static)`)
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | define_interface!(TypeSize);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be covered by another type when it appears before the first local type (`(dyn TypeSize + 'static)`)
[INFO] [stdout]   |
[INFO] [stdout]   = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type
[INFO] [stdout]   = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait<T1, ..., Tn> for T0`, where `T0` is the first and `Tn` is the last
[INFO] [stdout]   = note: this error originates in the macro `define_interface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&_`
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let object = v1.cast();
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 22 |     println!("{:?}", object.map(|v| v.meta_data())); // 4
[INFO] [stdout]    |                             --- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `object` an explicit type, where the type for type parameter `Trait` is specified
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let object: &Trait = v1.cast();
[INFO] [stdout]    |               ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `meta_data` found for reference `&dyn TypeSize` in the current scope
[INFO] [stdout]   --> src/lib.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     println!("{:?}", object.map(|v| v.meta_data())); // None
[INFO] [stdout]    |                                       ^^^^^^^^^ method not found in `&dyn TypeSize`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0210, E0282, E0599, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99fd6ccb2e5a01744ea94ef8e870dccaa5993aa0745950550a386fb360cc50a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fd6ccb2e5a01744ea94ef8e870dccaa5993aa0745950550a386fb360cc50a1", kill_on_drop: false }`
[INFO] [stdout] 99fd6ccb2e5a01744ea94ef8e870dccaa5993aa0745950550a386fb360cc50a1
