[INFO] fetching crate serde_traitobject 0.2.9...
[INFO] testing serde_traitobject-0.2.9 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate serde_traitobject 0.2.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate serde_traitobject 0.2.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_traitobject 0.2.9
[INFO] tweaked toml for crates.io crate serde_traitobject 0.2.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_traitobject 0.2.9 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_traitobject 0.2.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding js-sys v0.3.81
[INFO] [stderr]       Adding minicov v0.3.7
[INFO] [stderr]       Adding same-file v1.0.6
[INFO] [stderr]       Adding walkdir v2.5.0
[INFO] [stderr]       Adding wasm-bindgen v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.54
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-test v0.3.54
[INFO] [stderr]       Adding wasm-bindgen-test-macro v0.3.54
[INFO] [stderr]       Adding web-sys v0.3.81
[INFO] [stderr]       Adding winapi-util v0.1.11
[INFO] [stderr]       Adding windows-link v0.2.0
[INFO] [stderr]       Adding windows-sys v0.61.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a309c41f9cf361102a74461b1f1b75e8dee028a2df0c87e6e3655d6e271b64e5
[INFO] running `Command { std: "docker" "start" "-a" "a309c41f9cf361102a74461b1f1b75e8dee028a2df0c87e6e3655d6e271b64e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a309c41f9cf361102a74461b1f1b75e8dee028a2df0c87e6e3655d6e271b64e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a309c41f9cf361102a74461b1f1b75e8dee028a2df0c87e6e3655d6e271b64e5", kill_on_drop: false }`
[INFO] [stdout] a309c41f9cf361102a74461b1f1b75e8dee028a2df0c87e6e3655d6e271b64e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17508d4f4a5b7b29e5634e7d372803e5e28b2b671b9d54746a21de4c1baaac47
[INFO] running `Command { std: "docker" "start" "-a" "17508d4f4a5b7b29e5634e7d372803e5e28b2b671b9d54746a21de4c1baaac47", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling metatype v0.2.2
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling palaver v0.2.8
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling serde_traitobject v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0804]: cannot add auto trait `Send` to dyn bound via pointer cast
[INFO] [stdout]   --> src/convenience.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |             boxed::Box::from_raw(boxed::Box::into_raw(<Box<dyn Any>>::into_any(self)) as *mut _)
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsupported cast
[INFO] [stdout]    |
[INFO] [stdout]    = note: this could allow UB elsewhere
[INFO] [stdout]    = help: use `transmute` if you're sure this is sound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0804]: cannot add auto trait `Sync` to dyn bound via pointer cast
[INFO] [stdout]   --> src/convenience.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |             boxed::Box::from_raw(boxed::Box::into_raw(<Box<dyn Any>>::into_any(self)) as *mut _)
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsupported cast
[INFO] [stdout]    |
[INFO] [stdout]    = note: this could allow UB elsewhere
[INFO] [stdout]    = help: use `transmute` if you're sure this is sound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0804]: cannot add auto traits `Send` and `Sync` to dyn bound via pointer cast
[INFO] [stdout]   --> src/convenience.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |             boxed::Box::from_raw(boxed::Box::into_raw(<Box<dyn Any>>::into_any(self)) as *mut _)
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsupported cast
[INFO] [stdout]    |
[INFO] [stdout]    = note: this could allow UB elsewhere
[INFO] [stdout]    = help: use `transmute` if you're sure this is sound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0804`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_traitobject` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "17508d4f4a5b7b29e5634e7d372803e5e28b2b671b9d54746a21de4c1baaac47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17508d4f4a5b7b29e5634e7d372803e5e28b2b671b9d54746a21de4c1baaac47", kill_on_drop: false }`
[INFO] [stdout] 17508d4f4a5b7b29e5634e7d372803e5e28b2b671b9d54746a21de4c1baaac47