[INFO] fetching crate serde_traitobject 0.2.9...
[INFO] testing serde_traitobject-0.2.9 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate serde_traitobject 0.2.9 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_traitobject 0.2.9 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding js-sys v0.3.82
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd781bd36eb95973888af8d98b679d4d6aa966a31d350fce89be3abd5016ccd
[INFO] running `Command { std: "docker" "start" "-a" "ffd781bd36eb95973888af8d98b679d4d6aa966a31d350fce89be3abd5016ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd781bd36eb95973888af8d98b679d4d6aa966a31d350fce89be3abd5016ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd781bd36eb95973888af8d98b679d4d6aa966a31d350fce89be3abd5016ccd", kill_on_drop: false }`
[INFO] [stdout] ffd781bd36eb95973888af8d98b679d4d6aa966a31d350fce89be3abd5016ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dacdda22186ddb871d5854bc4893202563f397d3012c06f66ba8c023c83e898a
[INFO] running `Command { std: "docker" "start" "-a" "dacdda22186ddb871d5854bc4893202563f397d3012c06f66ba8c023c83e898a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling metatype v0.2.2
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling palaver v0.2.8
[INFO] [stderr]    Compiling serde_derive 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" "dacdda22186ddb871d5854bc4893202563f397d3012c06f66ba8c023c83e898a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacdda22186ddb871d5854bc4893202563f397d3012c06f66ba8c023c83e898a", kill_on_drop: false }`
[INFO] [stdout] dacdda22186ddb871d5854bc4893202563f397d3012c06f66ba8c023c83e898a