[INFO] fetching crate wasm-mt-pool 0.1.2...
[INFO] testing wasm-mt-pool-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate wasm-mt-pool 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate wasm-mt-pool 0.1.2
[INFO] finished tweaking crates.io crate wasm-mt-pool 0.1.2
[INFO] tweaked toml for crates.io crate wasm-mt-pool 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-mt-pool 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v1.6.3
[INFO] [stderr]   Downloaded wasm-mt v0.1.3
[INFO] [stderr]   Downloaded build_id v0.2.1
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded serde_traitobject v0.2.9
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.54
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.54
[INFO] [stderr]   Downloaded serde_closure_derive v0.3.3
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded minicov v0.3.7
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded erased-serde v0.3.31
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded nix v0.15.0
[INFO] [stderr]   Downloaded palaver v0.2.8
[INFO] [stderr]   Downloaded relative v0.2.2
[INFO] [stderr]   Downloaded serde_closure v0.3.3
[INFO] [stderr]   Downloaded metatype v0.2.2
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded uuid v0.8.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d0d352e4f6435056e5e4cade018c7e615489267e93b26df26c4f982e1a442bd
[INFO] running `Command { std: "docker" "start" "-a" "0d0d352e4f6435056e5e4cade018c7e615489267e93b26df26c4f982e1a442bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d0d352e4f6435056e5e4cade018c7e615489267e93b26df26c4f982e1a442bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0d352e4f6435056e5e4cade018c7e615489267e93b26df26c4f982e1a442bd", kill_on_drop: false }`
[INFO] [stdout] 0d0d352e4f6435056e5e4cade018c7e615489267e93b26df26c4f982e1a442bd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9a1ade679a99428532ca79ecfcb6f1a385e13cdaf507fb8366e874614afa81
[INFO] running `Command { std: "docker" "start" "-a" "2d9a1ade679a99428532ca79ecfcb6f1a385e13cdaf507fb8366e874614afa81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.104
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling metatype v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.104
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.104
[INFO] [stderr]    Compiling serde_closure_derive v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling palaver v0.2.8
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.104
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.104
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling js-sys v0.3.81
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_traitobject v0.2.9
[INFO] [stdout] error[E0804]: cannot add auto trait `Send` to dyn bound via pointer cast
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_traitobject-0.2.9/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]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_traitobject-0.2.9/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]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_traitobject-0.2.9/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2d9a1ade679a99428532ca79ecfcb6f1a385e13cdaf507fb8366e874614afa81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9a1ade679a99428532ca79ecfcb6f1a385e13cdaf507fb8366e874614afa81", kill_on_drop: false }`
[INFO] [stdout] 2d9a1ade679a99428532ca79ecfcb6f1a385e13cdaf507fb8366e874614afa81