[INFO] fetching crate wasm-mt 0.1.3...
[INFO] checking wasm-mt-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate wasm-mt 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate wasm-mt 0.1.3
[INFO] finished tweaking crates.io crate wasm-mt 0.1.3
[INFO] tweaked toml for crates.io crate wasm-mt 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-mt 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_traitobject v0.2.9
[INFO] [stderr]   Downloaded metatype v0.2.2
[INFO] [stderr]   Downloaded relative v0.2.2
[INFO] [stderr]   Downloaded build_id v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 536d8f11a0fa84ce29893af9b8452ff34f71aebf50fec862dd6a98c8f70562fb
[INFO] running `Command { std: "docker" "start" "-a" "536d8f11a0fa84ce29893af9b8452ff34f71aebf50fec862dd6a98c8f70562fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536d8f11a0fa84ce29893af9b8452ff34f71aebf50fec862dd6a98c8f70562fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536d8f11a0fa84ce29893af9b8452ff34f71aebf50fec862dd6a98c8f70562fb", kill_on_drop: false }`
[INFO] [stdout] 536d8f11a0fa84ce29893af9b8452ff34f71aebf50fec862dd6a98c8f70562fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc6a06f44accf3fec78117fb68b6e14c68054ba63b9e9e0222245b0f83ea6d6
[INFO] running `Command { std: "docker" "start" "-a" "efc6a06f44accf3fec78117fb68b6e14c68054ba63b9e9e0222245b0f83ea6d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]     Checking metatype v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling serde_closure_derive v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking palaver v0.2.8
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.50
[INFO] [stderr]     Checking web-sys v0.3.77
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.50
[INFO] [stderr]     Checking 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" "efc6a06f44accf3fec78117fb68b6e14c68054ba63b9e9e0222245b0f83ea6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc6a06f44accf3fec78117fb68b6e14c68054ba63b9e9e0222245b0f83ea6d6", kill_on_drop: false }`
[INFO] [stdout] efc6a06f44accf3fec78117fb68b6e14c68054ba63b9e9e0222245b0f83ea6d6