[INFO] fetching crate serde_traitobject 0.2.9... [INFO] testing serde_traitobject-0.2.9 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate serde_traitobject 0.2.9 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serde_traitobject 0.2.9 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--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 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fdc47aed04708d236e7fd56245fe229a2fe9f88a46d478e16197a0e8012e95d [INFO] running `Command { std: "docker" "start" "-a" "3fdc47aed04708d236e7fd56245fe229a2fe9f88a46d478e16197a0e8012e95d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fdc47aed04708d236e7fd56245fe229a2fe9f88a46d478e16197a0e8012e95d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fdc47aed04708d236e7fd56245fe229a2fe9f88a46d478e16197a0e8012e95d", kill_on_drop: false }` [INFO] [stdout] 3fdc47aed04708d236e7fd56245fe229a2fe9f88a46d478e16197a0e8012e95d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e0701bb396fc5482482773271bd243af852468fe2158e0a424848099f7d39f1 [INFO] running `Command { std: "docker" "start" "-a" "3e0701bb396fc5482482773271bd243af852468fe2158e0a424848099f7d39f1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling libc v0.2.171 [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 build_id v0.2.1 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling twox-hash v1.6.3 [INFO] [stderr] Compiling relative v0.2.2 [INFO] [stderr] Compiling metatype v0.2.2 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [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(>::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(>::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(>::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" "3e0701bb396fc5482482773271bd243af852468fe2158e0a424848099f7d39f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e0701bb396fc5482482773271bd243af852468fe2158e0a424848099f7d39f1", kill_on_drop: false }` [INFO] [stdout] 3e0701bb396fc5482482773271bd243af852468fe2158e0a424848099f7d39f1