[INFO] crate serde_traitobject 0.1.2 is already in cache [INFO] extracting crate serde_traitobject 0.1.2 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/serde_traitobject/0.1.2 [INFO] extracting crate serde_traitobject 0.1.2 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/serde_traitobject/0.1.2 [INFO] validating manifest of serde_traitobject-0.1.2 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of serde_traitobject-0.1.2 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing serde_traitobject-0.1.2 [INFO] removed 0 missing tests [INFO] finished frobbing serde_traitobject-0.1.2 [INFO] frobbed toml for serde_traitobject-0.1.2 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/serde_traitobject/0.1.2/Cargo.toml [INFO] started frobbing serde_traitobject-0.1.2 [INFO] removed 0 missing tests [INFO] finished frobbing serde_traitobject-0.1.2 [INFO] frobbed toml for serde_traitobject-0.1.2 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/serde_traitobject/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking serde_traitobject-0.1.2 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/serde_traitobject/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 90892c0fde6582230f2776e28cb9167d019575e2a22ad0e14078d197d9af9e91 [INFO] running `"docker" "start" "-a" "90892c0fde6582230f2776e28cb9167d019575e2a22ad0e14078d197d9af9e91"` [INFO] [stderr] Checking metatype v0.1.1 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking proc_self v0.1.0 [INFO] [stderr] Checking twox-hash v1.1.2 [INFO] [stderr] Checking build_id v0.1.2 [INFO] [stderr] Checking relative v0.1.3 [INFO] [stderr] Checking serde_traitobject v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Checking serde_closure v0.1.3 [INFO] [stderr] error: conflicting implementations of trait `std::convert::Into>` for type `convenience::Rc<_>`: (E0119) [INFO] [stderr] --> src/convenience.rs:196:1 [INFO] [stderr] | [INFO] [stderr] 196 | impl Into> for Rc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(incoherent_fundamental_impls)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46205 [INFO] [stderr] = note: conflicting implementation in crate `core`: [INFO] [stderr] - impl std::convert::Into for T [INFO] [stderr] where U: std::convert::From; [INFO] [stderr] = note: downstream crates may implement trait `std::convert::From>` for type `std::rc::Rc<_>` [INFO] [stderr] [INFO] [stderr] error: conflicting implementations of trait `std::convert::Into>` for type `convenience::Arc<_>`: (E0119) [INFO] [stderr] --> src/convenience.rs:288:1 [INFO] [stderr] | [INFO] [stderr] 288 | impl Into> for Arc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46205 [INFO] [stderr] = note: conflicting implementation in crate `core`: [INFO] [stderr] - impl std::convert::Into for T [INFO] [stderr] where U: std::convert::From; [INFO] [stderr] = note: downstream crates may implement trait `std::convert::From>` for type `std::sync::Arc<_>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `serde_traitobject`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "90892c0fde6582230f2776e28cb9167d019575e2a22ad0e14078d197d9af9e91"` [INFO] running `"docker" "rm" "-f" "90892c0fde6582230f2776e28cb9167d019575e2a22ad0e14078d197d9af9e91"` [INFO] [stdout] 90892c0fde6582230f2776e28cb9167d019575e2a22ad0e14078d197d9af9e91