[INFO] fetching crate specs-visitor 0.3.0... [INFO] checking specs-visitor-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate specs-visitor 0.3.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate specs-visitor 0.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate specs-visitor 0.3.0 [INFO] finished tweaking crates.io crate specs-visitor 0.3.0 [INFO] tweaked toml for crates.io crate specs-visitor 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 58 packages [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.4) [INFO] [stderr] Adding atom v0.3.6 (latest: v0.4.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam v0.4.1 (latest: v0.8.4) [INFO] [stderr] Adding crossbeam-channel v0.2.6 (latest: v0.5.12) [INFO] [stderr] Adding crossbeam-deque v0.5.2 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.5.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-epoch v0.6.1 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-utils v0.5.0 (latest: v0.8.19) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.19) [INFO] [stderr] Adding derivative v1.0.4 (latest: v2.2.0) [INFO] [stderr] Adding hibitset v0.5.4 (latest: v0.6.4) [INFO] [stderr] Adding lock_api v0.1.5 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.2.1 (latest: v0.9.1) [INFO] [stderr] Adding parking_lot v0.6.4 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.3.1 (latest: v0.9.9) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding shred v0.7.2 (latest: v0.16.0) [INFO] [stderr] Adding shred-derive v0.5.1 (latest: v0.7.0) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding specs v0.14.3 (latest: v0.20.0) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding tuple_utils v0.2.0 (latest: v0.4.0) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derivative v1.0.4 [INFO] [stderr] Downloaded tuple_utils v0.2.0 [INFO] [stderr] Downloaded nonzero_signed v1.0.3 [INFO] [stderr] Downloaded shred-derive v0.5.1 [INFO] [stderr] Downloaded shrev v1.1.3 [INFO] [stderr] Downloaded specs v0.14.3 [INFO] [stderr] Downloaded hibitset v0.5.4 [INFO] [stderr] Downloaded shred v0.7.2 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac0ddfe7dcf19f3cc906c40c8836cea9a9bd8ad95c3bd8d12a6cbf45baf148f9 [INFO] running `Command { std: "docker" "start" "-a" "ac0ddfe7dcf19f3cc906c40c8836cea9a9bd8ad95c3bd8d12a6cbf45baf148f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac0ddfe7dcf19f3cc906c40c8836cea9a9bd8ad95c3bd8d12a6cbf45baf148f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac0ddfe7dcf19f3cc906c40c8836cea9a9bd8ad95c3bd8d12a6cbf45baf148f9", kill_on_drop: false }` [INFO] [stdout] ac0ddfe7dcf19f3cc906c40c8836cea9a9bd8ad95c3bd8d12a6cbf45baf148f9 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffc3b542c3f5fec44b305085ae8a3949172b90f2e36a2b17cbe82fc3ddb72d7d [INFO] running `Command { std: "docker" "start" "-a" "ffc3b542c3f5fec44b305085ae8a3949172b90f2e36a2b17cbe82fc3ddb72d7d", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling nonzero_signed v1.0.3 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking atom v0.3.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking mopa v0.2.2 [INFO] [stderr] Checking tuple_utils v0.2.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking shrev v1.1.3 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking shred v0.7.2 [INFO] [stderr] Checking hibitset v0.5.4 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Compiling shred-derive v0.5.1 [INFO] [stderr] Checking specs v0.14.3 [INFO] [stderr] Checking specs-visitor v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.73s [INFO] running `Command { std: "docker" "inspect" "ffc3b542c3f5fec44b305085ae8a3949172b90f2e36a2b17cbe82fc3ddb72d7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffc3b542c3f5fec44b305085ae8a3949172b90f2e36a2b17cbe82fc3ddb72d7d", kill_on_drop: false }` [INFO] [stdout] ffc3b542c3f5fec44b305085ae8a3949172b90f2e36a2b17cbe82fc3ddb72d7d [INFO] checking specs-visitor-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate specs-visitor 0.3.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate specs-visitor 0.3.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate specs-visitor 0.3.0 [INFO] finished tweaking crates.io crate specs-visitor 0.3.0 [INFO] tweaked toml for crates.io crate specs-visitor 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95fe7434819ec5c9638bd99c5a9e7ac851568c5ab9f68dc04c2866a3b3774cf1 [INFO] running `Command { std: "docker" "start" "-a" "95fe7434819ec5c9638bd99c5a9e7ac851568c5ab9f68dc04c2866a3b3774cf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95fe7434819ec5c9638bd99c5a9e7ac851568c5ab9f68dc04c2866a3b3774cf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95fe7434819ec5c9638bd99c5a9e7ac851568c5ab9f68dc04c2866a3b3774cf1", kill_on_drop: false }` [INFO] [stdout] 95fe7434819ec5c9638bd99c5a9e7ac851568c5ab9f68dc04c2866a3b3774cf1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 460f0e595ab25fee6c55bcd1c8c19662af7eda9b4efb12109265cb4a8092057c [INFO] running `Command { std: "docker" "start" "-a" "460f0e595ab25fee6c55bcd1c8c19662af7eda9b4efb12109265cb4a8092057c", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking crossbeam-utils v0.8.19 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.19/src/sync/parker.rs:370:25 [INFO] [stdout] | [INFO] [stdout] 370 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 371 | | NOTIFIED | PARKED => return, [INFO] [stdout] 372 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 373 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "460f0e595ab25fee6c55bcd1c8c19662af7eda9b4efb12109265cb4a8092057c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "460f0e595ab25fee6c55bcd1c8c19662af7eda9b4efb12109265cb4a8092057c", kill_on_drop: false }` [INFO] [stdout] 460f0e595ab25fee6c55bcd1c8c19662af7eda9b4efb12109265cb4a8092057c