[INFO] fetching crate aflak_cake 0.0.3... [INFO] checking aflak_cake-0.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate aflak_cake 0.0.3 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate aflak_cake 0.0.3 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 aflak_cake 0.0.3 [INFO] finished tweaking crates.io crate aflak_cake 0.0.3 [INFO] tweaked toml for crates.io crate aflak_cake 0.0.3 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 24 packages [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 proc-macro2 v0.2.3 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.4.2 (latest: v1.0.35) [INFO] [stderr] Adding ron v0.2.2 (latest: v0.8.1) [INFO] [stderr] Adding syn v0.12.15 (latest: v2.0.58) [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 unicode-xid v0.1.0 [INFO] [stderr] Downloaded proc-macro2 v0.2.3 [INFO] [stderr] Downloaded syn v0.12.15 [INFO] [stderr] Downloaded quote v0.4.2 [INFO] [stderr] Downloaded boow v0.1.3 [INFO] [stderr] Downloaded ron v0.2.2 [INFO] [stderr] Downloaded variant_name_derive v0.0.1 [INFO] [stderr] Downloaded variant_name v0.0.1 [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] 5e96a48d0e773a053746179d8d9f3076b1990b3a9b62829da116eafa50956893 [INFO] running `Command { std: "docker" "start" "-a" "5e96a48d0e773a053746179d8d9f3076b1990b3a9b62829da116eafa50956893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e96a48d0e773a053746179d8d9f3076b1990b3a9b62829da116eafa50956893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e96a48d0e773a053746179d8d9f3076b1990b3a9b62829da116eafa50956893", kill_on_drop: false }` [INFO] [stdout] 5e96a48d0e773a053746179d8d9f3076b1990b3a9b62829da116eafa50956893 [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] d322c020301b2c7c9e1fbd7076476ef5f65aef9688666b850951ba482980c2f3 [INFO] running `Command { std: "docker" "start" "-a" "d322c020301b2c7c9e1fbd7076476ef5f65aef9688666b850951ba482980c2f3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking boow v0.1.3 [INFO] [stderr] Checking variant_name v0.0.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling variant_name_derive v0.0.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking ron v0.2.2 [INFO] [stderr] Checking aflak_cake v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rayon` is imported redundantly [INFO] [stdout] --> src/dst/compute.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rayon; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rayon; [INFO] [stdout] | ------------------- the item `rayon` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> tests/serialize.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VariantName` is imported redundantly [INFO] [stdout] --> tests/support/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub use aflak_cake::*; [INFO] [stdout] | ------------- the item `VariantName` is already imported here [INFO] [stdout] 2 | use variant_name::VariantName; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DeserTransform` is imported redundantly [INFO] [stdout] --> tests/serialize.rs:16:18 [INFO] [stdout] | [INFO] [stdout] 14 | use support::*; [INFO] [stdout] | ---------- the item `DeserTransform` is already imported here [INFO] [stdout] 15 | [INFO] [stdout] 16 | use aflak_cake::{DeserTransform, SerialTransform}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SerialTransform` is imported redundantly [INFO] [stdout] --> tests/serialize.rs:16:34 [INFO] [stdout] | [INFO] [stdout] 14 | use support::*; [INFO] [stdout] | ---------- the item `SerialTransform` is already imported here [INFO] [stdout] 15 | [INFO] [stdout] 16 | use aflak_cake::{DeserTransform, SerialTransform}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> tests/dst.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VariantName` is imported redundantly [INFO] [stdout] --> tests/support/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub use aflak_cake::*; [INFO] [stdout] | ------------- the item `VariantName` is already imported here [INFO] [stdout] 2 | use variant_name::VariantName; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> tests/algo.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VariantName` is imported redundantly [INFO] [stdout] --> tests/support/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub use aflak_cake::*; [INFO] [stdout] | ------------- the item `VariantName` is already imported here [INFO] [stdout] 2 | use variant_name::VariantName; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rayon` is imported redundantly [INFO] [stdout] --> src/dst/compute.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rayon; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rayon; [INFO] [stdout] | ------------------- the item `rayon` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d322c020301b2c7c9e1fbd7076476ef5f65aef9688666b850951ba482980c2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d322c020301b2c7c9e1fbd7076476ef5f65aef9688666b850951ba482980c2f3", kill_on_drop: false }` [INFO] [stdout] d322c020301b2c7c9e1fbd7076476ef5f65aef9688666b850951ba482980c2f3 [INFO] checking aflak_cake-0.0.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate aflak_cake 0.0.3 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate aflak_cake 0.0.3 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 aflak_cake 0.0.3 [INFO] finished tweaking crates.io crate aflak_cake 0.0.3 [INFO] tweaked toml for crates.io crate aflak_cake 0.0.3 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] 134ed55c02baead86199b86e59c0587132ad7e0412f840df0a0149d5c5abd33c [INFO] running `Command { std: "docker" "start" "-a" "134ed55c02baead86199b86e59c0587132ad7e0412f840df0a0149d5c5abd33c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "134ed55c02baead86199b86e59c0587132ad7e0412f840df0a0149d5c5abd33c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "134ed55c02baead86199b86e59c0587132ad7e0412f840df0a0149d5c5abd33c", kill_on_drop: false }` [INFO] [stdout] 134ed55c02baead86199b86e59c0587132ad7e0412f840df0a0149d5c5abd33c [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] 4e2ed17ae65b07b47b8978f3ce4aeab4974c2f49301d96d3673a5f4f9727f2cd [INFO] running `Command { std: "docker" "start" "-a" "4e2ed17ae65b07b47b8978f3ce4aeab4974c2f49301d96d3673a5f4f9727f2cd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking variant_name v0.0.1 [INFO] [stderr] Checking boow v0.1.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [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] [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] 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" "4e2ed17ae65b07b47b8978f3ce4aeab4974c2f49301d96d3673a5f4f9727f2cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e2ed17ae65b07b47b8978f3ce4aeab4974c2f49301d96d3673a5f4f9727f2cd", kill_on_drop: false }` [INFO] [stdout] 4e2ed17ae65b07b47b8978f3ce4aeab4974c2f49301d96d3673a5f4f9727f2cd