[INFO] fetching crate rusty_pool 0.7.0... [INFO] checking rusty_pool-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rusty_pool 0.7.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rusty_pool 0.7.0 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 rusty_pool 0.7.0 [INFO] finished tweaking crates.io crate rusty_pool 0.7.0 [INFO] tweaked toml for crates.io crate rusty_pool 0.7.0 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 24 packages [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] 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] 83eb7f9177507fb1ba98df5f30987f83e486d630a17de788c6d0e218dc236b1a [INFO] running `Command { std: "docker" "start" "-a" "83eb7f9177507fb1ba98df5f30987f83e486d630a17de788c6d0e218dc236b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83eb7f9177507fb1ba98df5f30987f83e486d630a17de788c6d0e218dc236b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83eb7f9177507fb1ba98df5f30987f83e486d630a17de788c6d0e218dc236b1a", kill_on_drop: false }` [INFO] [stdout] 83eb7f9177507fb1ba98df5f30987f83e486d630a17de788c6d0e218dc236b1a [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] 3e6c4119c5e4c65efe47e25b462154bcb7f46ec25eb0028863ffe64125f448f9 [INFO] running `Command { std: "docker" "start" "-a" "3e6c4119c5e4c65efe47e25b462154bcb7f46ec25eb0028863ffe64125f448f9", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rusty_pool v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ThreadSafe` is never used [INFO] [stdout] --> src/lib.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait ThreadSafe: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ThreadSafe` is never used [INFO] [stdout] --> src/lib.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait ThreadSafe: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s [INFO] running `Command { std: "docker" "inspect" "3e6c4119c5e4c65efe47e25b462154bcb7f46ec25eb0028863ffe64125f448f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e6c4119c5e4c65efe47e25b462154bcb7f46ec25eb0028863ffe64125f448f9", kill_on_drop: false }` [INFO] [stdout] 3e6c4119c5e4c65efe47e25b462154bcb7f46ec25eb0028863ffe64125f448f9 [INFO] checking rusty_pool-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rusty_pool 0.7.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rusty_pool 0.7.0 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 rusty_pool 0.7.0 [INFO] finished tweaking crates.io crate rusty_pool 0.7.0 [INFO] tweaked toml for crates.io crate rusty_pool 0.7.0 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] 22511f3bb386199f537c5d3be5dfb64fa065dccb38d4cb84b7f0439a3c7758dc [INFO] running `Command { std: "docker" "start" "-a" "22511f3bb386199f537c5d3be5dfb64fa065dccb38d4cb84b7f0439a3c7758dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22511f3bb386199f537c5d3be5dfb64fa065dccb38d4cb84b7f0439a3c7758dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22511f3bb386199f537c5d3be5dfb64fa065dccb38d4cb84b7f0439a3c7758dc", kill_on_drop: false }` [INFO] [stdout] 22511f3bb386199f537c5d3be5dfb64fa065dccb38d4cb84b7f0439a3c7758dc [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] 80576ce347cc877d3afab3cd24e2bd5d16c46ef0d7e9bfe069ea845e6e893161 [INFO] running `Command { std: "docker" "start" "-a" "80576ce347cc877d3afab3cd24e2bd5d16c46ef0d7e9bfe069ea845e6e893161", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-channel v0.3.30 [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" "80576ce347cc877d3afab3cd24e2bd5d16c46ef0d7e9bfe069ea845e6e893161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80576ce347cc877d3afab3cd24e2bd5d16c46ef0d7e9bfe069ea845e6e893161", kill_on_drop: false }` [INFO] [stdout] 80576ce347cc877d3afab3cd24e2bd5d16c46ef0d7e9bfe069ea845e6e893161