[INFO] fetching crate parking_lot 0.12.1... [INFO] checking parking_lot-0.12.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate parking_lot 0.12.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate parking_lot 0.12.1 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 parking_lot 0.12.1 [INFO] finished tweaking crates.io crate parking_lot 0.12.1 [INFO] tweaked toml for crates.io crate parking_lot 0.12.1 written to /workspace/builds/worker-0-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] 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 51 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.6) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1c1f87a7f3b516affccbfc0d01755b4d92216636f119abe46497d02e09d7d178 [INFO] running `Command { std: "docker" "start" "-a" "1c1f87a7f3b516affccbfc0d01755b4d92216636f119abe46497d02e09d7d178", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c1f87a7f3b516affccbfc0d01755b4d92216636f119abe46497d02e09d7d178", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c1f87a7f3b516affccbfc0d01755b4d92216636f119abe46497d02e09d7d178", kill_on_drop: false }` [INFO] [stdout] 1c1f87a7f3b516affccbfc0d01755b4d92216636f119abe46497d02e09d7d178 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1ce84c5756e772a83e71c584c4c98e05e92fc358438796c231783a062ec49134 [INFO] running `Command { std: "docker" "start" "-a" "1ce84c5756e772a83e71c584c4c98e05e92fc358438796c231783a062ec49134", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking parking_lot v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/condvar.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | use parking_lot_core::{self, ParkResult, RequeueOp, UnparkResult, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/fair_mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/once.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | use parking_lot_core::{self, SpinWait, DEFAULT_PARK_TOKEN, DEFAULT_UNPARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_mutex.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | use parking_lot_core::{self, ParkResult, SpinWait, UnparkResult, UnparkToken, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_rwlock.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | self, deadlock, FilterOp, ParkResult, ParkToken, SpinWait, UnparkResult, UnparkToken, [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/remutex.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use lock_api::{self, GetThreadId}; [INFO] [stdout] | ^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/rwlock.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/condvar.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | use parking_lot_core::{self, ParkResult, RequeueOp, UnparkResult, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/fair_mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/once.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | use parking_lot_core::{self, SpinWait, DEFAULT_PARK_TOKEN, DEFAULT_UNPARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_mutex.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | use parking_lot_core::{self, ParkResult, SpinWait, UnparkResult, UnparkToken, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_rwlock.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | self, deadlock, FilterOp, ParkResult, ParkToken, SpinWait, UnparkResult, UnparkToken, [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/remutex.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use lock_api::{self, GetThreadId}; [INFO] [stdout] | ^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/rwlock.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s [INFO] running `Command { std: "docker" "inspect" "1ce84c5756e772a83e71c584c4c98e05e92fc358438796c231783a062ec49134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ce84c5756e772a83e71c584c4c98e05e92fc358438796c231783a062ec49134", kill_on_drop: false }` [INFO] [stdout] 1ce84c5756e772a83e71c584c4c98e05e92fc358438796c231783a062ec49134 [INFO] checking parking_lot-0.12.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate parking_lot 0.12.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate parking_lot 0.12.1 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 parking_lot 0.12.1 [INFO] finished tweaking crates.io crate parking_lot 0.12.1 [INFO] tweaked toml for crates.io crate parking_lot 0.12.1 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0ff66578acb6bfcfb7b652f98e8a76058dd229ebcd8cc49f97b82db72ab00343 [INFO] running `Command { std: "docker" "start" "-a" "0ff66578acb6bfcfb7b652f98e8a76058dd229ebcd8cc49f97b82db72ab00343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ff66578acb6bfcfb7b652f98e8a76058dd229ebcd8cc49f97b82db72ab00343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ff66578acb6bfcfb7b652f98e8a76058dd229ebcd8cc49f97b82db72ab00343", kill_on_drop: false }` [INFO] [stdout] 0ff66578acb6bfcfb7b652f98e8a76058dd229ebcd8cc49f97b82db72ab00343 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 070f8e227842e7b3830420b4154460de11d5c1bbc48e45a252fa872bb83a80d9 [INFO] running `Command { std: "docker" "start" "-a" "070f8e227842e7b3830420b4154460de11d5c1bbc48e45a252fa872bb83a80d9", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking parking_lot v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/condvar.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | use parking_lot_core::{self, ParkResult, RequeueOp, UnparkResult, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/fair_mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/once.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | use parking_lot_core::{self, SpinWait, DEFAULT_PARK_TOKEN, DEFAULT_UNPARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_mutex.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | use parking_lot_core::{self, ParkResult, SpinWait, UnparkResult, UnparkToken, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_rwlock.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | self, deadlock, FilterOp, ParkResult, ParkToken, SpinWait, UnparkResult, UnparkToken, [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/remutex.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use lock_api::{self, GetThreadId}; [INFO] [stdout] | ^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/rwlock.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/condvar.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | use parking_lot_core::{self, ParkResult, RequeueOp, UnparkResult, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/fair_mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/mutex.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/once.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | use parking_lot_core::{self, SpinWait, DEFAULT_PARK_TOKEN, DEFAULT_UNPARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_mutex.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | use parking_lot_core::{self, ParkResult, SpinWait, UnparkResult, UnparkToken, DEFAULT_PARK_TOKEN}; [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `parking_lot_core` is imported redundantly [INFO] [stdout] --> src/raw_rwlock.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | self, deadlock, FilterOp, ParkResult, ParkToken, SpinWait, UnparkResult, UnparkToken, [INFO] [stdout] | ^^^^ the item `parking_lot_core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/remutex.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use lock_api::{self, GetThreadId}; [INFO] [stdout] | ^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lock_api` is imported redundantly [INFO] [stdout] --> src/rwlock.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use lock_api; [INFO] [stdout] | ^^^^^^^^ the item `lock_api` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `Result<_, Box>` [INFO] [stdout] --> src/fair_mutex.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | let _ = thread::spawn(move || { [INFO] [stdout] | _____________^___- [INFO] [stdout] 218 | | struct Unwinder { [INFO] [stdout] 219 | | i: Arc>, [INFO] [stdout] 220 | | } [INFO] [stdout] ... | [INFO] [stdout] 227 | | panic!(); [INFO] [stdout] 228 | | }) [INFO] [stdout] | |__________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 217 | let _: Result<_, Box> = thread::spawn(move || { [INFO] [stdout] | ++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `Result<_, Box>` [INFO] [stdout] --> src/mutex.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | let _ = thread::spawn(move || { [INFO] [stdout] | _____________^___- [INFO] [stdout] 255 | | struct Unwinder { [INFO] [stdout] 256 | | i: Arc>, [INFO] [stdout] 257 | | } [INFO] [stdout] ... | [INFO] [stdout] 264 | | panic!(); [INFO] [stdout] 265 | | }) [INFO] [stdout] | |__________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 254 | let _: Result<_, Box> = thread::spawn(move || { [INFO] [stdout] | ++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `Result<_, Box>` [INFO] [stdout] --> src/rwlock.rs:332:13 [INFO] [stdout] | [INFO] [stdout] 332 | let _ = thread::spawn(move || { [INFO] [stdout] | _____________^___- [INFO] [stdout] 333 | | struct Unwinder { [INFO] [stdout] 334 | | i: Arc>, [INFO] [stdout] 335 | | } [INFO] [stdout] ... | [INFO] [stdout] 343 | | panic!(); [INFO] [stdout] 344 | | }) [INFO] [stdout] | |__________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 332 | let _: Result<_, Box> = thread::spawn(move || { [INFO] [stdout] | ++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `parking_lot` (lib test) due to 4 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "070f8e227842e7b3830420b4154460de11d5c1bbc48e45a252fa872bb83a80d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "070f8e227842e7b3830420b4154460de11d5c1bbc48e45a252fa872bb83a80d9", kill_on_drop: false }` [INFO] [stdout] 070f8e227842e7b3830420b4154460de11d5c1bbc48e45a252fa872bb83a80d9