[INFO] fetching crate fast-async-mutex 0.6.7... [INFO] checking fast-async-mutex-0.6.7 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate fast-async-mutex 0.6.7 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate fast-async-mutex 0.6.7 [INFO] finished tweaking crates.io crate fast-async-mutex 0.6.7 [INFO] tweaked toml for crates.io crate fast-async-mutex 0.6.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fast-async-mutex 0.6.7 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 43 packages to latest compatible versions [INFO] [stderr] Adding tokio v0.3.7 (available: v1.45.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1cbcf01e5f359aa43895eeb7cd9244a0a0f8f3ae884e6ef1703488071c3ab75 [INFO] running `Command { std: "docker" "start" "-a" "c1cbcf01e5f359aa43895eeb7cd9244a0a0f8f3ae884e6ef1703488071c3ab75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1cbcf01e5f359aa43895eeb7cd9244a0a0f8f3ae884e6ef1703488071c3ab75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1cbcf01e5f359aa43895eeb7cd9244a0a0f8f3ae884e6ef1703488071c3ab75", kill_on_drop: false }` [INFO] [stdout] c1cbcf01e5f359aa43895eeb7cd9244a0a0f8f3ae884e6ef1703488071c3ab75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 024c3d1b8cd7901f4eec3f777ee31176b5598df1ca0344b4052ac3329908872d [INFO] running `Command { std: "docker" "start" "-a" "024c3d1b8cd7901f4eec3f777ee31176b5598df1ca0344b4052ac3329908872d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking fast-async-mutex v0.6.7 (/opt/rustwide/workdir) [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/mutex.rs:42:23 [INFO] [stdout] | [INFO] [stdout] 42 | pub const fn lock(&self) -> MutexGuardFuture { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 42 | pub const fn lock(&self) -> MutexGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/mutex_ordered.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn lock(&self) -> OrderedMutexGuardFuture { [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 46 | pub fn lock(&self) -> OrderedMutexGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock.rs:47:18 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn write(&self) -> RwLockWriteGuardFuture { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn write(&self) -> RwLockWriteGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn read(&self) -> RwLockReadGuardFuture { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 98 | pub fn read(&self) -> RwLockReadGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock_ordered.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn write(&self) -> OrderedRwLockWriteGuardFuture { [INFO] [stdout] | ^^^^^ -------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 50 | pub fn write(&self) -> OrderedRwLockWriteGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock_ordered.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn read(&self) -> OrderedRwLockReadGuardFuture { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 103 | pub fn read(&self) -> OrderedRwLockReadGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v0.3.2 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/mutex.rs:42:23 [INFO] [stdout] | [INFO] [stdout] 42 | pub const fn lock(&self) -> MutexGuardFuture { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 42 | pub const fn lock(&self) -> MutexGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/mutex_ordered.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn lock(&self) -> OrderedMutexGuardFuture { [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 46 | pub fn lock(&self) -> OrderedMutexGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock.rs:47:18 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn write(&self) -> RwLockWriteGuardFuture { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn write(&self) -> RwLockWriteGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn read(&self) -> RwLockReadGuardFuture { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 98 | pub fn read(&self) -> RwLockReadGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock_ordered.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn write(&self) -> OrderedRwLockWriteGuardFuture { [INFO] [stdout] | ^^^^^ -------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 50 | pub fn write(&self) -> OrderedRwLockWriteGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rwlock_ordered.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn read(&self) -> OrderedRwLockReadGuardFuture { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 103 | pub fn read(&self) -> OrderedRwLockReadGuardFuture<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.78s [INFO] running `Command { std: "docker" "inspect" "024c3d1b8cd7901f4eec3f777ee31176b5598df1ca0344b4052ac3329908872d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "024c3d1b8cd7901f4eec3f777ee31176b5598df1ca0344b4052ac3329908872d", kill_on_drop: false }` [INFO] [stdout] 024c3d1b8cd7901f4eec3f777ee31176b5598df1ca0344b4052ac3329908872d