[INFO] fetching crate optimistic_lock_coupling 0.2.5... [INFO] checking optimistic_lock_coupling-0.2.5 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] extracting crate optimistic_lock_coupling 0.2.5 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate optimistic_lock_coupling 0.2.5 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate optimistic_lock_coupling 0.2.5 [INFO] finished tweaking crates.io crate optimistic_lock_coupling 0.2.5 [INFO] tweaked toml for crates.io crate optimistic_lock_coupling 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f290a9b255ef4281bbc1a716a14bc33b2c54993905a03c9aba94e4863565569 [INFO] running `Command { std: "docker" "start" "-a" "1f290a9b255ef4281bbc1a716a14bc33b2c54993905a03c9aba94e4863565569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f290a9b255ef4281bbc1a716a14bc33b2c54993905a03c9aba94e4863565569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f290a9b255ef4281bbc1a716a14bc33b2c54993905a03c9aba94e4863565569", kill_on_drop: false }` [INFO] [stdout] 1f290a9b255ef4281bbc1a716a14bc33b2c54993905a03c9aba94e4863565569 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9ecabadb89dd4272f32d778de04b93d9a71d2f80f9f63f3a964b1d38e1898a6 [INFO] running `Command { std: "docker" "start" "-a" "e9ecabadb89dd4272f32d778de04b93d9a71d2f80f9f63f3a964b1d38e1898a6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking optimistic_lock_coupling v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep` [INFO] [stdout] --> src/test.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | std::thread::sleep_ms(5000); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BenchmarkId`, `ParameterizedBenchmark` [INFO] [stdout] --> benches/benchmarks/compare_heavy_read.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{criterion_group, BenchmarkId, Criterion, Fun, ParameterizedBenchmark}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BenchmarkId`, `ParameterizedBenchmark` [INFO] [stdout] --> benches/benchmarks/compare_heavy_write.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{criterion_group, BenchmarkId, Criterion, Fun, ParameterizedBenchmark}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BenchmarkId`, `ParameterizedBenchmark` [INFO] [stdout] --> benches/benchmarks/compare_read_only.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{criterion_group, BenchmarkId, Criterion, Fun, ParameterizedBenchmark}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BenchmarkId`, `ParameterizedBenchmark` [INFO] [stdout] --> benches/benchmarks/compare_write_only.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{criterion_group, BenchmarkId, Criterion, Fun, ParameterizedBenchmark}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLock` [INFO] [stdout] --> benches/benchmarks/mod.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> src/test.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | static mut lock: Option> = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_heavy_read.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_heavy_read.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_heavy_write.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_heavy_write.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_read_only.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_read_only.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 34 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_write_only.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `lock` should have an upper case name [INFO] [stdout] --> benches/benchmarks/compare_write_only.rs:31:16 [INFO] [stdout] | [INFO] [stdout] 31 | static mut lock: Option = None; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `LOCK` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.79s [INFO] running `Command { std: "docker" "inspect" "e9ecabadb89dd4272f32d778de04b93d9a71d2f80f9f63f3a964b1d38e1898a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9ecabadb89dd4272f32d778de04b93d9a71d2f80f9f63f3a964b1d38e1898a6", kill_on_drop: false }` [INFO] [stdout] e9ecabadb89dd4272f32d778de04b93d9a71d2f80f9f63f3a964b1d38e1898a6