[INFO] cloning repository https://github.com/LemonHX/optimistic_lock_coupling_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LemonHX/optimistic_lock_coupling_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemonHX%2Foptimistic_lock_coupling_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemonHX%2Foptimistic_lock_coupling_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67a9bd4e457b210c2ca2305fa739be894bec584e [INFO] checking LemonHX/optimistic_lock_coupling_rs against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemonHX%2Foptimistic_lock_coupling_rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LemonHX/optimistic_lock_coupling_rs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LemonHX/optimistic_lock_coupling_rs [INFO] finished tweaking git repo https://github.com/LemonHX/optimistic_lock_coupling_rs [INFO] tweaked toml for git repo https://github.com/LemonHX/optimistic_lock_coupling_rs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/LemonHX/optimistic_lock_coupling_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-epoch v0.9.3 [INFO] [stderr] Downloaded regex v1.4.5 [INFO] [stderr] Downloaded cast v0.2.4 [INFO] [stderr] Downloaded regex-automata v0.1.9 [INFO] [stderr] Downloaded memoffset v0.6.3 [INFO] [stderr] Downloaded itertools v0.10.0 [INFO] [stderr] Downloaded bstr v0.2.15 [INFO] [stderr] Downloaded plotters-backend v0.3.0 [INFO] [stderr] Downloaded plotters-svg v0.3.0 [INFO] [stderr] Downloaded syn v1.0.69 [INFO] [stderr] Downloaded plotters v0.3.0 [INFO] [stderr] Downloaded regex-syntax v0.6.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b70577560e15aff4009c25975088c0ff6b0b01e6da839abb778df1ffa0c42043 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b70577560e15aff4009c25975088c0ff6b0b01e6da839abb778df1ffa0c42043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b70577560e15aff4009c25975088c0ff6b0b01e6da839abb778df1ffa0c42043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b70577560e15aff4009c25975088c0ff6b0b01e6da839abb778df1ffa0c42043", kill_on_drop: false }` [INFO] [stdout] b70577560e15aff4009c25975088c0ff6b0b01e6da839abb778df1ffa0c42043 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6f400d6ca1cf06aa787ea03168b75297a8176e12b9c5ab4cd866190fae00babd [INFO] running `Command { std: "docker" "start" "-a" "6f400d6ca1cf06aa787ea03168b75297a8176e12b9c5ab4cd866190fae00babd", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking optimistic_lock_coupling v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling cast v0.2.4 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking rayon v1.5.0 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [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: 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: 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: 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 40.72s [INFO] running `Command { std: "docker" "inspect" "6f400d6ca1cf06aa787ea03168b75297a8176e12b9c5ab4cd866190fae00babd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f400d6ca1cf06aa787ea03168b75297a8176e12b9c5ab4cd866190fae00babd", kill_on_drop: false }` [INFO] [stdout] 6f400d6ca1cf06aa787ea03168b75297a8176e12b9c5ab4cd866190fae00babd