[INFO] fetching crate bench-rs 0.2.4... [INFO] testing bench-rs-0.2.4 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bench-rs 0.2.4 [INFO] finished tweaking crates.io crate bench-rs 0.2.4 [INFO] tweaked toml for crates.io crate bench-rs 0.2.4 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 064a165eae9d9fa88ca9a213019a4e66b09e37c4f501d9ff21ca77ff7d3f49a2 [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" "064a165eae9d9fa88ca9a213019a4e66b09e37c4f501d9ff21ca77ff7d3f49a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "064a165eae9d9fa88ca9a213019a4e66b09e37c4f501d9ff21ca77ff7d3f49a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "064a165eae9d9fa88ca9a213019a4e66b09e37c4f501d9ff21ca77ff7d3f49a2", kill_on_drop: false }` [INFO] [stdout] 064a165eae9d9fa88ca9a213019a4e66b09e37c4f501d9ff21ca77ff7d3f49a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 027638c043893448a5fe6135481be94cc820df7f8682edc2a71dc0a08935a6c3 [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" "027638c043893448a5fe6135481be94cc820df7f8682edc2a71dc0a08935a6c3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling bunt-macros v0.2.4 [INFO] [stderr] Compiling bunt v0.2.4 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling bencher-macro v0.1.1 [INFO] [stderr] Compiling pin-project v0.4.28 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.30s [INFO] running `Command { std: "docker" "inspect" "027638c043893448a5fe6135481be94cc820df7f8682edc2a71dc0a08935a6c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "027638c043893448a5fe6135481be94cc820df7f8682edc2a71dc0a08935a6c3", kill_on_drop: false }` [INFO] [stdout] 027638c043893448a5fe6135481be94cc820df7f8682edc2a71dc0a08935a6c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68f3973168d927b82097adc814f85a66253ce237cc6dcfcdc4005c337f6977f2 [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" "68f3973168d927b82097adc814f85a66253ce237cc6dcfcdc4005c337f6977f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling fastrand v1.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling async-task v4.0.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling async-lock v2.4.0 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling polling v2.0.3 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling async-io v1.4.1 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling async-fs v1.5.0 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-process v1.1.0 [INFO] [stderr] Compiling async-net v1.6.0 [INFO] [stderr] Compiling async-std v1.9.0 [INFO] [stderr] Compiling smol v1.2.5 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling rcnb-rs v0.1.0 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 30.32s [INFO] running `Command { std: "docker" "inspect" "68f3973168d927b82097adc814f85a66253ce237cc6dcfcdc4005c337f6977f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68f3973168d927b82097adc814f85a66253ce237cc6dcfcdc4005c337f6977f2", kill_on_drop: false }` [INFO] [stdout] 68f3973168d927b82097adc814f85a66253ce237cc6dcfcdc4005c337f6977f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4e3a27f8162907469b86eb72b3dccee2144e658f376033946d3f831eaf22b57a [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" "4e3a27f8162907469b86eb72b3dccee2144e658f376033946d3f831eaf22b57a", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bench_rs-5c38a667946b8249) [INFO] [stderr] Running tests/bench.rs (/opt/rustwide/target/debug/deps/bench-9a9bbd23f4f1b4ac) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test_base64 ... 60,712 ns/iter (+/- 8,077,793) = 16.47 MB/s [INFO] [stdout] memory usage: 2,044 bytes/iter (+/- 28,248) [INFO] [stdout] @Total: 1000 * 1 iters [INFO] [stdout] test test_base64 ... ok [INFO] [stdout] test test_bencher ... ok [INFO] [stdout] test_rcnb_encoding ... 1,041,003 ns/iter (+/- 19,922,482) = 0.96 MB/s [INFO] [stdout] memory usage: 11,172 bytes/iter (+/- 40,704) [INFO] [stdout] @Total: 1000 * 1 iters [INFO] [stdout] test test_rcnb ... ok [INFO] [stdout] test_async_with_futures ... 21,525,385 ns/iter (+/- 11,919,520) = 0.00 MB/s [INFO] [stdout] memory usage: 2,867 bytes/iter (+/- 27,000) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_futures ... ok [INFO] [stdout] test_async_with_smol ... 21,566,956 ns/iter (+/- 11,983,392) = 0.00 MB/s [INFO] [stdout] memory usage: 2,777 bytes/iter (+/- 15,776) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_smol ... ok [INFO] [stdout] test_async_with_async_std ... 21,453,944 ns/iter (+/- 11,916,960) = 0.00 MB/s [INFO] [stdout] memory usage: 583 bytes/iter (+/- 10,000) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_async_std ... ok [INFO] [stdout] test_async_with_tokio ... 21,779,177 ns/iter (+/- 19,950,821) = 0.00 MB/s [INFO] [stdout] memory usage: 2,590 bytes/iter (+/- 14,000) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_tokio ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.23s [INFO] [stdout] [INFO] [stderr] Doc-tests bench-rs [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4e3a27f8162907469b86eb72b3dccee2144e658f376033946d3f831eaf22b57a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e3a27f8162907469b86eb72b3dccee2144e658f376033946d3f831eaf22b57a", kill_on_drop: false }` [INFO] [stdout] 4e3a27f8162907469b86eb72b3dccee2144e658f376033946d3f831eaf22b57a