[INFO] fetching crate bench-rs 0.2.4... [INFO] testing bench-rs-0.2.4 against beta-2021-08-22 for beta-1.55-2 [INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain beta-2021-08-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded litrs v0.2.3 [INFO] [stderr] Downloaded bunt-macros v0.2.5 [INFO] [stderr] Downloaded bunt v0.2.5 [INFO] [stderr] Downloaded rcnb-rs v0.1.0 [INFO] [stderr] Downloaded bencher-macro v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-22" "metadata" "--no-deps" "--format-version=1", 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] d75be8c578a2653f3ddf493ac2cf964b8abd9d779bfb51b82249a8d6dd477db2 [INFO] running `Command { std: "docker" "start" "-a" "d75be8c578a2653f3ddf493ac2cf964b8abd9d779bfb51b82249a8d6dd477db2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d75be8c578a2653f3ddf493ac2cf964b8abd9d779bfb51b82249a8d6dd477db2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d75be8c578a2653f3ddf493ac2cf964b8abd9d779bfb51b82249a8d6dd477db2", kill_on_drop: false }` [INFO] [stdout] d75be8c578a2653f3ddf493ac2cf964b8abd9d779bfb51b82249a8d6dd477db2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2021-08-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc4c5f8a03adb23a2ec77bb5809f67a55a4d49361f25b6e3b17860c0969df656 [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" "bc4c5f8a03adb23a2ec77bb5809f67a55a4d49361f25b6e3b17860c0969df656", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling litrs v0.2.3 [INFO] [stderr] Compiling bunt-macros v0.2.5 [INFO] [stderr] Compiling bunt v0.2.5 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling serde_derive v1.0.129 [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 serde v1.0.129 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.96s [INFO] running `Command { std: "docker" "inspect" "bc4c5f8a03adb23a2ec77bb5809f67a55a4d49361f25b6e3b17860c0969df656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc4c5f8a03adb23a2ec77bb5809f67a55a4d49361f25b6e3b17860c0969df656", kill_on_drop: false }` [INFO] [stdout] bc4c5f8a03adb23a2ec77bb5809f67a55a4d49361f25b6e3b17860c0969df656 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2021-08-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2521650b4fa6144172cf7ac538a3b89044172003525555a419fc77fb066e5333 [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" "2521650b4fa6144172cf7ac538a3b89044172003525555a419fc77fb066e5333", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-io v0.3.16 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling fastrand v1.5.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling async-task v4.0.3 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling siphasher v0.3.6 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling futures-sink v0.3.16 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling socket2 v0.4.1 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling async-lock v2.4.0 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling async-fs v1.5.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling polling v2.1.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling async-io v1.6.0 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-net v1.6.1 [INFO] [stderr] Compiling async-process v1.2.0 [INFO] [stderr] Compiling async-std v1.10.0 [INFO] [stderr] Compiling smol v1.2.5 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling rcnb-rs v0.1.0 [INFO] [stderr] Compiling futures-executor v0.3.16 [INFO] [stderr] Compiling futures v0.3.16 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "2521650b4fa6144172cf7ac538a3b89044172003525555a419fc77fb066e5333", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2521650b4fa6144172cf7ac538a3b89044172003525555a419fc77fb066e5333", kill_on_drop: false }` [INFO] [stdout] 2521650b4fa6144172cf7ac538a3b89044172003525555a419fc77fb066e5333 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2021-08-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ddb829ac33820e34ff858ade331a6542a00fdb837e4254e8e06c01e81af73d28 [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" "ddb829ac33820e34ff858ade331a6542a00fdb837e4254e8e06c01e81af73d28", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bench_rs-3a06a48b3513bb8b) [INFO] [stdout] running 0 tests [INFO] [stderr] Running tests/bench.rs (/opt/rustwide/target/debug/deps/bench-98fa1b3fbf6ccb3c) [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_rcnb_encoding ... 853,739 ns/iter (+/- 20,093,551) = 1.17 MB/s [INFO] [stdout] memory usage: 9,247 bytes/iter (+/- 16,000) [INFO] [stdout] @Total: 1000 * 1 iters [INFO] [stdout] test test_rcnb ... ok [INFO] [stdout] test test_bencher ... ok [INFO] [stdout] test_base64 ... 67,312 ns/iter (+/- 2,255,807) = 14.86 MB/s [INFO] [stdout] memory usage: 526 bytes/iter (+/- 8,925) [INFO] [stdout] @Total: 1000 * 16 iters [INFO] [stdout] test test_base64 ... ok [INFO] [stdout] test_async_with_tokio ... 21,645,902 ns/iter (+/- 19,886,547) = 0.00 MB/s [INFO] [stdout] memory usage: 1,324 bytes/iter (+/- 13,776) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_tokio ... ok [INFO] [stdout] test_async_with_async_std ... 21,647,499 ns/iter (+/- 19,932,448) = 0.00 MB/s [INFO] [stdout] memory usage: 560 bytes/iter (+/- 7,776) [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_smol ... 21,924,255 ns/iter (+/- 27,837,825) = 0.00 MB/s [INFO] [stdout] memory usage: 2,355 bytes/iter (+/- 27,776) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_smol ... ok [INFO] [stdout] test_async_with_futures ... 21,887,918 ns/iter (+/- 23,967,137) = 0.00 MB/s [INFO] [stdout] memory usage: 3,354 bytes/iter (+/- 13,776) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_futures ... 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" "ddb829ac33820e34ff858ade331a6542a00fdb837e4254e8e06c01e81af73d28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddb829ac33820e34ff858ade331a6542a00fdb837e4254e8e06c01e81af73d28", kill_on_drop: false }` [INFO] [stdout] ddb829ac33820e34ff858ade331a6542a00fdb837e4254e8e06c01e81af73d28