[INFO] fetching crate bench-rs 0.2.4... [INFO] testing bench-rs-0.2.4 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-lock v2.3.0 [INFO] [stderr] Downloaded argh_derive v0.1.4 [INFO] [stderr] Downloaded bencher-macro v0.1.1 [INFO] [stderr] Downloaded bunt v0.2.4 [INFO] [stderr] Downloaded bunt-macros v0.2.4 [INFO] [stderr] Downloaded rcnb-rs v0.1.0 [INFO] [stderr] Downloaded async-fs v1.5.0 [INFO] [stderr] Downloaded async-net v1.5.0 [INFO] [stderr] Downloaded smol v1.2.5 [INFO] [stderr] Downloaded argh_shared v0.1.4 [INFO] [stderr] Downloaded argh v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ea019c9e9894eeb8507c5a62e26b446cd37166a55e65b01ebe634aaa8268878 [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" "8ea019c9e9894eeb8507c5a62e26b446cd37166a55e65b01ebe634aaa8268878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ea019c9e9894eeb8507c5a62e26b446cd37166a55e65b01ebe634aaa8268878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ea019c9e9894eeb8507c5a62e26b446cd37166a55e65b01ebe634aaa8268878", kill_on_drop: false }` [INFO] [stdout] 8ea019c9e9894eeb8507c5a62e26b446cd37166a55e65b01ebe634aaa8268878 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f4d3f9bf28c245d58504cc3e96899bc0936ba3fe3590747307a191bae566490 [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" "5f4d3f9bf28c245d58504cc3e96899bc0936ba3fe3590747307a191bae566490", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling bunt-macros v0.2.4 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling bunt v0.2.4 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling pin-project v0.4.27 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling bencher-macro v0.1.1 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.41s [INFO] running `Command { std: "docker" "inspect" "5f4d3f9bf28c245d58504cc3e96899bc0936ba3fe3590747307a191bae566490", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f4d3f9bf28c245d58504cc3e96899bc0936ba3fe3590747307a191bae566490", kill_on_drop: false }` [INFO] [stdout] 5f4d3f9bf28c245d58504cc3e96899bc0936ba3fe3590747307a191bae566490 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] e734b1ae9e62a6a62bd41a3f9098701d8be8bfb18293b3894bbe359824c35a8d [INFO] running `Command { std: "docker" "start" "-a" "e734b1ae9e62a6a62bd41a3f9098701d8be8bfb18293b3894bbe359824c35a8d", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling async-lock v2.3.0 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling nb-connect v1.0.2 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling tokio v0.2.24 [INFO] [stderr] Compiling polling v2.0.2 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling futures-lite v1.11.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling async-io v1.3.1 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling async-executor v1.4.0 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling async-fs v1.5.0 [INFO] [stderr] Compiling async-net v1.5.0 [INFO] [stderr] Compiling async-process v1.0.1 [INFO] [stderr] Compiling async-global-executor v1.4.3 [INFO] [stderr] Compiling async-std v1.8.0 [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 v0.3.8 [INFO] [stderr] Compiling futures v0.3.8 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 49.31s [INFO] running `Command { std: "docker" "inspect" "e734b1ae9e62a6a62bd41a3f9098701d8be8bfb18293b3894bbe359824c35a8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e734b1ae9e62a6a62bd41a3f9098701d8be8bfb18293b3894bbe359824c35a8d", kill_on_drop: false }` [INFO] [stdout] e734b1ae9e62a6a62bd41a3f9098701d8be8bfb18293b3894bbe359824c35a8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 596d5feac69b16e2b8301bd4835b9d146b34ff3056e0343d430474006cd05143 [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" "596d5feac69b16e2b8301bd4835b9d146b34ff3056e0343d430474006cd05143", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bench_rs-fcb6faa6c2672981 [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bench-efd61c0a5b3b2391 [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 ... 74,061 ns/iter (+/- 20,206,027) = 13.50 MB/s [INFO] [stdout] memory usage: 1,833 bytes/iter (+/- 40,368) [INFO] [stdout] @Total: 1000 * 1 iters [INFO] [stdout] test test_base64 ... ok [INFO] [stdout] test_rcnb_encoding ... 671,258 ns/iter (+/- 28,169,789) = 1.49 MB/s [INFO] [stdout] memory usage: 11,711 bytes/iter (+/- 67,232) [INFO] [stdout] @Total: 1000 * 1 iters [INFO] [stdout] test test_rcnb ... ok [INFO] [stdout] test test_bencher ... ok [INFO] [stdout] test_async_with_tokio ... 20,938,519 ns/iter (+/- 8,713,915) = 0.00 MB/s [INFO] [stdout] memory usage: 1,783 bytes/iter (+/- 29,760) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_tokio ... ok [INFO] [stdout] test_async_with_futures ... 21,081,458 ns/iter (+/- 10,895,470) = 0.00 MB/s [INFO] [stdout] memory usage: 3,392 bytes/iter (+/- 28,000) [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 ... 21,010,691 ns/iter (+/- 10,535,445) = 0.00 MB/s [INFO] [stdout] memory usage: 3,565 bytes/iter (+/- 24,290) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_smol ... ok [INFO] [stderr] Doc-tests bench-rs [INFO] [stdout] test_async_with_async_std ... 20,927,291 ns/iter (+/- 10,565,946) = 0.00 MB/s [INFO] [stdout] memory usage: 1,650 bytes/iter (+/- 12,000) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_async_std ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.29s [INFO] [stdout] [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" "596d5feac69b16e2b8301bd4835b9d146b34ff3056e0343d430474006cd05143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "596d5feac69b16e2b8301bd4835b9d146b34ff3056e0343d430474006cd05143", kill_on_drop: false }` [INFO] [stdout] 596d5feac69b16e2b8301bd4835b9d146b34ff3056e0343d430474006cd05143