[INFO] fetching crate bench-rs 0.2.4... [INFO] testing bench-rs-0.2.4 against beta-2021-05-23 for beta-1.52-2 [INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain beta-2021-05-23 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "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-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-net v1.6.0 [INFO] [stderr] Downloaded smol v1.2.5 [INFO] [stderr] Downloaded bunt-macros v0.2.4 [INFO] [stderr] Downloaded bunt v0.2.4 [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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-05-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e27220c7e6287e55b3f1453ee37349860c38ab3c41f8038aa481d12cce5ade4a [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" "e27220c7e6287e55b3f1453ee37349860c38ab3c41f8038aa481d12cce5ade4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e27220c7e6287e55b3f1453ee37349860c38ab3c41f8038aa481d12cce5ade4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e27220c7e6287e55b3f1453ee37349860c38ab3c41f8038aa481d12cce5ade4a", kill_on_drop: false }` [INFO] [stdout] e27220c7e6287e55b3f1453ee37349860c38ab3c41f8038aa481d12cce5ade4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cad157333b16c44099393abf344226afeb0b8b2e7bb931e5d0178f0e61dbd3c [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" "8cad157333b16c44099393abf344226afeb0b8b2e7bb931e5d0178f0e61dbd3c", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling syn v1.0.72 [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 serde_derive v1.0.126 [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 v1.0.126 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.00s [INFO] running `Command { std: "docker" "inspect" "8cad157333b16c44099393abf344226afeb0b8b2e7bb931e5d0178f0e61dbd3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cad157333b16c44099393abf344226afeb0b8b2e7bb931e5d0178f0e61dbd3c", kill_on_drop: false }` [INFO] [stdout] 8cad157333b16c44099393abf344226afeb0b8b2e7bb931e5d0178f0e61dbd3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32cb26c1b2dfc062fc1fbdbf5b7b1e399afe3dfe5ab52b1dc035769a32e3a63e [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" "32cb26c1b2dfc062fc1fbdbf5b7b1e399afe3dfe5ab52b1dc035769a32e3a63e", kill_on_drop: false }` [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling fastrand v1.4.1 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling signal-hook v0.3.8 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling async-lock v2.4.0 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling futures-lite v1.11.3 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling async-fs v1.5.0 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling polling v2.0.3 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling async-io v1.4.1 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-net v1.6.0 [INFO] [stderr] Compiling async-process v1.1.0 [INFO] [stderr] Compiling async-std v1.9.0 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling rcnb-rs v0.1.0 [INFO] [stderr] Compiling smol v1.2.5 [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 54.86s [INFO] running `Command { std: "docker" "inspect" "32cb26c1b2dfc062fc1fbdbf5b7b1e399afe3dfe5ab52b1dc035769a32e3a63e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32cb26c1b2dfc062fc1fbdbf5b7b1e399afe3dfe5ab52b1dc035769a32e3a63e", kill_on_drop: false }` [INFO] [stdout] 32cb26c1b2dfc062fc1fbdbf5b7b1e399afe3dfe5ab52b1dc035769a32e3a63e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cad739aee1b0fb506fb75bb33d8c2f6df2b9b9b9ca36b2f319f0254bd1de8a25 [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" "cad739aee1b0fb506fb75bb33d8c2f6df2b9b9b9ca36b2f319f0254bd1de8a25", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bench_rs-41ca622ebd02a5d3) [INFO] [stdout] [INFO] [stderr] Running tests/bench.rs (/opt/rustwide/target/debug/deps/bench-bf7969ea05efe646) [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 test_bencher ... ok [INFO] [stdout] test_base64 ... 65,785 ns/iter (+/- 970,968) = 15.20 MB/s [INFO] [stdout] memory usage: 450 bytes/iter (+/- 1,798) [INFO] [stdout] @Total: 1000 * 19 iters [INFO] [stdout] test test_base64 ... ok [INFO] [stdout] test_rcnb_encoding ... 1,286,350 ns/iter (+/- 36,157,080) = 0.78 MB/s [INFO] [stdout] memory usage: 8,544 bytes/iter (+/- 58,704) [INFO] [stdout] @Total: 1000 * 1 iters [INFO] [stdout] test test_rcnb ... ok [INFO] [stdout] test_async_with_tokio ... 21,520,247 ns/iter (+/- 10,169,619) = 0.00 MB/s [INFO] [stdout] memory usage: 967 bytes/iter (+/- 9,776) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_tokio ... ok [INFO] [stdout] test_async_with_futures ... 21,479,634 ns/iter (+/- 10,114,717) = 0.00 MB/s [INFO] [stdout] memory usage: 3,897 bytes/iter (+/- 31,408) [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 ... 21,448,346 ns/iter (+/- 10,205,421) = 0.00 MB/s [INFO] [stdout] memory usage: 2,007 bytes/iter (+/- 27,000) [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 ... 21,450,865 ns/iter (+/- 10,169,320) = 0.00 MB/s [INFO] [stdout] memory usage: 585 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] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.27s [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" "cad739aee1b0fb506fb75bb33d8c2f6df2b9b9b9ca36b2f319f0254bd1de8a25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cad739aee1b0fb506fb75bb33d8c2f6df2b9b9b9ca36b2f319f0254bd1de8a25", kill_on_drop: false }` [INFO] [stdout] cad739aee1b0fb506fb75bb33d8c2f6df2b9b9b9ca36b2f319f0254bd1de8a25