[INFO] fetching crate bench-rs 0.2.4... [INFO] testing bench-rs-0.2.4 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 407fce6422f16d6889ec1ab2b5bf13f74177613c25eb066ad1ff57d6790b7070 [INFO] running `Command { std: "docker" "start" "-a" "407fce6422f16d6889ec1ab2b5bf13f74177613c25eb066ad1ff57d6790b7070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "407fce6422f16d6889ec1ab2b5bf13f74177613c25eb066ad1ff57d6790b7070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "407fce6422f16d6889ec1ab2b5bf13f74177613c25eb066ad1ff57d6790b7070", kill_on_drop: false }` [INFO] [stdout] 407fce6422f16d6889ec1ab2b5bf13f74177613c25eb066ad1ff57d6790b7070 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2198ac0cf1899bc11d6091ecf7ae3a5fa2335d195a904350655a8c366107f34 [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" "c2198ac0cf1899bc11d6091ecf7ae3a5fa2335d195a904350655a8c366107f34", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.52 [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 serde_derive v1.0.117 [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 v0.4.27 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling bench-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 58.75s [INFO] running `Command { std: "docker" "inspect" "c2198ac0cf1899bc11d6091ecf7ae3a5fa2335d195a904350655a8c366107f34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2198ac0cf1899bc11d6091ecf7ae3a5fa2335d195a904350655a8c366107f34", kill_on_drop: false }` [INFO] [stdout] c2198ac0cf1899bc11d6091ecf7ae3a5fa2335d195a904350655a8c366107f34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 8a2b414a092c4b128830fbb90405f3e720a979146b286c2180680d2e10ba19c7 [INFO] running `Command { std: "docker" "start" "-a" "8a2b414a092c4b128830fbb90405f3e720a979146b286c2180680d2e10ba19c7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling futures-io v0.3.8 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling async-lock v2.3.0 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling tokio v0.2.23 [INFO] [stderr] Compiling async-channel v1.5.1 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling futures-lite v1.11.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling nb-connect v1.0.2 [INFO] [stderr] Compiling polling v2.0.2 [INFO] [stderr] Compiling signal-hook-registry v1.2.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook v0.1.16 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling async-io v1.2.0 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling async-executor v1.4.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling async-fs v1.5.0 [INFO] [stderr] Compiling async-process v1.0.1 [INFO] [stderr] Compiling async-global-executor v1.4.3 [INFO] [stderr] Compiling async-net v1.5.0 [INFO] [stderr] Compiling async-std v1.7.0 [INFO] [stderr] Compiling pin-project v1.0.2 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling smol v1.2.4 [INFO] [stderr] Compiling argh v0.1.4 [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 v0.3.8 [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 50.38s [INFO] running `Command { std: "docker" "inspect" "8a2b414a092c4b128830fbb90405f3e720a979146b286c2180680d2e10ba19c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a2b414a092c4b128830fbb90405f3e720a979146b286c2180680d2e10ba19c7", kill_on_drop: false }` [INFO] [stdout] 8a2b414a092c4b128830fbb90405f3e720a979146b286c2180680d2e10ba19c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] cd3b95fe1bd74e26be82b4476a808db04f9b7a5daf5b1d85a22fbdd33ebc68c3 [INFO] running `Command { std: "docker" "start" "-a" "cd3b95fe1bd74e26be82b4476a808db04f9b7a5daf5b1d85a22fbdd33ebc68c3", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bench_rs-3d313f210ec0e499 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bench-d7bf66db1c5ebdbf [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_bencher ... ok [INFO] [stdout] test_base64 ... 67,191 ns/iter (+/- 1,450,401) = 14.88 MB/s [INFO] [stdout] memory usage: 402 bytes/iter (+/- 8,196) [INFO] [stdout] @Total: 1000 * 19 iters [INFO] [stdout] test test_base64 ... ok [INFO] [stdout] test_rcnb_encoding ... 1,426,293 ns/iter (+/- 31,811,617) = 0.70 MB/s [INFO] [stdout] memory usage: 9,450 bytes/iter (+/- 84,511) [INFO] [stdout] @Total: 1000 * 1 iters [INFO] [stdout] test test_rcnb ... ok [INFO] [stdout] test_async_with_futures ... 21,588,666 ns/iter (+/- 15,638,997) = 0.00 MB/s [INFO] [stdout] memory usage: 3,857 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] test_async_with_tokio ... 21,570,280 ns/iter (+/- 15,626,098) = 0.00 MB/s [INFO] [stdout] memory usage: 1,311 bytes/iter (+/- 11,776) [INFO] [stdout] @Total: 100 * 1 iters [INFO] [stdout] @avg 2 polls [INFO] [stdout] test test_async_with_tokio ... ok [INFO] [stdout] test_async_with_smol ... 21,598,160 ns/iter (+/- 15,650,188) = 0.00 MB/s [INFO] [stdout] memory usage: 2,043 bytes/iter (+/- 26,776) [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 ... 21,506,734 ns/iter (+/- 15,642,492) = 0.00 MB/s [INFO] [stdout] memory usage: 846 bytes/iter (+/- 15,776) [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 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cd3b95fe1bd74e26be82b4476a808db04f9b7a5daf5b1d85a22fbdd33ebc68c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd3b95fe1bd74e26be82b4476a808db04f9b7a5daf5b1d85a22fbdd33ebc68c3", kill_on_drop: false }` [INFO] [stdout] cd3b95fe1bd74e26be82b4476a808db04f9b7a5daf5b1d85a22fbdd33ebc68c3