[INFO] fetching crate bench-rs 0.2.4...
[INFO] testing bench-rs-0.2.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-process v1.3.0
[INFO] [stderr]   Downloaded argh_derive v0.1.7
[INFO] [stderr]   Downloaded pin-project v0.4.29
[INFO] [stderr]   Downloaded pin-project-internal v0.4.29
[INFO] [stderr]   Downloaded argh_shared v0.1.7
[INFO] [stderr]   Downloaded argh v0.1.7
[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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f563188306783148d7cea8c0157cd6ea353da5900e772601b4a16e7f4b2bb92c
[INFO] running `Command { std: "docker" "start" "-a" "f563188306783148d7cea8c0157cd6ea353da5900e772601b4a16e7f4b2bb92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f563188306783148d7cea8c0157cd6ea353da5900e772601b4a16e7f4b2bb92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f563188306783148d7cea8c0157cd6ea353da5900e772601b4a16e7f4b2bb92c", kill_on_drop: false }`
[INFO] [stdout] f563188306783148d7cea8c0157cd6ea353da5900e772601b4a16e7f4b2bb92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f579a428e70b72f334ed3ce80683ef210bab56197a411379b95418a7fa77989
[INFO] running `Command { std: "docker" "start" "-a" "4f579a428e70b72f334ed3ce80683ef210bab56197a411379b95418a7fa77989", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling bunt-macros v0.2.5
[INFO] [stderr]    Compiling bunt v0.2.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling pin-project v0.4.29
[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 6.10s
[INFO] running `Command { std: "docker" "inspect" "4f579a428e70b72f334ed3ce80683ef210bab56197a411379b95418a7fa77989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f579a428e70b72f334ed3ce80683ef210bab56197a411379b95418a7fa77989", kill_on_drop: false }`
[INFO] [stdout] 4f579a428e70b72f334ed3ce80683ef210bab56197a411379b95418a7fa77989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc9d2ecf9b7d42c3ad59b8618a19e902bd7ea5c3a745e42c8ea5e6a94df726db
[INFO] running `Command { std: "docker" "start" "-a" "bc9d2ecf9b7d42c3ad59b8618a19e902bd7ea5c3a745e42c8ea5e6a94df726db", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling async-lock v2.5.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling argh_derive v0.1.7
[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 polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling async-global-executor v2.0.4
[INFO] [stderr]    Compiling async-std v1.11.0
[INFO] [stderr]    Compiling argh v0.1.7
[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 v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling bench-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "bc9d2ecf9b7d42c3ad59b8618a19e902bd7ea5c3a745e42c8ea5e6a94df726db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9d2ecf9b7d42c3ad59b8618a19e902bd7ea5c3a745e42c8ea5e6a94df726db", kill_on_drop: false }`
[INFO] [stdout] bc9d2ecf9b7d42c3ad59b8618a19e902bd7ea5c3a745e42c8ea5e6a94df726db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1804be2faac3ef26cccfec044f3a298431ac080d59bcdb28df99d6ab13b4eab
[INFO] running `Command { std: "docker" "start" "-a" "d1804be2faac3ef26cccfec044f3a298431ac080d59bcdb28df99d6ab13b4eab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bench_rs-d4e22bc91e41ac82)
[INFO] [stderr]      Running tests/bench.rs (/opt/rustwide/target/debug/deps/bench-e0dbca7515f1e743)
[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 test_bencher ... ok
[INFO] [stdout] test_base64 ... 30,581 ns/iter (+/- 8,771) = 32.70 MB/s
[INFO] [stdout] 	 memory usage: 572 bytes/iter (+/- 4,310)
[INFO] [stdout] 	 @Total: 1000 * 21 iters
[INFO] [stdout] test test_base64 ... ok
[INFO] [stdout] test_rcnb_encoding ... 413,623 ns/iter (+/- 198,485) = 2.42 MB/s
[INFO] [stdout] 	 memory usage: 5,132 bytes/iter (+/- 65,948)
[INFO] [stdout] 	 @Total: 1000 * 2 iters
[INFO] [stdout] test test_rcnb ... ok
[INFO] [stdout] test_async_with_tokio ... 20,127,691 ns/iter (+/- 363,599) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 2,564 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] test_async_with_smol ... 20,136,625 ns/iter (+/- 974,990) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 3,920 bytes/iter (+/- 15,816)
[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 ... 20,143,760 ns/iter (+/- 1,193,379) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 3,837 bytes/iter (+/- 15,816)
[INFO] [stdout] 	 @Total: 100 * 1 iters
[INFO] [stdout] 	 @avg 2 polls 
[INFO] [stdout] test test_async_with_futures ... ok
[INFO] [stderr]    Doc-tests bench-rs
[INFO] [stdout] test_async_with_async_std ... 20,138,577 ns/iter (+/- 860,941) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 4,500 bytes/iter (+/- 26,816)
[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 2.04s
[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" "d1804be2faac3ef26cccfec044f3a298431ac080d59bcdb28df99d6ab13b4eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1804be2faac3ef26cccfec044f3a298431ac080d59bcdb28df99d6ab13b4eab", kill_on_drop: false }`
[INFO] [stdout] d1804be2faac3ef26cccfec044f3a298431ac080d59bcdb28df99d6ab13b4eab