[INFO] crate snowflake-rs 0.1.1 is already in cache
[INFO] testing snowflake-rs-0.1.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate snowflake-rs 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate snowflake-rs 0.1.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snowflake-rs 0.1.1
[INFO] finished tweaking crates.io crate snowflake-rs 0.1.1
[INFO] tweaked toml for crates.io crate snowflake-rs 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a160a72e0a60b53816fbbee8e2526d88041e9b47ddf4fb150a25ff7223e69151
[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" "a160a72e0a60b53816fbbee8e2526d88041e9b47ddf4fb150a25ff7223e69151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a160a72e0a60b53816fbbee8e2526d88041e9b47ddf4fb150a25ff7223e69151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a160a72e0a60b53816fbbee8e2526d88041e9b47ddf4fb150a25ff7223e69151", kill_on_drop: false }`
[INFO] [stdout] a160a72e0a60b53816fbbee8e2526d88041e9b47ddf4fb150a25ff7223e69151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] e131e7c0a22cd2d02ec60cc1939e0e39ebcf95aa012e197cb3bdb6304547cf67
[INFO] running `Command { std: "docker" "start" "-a" "e131e7c0a22cd2d02ec60cc1939e0e39ebcf95aa012e197cb3bdb6304547cf67", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling snowflake-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "e131e7c0a22cd2d02ec60cc1939e0e39ebcf95aa012e197cb3bdb6304547cf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e131e7c0a22cd2d02ec60cc1939e0e39ebcf95aa012e197cb3bdb6304547cf67", kill_on_drop: false }`
[INFO] [stdout] e131e7c0a22cd2d02ec60cc1939e0e39ebcf95aa012e197cb3bdb6304547cf67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce6c099e0c2ca2b5d383a21247f571a35c56d2f0c73987b388bdd9c07df1165
[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" "cce6c099e0c2ca2b5d383a21247f571a35c56d2f0c73987b388bdd9c07df1165", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowflake-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/snowflake.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             t.join();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "cce6c099e0c2ca2b5d383a21247f571a35c56d2f0c73987b388bdd9c07df1165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce6c099e0c2ca2b5d383a21247f571a35c56d2f0c73987b388bdd9c07df1165", kill_on_drop: false }`
[INFO] [stdout] cce6c099e0c2ca2b5d383a21247f571a35c56d2f0c73987b388bdd9c07df1165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 147b31663e8abc818704056197826c10770560f9071ff2bc6d7193361953bafd
[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" "147b31663e8abc818704056197826c10770560f9071ff2bc6d7193361953bafd", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/snowflake.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             t.join();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snowflake_rs-6cb5037440bb00fa
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test snowflake::test::loop_test ... ok
[INFO] [stdout] multi thread:[1] generate 1000 ids cost 0.000213841 s
[INFO] [stdout] multi thread:[8] generate 1000 ids cost 0.000455119 s
[INFO] [stdout] multi thread:[4] generate 1000 ids cost 0.001441116 s
[INFO] [stdout] multi thread:[2] generate 1000 ids cost 0.002539255 s
[INFO] [stdout] multi thread:[3] generate 1000 ids cost 0.002657694 s
[INFO] [stdout] multi thread:[6] generate 1000 ids cost 0.002721595 s
[INFO] [stdout] multi thread:[5] generate 1000 ids cost 0.003128633 s
[INFO] [stdout] multi thread:[7] generate 1000 ids cost 0.004107387 s
[INFO] [stdout] multi thread:[9] generate 1000 ids cost 0.008092761 s
[INFO] [stderr]    Doc-tests snowflake-rs
[INFO] [stdout] test snowflake::test::multi_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "147b31663e8abc818704056197826c10770560f9071ff2bc6d7193361953bafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147b31663e8abc818704056197826c10770560f9071ff2bc6d7193361953bafd", kill_on_drop: false }`
[INFO] [stdout] 147b31663e8abc818704056197826c10770560f9071ff2bc6d7193361953bafd