[INFO] fetching crate streamhist 0.0.1-alpha.3...
[INFO] testing streamhist-0.0.1-alpha.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate streamhist 0.0.1-alpha.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate streamhist 0.0.1-alpha.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streamhist 0.0.1-alpha.3
[INFO] finished tweaking crates.io crate streamhist 0.0.1-alpha.3
[INFO] tweaked toml for crates.io crate streamhist 0.0.1-alpha.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate streamhist 0.0.1-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3386137041b1ca6f6a03c7fe4a6bc62ff25cc1981c6bcdcb91c7fa43085f79c
[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" "f3386137041b1ca6f6a03c7fe4a6bc62ff25cc1981c6bcdcb91c7fa43085f79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3386137041b1ca6f6a03c7fe4a6bc62ff25cc1981c6bcdcb91c7fa43085f79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3386137041b1ca6f6a03c7fe4a6bc62ff25cc1981c6bcdcb91c7fa43085f79c", kill_on_drop: false }`
[INFO] [stdout] f3386137041b1ca6f6a03c7fe4a6bc62ff25cc1981c6bcdcb91c7fa43085f79c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 2a637faf1be469d838cbb14e1c2a9f9553305fbd9e5410c8b780bb2a68d39edb
[INFO] running `Command { std: "docker" "start" "-a" "2a637faf1be469d838cbb14e1c2a9f9553305fbd9e5410c8b780bb2a68d39edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling streamhist v0.0.1-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "2a637faf1be469d838cbb14e1c2a9f9553305fbd9e5410c8b780bb2a68d39edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a637faf1be469d838cbb14e1c2a9f9553305fbd9e5410c8b780bb2a68d39edb", kill_on_drop: false }`
[INFO] [stdout] 2a637faf1be469d838cbb14e1c2a9f9553305fbd9e5410c8b780bb2a68d39edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] bb26a79e3fddaa34c93f409242878dabcbfd331362f69cfb9dc2210fa8629d93
[INFO] running `Command { std: "docker" "start" "-a" "bb26a79e3fddaa34c93f409242878dabcbfd331362f69cfb9dc2210fa8629d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_isaac v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling streamhist v0.0.1-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/streamhist-0ba1dabb9d99208a)
[INFO] running `Command { std: "docker" "inspect" "bb26a79e3fddaa34c93f409242878dabcbfd331362f69cfb9dc2210fa8629d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb26a79e3fddaa34c93f409242878dabcbfd331362f69cfb9dc2210fa8629d93", kill_on_drop: false }`
[INFO] [stdout] bb26a79e3fddaa34c93f409242878dabcbfd331362f69cfb9dc2210fa8629d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35ce16f54c6b869300e953c65bd3b5bc12118d01e87f4ca2ae6a64e6ee6dbf18
[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" "35ce16f54c6b869300e953c65bd3b5bc12118d01e87f4ca2ae6a64e6ee6dbf18", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/streamhist-0ba1dabb9d99208a)
[INFO] [stdout] test tests::test_max_centroids ... ok
[INFO] [stdout] test tests::test_merge ... ok
[INFO] [stdout] test tests::test_empty_struct ... ok
[INFO] [stdout] test tests::test_same_value ... ok
[INFO] [stdout] test tests::test_all_values_the_same ... ok
[INFO] [stdout] test tests::test_closest_centroids ... ok
[INFO] [stdout] test tests::test_default_ctor ... ok
[INFO] [stdout] test tests::test_basic_ctor ... ok
[INFO] [stdout] test tests::test_normal_distribution_one_centroid ... ok
[INFO] [stdout] test tests::test_zero_centroids - should panic ... ok
[INFO] [stdout] test tests::test_uniform_distribution ... ok
[INFO] [stdout] test tests::test_log_normal_distribution ... ok
[INFO] [stdout] test tests::test_exp_distribution ... ok
[INFO] [stdout] test tests::test_normal_distribution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests streamhist
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - StreamingHistogram::quantile (line 334) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::median (line 392) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::mean (line 258) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::new (line 117) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::merge (line 407) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::clear (line 139) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::count (line 169) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::max (line 183) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::count_less_then_eq (line 431) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::is_empty (line 157) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::var (line 284) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::new (line 108) ... ok
[INFO] [stdout] test src/lib.rs - StreamingHistogram::min (line 201) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35ce16f54c6b869300e953c65bd3b5bc12118d01e87f4ca2ae6a64e6ee6dbf18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ce16f54c6b869300e953c65bd3b5bc12118d01e87f4ca2ae6a64e6ee6dbf18", kill_on_drop: false }`
[INFO] [stdout] 35ce16f54c6b869300e953c65bd3b5bc12118d01e87f4ca2ae6a64e6ee6dbf18