[INFO] fetching crate basiccountminsketch 0.1.2...
[INFO] testing basiccountminsketch-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate basiccountminsketch 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate basiccountminsketch 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basiccountminsketch 0.1.2
[INFO] finished tweaking crates.io crate basiccountminsketch 0.1.2
[INFO] tweaked toml for crates.io crate basiccountminsketch 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04057c9d3d1dc05940a6e2283ebe04c0545e1bf3d3c3e0f68bec03de7d7efaa7
[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" "04057c9d3d1dc05940a6e2283ebe04c0545e1bf3d3c3e0f68bec03de7d7efaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04057c9d3d1dc05940a6e2283ebe04c0545e1bf3d3c3e0f68bec03de7d7efaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04057c9d3d1dc05940a6e2283ebe04c0545e1bf3d3c3e0f68bec03de7d7efaa7", kill_on_drop: false }`
[INFO] [stdout] 04057c9d3d1dc05940a6e2283ebe04c0545e1bf3d3c3e0f68bec03de7d7efaa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 767bcb33ea7a6d6d3e17c7734e020dede521699223d6c6b95a58aab5e3883104
[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" "767bcb33ea7a6d6d3e17c7734e020dede521699223d6c6b95a58aab5e3883104", kill_on_drop: false }`
[INFO] [stderr]    Compiling basiccountminsketch v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "767bcb33ea7a6d6d3e17c7734e020dede521699223d6c6b95a58aab5e3883104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767bcb33ea7a6d6d3e17c7734e020dede521699223d6c6b95a58aab5e3883104", kill_on_drop: false }`
[INFO] [stdout] 767bcb33ea7a6d6d3e17c7734e020dede521699223d6c6b95a58aab5e3883104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f231e7e5c3e2cfb3cca5c39bec652de98fbe176fdb258b893438379161a4afac
[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" "f231e7e5c3e2cfb3cca5c39bec652de98fbe176fdb258b893438379161a4afac", kill_on_drop: false }`
[INFO] [stderr]    Compiling basiccountminsketch v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "f231e7e5c3e2cfb3cca5c39bec652de98fbe176fdb258b893438379161a4afac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f231e7e5c3e2cfb3cca5c39bec652de98fbe176fdb258b893438379161a4afac", kill_on_drop: false }`
[INFO] [stdout] f231e7e5c3e2cfb3cca5c39bec652de98fbe176fdb258b893438379161a4afac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d7fab86a623fe9f2978f947b65d2a79fa87da01d0eb1f53e9395082a5aee0c5
[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" "1d7fab86a623fe9f2978f947b65d2a79fa87da01d0eb1f53e9395082a5aee0c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basiccms-8651dcc18a71fb14
[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] [stderr]      Running /opt/rustwide/target/debug/deps/addition-f849557eb44dabc7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::but_you_can_add_together_two_sketches_from_a_common_base ... ok
[INFO] [stdout] test tests::you_cannot_add_two_sketches_together_if_they_have_different_hashers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/counting-3e007d11c80bf97e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::we_should_be_able_to_keep_track_of_an_addition ... ok
[INFO] [stdout] test tests::we_should_be_able_to_count_repetitions ... ok
[INFO] [stdout] test tests::can_add_any_hashable_type ... ok
[INFO] [stdout] test tests::we_should_be_able_to_add_very_many_elements ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/creation-c428155d81ca4917
[INFO] [stdout] test tests::we_should_be_able_to_add_heterogenuously ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::rejects_delta_above_one ... ok
[INFO] [stdout] test tests::rejects_negative_epsilon ... ok
[INFO] [stderr]    Doc-tests basiccms
[INFO] [stdout] test tests::rejects_negative_delta ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "1d7fab86a623fe9f2978f947b65d2a79fa87da01d0eb1f53e9395082a5aee0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7fab86a623fe9f2978f947b65d2a79fa87da01d0eb1f53e9395082a5aee0c5", kill_on_drop: false }`
[INFO] [stdout] 1d7fab86a623fe9f2978f947b65d2a79fa87da01d0eb1f53e9395082a5aee0c5