[INFO] fetching crate meansd 1.2.0...
[INFO] testing meansd-1.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate meansd 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate meansd 1.2.0 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 meansd 1.2.0
[INFO] finished tweaking crates.io crate meansd 1.2.0
[INFO] tweaked toml for crates.io crate meansd 1.2.0 written to /workspace/builds/worker-2/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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1f70d037a6c38cc9ea96198dee002d14d40e6b2ad331422fb1951937e352445
[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" "b1f70d037a6c38cc9ea96198dee002d14d40e6b2ad331422fb1951937e352445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f70d037a6c38cc9ea96198dee002d14d40e6b2ad331422fb1951937e352445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f70d037a6c38cc9ea96198dee002d14d40e6b2ad331422fb1951937e352445", kill_on_drop: false }`
[INFO] [stdout] b1f70d037a6c38cc9ea96198dee002d14d40e6b2ad331422fb1951937e352445
[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=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] 78cb18706d6dd2a3159e7a0bfc00f1b7725ff81baff7ceb28fef9ebfc796579d
[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" "78cb18706d6dd2a3159e7a0bfc00f1b7725ff81baff7ceb28fef9ebfc796579d", kill_on_drop: false }`
[INFO] [stderr]    Compiling meansd v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "78cb18706d6dd2a3159e7a0bfc00f1b7725ff81baff7ceb28fef9ebfc796579d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cb18706d6dd2a3159e7a0bfc00f1b7725ff81baff7ceb28fef9ebfc796579d", kill_on_drop: false }`
[INFO] [stdout] 78cb18706d6dd2a3159e7a0bfc00f1b7725ff81baff7ceb28fef9ebfc796579d
[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=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] 39ee3c570d66042428f602a78d83c5bd4e982f8be86e8a15f309c9238b5c1fb8
[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" "39ee3c570d66042428f602a78d83c5bd4e982f8be86e8a15f309c9238b5c1fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling meansd v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "39ee3c570d66042428f602a78d83c5bd4e982f8be86e8a15f309c9238b5c1fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ee3c570d66042428f602a78d83c5bd4e982f8be86e8a15f309c9238b5c1fb8", kill_on_drop: false }`
[INFO] [stdout] 39ee3c570d66042428f602a78d83c5bd4e982f8be86e8a15f309c9238b5c1fb8
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eafe0557224b4921d646a480c877bcc34df17801ee13dd689d59af9cc4da5379
[INFO] running `Command { std: "docker" "start" "-a" "eafe0557224b4921d646a480c877bcc34df17801ee13dd689d59af9cc4da5379", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/meansd-e47fc7ff70aced13
[INFO] [stdout] running 8 tests
[INFO] [stdout] test binned::tests::negative ... ok
[INFO] [stderr]    Doc-tests meansd
[INFO] [stdout] test meansd::tests::empty ... ok
[INFO] [stdout] test binned::tests::positive ... ok
[INFO] [stdout] test meansd::tests::single ... ok
[INFO] [stdout] test meansd::tests::population ... ok
[INFO] [stdout] test meansd::tests::small_mixed ... ok
[INFO] [stdout] test meansd::tests::small_positive ... ok
[INFO] [stdout] test meansd::tests::small_negative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eafe0557224b4921d646a480c877bcc34df17801ee13dd689d59af9cc4da5379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafe0557224b4921d646a480c877bcc34df17801ee13dd689d59af9cc4da5379", kill_on_drop: false }`
[INFO] [stdout] eafe0557224b4921d646a480c877bcc34df17801ee13dd689d59af9cc4da5379