[INFO] crate statistics 0.4.1 is already in cache
[INFO] testing statistics-0.4.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate statistics 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate statistics 0.4.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate statistics 0.4.1
[INFO] finished tweaking crates.io crate statistics 0.4.1
[INFO] tweaked toml for crates.io crate statistics 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 659b5ef67e3f07316d9856fa979cc2906793a83d523c0b332d4b827e9c507f3f
[INFO] running `"docker" "start" "-a" "659b5ef67e3f07316d9856fa979cc2906793a83d523c0b332d4b827e9c507f3f"`
[INFO] [stderr]    Compiling statistics v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "659b5ef67e3f07316d9856fa979cc2906793a83d523c0b332d4b827e9c507f3f"`
[INFO] running `"docker" "rm" "-f" "659b5ef67e3f07316d9856fa979cc2906793a83d523c0b332d4b827e9c507f3f"`
[INFO] [stdout] 659b5ef67e3f07316d9856fa979cc2906793a83d523c0b332d4b827e9c507f3f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0667ec391569f35e46a3ab5ab880ea66bcb52c5f131aa836b4d031652d81508
[INFO] running `"docker" "start" "-a" "b0667ec391569f35e46a3ab5ab880ea66bcb52c5f131aa836b4d031652d81508"`
[INFO] [stderr]    Compiling assert v0.7.4
[INFO] [stderr]    Compiling statistics v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "b0667ec391569f35e46a3ab5ab880ea66bcb52c5f131aa836b4d031652d81508"`
[INFO] running `"docker" "rm" "-f" "b0667ec391569f35e46a3ab5ab880ea66bcb52c5f131aa836b4d031652d81508"`
[INFO] [stdout] b0667ec391569f35e46a3ab5ab880ea66bcb52c5f131aa836b4d031652d81508
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 3f48e6f56414d94dc89c5be2fc59966bbb95b9f546ff52d7f0fd5fac65378fba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3f48e6f56414d94dc89c5be2fc59966bbb95b9f546ff52d7f0fd5fac65378fba"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/statistics-4c647cf317a23dc4
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test moment::tests::variance ... ok
[INFO] [stdout] test moment::tests::mean_0 ... ok
[INFO] [stdout] test moment::tests::variance_0 ... ok
[INFO] [stdout] test moment::tests::variance_1 ... ok
[INFO] [stdout] test moment::tests::mean ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests statistics
[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 `"docker" "inspect" "3f48e6f56414d94dc89c5be2fc59966bbb95b9f546ff52d7f0fd5fac65378fba"`
[INFO] running `"docker" "rm" "-f" "3f48e6f56414d94dc89c5be2fc59966bbb95b9f546ff52d7f0fd5fac65378fba"`
[INFO] [stdout] 3f48e6f56414d94dc89c5be2fc59966bbb95b9f546ff52d7f0fd5fac65378fba