[INFO] crate rolling-stats 0.3.0 is already in cache
[INFO] extracting crate rolling-stats 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rolling-stats/0.3.0
[INFO] extracting crate rolling-stats 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rolling-stats/0.3.0
[INFO] validating manifest of rolling-stats-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rolling-stats-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rolling-stats-0.3.0
[INFO] finished frobbing rolling-stats-0.3.0
[INFO] frobbed toml for rolling-stats-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rolling-stats/0.3.0/Cargo.toml
[INFO] started frobbing rolling-stats-0.3.0
[INFO] finished frobbing rolling-stats-0.3.0
[INFO] frobbed toml for rolling-stats-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rolling-stats/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rolling-stats-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rolling-stats/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 28af7b08e5e936daf5d7dad83b2a8406c206f31555d86cc3ca3885e5e87c9d0f
[INFO] running `"docker" "start" "-a" "28af7b08e5e936daf5d7dad83b2a8406c206f31555d86cc3ca3885e5e87c9d0f"`
[INFO] [stderr]    Compiling rolling-stats v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "28af7b08e5e936daf5d7dad83b2a8406c206f31555d86cc3ca3885e5e87c9d0f"`
[INFO] running `"docker" "rm" "-f" "28af7b08e5e936daf5d7dad83b2a8406c206f31555d86cc3ca3885e5e87c9d0f"`
[INFO] [stdout] 28af7b08e5e936daf5d7dad83b2a8406c206f31555d86cc3ca3885e5e87c9d0f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rolling-stats/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3e3cbf7c448de3a6f01a6a0c5062795314222fa3d54182063ac1d1f21d3e92d1
[INFO] running `"docker" "start" "-a" "3e3cbf7c448de3a6f01a6a0c5062795314222fa3d54182063ac1d1f21d3e92d1"`
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling rolling-stats v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "3e3cbf7c448de3a6f01a6a0c5062795314222fa3d54182063ac1d1f21d3e92d1"`
[INFO] running `"docker" "rm" "-f" "3e3cbf7c448de3a6f01a6a0c5062795314222fa3d54182063ac1d1f21d3e92d1"`
[INFO] [stdout] 3e3cbf7c448de3a6f01a6a0c5062795314222fa3d54182063ac1d1f21d3e92d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rolling-stats/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5d1488a56d7285b0e1682e1aae5d64f3c8706eb8580c5218b930134cb1adeba1
[INFO] running `"docker" "start" "-a" "5d1488a56d7285b0e1682e1aae5d64f3c8706eb8580c5218b930134cb1adeba1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rolling_stats-d57876af45f4b9d7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests rolling-stats
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 `"docker" "inspect" "5d1488a56d7285b0e1682e1aae5d64f3c8706eb8580c5218b930134cb1adeba1"`
[INFO] running `"docker" "rm" "-f" "5d1488a56d7285b0e1682e1aae5d64f3c8706eb8580c5218b930134cb1adeba1"`
[INFO] [stdout] 5d1488a56d7285b0e1682e1aae5d64f3c8706eb8580c5218b930134cb1adeba1