[INFO] crate bitalloc 0.0.1-proto is already in cache
[INFO] extracting crate bitalloc 0.0.1-proto into work/ex/beta-1.38-1/sources/1.37.0/reg/bitalloc/0.0.1-proto
[INFO] extracting crate bitalloc 0.0.1-proto into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitalloc/0.0.1-proto
[INFO] validating manifest of bitalloc-0.0.1-proto 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 bitalloc-0.0.1-proto 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 bitalloc-0.0.1-proto
[INFO] finished frobbing bitalloc-0.0.1-proto
[INFO] frobbed toml for bitalloc-0.0.1-proto written to work/ex/beta-1.38-1/sources/1.37.0/reg/bitalloc/0.0.1-proto/Cargo.toml
[INFO] started frobbing bitalloc-0.0.1-proto
[INFO] finished frobbing bitalloc-0.0.1-proto
[INFO] frobbed toml for bitalloc-0.0.1-proto written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitalloc/0.0.1-proto/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 bitalloc-0.0.1-proto 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bitalloc/0.0.1-proto:/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] bbc41f484a95885759564a17088b8590def235382f7576fc44fb52cfc933cfdb
[INFO] running `"docker" "start" "-a" "bbc41f484a95885759564a17088b8590def235382f7576fc44fb52cfc933cfdb"`
[INFO] [stderr]    Compiling ilog2 v0.2.2
[INFO] [stderr]    Compiling bitalloc v0.0.1-proto (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::ilog2::Bitops`
[INFO] [stderr]  --> src/bitalloc.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::ilog2::Bitops;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "bbc41f484a95885759564a17088b8590def235382f7576fc44fb52cfc933cfdb"`
[INFO] running `"docker" "rm" "-f" "bbc41f484a95885759564a17088b8590def235382f7576fc44fb52cfc933cfdb"`
[INFO] [stdout] bbc41f484a95885759564a17088b8590def235382f7576fc44fb52cfc933cfdb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bitalloc/0.0.1-proto:/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] bbb841af9883622ce8891e3eedb1fa3a580666d3aac80e5cedbc6d4506d95bfd
[INFO] running `"docker" "start" "-a" "bbb841af9883622ce8891e3eedb1fa3a580666d3aac80e5cedbc6d4506d95bfd"`
[INFO] [stderr]    Compiling bitalloc v0.0.1-proto (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::ilog2::Bitops`
[INFO] [stderr]  --> src/bitalloc.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::ilog2::Bitops;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "bbb841af9883622ce8891e3eedb1fa3a580666d3aac80e5cedbc6d4506d95bfd"`
[INFO] running `"docker" "rm" "-f" "bbb841af9883622ce8891e3eedb1fa3a580666d3aac80e5cedbc6d4506d95bfd"`
[INFO] [stdout] bbb841af9883622ce8891e3eedb1fa3a580666d3aac80e5cedbc6d4506d95bfd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bitalloc/0.0.1-proto:/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] 78c8b1baebedf9a4ea4fc449a0d6989aa9a6aae40d0f997cfd898f4fcdc62dfa
[INFO] running `"docker" "start" "-a" "78c8b1baebedf9a4ea4fc449a0d6989aa9a6aae40d0f997cfd898f4fcdc62dfa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bitalloc-960c1a30a5569ffb
[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] [stderr]      Running /opt/crater/target/debug/deps/rust_bitalloc_test-7fb3c7b2a16d517a
[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] [stderr]    Doc-tests bitalloc
[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" "78c8b1baebedf9a4ea4fc449a0d6989aa9a6aae40d0f997cfd898f4fcdc62dfa"`
[INFO] running `"docker" "rm" "-f" "78c8b1baebedf9a4ea4fc449a0d6989aa9a6aae40d0f997cfd898f4fcdc62dfa"`
[INFO] [stdout] 78c8b1baebedf9a4ea4fc449a0d6989aa9a6aae40d0f997cfd898f4fcdc62dfa