[INFO] crate bit_collection 0.2.3 is already in cache
[INFO] extracting crate bit_collection 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/bit_collection/0.2.3
[INFO] extracting crate bit_collection 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bit_collection/0.2.3
[INFO] validating manifest of bit_collection-0.2.3 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 bit_collection-0.2.3 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 bit_collection-0.2.3
[INFO] finished frobbing bit_collection-0.2.3
[INFO] frobbed toml for bit_collection-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bit_collection/0.2.3/Cargo.toml
[INFO] started frobbing bit_collection-0.2.3
[INFO] finished frobbing bit_collection-0.2.3
[INFO] frobbed toml for bit_collection-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bit_collection/0.2.3/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 bit_collection-0.2.3 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bit_collection/0.2.3:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 05d2adf611819f4a4b8149a8bba019b93f9d36b86f8f61afd0378116c9abbe06
[INFO] running `"docker" "start" "-a" "05d2adf611819f4a4b8149a8bba019b93f9d36b86f8f61afd0378116c9abbe06"`
[INFO] [stderr]    Compiling bit_collection_derive v0.2.2
[INFO] [stderr]    Compiling bit_collection v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "05d2adf611819f4a4b8149a8bba019b93f9d36b86f8f61afd0378116c9abbe06"`
[INFO] running `"docker" "rm" "-f" "05d2adf611819f4a4b8149a8bba019b93f9d36b86f8f61afd0378116c9abbe06"`
[INFO] [stdout] 05d2adf611819f4a4b8149a8bba019b93f9d36b86f8f61afd0378116c9abbe06
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bit_collection/0.2.3:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 30639c3066f26975facd5a05429d9dee3c6bafeb7f8f9f5b95f0cc656c2cc9a0
[INFO] running `"docker" "start" "-a" "30639c3066f26975facd5a05429d9dee3c6bafeb7f8f9f5b95f0cc656c2cc9a0"`
[INFO] [stderr]    Compiling bit_collection v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/quantity.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/derive.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[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 0.86s
[INFO] running `"docker" "inspect" "30639c3066f26975facd5a05429d9dee3c6bafeb7f8f9f5b95f0cc656c2cc9a0"`
[INFO] running `"docker" "rm" "-f" "30639c3066f26975facd5a05429d9dee3c6bafeb7f8f9f5b95f0cc656c2cc9a0"`
[INFO] [stdout] 30639c3066f26975facd5a05429d9dee3c6bafeb7f8f9f5b95f0cc656c2cc9a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bit_collection/0.2.3:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b8ca15525997648d4889979bb6f8e9ef954eb0de7feed96741be0652a72b357b
[INFO] running `"docker" "start" "-a" "b8ca15525997648d4889979bb6f8e9ef954eb0de7feed96741be0652a72b357b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bit_collection-e6893812bfba4d10
[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/derive-29948ac0d088ade8
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bits16_enum ... ok
[INFO] [stdout] test bits4_enum ... ok
[INFO] [stdout] test bits4_struct ... ok
[INFO] [stdout] test bits16_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quantity-4d2320f6aca0e6fb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test quantity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit_collection
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs -  (line 30) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 45) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 57) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 65) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] test src/lib.rs -  (line 77) ... ok
[INFO] [stdout] test src/lib.rs -  (line 92) ... ok
[INFO] [stdout] test src/lib.rs - BitCollection::as_iter (line 219) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b8ca15525997648d4889979bb6f8e9ef954eb0de7feed96741be0652a72b357b"`
[INFO] running `"docker" "rm" "-f" "b8ca15525997648d4889979bb6f8e9ef954eb0de7feed96741be0652a72b357b"`
[INFO] [stdout] b8ca15525997648d4889979bb6f8e9ef954eb0de7feed96741be0652a72b357b