[INFO] crate roulette-wheel 0.2.2 is already in cache
[INFO] extracting crate roulette-wheel 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/roulette-wheel/0.2.2
[INFO] extracting crate roulette-wheel 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/roulette-wheel/0.2.2
[INFO] validating manifest of roulette-wheel-0.2.2 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 roulette-wheel-0.2.2 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 roulette-wheel-0.2.2
[INFO] finished frobbing roulette-wheel-0.2.2
[INFO] frobbed toml for roulette-wheel-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/roulette-wheel/0.2.2/Cargo.toml
[INFO] started frobbing roulette-wheel-0.2.2
[INFO] finished frobbing roulette-wheel-0.2.2
[INFO] frobbed toml for roulette-wheel-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/roulette-wheel/0.2.2/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 roulette-wheel-0.2.2 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/roulette-wheel/0.2.2:/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] fb3a56de7876f5daed7af59a6e4da9bbe0a34122411f634c817aa262abd453b4
[INFO] running `"docker" "start" "-a" "fb3a56de7876f5daed7af59a6e4da9bbe0a34122411f634c817aa262abd453b4"`
[INFO] [stderr]    Compiling roulette-wheel v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "fb3a56de7876f5daed7af59a6e4da9bbe0a34122411f634c817aa262abd453b4"`
[INFO] running `"docker" "rm" "-f" "fb3a56de7876f5daed7af59a6e4da9bbe0a34122411f634c817aa262abd453b4"`
[INFO] [stdout] fb3a56de7876f5daed7af59a6e4da9bbe0a34122411f634c817aa262abd453b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/roulette-wheel/0.2.2:/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] 72e3b25cd6a737ebe0f55a0ce6d1e7c134411c1165870a13bf71441887fed5d9
[INFO] running `"docker" "start" "-a" "72e3b25cd6a737ebe0f55a0ce6d1e7c134411c1165870a13bf71441887fed5d9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roulette-wheel v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "72e3b25cd6a737ebe0f55a0ce6d1e7c134411c1165870a13bf71441887fed5d9"`
[INFO] running `"docker" "rm" "-f" "72e3b25cd6a737ebe0f55a0ce6d1e7c134411c1165870a13bf71441887fed5d9"`
[INFO] [stdout] 72e3b25cd6a737ebe0f55a0ce6d1e7c134411c1165870a13bf71441887fed5d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/roulette-wheel/0.2.2:/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] aa4c08e67ea8feb582dc8a9b689ccc349d395de010c89a1a72c1a29d61b550f9
[INFO] running `"docker" "start" "-a" "aa4c08e67ea8feb582dc8a9b689ccc349d395de010c89a1a72c1a29d61b550f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roulette_wheel-018f639bbd4e36fb
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_into_select_iter_seeded ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_select_iter_seeded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roulette-wheel
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::select_iter (line 245) ... ignored
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::new (line 76) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::reserve (line 111) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::push (line 184) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::total_fitness (line 226) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::clear (line 159) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::is_empty (line 141) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::len (line 127) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::with_capacity (line 92) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::unchecked_push (line 206) ... ok
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "aa4c08e67ea8feb582dc8a9b689ccc349d395de010c89a1a72c1a29d61b550f9"`
[INFO] running `"docker" "rm" "-f" "aa4c08e67ea8feb582dc8a9b689ccc349d395de010c89a1a72c1a29d61b550f9"`
[INFO] [stdout] aa4c08e67ea8feb582dc8a9b689ccc349d395de010c89a1a72c1a29d61b550f9