[INFO] crate signalo_sources 0.5.1 is already in cache
[INFO] extracting crate signalo_sources 0.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/signalo_sources/0.5.1
[INFO] extracting crate signalo_sources 0.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/signalo_sources/0.5.1
[INFO] validating manifest of signalo_sources-0.5.1 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 signalo_sources-0.5.1 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 signalo_sources-0.5.1
[INFO] finished frobbing signalo_sources-0.5.1
[INFO] frobbed toml for signalo_sources-0.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/signalo_sources/0.5.1/Cargo.toml
[INFO] started frobbing signalo_sources-0.5.1
[INFO] finished frobbing signalo_sources-0.5.1
[INFO] frobbed toml for signalo_sources-0.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/signalo_sources/0.5.1/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 signalo_sources-0.5.1 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-7/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/signalo_sources/0.5.1:/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] 85566ef9f4cf119422a7c82cbf393411678d31de4927532fd6a2d6fcfad42063
[INFO] running `"docker" "start" "-a" "85566ef9f4cf119422a7c82cbf393411678d31de4927532fd6a2d6fcfad42063"`
[INFO] [stderr]    Compiling dimensioned v0.7.0
[INFO] [stderr]    Compiling signalo_traits v0.4.0
[INFO] [stderr]    Compiling signalo_sources v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.07s
[INFO] running `"docker" "inspect" "85566ef9f4cf119422a7c82cbf393411678d31de4927532fd6a2d6fcfad42063"`
[INFO] running `"docker" "rm" "-f" "85566ef9f4cf119422a7c82cbf393411678d31de4927532fd6a2d6fcfad42063"`
[INFO] [stdout] 85566ef9f4cf119422a7c82cbf393411678d31de4927532fd6a2d6fcfad42063
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/signalo_sources/0.5.1:/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] bdcb7026528ee3bbb13a5ddf95a5f81bf7669c183198c08d99e8f77c21be19be
[INFO] running `"docker" "start" "-a" "bdcb7026528ee3bbb13a5ddf95a5f81bf7669c183198c08d99e8f77c21be19be"`
[INFO] [stderr]    Compiling nearly_eq v0.2.4
[INFO] [stderr]    Compiling signalo_sources v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "bdcb7026528ee3bbb13a5ddf95a5f81bf7669c183198c08d99e8f77c21be19be"`
[INFO] running `"docker" "rm" "-f" "bdcb7026528ee3bbb13a5ddf95a5f81bf7669c183198c08d99e8f77c21be19be"`
[INFO] [stdout] bdcb7026528ee3bbb13a5ddf95a5f81bf7669c183198c08d99e8f77c21be19be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/signalo_sources/0.5.1:/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] 4a5a9e58a5e948671440f7d896ba008ed38d09cc7a0091232825ec76383abb46
[INFO] running `"docker" "start" "-a" "4a5a9e58a5e948671440f7d896ba008ed38d09cc7a0091232825ec76383abb46"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/signalo_sources-c1685ba5ac94aebb
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test cache::tests::test ... ok
[INFO] [stdout] test cycle::tests::non_empty ... ok
[INFO] [stdout] test constant::tests::test ... ok
[INFO] [stdout] test chain::tests::tail_empty ... ok
[INFO] [stdout] test pad::constant::tests::empty ... ok
[INFO] [stdout] test pad::constant::tests::non_empty ... ok
[INFO] [stdout] test chain::tests::non_empty ... ok
[INFO] [stdout] test into_iter::tests::test ... ok
[INFO] [stdout] test from_iter::tests::test ... ok
[INFO] [stdout] test increment::tests::test ... ok
[INFO] [stdout] test peek::tests::test ... ok
[INFO] [stdout] test repeat::tests::test ... ok
[INFO] [stdout] test take::tests::test ... ok
[INFO] [stdout] test pad::edge::tests::empty ... ok
[INFO] [stdout] test unit_system::tests::test ... ok
[INFO] [stdout] test skip::tests::test ... ok
[INFO] [stdout] test pad::edge::tests::non_empty ... ok
[INFO] [stdout] test chain::tests::head_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signalo_sources
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/constant.rs - constant::Constant (line 14) ... ok
[INFO] [stdout] test src/increment.rs - increment::Increment (line 16) ... ok
[INFO] [stdout] test src/pad/constant.rs - pad::constant::Pad (line 26) ... ok
[INFO] [stdout] test src/into_iter.rs - into_iter::IntoIter (line 13) ... ok
[INFO] [stdout] test src/from_iter.rs - from_iter::FromIter (line 13) ... ok
[INFO] [stdout] test src/pad/edge.rs - pad::edge::Pad (line 30) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain (line 22) ... ok
[INFO] [stdout] test src/cycle.rs - cycle::Cycle (line 13) ... ok
[INFO] [stdout] test src/repeat.rs - repeat::Repeat (line 17) ... ok
[INFO] [stdout] test src/take.rs - take::Take (line 14) ... ok
[INFO] [stdout] test src/skip.rs - skip::Skip (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4a5a9e58a5e948671440f7d896ba008ed38d09cc7a0091232825ec76383abb46"`
[INFO] running `"docker" "rm" "-f" "4a5a9e58a5e948671440f7d896ba008ed38d09cc7a0091232825ec76383abb46"`
[INFO] [stdout] 4a5a9e58a5e948671440f7d896ba008ed38d09cc7a0091232825ec76383abb46