[INFO] crate doubly 1.1.3 is already in cache
[INFO] extracting crate doubly 1.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/doubly/1.1.3
[INFO] extracting crate doubly 1.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/doubly/1.1.3
[INFO] validating manifest of doubly-1.1.3 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 doubly-1.1.3 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 doubly-1.1.3
[INFO] finished frobbing doubly-1.1.3
[INFO] frobbed toml for doubly-1.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/doubly/1.1.3/Cargo.toml
[INFO] started frobbing doubly-1.1.3
[INFO] finished frobbing doubly-1.1.3
[INFO] frobbed toml for doubly-1.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/doubly/1.1.3/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 doubly-1.1.3 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/doubly/1.1.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1613cb1176288389e8ca9536fca7309bcc39c11eda70ebb9d8f0af1a490388b5
[INFO] running `"docker" "start" "-a" "1613cb1176288389e8ca9536fca7309bcc39c11eda70ebb9d8f0af1a490388b5"`
[INFO] [stderr]    Compiling doubly v1.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "1613cb1176288389e8ca9536fca7309bcc39c11eda70ebb9d8f0af1a490388b5"`
[INFO] running `"docker" "rm" "-f" "1613cb1176288389e8ca9536fca7309bcc39c11eda70ebb9d8f0af1a490388b5"`
[INFO] [stdout] 1613cb1176288389e8ca9536fca7309bcc39c11eda70ebb9d8f0af1a490388b5
[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/doubly/1.1.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 827a78d4c14eed4c1bffa9cb618c411f2f5a88569960f2846ad131f1820388f0
[INFO] running `"docker" "start" "-a" "827a78d4c14eed4c1bffa9cb618c411f2f5a88569960f2846ad131f1820388f0"`
[INFO] [stderr]    Compiling doubly v1.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "827a78d4c14eed4c1bffa9cb618c411f2f5a88569960f2846ad131f1820388f0"`
[INFO] running `"docker" "rm" "-f" "827a78d4c14eed4c1bffa9cb618c411f2f5a88569960f2846ad131f1820388f0"`
[INFO] [stdout] 827a78d4c14eed4c1bffa9cb618c411f2f5a88569960f2846ad131f1820388f0
[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/doubly/1.1.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] cc15d959fb473a6343aabca3102ab9b6bd7bda143448109e15f20c7aff5ffb92
[INFO] running `"docker" "start" "-a" "cc15d959fb473a6343aabca3102ab9b6bd7bda143448109e15f20c7aff5ffb92"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/doubly-142d94745147eb58
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_list ... ok
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stderr]    Doc-tests doubly
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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" "cc15d959fb473a6343aabca3102ab9b6bd7bda143448109e15f20c7aff5ffb92"`
[INFO] running `"docker" "rm" "-f" "cc15d959fb473a6343aabca3102ab9b6bd7bda143448109e15f20c7aff5ffb92"`
[INFO] [stdout] cc15d959fb473a6343aabca3102ab9b6bd7bda143448109e15f20c7aff5ffb92