[INFO] updating cached repository AllowFlame/lin-collections
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AllowFlame/lin-collections
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AllowFlame/lin-collections" "work/ex/beta-1.38-1/sources/1.37.0/gh/AllowFlame/lin-collections"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AllowFlame/lin-collections'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AllowFlame/lin-collections" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AllowFlame/lin-collections"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AllowFlame/lin-collections'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d351dcbf6eb261874e8097d45e9878e4c733109
[INFO] sha for GitHub repo AllowFlame/lin-collections: 1d351dcbf6eb261874e8097d45e9878e4c733109
[INFO] validating manifest of AllowFlame/lin-collections 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 AllowFlame/lin-collections 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 AllowFlame/lin-collections
[INFO] finished frobbing AllowFlame/lin-collections
[INFO] frobbed toml for AllowFlame/lin-collections written to work/ex/beta-1.38-1/sources/1.37.0/gh/AllowFlame/lin-collections/Cargo.toml
[INFO] started frobbing AllowFlame/lin-collections
[INFO] finished frobbing AllowFlame/lin-collections
[INFO] frobbed toml for AllowFlame/lin-collections written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AllowFlame/lin-collections/Cargo.toml
[INFO] crate AllowFlame/lin-collections already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AllowFlame/lin-collections/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 AllowFlame/lin-collections 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AllowFlame/lin-collections:/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] 9201eae72b5033b4c92c94b941aabd5b39efc1f713e5f3554649f405a365d320
[INFO] running `"docker" "start" "-a" "9201eae72b5033b4c92c94b941aabd5b39efc1f713e5f3554649f405a365d320"`
[INFO] [stderr]    Compiling lin_collections v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "9201eae72b5033b4c92c94b941aabd5b39efc1f713e5f3554649f405a365d320"`
[INFO] running `"docker" "rm" "-f" "9201eae72b5033b4c92c94b941aabd5b39efc1f713e5f3554649f405a365d320"`
[INFO] [stdout] 9201eae72b5033b4c92c94b941aabd5b39efc1f713e5f3554649f405a365d320
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AllowFlame/lin-collections:/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] 4d15c854bddf820ee0b78dd25e0c67bd8b2d857697d6537252e02fefae0a2b8b
[INFO] running `"docker" "start" "-a" "4d15c854bddf820ee0b78dd25e0c67bd8b2d857697d6537252e02fefae0a2b8b"`
[INFO] [stderr]    Compiling lin_collections v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "4d15c854bddf820ee0b78dd25e0c67bd8b2d857697d6537252e02fefae0a2b8b"`
[INFO] running `"docker" "rm" "-f" "4d15c854bddf820ee0b78dd25e0c67bd8b2d857697d6537252e02fefae0a2b8b"`
[INFO] [stdout] 4d15c854bddf820ee0b78dd25e0c67bd8b2d857697d6537252e02fefae0a2b8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AllowFlame/lin-collections:/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] c3d7196b757296f717fa637eab30804b948c57b6bd45fed035e0435cf5c5aad8
[INFO] running `"docker" "start" "-a" "c3d7196b757296f717fa637eab30804b948c57b6bd45fed035e0435cf5c5aad8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lin_collections-0b0ec60ae253c272
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test folded::folded_test::coupled_vec_into_test ... ok
[INFO] [stdout] test folded::folded_test::coupled_vec_init_test ... ok
[INFO] [stdout] test folded::folded_test::coupled_vec_flatten_test ... 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 lin_collections
[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" "c3d7196b757296f717fa637eab30804b948c57b6bd45fed035e0435cf5c5aad8"`
[INFO] running `"docker" "rm" "-f" "c3d7196b757296f717fa637eab30804b948c57b6bd45fed035e0435cf5c5aad8"`
[INFO] [stdout] c3d7196b757296f717fa637eab30804b948c57b6bd45fed035e0435cf5c5aad8