[INFO] updating cached repository 4lex1v/linked_list_in_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/4lex1v/linked_list_in_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/4lex1v/linked_list_in_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/4lex1v/linked_list_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/4lex1v/linked_list_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/4lex1v/linked_list_in_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4lex1v/linked_list_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4lex1v/linked_list_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2e55d911ee6accf67064a5b3170f25596727510
[INFO] sha for GitHub repo 4lex1v/linked_list_in_rust: d2e55d911ee6accf67064a5b3170f25596727510
[INFO] validating manifest of 4lex1v/linked_list_in_rust 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 4lex1v/linked_list_in_rust 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 4lex1v/linked_list_in_rust
[INFO] finished frobbing 4lex1v/linked_list_in_rust
[INFO] frobbed toml for 4lex1v/linked_list_in_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/4lex1v/linked_list_in_rust/Cargo.toml
[INFO] started frobbing 4lex1v/linked_list_in_rust
[INFO] finished frobbing 4lex1v/linked_list_in_rust
[INFO] frobbed toml for 4lex1v/linked_list_in_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4lex1v/linked_list_in_rust/Cargo.toml
[INFO] crate 4lex1v/linked_list_in_rust 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 4lex1v/linked_list_in_rust 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4lex1v/linked_list_in_rust:/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] 95a9f6a221d8daf334ccc49d1fd32e33efdfe64c9a7a5027d47b7e4791c2f09d
[INFO] running `"docker" "start" "-a" "95a9f6a221d8daf334ccc49d1fd32e33efdfe64c9a7a5027d47b7e4791c2f09d"`
[INFO] [stderr]    Compiling rusty_lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "95a9f6a221d8daf334ccc49d1fd32e33efdfe64c9a7a5027d47b7e4791c2f09d"`
[INFO] running `"docker" "rm" "-f" "95a9f6a221d8daf334ccc49d1fd32e33efdfe64c9a7a5027d47b7e4791c2f09d"`
[INFO] [stdout] 95a9f6a221d8daf334ccc49d1fd32e33efdfe64c9a7a5027d47b7e4791c2f09d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4lex1v/linked_list_in_rust:/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] 9bdfa7ff6383a42f1eab78a9dc861346dcecb5ca8ebb81c81f267256c7f3f411
[INFO] running `"docker" "start" "-a" "9bdfa7ff6383a42f1eab78a9dc861346dcecb5ca8ebb81c81f267256c7f3f411"`
[INFO] [stderr]    Compiling rusty_lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "9bdfa7ff6383a42f1eab78a9dc861346dcecb5ca8ebb81c81f267256c7f3f411"`
[INFO] running `"docker" "rm" "-f" "9bdfa7ff6383a42f1eab78a9dc861346dcecb5ca8ebb81c81f267256c7f3f411"`
[INFO] [stdout] 9bdfa7ff6383a42f1eab78a9dc861346dcecb5ca8ebb81c81f267256c7f3f411
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4lex1v/linked_list_in_rust:/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] ecb1dc98ceeb42fdc72c7aa2a044c87ca249127d7b899d97e3d47e126c6ca7ed
[INFO] running `"docker" "start" "-a" "ecb1dc98ceeb42fdc72c7aa2a044c87ca249127d7b899d97e3d47e126c6ca7ed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_lists-c816bf584232a674
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ecb1dc98ceeb42fdc72c7aa2a044c87ca249127d7b899d97e3d47e126c6ca7ed"`
[INFO] running `"docker" "rm" "-f" "ecb1dc98ceeb42fdc72c7aa2a044c87ca249127d7b899d97e3d47e126c6ca7ed"`
[INFO] [stdout] ecb1dc98ceeb42fdc72c7aa2a044c87ca249127d7b899d97e3d47e126c6ca7ed