[INFO] updating cached repository marcianx/data-structures-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marcianx/data-structures-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marcianx/data-structures-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/marcianx/data-structures-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marcianx/data-structures-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcianx/data-structures-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marcianx/data-structures-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marcianx/data-structures-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 767cdc5827bbb91b6e225e292d8ac17dbc9c1f56
[INFO] sha for GitHub repo marcianx/data-structures-rs: 767cdc5827bbb91b6e225e292d8ac17dbc9c1f56
[INFO] validating manifest of marcianx/data-structures-rs 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 marcianx/data-structures-rs 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 marcianx/data-structures-rs
[INFO] finished frobbing marcianx/data-structures-rs
[INFO] frobbed toml for marcianx/data-structures-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/marcianx/data-structures-rs/Cargo.toml
[INFO] started frobbing marcianx/data-structures-rs
[INFO] finished frobbing marcianx/data-structures-rs
[INFO] frobbed toml for marcianx/data-structures-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marcianx/data-structures-rs/Cargo.toml
[INFO] crate marcianx/data-structures-rs 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 marcianx/data-structures-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/marcianx/data-structures-rs:/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] b7599abdc8767fc6dbf441f66a850375624292453cd887cac0cf85ca9b0349ab
[INFO] running `"docker" "start" "-a" "b7599abdc8767fc6dbf441f66a850375624292453cd887cac0cf85ca9b0349ab"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "b7599abdc8767fc6dbf441f66a850375624292453cd887cac0cf85ca9b0349ab"`
[INFO] running `"docker" "rm" "-f" "b7599abdc8767fc6dbf441f66a850375624292453cd887cac0cf85ca9b0349ab"`
[INFO] [stdout] b7599abdc8767fc6dbf441f66a850375624292453cd887cac0cf85ca9b0349ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/marcianx/data-structures-rs:/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] b90832014df2b0c09bba624097a8e7163b9c013b3bae86dcba498f008f36a9af
[INFO] running `"docker" "start" "-a" "b90832014df2b0c09bba624097a8e7163b9c013b3bae86dcba498f008f36a9af"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "b90832014df2b0c09bba624097a8e7163b9c013b3bae86dcba498f008f36a9af"`
[INFO] running `"docker" "rm" "-f" "b90832014df2b0c09bba624097a8e7163b9c013b3bae86dcba498f008f36a9af"`
[INFO] [stdout] b90832014df2b0c09bba624097a8e7163b9c013b3bae86dcba498f008f36a9af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/marcianx/data-structures-rs:/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] 70c3f74d8507e8fe40ca1e763ff5b05c0713b10a9f140f26abe82e66eca8df02
[INFO] running `"docker" "start" "-a" "70c3f74d8507e8fe40ca1e763ff5b05c0713b10a9f140f26abe82e66eca8df02"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lists-be5e2761cc3b9da0
[INFO] [stdout] test mutable_doubly_linked_list::test::test_iter ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_both ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_iter_mut ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_back ... ok
[INFO] [stdout] test immutable_linked_list::test::test_construction ... ok
[INFO] [stdout] test mutable_linked_list::test::test_into_iter ... ok
[INFO] [stdout] test immutable_linked_list::test::test_iter ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_front ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_crash ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_into_iter ... ok
[INFO] [stdout] test mutable_linked_list::test::test_iter ... ok
[INFO] [stdout] test mutable_linked_list::test::test_push_pop ... ok
[INFO] [stdout] test mutable_linked_list::test::test_iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lists
[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" "70c3f74d8507e8fe40ca1e763ff5b05c0713b10a9f140f26abe82e66eca8df02"`
[INFO] running `"docker" "rm" "-f" "70c3f74d8507e8fe40ca1e763ff5b05c0713b10a9f140f26abe82e66eca8df02"`
[INFO] [stdout] 70c3f74d8507e8fe40ca1e763ff5b05c0713b10a9f140f26abe82e66eca8df02