[INFO] crate libquilt 0.1.1 is already in cache
[INFO] extracting crate libquilt 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/libquilt/0.1.1
[INFO] extracting crate libquilt 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libquilt/0.1.1
[INFO] validating manifest of libquilt-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libquilt-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libquilt-0.1.1
[INFO] finished frobbing libquilt-0.1.1
[INFO] frobbed toml for libquilt-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libquilt/0.1.1/Cargo.toml
[INFO] started frobbing libquilt-0.1.1
[INFO] finished frobbing libquilt-0.1.1
[INFO] frobbed toml for libquilt-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libquilt/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing libquilt-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libquilt/0.1.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0e664261d9f3f1a312a5083ae4a9921526088425d0a98f609cc6940e7de539f6
[INFO] running `"docker" "start" "-a" "0e664261d9f3f1a312a5083ae4a9921526088425d0a98f609cc6940e7de539f6"`
[INFO] [stderr]    Compiling quilt_diff v0.1.1
[INFO] [stderr]    Compiling quilt_graph v0.1.1
[INFO] [stderr]    Compiling quilt_multimap v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling quilt_partition v0.1.1
[INFO] [stderr]    Compiling libquilt v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `self.graggles` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/storage.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let old_graggle = &self.graggles[&inode];
[INFO] [stderr]     |                            ------------- immutable borrow occurs here
[INFO] [stderr] 101 |         self.graggles.insert(ret, old_graggle.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^             ----------- immutable borrow later used here
[INFO] [stderr]     |         |
[INFO] [stderr]     |         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `"docker" "inspect" "0e664261d9f3f1a312a5083ae4a9921526088425d0a98f609cc6940e7de539f6"`
[INFO] running `"docker" "rm" "-f" "0e664261d9f3f1a312a5083ae4a9921526088425d0a98f609cc6940e7de539f6"`
[INFO] [stdout] 0e664261d9f3f1a312a5083ae4a9921526088425d0a98f609cc6940e7de539f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libquilt/0.1.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd33c4761afbea2ef33a0bed92d1e4a741815cb5703b1c2a9876dbc9b096a701
[INFO] running `"docker" "start" "-a" "bd33c4761afbea2ef33a0bed92d1e4a741815cb5703b1c2a9876dbc9b096a701"`
[INFO] [stderr]    Compiling libquilt v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `self.graggles` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/storage.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let old_graggle = &self.graggles[&inode];
[INFO] [stderr]     |                            ------------- immutable borrow occurs here
[INFO] [stderr] 101 |         self.graggles.insert(ret, old_graggle.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^             ----------- immutable borrow later used here
[INFO] [stderr]     |         |
[INFO] [stderr]     |         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.65s
[INFO] running `"docker" "inspect" "bd33c4761afbea2ef33a0bed92d1e4a741815cb5703b1c2a9876dbc9b096a701"`
[INFO] running `"docker" "rm" "-f" "bd33c4761afbea2ef33a0bed92d1e4a741815cb5703b1c2a9876dbc9b096a701"`
[INFO] [stdout] bd33c4761afbea2ef33a0bed92d1e4a741815cb5703b1c2a9876dbc9b096a701
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libquilt/0.1.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0e02c18afc68074370ec3b5bc1a9214bffd0dbecb5652f0e19f09a5fe4dae672
[INFO] running `"docker" "start" "-a" "0e02c18afc68074370ec3b5bc1a9214bffd0dbecb5652f0e19f09a5fe4dae672"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libquilt-b4bc6df287489655
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test patch::change::tests::from_diff_empty_first ... ok
[INFO] [stdout] test chain_graggle::tests::diamond ... ok
[INFO] [stdout] test storage::file::tests::from_bytes_one_line ... ok
[INFO] [stdout] test storage::file::tests::from_bytes_empty ... ok
[INFO] [stdout] test storage::file::tests::from_bytes_one_empty_line ... ok
[INFO] [stdout] test resolver::tests::resolver_diamond ... ok
[INFO] [stdout] test storage::file::tests::from_bytes_two_lines ... ok
[INFO] [stdout] test storage::file::tests::from_bytes_one_line_no_newline ... ok
[INFO] [stdout] test resolver::tests::chain_iter ... ok
[INFO] [stdout] test storage::graggle::tests::add_next_to_deleted ... ok
[INFO] [stdout] test storage::graggle::tests::append_and_delete ... ok
[INFO] [stdout] test storage::graggle::tests::boundary_vs_interior_connected ... ok
[INFO] [stdout] test storage::graggle::tests::delete_and_undelete ... ok
[INFO] [stdout] test storage::graggle::tests::delete_middle ... ok
[INFO] [stdout] test storage::graggle::tests::boundary_vs_interior ... ok
[INFO] [stdout] test storage::graggle::tests::delete_middle_existing ... ok
[INFO] [stdout] test storage::graggle::tests::add_middle ... ok
[INFO] [stdout] test storage::graggle::tests::delete_long_middle ... ok
[INFO] [stdout] test storage::graggle::tests::duplicate_edge ... ok
[INFO] [stdout] test storage::graggle::tests::double_reason ... ok
[INFO] [stdout] test storage::graggle::tests::reconstruct_partition ... ok
[INFO] [stdout] test storage::graggle::tests::two_changes ... ok
[INFO] [stdout] test storage::graggle::tests::lots_of_edges ... ok
[INFO] [stdout] test storage::graggle::tests::two_reasons ... ok
[INFO] [stdout] test storage::graggle::tests::live_graggles_consistent ... ok
[INFO] [stdout] test chain_graggle::tests::partition ... ok
[INFO] [stdout] test storage::graggle::tests::graggle_then_change ... ok
[INFO] [stdout] test storage::graggle::tests::graggle_and_change_seq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libquilt
[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" "0e02c18afc68074370ec3b5bc1a9214bffd0dbecb5652f0e19f09a5fe4dae672"`
[INFO] running `"docker" "rm" "-f" "0e02c18afc68074370ec3b5bc1a9214bffd0dbecb5652f0e19f09a5fe4dae672"`
[INFO] [stdout] 0e02c18afc68074370ec3b5bc1a9214bffd0dbecb5652f0e19f09a5fe4dae672