[INFO] crate coll 0.1.3 is already in cache
[INFO] extracting crate coll 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/coll/0.1.3
[INFO] extracting crate coll 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/coll/0.1.3
[INFO] validating manifest of coll-0.1.3 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 coll-0.1.3 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 coll-0.1.3
[INFO] finished frobbing coll-0.1.3
[INFO] frobbed toml for coll-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/coll/0.1.3/Cargo.toml
[INFO] started frobbing coll-0.1.3
[INFO] finished frobbing coll-0.1.3
[INFO] frobbed toml for coll-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/coll/0.1.3/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] [stderr]     Blocking waiting for file lock on package cache
[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 coll-0.1.3 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-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/coll/0.1.3:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3e1dc1ffba47dd18fd755a4063f6d2f9d888df9611818377d5fd1da2aacf2ef3
[INFO] running `"docker" "start" "-a" "3e1dc1ffba47dd18fd755a4063f6d2f9d888df9611818377d5fd1da2aacf2ef3"`
[INFO] [stderr]    Compiling coll v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "3e1dc1ffba47dd18fd755a4063f6d2f9d888df9611818377d5fd1da2aacf2ef3"`
[INFO] running `"docker" "rm" "-f" "3e1dc1ffba47dd18fd755a4063f6d2f9d888df9611818377d5fd1da2aacf2ef3"`
[INFO] [stdout] 3e1dc1ffba47dd18fd755a4063f6d2f9d888df9611818377d5fd1da2aacf2ef3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/coll/0.1.3:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20f92406915e5bf414f676582e7fa8b326128c2114d6e51c4a9dc3abd6c1b06e
[INFO] running `"docker" "start" "-a" "20f92406915e5bf414f676582e7fa8b326128c2114d6e51c4a9dc3abd6c1b06e"`
[INFO] [stderr]    Compiling coll v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "20f92406915e5bf414f676582e7fa8b326128c2114d6e51c4a9dc3abd6c1b06e"`
[INFO] running `"docker" "rm" "-f" "20f92406915e5bf414f676582e7fa8b326128c2114d6e51c4a9dc3abd6c1b06e"`
[INFO] [stdout] 20f92406915e5bf414f676582e7fa8b326128c2114d6e51c4a9dc3abd6c1b06e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/coll/0.1.3:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e0ba3faaebf3e8917dda01f26e85f7f43aa781c1e7e51a1745c16e0599a8b979
[INFO] running `"docker" "start" "-a" "e0ba3faaebf3e8917dda01f26e85f7f43aa781c1e7e51a1745c16e0599a8b979"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coll-8d6cf52acedfb6a6
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test persistent::rbtree::insert_a_single_item_gives_the_expected_tree ... ok
[INFO] [stdout] test persistent::rbtree::contains_finds_all_elements ... ok
[INFO] [stdout] test persistent::rbtree::balancing_three_nodes_produces_the_correct_tree_4 ... ok
[INFO] [stdout] test persistent::rbtree::balancing_three_nodes_produces_the_correct_tree_2 ... ok
[INFO] [stdout] test persistent::rbtree::balancing_three_nodes_produces_the_correct_tree_1 ... ok
[INFO] [stdout] test persistent::rbtree::balancing_three_nodes_gives_the_correct_tree_3 ... ok
[INFO] [stdout] test persistent::rbtree::two_empty_trees_are_equal ... ok
[INFO] [stdout] test persistent::rbtree::insert_two_items_gives_the_expected_tree ... ok
[INFO] [stdout] test persistent::rbtree::insert_with_7_items_builds_the_correct_tree ... ok
[INFO] [stdout] test persistent::rbtree::insert_doesnt_allow_duplicates ... ok
[INFO] [stdout] test persistent::rbtree::insert_three_items_gives_the_expected_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coll
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/persistent/rbtree.rs - persistent::rbtree::RbTree<T>::is_empty (line 137) ... ok
[INFO] [stdout] test src/persistent/rbtree.rs - persistent::rbtree::RbTree<T>::insert (line 91) ... ok
[INFO] [stdout] test src/persistent/rbtree.rs - persistent::rbtree::RbTree<T>::len (line 108) ... ok
[INFO] [stdout] test src/persistent/rbtree.rs - persistent::rbtree::RbTree<T>::contains (line 121) ... ok
[INFO] [stdout] test src/persistent/rbtree.rs - persistent::rbtree::RbTree<T>::iter (line 155) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e0ba3faaebf3e8917dda01f26e85f7f43aa781c1e7e51a1745c16e0599a8b979"`
[INFO] running `"docker" "rm" "-f" "e0ba3faaebf3e8917dda01f26e85f7f43aa781c1e7e51a1745c16e0599a8b979"`
[INFO] [stdout] e0ba3faaebf3e8917dda01f26e85f7f43aa781c1e7e51a1745c16e0599a8b979