[INFO] fetching crate coll 0.1.3...
[INFO] extracting crate coll 0.1.3 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/coll/0.1.3
[INFO] extracting crate coll 0.1.3 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/coll/0.1.3
[INFO] validating manifest of coll-0.1.3 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coll-0.1.3 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/coll/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing coll-0.1.3 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 0cb4faeb320675af25ea78cf223898289b9b7236e053a17ee716910d25b24fd4
[INFO] running `"docker" "start" "-a" "0cb4faeb320675af25ea78cf223898289b9b7236e053a17ee716910d25b24fd4"`
[INFO] [stderr]    Compiling coll v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "0cb4faeb320675af25ea78cf223898289b9b7236e053a17ee716910d25b24fd4"`
[INFO] running `"docker" "rm" "-f" "0cb4faeb320675af25ea78cf223898289b9b7236e053a17ee716910d25b24fd4"`
[INFO] [stdout] 0cb4faeb320675af25ea78cf223898289b9b7236e053a17ee716910d25b24fd4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 882333533ffc8a544ee2b4e3ccdc1b48b8563709db043f6a730efb2791b0c096
[INFO] running `"docker" "start" "-a" "882333533ffc8a544ee2b4e3ccdc1b48b8563709db043f6a730efb2791b0c096"`
[INFO] [stderr]    Compiling coll v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "882333533ffc8a544ee2b4e3ccdc1b48b8563709db043f6a730efb2791b0c096"`
[INFO] running `"docker" "rm" "-f" "882333533ffc8a544ee2b4e3ccdc1b48b8563709db043f6a730efb2791b0c096"`
[INFO] [stdout] 882333533ffc8a544ee2b4e3ccdc1b48b8563709db043f6a730efb2791b0c096
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 231f9d588f9a17f2a2f42c04f24238e40604bcf3b4b6e05fba5b3e0f8f0eba24
[INFO] running `"docker" "start" "-a" "231f9d588f9a17f2a2f42c04f24238e40604bcf3b4b6e05fba5b3e0f8f0eba24"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coll-522f70d5894df142
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[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::insert_doesnt_allow_duplicates ... ok
[INFO] [stdout] test persistent::rbtree::contains_finds_all_elements ... ok
[INFO] [stdout] test persistent::rbtree::insert_a_single_item_gives_the_expected_tree ... 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::insert_two_items_gives_the_expected_tree ... ok
[INFO] [stderr]    Doc-tests coll
[INFO] [stdout] test persistent::rbtree::two_empty_trees_are_equal ... ok
[INFO] [stdout] test persistent::rbtree::insert_three_items_gives_the_expected_tree ... ok
[INFO] [stdout] test persistent::rbtree::insert_with_7_items_builds_the_correct_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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>::is_empty (line 137) ... 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>::insert (line 91) ... 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" "231f9d588f9a17f2a2f42c04f24238e40604bcf3b4b6e05fba5b3e0f8f0eba24"`
[INFO] running `"docker" "rm" "-f" "231f9d588f9a17f2a2f42c04f24238e40604bcf3b4b6e05fba5b3e0f8f0eba24"`
[INFO] [stdout] 231f9d588f9a17f2a2f42c04f24238e40604bcf3b4b6e05fba5b3e0f8f0eba24