[INFO] crate avltree 0.1.0 is already in cache
[INFO] extracting crate avltree 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/avltree/0.1.0
[INFO] extracting crate avltree 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/avltree/0.1.0
[INFO] validating manifest of avltree-0.1.0 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 avltree-0.1.0 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 avltree-0.1.0
[INFO] finished frobbing avltree-0.1.0
[INFO] frobbed toml for avltree-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/avltree/0.1.0/Cargo.toml
[INFO] started frobbing avltree-0.1.0
[INFO] finished frobbing avltree-0.1.0
[INFO] frobbed toml for avltree-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/avltree/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing avltree-0.1.0 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-4/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/avltree/0.1.0:/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] 4b0166d1fd36843df38da5a6b6ca9bc0870e6e66fe2219a80b21f02000be1a00
[INFO] running `"docker" "start" "-a" "4b0166d1fd36843df38da5a6b6ca9bc0870e6e66fe2219a80b21f02000be1a00"`
[INFO] [stderr]    Compiling avltree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "4b0166d1fd36843df38da5a6b6ca9bc0870e6e66fe2219a80b21f02000be1a00"`
[INFO] running `"docker" "rm" "-f" "4b0166d1fd36843df38da5a6b6ca9bc0870e6e66fe2219a80b21f02000be1a00"`
[INFO] [stdout] 4b0166d1fd36843df38da5a6b6ca9bc0870e6e66fe2219a80b21f02000be1a00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/avltree/0.1.0:/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] 43a9edf89861ff67486509bca46dc3dab4a956b786425fb395de82f13ac90ef7
[INFO] running `"docker" "start" "-a" "43a9edf89861ff67486509bca46dc3dab4a956b786425fb395de82f13ac90ef7"`
[INFO] [stderr]    Compiling avltree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "43a9edf89861ff67486509bca46dc3dab4a956b786425fb395de82f13ac90ef7"`
[INFO] running `"docker" "rm" "-f" "43a9edf89861ff67486509bca46dc3dab4a956b786425fb395de82f13ac90ef7"`
[INFO] [stdout] 43a9edf89861ff67486509bca46dc3dab4a956b786425fb395de82f13ac90ef7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/avltree/0.1.0:/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] f866925e9775e819fbc570c85e992a76ded72af466f09ae3fe1188c2abf72ac7
[INFO] running `"docker" "start" "-a" "f866925e9775e819fbc570c85e992a76ded72af466f09ae3fe1188c2abf72ac7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/avltree-2c5e186f2c5441e5
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::right_left_rot ... ok
[INFO] [stdout] test tests::left_right_rot ... ok
[INFO] [stdout] test tests::insert_right_rot ... ok
[INFO] [stdout] test tests::insert_node ... ok
[INFO] [stdout] test tests::insert_left_rot ... ok
[INFO] [stdout] test tests::empty_tree ... ok
[INFO] [stderr]    Doc-tests avltree
[INFO] [stdout] test tests::random_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - SearchTree<T>::new (line 29) ... ok
[INFO] [stdout] test src/lib.rs - SearchTree<T>::insert (line 76) ... ok
[INFO] [stdout] test src/lib.rs - SearchTree<T>::iter (line 319) ... ok
[INFO] [stdout] test src/lib.rs - SearchTree<T>::contains (line 58) ... ok
[INFO] [stdout] test src/lib.rs - SearchTree<T>::is_empty (line 44) ... 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" "f866925e9775e819fbc570c85e992a76ded72af466f09ae3fe1188c2abf72ac7"`
[INFO] running `"docker" "rm" "-f" "f866925e9775e819fbc570c85e992a76ded72af466f09ae3fe1188c2abf72ac7"`
[INFO] [stdout] f866925e9775e819fbc570c85e992a76ded72af466f09ae3fe1188c2abf72ac7