[INFO] fetching crate treelike 0.2.0...
[INFO] extracting crate treelike 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/treelike/0.2.0
[INFO] extracting crate treelike 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/treelike/0.2.0
[INFO] validating manifest of treelike-0.2.0 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 treelike-0.2.0 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 treelike-0.2.0
[INFO] finished frobbing treelike-0.2.0
[INFO] frobbed toml for treelike-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/treelike/0.2.0/Cargo.toml
[INFO] started frobbing treelike-0.2.0
[INFO] finished frobbing treelike-0.2.0
[INFO] frobbed toml for treelike-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/treelike/0.2.0/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] 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 treelike-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/treelike/0.2.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4b9bed69a3793c68656b740e8ee2cfbe86634b04bf5fcb6df8c31563a66eae7d
[INFO] running `"docker" "start" "-a" "4b9bed69a3793c68656b740e8ee2cfbe86634b04bf5fcb6df8c31563a66eae7d"`
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "4b9bed69a3793c68656b740e8ee2cfbe86634b04bf5fcb6df8c31563a66eae7d"`
[INFO] running `"docker" "rm" "-f" "4b9bed69a3793c68656b740e8ee2cfbe86634b04bf5fcb6df8c31563a66eae7d"`
[INFO] [stdout] 4b9bed69a3793c68656b740e8ee2cfbe86634b04bf5fcb6df8c31563a66eae7d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/treelike/0.2.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9370cd831b4f7092fc6f4f29fd6e947c10846897328d5a4c594a857b00e4e8e9
[INFO] running `"docker" "start" "-a" "9370cd831b4f7092fc6f4f29fd6e947c10846897328d5a4c594a857b00e4e8e9"`
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "9370cd831b4f7092fc6f4f29fd6e947c10846897328d5a4c594a857b00e4e8e9"`
[INFO] running `"docker" "rm" "-f" "9370cd831b4f7092fc6f4f29fd6e947c10846897328d5a4c594a857b00e4e8e9"`
[INFO] [stdout] 9370cd831b4f7092fc6f4f29fd6e947c10846897328d5a4c594a857b00e4e8e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/treelike/0.2.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d319321449d904813106231eeb4be81b5436e2b62608fcd9887b3a64f9864b0f
[INFO] running `"docker" "start" "-a" "d319321449d904813106231eeb4be81b5436e2b62608fcd9887b3a64f9864b0f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/treelike-8a3cc21852d6f1f2
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test example::borrowtree::borrowing_tree_works ... ok
[INFO] [stdout] test example::borrowtree::option_ref_size ... ok
[INFO] [stdout] test example::boxtree::option_box_size ... ok
[INFO] [stdout] test example::lintree::iter_test ... ok
[INFO] [stdout] test example::lintree::dft_pre_test ... ok
[INFO] [stdout] test example::lintree::bft_pre_test ... ok
[INFO] [stdout] test example::boxtree::default_works ... ok
[INFO] [stdout] test example::lintree::basic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treelike
[INFO] [stderr] error: no global memory allocator found but one is required; link to std or add #[global_allocator] to a static item that implements the GlobalAlloc trait.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_dft (line 88) ... ok
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_dft (line 104) ... ok
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_bft (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d319321449d904813106231eeb4be81b5436e2b62608fcd9887b3a64f9864b0f"`
[INFO] running `"docker" "rm" "-f" "d319321449d904813106231eeb4be81b5436e2b62608fcd9887b3a64f9864b0f"`
[INFO] [stdout] d319321449d904813106231eeb4be81b5436e2b62608fcd9887b3a64f9864b0f