[INFO] crate treelike 0.2.0 is already in cache
[INFO] extracting crate treelike 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/treelike/0.2.0
[INFO] extracting crate treelike 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/treelike/0.2.0
[INFO] validating manifest of treelike-0.2.0 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 treelike-0.2.0 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 treelike-0.2.0
[INFO] finished frobbing treelike-0.2.0
[INFO] frobbed toml for treelike-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/treelike/0.2.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing treelike-0.2.0 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-0/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8e47d4ccf600c9de51de34f52714825a537ae1b6813918b788268860e0453907
[INFO] running `"docker" "start" "-a" "8e47d4ccf600c9de51de34f52714825a537ae1b6813918b788268860e0453907"`
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "8e47d4ccf600c9de51de34f52714825a537ae1b6813918b788268860e0453907"`
[INFO] running `"docker" "rm" "-f" "8e47d4ccf600c9de51de34f52714825a537ae1b6813918b788268860e0453907"`
[INFO] [stdout] 8e47d4ccf600c9de51de34f52714825a537ae1b6813918b788268860e0453907
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2895ab497d098255741933693afdb52a842cc97021078af750aa6315dbaace99
[INFO] running `"docker" "start" "-a" "2895ab497d098255741933693afdb52a842cc97021078af750aa6315dbaace99"`
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "2895ab497d098255741933693afdb52a842cc97021078af750aa6315dbaace99"`
[INFO] running `"docker" "rm" "-f" "2895ab497d098255741933693afdb52a842cc97021078af750aa6315dbaace99"`
[INFO] [stdout] 2895ab497d098255741933693afdb52a842cc97021078af750aa6315dbaace99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 405f4471101a10f7061d53f62d3f99b6dbce5cedf148e2c4b361f2b95073181a
[INFO] running `"docker" "start" "-a" "405f4471101a10f7061d53f62d3f99b6dbce5cedf148e2c4b361f2b95073181a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/treelike-177663f4889c7646
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[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::lintree::basic_test ... ok
[INFO] [stdout] test example::boxtree::option_box_size ... ok
[INFO] [stdout] test example::boxtree::default_works ... ok
[INFO] [stdout] test example::borrowtree::borrowing_tree_works ... ok
[INFO] [stdout] test example::borrowtree::option_ref_size ... 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_bft (line 142) ... ok
[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] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "405f4471101a10f7061d53f62d3f99b6dbce5cedf148e2c4b361f2b95073181a"`
[INFO] running `"docker" "rm" "-f" "405f4471101a10f7061d53f62d3f99b6dbce5cedf148e2c4b361f2b95073181a"`
[INFO] [stdout] 405f4471101a10f7061d53f62d3f99b6dbce5cedf148e2c4b361f2b95073181a