[INFO] crate synctree 0.1.3 is already in cache
[INFO] extracting crate synctree 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/synctree/0.1.3
[INFO] extracting crate synctree 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/synctree/0.1.3
[INFO] validating manifest of synctree-0.1.3 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 synctree-0.1.3 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 synctree-0.1.3
[INFO] finished frobbing synctree-0.1.3
[INFO] frobbed toml for synctree-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/synctree/0.1.3/Cargo.toml
[INFO] started frobbing synctree-0.1.3
[INFO] finished frobbing synctree-0.1.3
[INFO] frobbed toml for synctree-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/synctree/0.1.3/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 synctree-0.1.3 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/synctree/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 37ff6c1ccbc5db0ae9022c3fecbaba1d51c8e0c7ac44272b3da66f6b6dc842f4
[INFO] running `"docker" "start" "-a" "37ff6c1ccbc5db0ae9022c3fecbaba1d51c8e0c7ac44272b3da66f6b6dc842f4"`
[INFO] [stderr]    Compiling onevec v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling synctree v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "37ff6c1ccbc5db0ae9022c3fecbaba1d51c8e0c7ac44272b3da66f6b6dc842f4"`
[INFO] running `"docker" "rm" "-f" "37ff6c1ccbc5db0ae9022c3fecbaba1d51c8e0c7ac44272b3da66f6b6dc842f4"`
[INFO] [stdout] 37ff6c1ccbc5db0ae9022c3fecbaba1d51c8e0c7ac44272b3da66f6b6dc842f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/synctree/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 63ba44f8697ddfa5098cd8b903b5773cea745530adabc9a48b857e43ef52bf47
[INFO] running `"docker" "start" "-a" "63ba44f8697ddfa5098cd8b903b5773cea745530adabc9a48b857e43ef52bf47"`
[INFO] [stderr]    Compiling synctree v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "63ba44f8697ddfa5098cd8b903b5773cea745530adabc9a48b857e43ef52bf47"`
[INFO] running `"docker" "rm" "-f" "63ba44f8697ddfa5098cd8b903b5773cea745530adabc9a48b857e43ef52bf47"`
[INFO] [stdout] 63ba44f8697ddfa5098cd8b903b5773cea745530adabc9a48b857e43ef52bf47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/synctree/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c2f64015de87a2b177b8876e78c575d17116669ca2a098a1949826987f842e2f
[INFO] running `"docker" "start" "-a" "c2f64015de87a2b177b8876e78c575d17116669ca2a098a1949826987f842e2f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synctree-d541e2b972f9a148
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test node_arena::tests::ptr_eq ... ok
[INFO] [stdout] test arena::tests::create ... ok
[INFO] [stdout] test node_arena::tests::into_inner ... ok
[INFO] [stdout] test arena::tests::iter_mut ... ok
[INFO] [stdout] test arena::tests::iter ... ok
[INFO] [stdout] test arena::tests::simple ... ok
[INFO] [stdout] test node_arena::tests::read ... ok
[INFO] [stdout] test macros::tests::tree_macro ... ok
[INFO] [stdout] test node_arena::tests::write ... ok
[INFO] [stdout] test tests::ancestors ... ok
[INFO] [stdout] test tests::children_append ... ok
[INFO] [stdout] test tests::children_iter ... ok
[INFO] [stdout] test tests::children_prepend ... ok
[INFO] [stdout] test tests::parent ... ok
[INFO] [stdout] test tests::read_write ... ok
[INFO] [stdout] test tests::siblings ... ok
[INFO] [stdout] test tests::traversal ... ok
[INFO] [stdout] test tests::children_iter_double_ended ... ok
[INFO] [stdout] test tests::siblings_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synctree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/macros.rs - tree (line 36) ... ignored
[INFO] [stdout] test src/macros.rs - tree (line 50) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c2f64015de87a2b177b8876e78c575d17116669ca2a098a1949826987f842e2f"`
[INFO] running `"docker" "rm" "-f" "c2f64015de87a2b177b8876e78c575d17116669ca2a098a1949826987f842e2f"`
[INFO] [stdout] c2f64015de87a2b177b8876e78c575d17116669ca2a098a1949826987f842e2f