[INFO] crate rbx_tree 0.2.0 is already in cache
[INFO] extracting crate rbx_tree 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_tree/0.2.0
[INFO] extracting crate rbx_tree 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbx_tree/0.2.0
[INFO] validating manifest of rbx_tree-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 rbx_tree-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 rbx_tree-0.2.0
[INFO] finished frobbing rbx_tree-0.2.0
[INFO] frobbed toml for rbx_tree-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_tree/0.2.0/Cargo.toml
[INFO] started frobbing rbx_tree-0.2.0
[INFO] finished frobbing rbx_tree-0.2.0
[INFO] frobbed toml for rbx_tree-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbx_tree/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 rbx_tree-0.2.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_tree/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b66a9bbbbf42e78bc9eae3e4586d46f8d0d1aa54bcdbb097cadecc3e401b9b6a
[INFO] running `"docker" "start" "-a" "b66a9bbbbf42e78bc9eae3e4586d46f8d0d1aa54bcdbb097cadecc3e401b9b6a"`
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling rbx_tree v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "b66a9bbbbf42e78bc9eae3e4586d46f8d0d1aa54bcdbb097cadecc3e401b9b6a"`
[INFO] running `"docker" "rm" "-f" "b66a9bbbbf42e78bc9eae3e4586d46f8d0d1aa54bcdbb097cadecc3e401b9b6a"`
[INFO] [stdout] b66a9bbbbf42e78bc9eae3e4586d46f8d0d1aa54bcdbb097cadecc3e401b9b6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_tree/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ee542f14e882ced50681f91cfe769d2411e00ada162010304aa4a9522ada3e85
[INFO] running `"docker" "start" "-a" "ee542f14e882ced50681f91cfe769d2411e00ada162010304aa4a9522ada3e85"`
[INFO] [stderr]    Compiling rbx_tree v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "ee542f14e882ced50681f91cfe769d2411e00ada162010304aa4a9522ada3e85"`
[INFO] running `"docker" "rm" "-f" "ee542f14e882ced50681f91cfe769d2411e00ada162010304aa4a9522ada3e85"`
[INFO] [stdout] ee542f14e882ced50681f91cfe769d2411e00ada162010304aa4a9522ada3e85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_tree/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e2434f58d128f614668686562394167f0dae241bf747596ba128644b913bda1b
[INFO] running `"docker" "start" "-a" "e2434f58d128f614668686562394167f0dae241bf747596ba128644b913bda1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rbx_tree-9c718db1569697d5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbx_tree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e2434f58d128f614668686562394167f0dae241bf747596ba128644b913bda1b"`
[INFO] running `"docker" "rm" "-f" "e2434f58d128f614668686562394167f0dae241bf747596ba128644b913bda1b"`
[INFO] [stdout] e2434f58d128f614668686562394167f0dae241bf747596ba128644b913bda1b