[INFO] crate reingold-tilford 1.0.0 is already in cache
[INFO] extracting crate reingold-tilford 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/reingold-tilford/1.0.0
[INFO] extracting crate reingold-tilford 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/reingold-tilford/1.0.0
[INFO] validating manifest of reingold-tilford-1.0.0 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 reingold-tilford-1.0.0 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 reingold-tilford-1.0.0
[INFO] finished frobbing reingold-tilford-1.0.0
[INFO] frobbed toml for reingold-tilford-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/reingold-tilford/1.0.0/Cargo.toml
[INFO] started frobbing reingold-tilford-1.0.0
[INFO] finished frobbing reingold-tilford-1.0.0
[INFO] frobbed toml for reingold-tilford-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/reingold-tilford/1.0.0/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 reingold-tilford-1.0.0 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/reingold-tilford/1.0.0:/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] 313735580c4f8ff43feef9c8ac4a8a4d80c6bf4629c65244b2bad823b8ae16d4
[INFO] running `"docker" "start" "-a" "313735580c4f8ff43feef9c8ac4a8a4d80c6bf4629c65244b2bad823b8ae16d4"`
[INFO] [stderr]    Compiling reingold-tilford v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "313735580c4f8ff43feef9c8ac4a8a4d80c6bf4629c65244b2bad823b8ae16d4"`
[INFO] running `"docker" "rm" "-f" "313735580c4f8ff43feef9c8ac4a8a4d80c6bf4629c65244b2bad823b8ae16d4"`
[INFO] [stdout] 313735580c4f8ff43feef9c8ac4a8a4d80c6bf4629c65244b2bad823b8ae16d4
[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/reingold-tilford/1.0.0:/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] c4b9bf373ebb8df9fc653d00965afc099a3d24e8e539f6235f6ed09d093c8767
[INFO] running `"docker" "start" "-a" "c4b9bf373ebb8df9fc653d00965afc099a3d24e8e539f6235f6ed09d093c8767"`
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling reingold-tilford v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `"docker" "inspect" "c4b9bf373ebb8df9fc653d00965afc099a3d24e8e539f6235f6ed09d093c8767"`
[INFO] running `"docker" "rm" "-f" "c4b9bf373ebb8df9fc653d00965afc099a3d24e8e539f6235f6ed09d093c8767"`
[INFO] [stdout] c4b9bf373ebb8df9fc653d00965afc099a3d24e8e539f6235f6ed09d093c8767
[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/reingold-tilford/1.0.0:/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] b292d2a581cdda1307fa87a1fcee55d552588d6cef6a4db96bb0ad5179aad188
[INFO] running `"docker" "start" "-a" "b292d2a581cdda1307fa87a1fcee55d552588d6cef6a4db96bb0ad5179aad188"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reingold_tilford-9e1788ebac289e55
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tree::test::root ... ok
[INFO] [stdout] test tree::test::post_order ... ok
[INFO] [stdout] test tree::test::new ... ok
[INFO] [stdout] test tree::test::is_root_false ... ok
[INFO] [stdout] test tree::test::is_root_true ... ok
[INFO] [stdout] test tree::test::is_leaf_true ... ok
[INFO] [stdout] test tree::test::breadth_first ... ok
[INFO] [stdout] test tree::test::is_leaf_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-e8b2904c982d2ea3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test petgraph ... ok
[INFO] [stdout] test ptc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reingold-tilford
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - NodeInfo (line 86) ... ok
[INFO] [stdout] test src/lib.rs - NodeInfo (line 44) ... 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" "b292d2a581cdda1307fa87a1fcee55d552588d6cef6a4db96bb0ad5179aad188"`
[INFO] running `"docker" "rm" "-f" "b292d2a581cdda1307fa87a1fcee55d552588d6cef6a4db96bb0ad5179aad188"`
[INFO] [stdout] b292d2a581cdda1307fa87a1fcee55d552588d6cef6a4db96bb0ad5179aad188