[INFO] updating cached repository Celti/unicode_graph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Celti/unicode_graph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Celti/unicode_graph" "work/ex/beta-1.38-1/sources/1.37.0/gh/Celti/unicode_graph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Celti/unicode_graph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Celti/unicode_graph" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Celti/unicode_graph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Celti/unicode_graph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66239b44fc882943c56caa6c6359c321831a3758
[INFO] sha for GitHub repo Celti/unicode_graph: 66239b44fc882943c56caa6c6359c321831a3758
[INFO] validating manifest of Celti/unicode_graph 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 Celti/unicode_graph 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 Celti/unicode_graph
[INFO] finished frobbing Celti/unicode_graph
[INFO] frobbed toml for Celti/unicode_graph written to work/ex/beta-1.38-1/sources/1.37.0/gh/Celti/unicode_graph/Cargo.toml
[INFO] started frobbing Celti/unicode_graph
[INFO] finished frobbing Celti/unicode_graph
[INFO] frobbed toml for Celti/unicode_graph written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Celti/unicode_graph/Cargo.toml
[INFO] crate Celti/unicode_graph already has a lockfile, it will not be regenerated
[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 Celti/unicode_graph 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/gh/Celti/unicode_graph:/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] 3277a7ddaceb9506555fbc3bb59be2b55e29627c59d4f6db5a3c169238ce92ee
[INFO] running `"docker" "start" "-a" "3277a7ddaceb9506555fbc3bb59be2b55e29627c59d4f6db5a3c169238ce92ee"`
[INFO] [stderr]    Compiling unicode_graph v0.9.12 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "3277a7ddaceb9506555fbc3bb59be2b55e29627c59d4f6db5a3c169238ce92ee"`
[INFO] running `"docker" "rm" "-f" "3277a7ddaceb9506555fbc3bb59be2b55e29627c59d4f6db5a3c169238ce92ee"`
[INFO] [stdout] 3277a7ddaceb9506555fbc3bb59be2b55e29627c59d4f6db5a3c169238ce92ee
[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/gh/Celti/unicode_graph:/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] 4f235e616e3391530d67fc7765e9ab7091660caf6f4c85035631bd3281ce9449
[INFO] running `"docker" "start" "-a" "4f235e616e3391530d67fc7765e9ab7091660caf6f4c85035631bd3281ce9449"`
[INFO] [stderr]    Compiling unicode_graph v0.9.12 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "4f235e616e3391530d67fc7765e9ab7091660caf6f4c85035631bd3281ce9449"`
[INFO] running `"docker" "rm" "-f" "4f235e616e3391530d67fc7765e9ab7091660caf6f4c85035631bd3281ce9449"`
[INFO] [stdout] 4f235e616e3391530d67fc7765e9ab7091660caf6f4c85035631bd3281ce9449
[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/gh/Celti/unicode_graph:/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] 83407b8c2541207c8be7a422ee6646a469f91b3a7a5b796bde52c5c1e73baefa
[INFO] running `"docker" "start" "-a" "83407b8c2541207c8be7a422ee6646a469f91b3a7a5b796bde52c5c1e73baefa"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/unicode_graph-b43dcdaa34b90c09
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graph-99994d4139dc4b38
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/braille_graph-711927e0c3a41b0a
[INFO] [stdout] running 8 tests
[INFO] [stdout] test vertical_graph_decrementing_eight_to_one ... ok
[INFO] [stdout] test horizontal_graph_incrementing_one_to_eight ... ok
[INFO] [stdout] test horizontal_graph_full_eight_by_eight ... ok
[INFO] [stdout] test horizontal_graph_empty_eight_by_eight ... ok
[INFO] [stdout] test horizontal_graph_decrementing_eight_to_one ... ok
[INFO] [stdout] test vertical_graph_empty_eight_by_eight ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graph-c439d76099d1b92b
[INFO] [stdout] test vertical_graph_incrementing_one_to_eight ... ok
[INFO] [stdout] test vertical_graph_full_eight_by_eight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unicode_graph
[INFO] [stdout] running 3 tests
[INFO] [stdout] test graph_to_strings_render_braille_full_eight_by_eight ... ok
[INFO] [stdout] test graph_to_strings_render_braille_decrementing_eight_to_one ... ok
[INFO] [stdout] test graph_to_strings_render_braille_incrementing_one_to_eight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `"docker" "inspect" "83407b8c2541207c8be7a422ee6646a469f91b3a7a5b796bde52c5c1e73baefa"`
[INFO] running `"docker" "rm" "-f" "83407b8c2541207c8be7a422ee6646a469f91b3a7a5b796bde52c5c1e73baefa"`
[INFO] [stdout] 83407b8c2541207c8be7a422ee6646a469f91b3a7a5b796bde52c5c1e73baefa