[INFO] updating cached repository LevitatingOrange/circular-family-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LevitatingOrange/circular-family-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LevitatingOrange/circular-family-tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/LevitatingOrange/circular-family-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LevitatingOrange/circular-family-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LevitatingOrange/circular-family-tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LevitatingOrange/circular-family-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LevitatingOrange/circular-family-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c871ee0258fd3152d0d39642ec8db74bc436a56c
[INFO] sha for GitHub repo LevitatingOrange/circular-family-tree: c871ee0258fd3152d0d39642ec8db74bc436a56c
[INFO] validating manifest of LevitatingOrange/circular-family-tree 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 LevitatingOrange/circular-family-tree 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 LevitatingOrange/circular-family-tree
[INFO] finished frobbing LevitatingOrange/circular-family-tree
[INFO] frobbed toml for LevitatingOrange/circular-family-tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/LevitatingOrange/circular-family-tree/Cargo.toml
[INFO] started frobbing LevitatingOrange/circular-family-tree
[INFO] finished frobbing LevitatingOrange/circular-family-tree
[INFO] frobbed toml for LevitatingOrange/circular-family-tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LevitatingOrange/circular-family-tree/Cargo.toml
[INFO] crate LevitatingOrange/circular-family-tree 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 LevitatingOrange/circular-family-tree 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LevitatingOrange/circular-family-tree:/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] 739db3d6f3c46bd45dd9a168ef1227a31468a6b913dc66dff6ab41f1fe33e777
[INFO] running `"docker" "start" "-a" "739db3d6f3c46bd45dd9a168ef1227a31468a6b913dc66dff6ab41f1fe33e777"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling circular-family-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: structure field `arg_FILE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     arg_FILE: String,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `arg_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `arg_RADIUS` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     arg_RADIUS: f64,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `arg_radius`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `arg_DEPTH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arg_DEPTH: u32,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to snake case: `arg_depth`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.62s
[INFO] running `"docker" "inspect" "739db3d6f3c46bd45dd9a168ef1227a31468a6b913dc66dff6ab41f1fe33e777"`
[INFO] running `"docker" "rm" "-f" "739db3d6f3c46bd45dd9a168ef1227a31468a6b913dc66dff6ab41f1fe33e777"`
[INFO] [stdout] 739db3d6f3c46bd45dd9a168ef1227a31468a6b913dc66dff6ab41f1fe33e777
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LevitatingOrange/circular-family-tree:/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] 68db15cfb3db024bf07ecf154a769dee08d61b91b0806c2d353aca2096104221
[INFO] running `"docker" "start" "-a" "68db15cfb3db024bf07ecf154a769dee08d61b91b0806c2d353aca2096104221"`
[INFO] [stderr]    Compiling circular-family-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: structure field `arg_FILE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     arg_FILE: String,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `arg_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `arg_RADIUS` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     arg_RADIUS: f64,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `arg_radius`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `arg_DEPTH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arg_DEPTH: u32,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to snake case: `arg_depth`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "68db15cfb3db024bf07ecf154a769dee08d61b91b0806c2d353aca2096104221"`
[INFO] running `"docker" "rm" "-f" "68db15cfb3db024bf07ecf154a769dee08d61b91b0806c2d353aca2096104221"`
[INFO] [stdout] 68db15cfb3db024bf07ecf154a769dee08d61b91b0806c2d353aca2096104221
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LevitatingOrange/circular-family-tree:/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] 8596c946fb7c3a008370ec011d8bf19f0839f7fa8e83e9854126ae781c3b49ba
[INFO] running `"docker" "start" "-a" "8596c946fb7c3a008370ec011d8bf19f0839f7fa8e83e9854126ae781c3b49ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/circular_family_tree-37afc4488287e1b6
[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" "8596c946fb7c3a008370ec011d8bf19f0839f7fa8e83e9854126ae781c3b49ba"`
[INFO] running `"docker" "rm" "-f" "8596c946fb7c3a008370ec011d8bf19f0839f7fa8e83e9854126ae781c3b49ba"`
[INFO] [stdout] 8596c946fb7c3a008370ec011d8bf19f0839f7fa8e83e9854126ae781c3b49ba