[INFO] updating cached repository sdeming/fracti
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sdeming/fracti
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sdeming/fracti" "work/ex/beta-1.38-1/sources/1.37.0/gh/sdeming/fracti"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sdeming/fracti'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sdeming/fracti" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdeming/fracti"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdeming/fracti'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0cd2324bf9f5030ad29796e2d98349659a2bd3d
[INFO] sha for GitHub repo sdeming/fracti: b0cd2324bf9f5030ad29796e2d98349659a2bd3d
[INFO] validating manifest of sdeming/fracti 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 sdeming/fracti 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 sdeming/fracti
[INFO] finished frobbing sdeming/fracti
[INFO] frobbed toml for sdeming/fracti written to work/ex/beta-1.38-1/sources/1.37.0/gh/sdeming/fracti/Cargo.toml
[INFO] started frobbing sdeming/fracti
[INFO] finished frobbing sdeming/fracti
[INFO] frobbed toml for sdeming/fracti written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdeming/fracti/Cargo.toml
[INFO] crate sdeming/fracti 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 sdeming/fracti against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdeming/fracti:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a4485bdfd1f0af0389bec6c8961d865fa3af99ccf3b33e66804775181760b19a
[INFO] running `"docker" "start" "-a" "a4485bdfd1f0af0389bec6c8961d865fa3af99ccf3b33e66804775181760b19a"`
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling fracti v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `maple_leaf`
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn maple_leaf() -> BarnsleyIFS {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sierpenski`
[INFO] [stderr]    --> src/main.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn sierpenski() -> BarnsleyIFS {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `"docker" "inspect" "a4485bdfd1f0af0389bec6c8961d865fa3af99ccf3b33e66804775181760b19a"`
[INFO] running `"docker" "rm" "-f" "a4485bdfd1f0af0389bec6c8961d865fa3af99ccf3b33e66804775181760b19a"`
[INFO] [stdout] a4485bdfd1f0af0389bec6c8961d865fa3af99ccf3b33e66804775181760b19a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdeming/fracti:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b35955f588af2597f17b5db2570c77db9733b3f40a40889d84d0f7489ed4ebc
[INFO] running `"docker" "start" "-a" "0b35955f588af2597f17b5db2570c77db9733b3f40a40889d84d0f7489ed4ebc"`
[INFO] [stderr]    Compiling fracti v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `maple_leaf`
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn maple_leaf() -> BarnsleyIFS {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sierpenski`
[INFO] [stderr]    --> src/main.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn sierpenski() -> BarnsleyIFS {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "0b35955f588af2597f17b5db2570c77db9733b3f40a40889d84d0f7489ed4ebc"`
[INFO] running `"docker" "rm" "-f" "0b35955f588af2597f17b5db2570c77db9733b3f40a40889d84d0f7489ed4ebc"`
[INFO] [stdout] 0b35955f588af2597f17b5db2570c77db9733b3f40a40889d84d0f7489ed4ebc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdeming/fracti:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6373c74124aa5ac455f79263a00f22409c913654604c1f3e36e5c16def2bf9a5
[INFO] running `"docker" "start" "-a" "6373c74124aa5ac455f79263a00f22409c913654604c1f3e36e5c16def2bf9a5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fracti-80c049e70cc72096
[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" "6373c74124aa5ac455f79263a00f22409c913654604c1f3e36e5c16def2bf9a5"`
[INFO] running `"docker" "rm" "-f" "6373c74124aa5ac455f79263a00f22409c913654604c1f3e36e5c16def2bf9a5"`
[INFO] [stdout] 6373c74124aa5ac455f79263a00f22409c913654604c1f3e36e5c16def2bf9a5