[INFO] updating cached repository Peternator7/cracker-barrel-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Peternator7/cracker-barrel-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Peternator7/cracker-barrel-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Peternator7/cracker-barrel-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Peternator7/cracker-barrel-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Peternator7/cracker-barrel-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Peternator7/cracker-barrel-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Peternator7/cracker-barrel-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c745de53d1a7e569c0bf536d5363019b428b2084
[INFO] sha for GitHub repo Peternator7/cracker-barrel-rust: c745de53d1a7e569c0bf536d5363019b428b2084
[INFO] validating manifest of Peternator7/cracker-barrel-rust 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 Peternator7/cracker-barrel-rust 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 Peternator7/cracker-barrel-rust
[INFO] finished frobbing Peternator7/cracker-barrel-rust
[INFO] frobbed toml for Peternator7/cracker-barrel-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Peternator7/cracker-barrel-rust/Cargo.toml
[INFO] started frobbing Peternator7/cracker-barrel-rust
[INFO] finished frobbing Peternator7/cracker-barrel-rust
[INFO] frobbed toml for Peternator7/cracker-barrel-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Peternator7/cracker-barrel-rust/Cargo.toml
[INFO] crate Peternator7/cracker-barrel-rust 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 Peternator7/cracker-barrel-rust 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/Peternator7/cracker-barrel-rust:/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] 31d4f8f10fb14684f5ff919f6b986ef596d2e66d6b624e39dc22429e25d18b3a
[INFO] running `"docker" "start" "-a" "31d4f8f10fb14684f5ff919f6b986ef596d2e66d6b624e39dc22429e25d18b3a"`
[INFO] [stderr]    Compiling triangle_problem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `c` should have an upper case name
[INFO] [stderr]   --> src/graph.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | static c: Option<Piece> = None;
[INFO] [stderr]    |        ^ help: convert the identifier to upper case: `C`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "31d4f8f10fb14684f5ff919f6b986ef596d2e66d6b624e39dc22429e25d18b3a"`
[INFO] running `"docker" "rm" "-f" "31d4f8f10fb14684f5ff919f6b986ef596d2e66d6b624e39dc22429e25d18b3a"`
[INFO] [stdout] 31d4f8f10fb14684f5ff919f6b986ef596d2e66d6b624e39dc22429e25d18b3a
[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/Peternator7/cracker-barrel-rust:/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] 2e0884428a9cd78092c72262c83528e5c041661e3531dd6983e3d0bc75a50d3c
[INFO] running `"docker" "start" "-a" "2e0884428a9cd78092c72262c83528e5c041661e3531dd6983e3d0bc75a50d3c"`
[INFO] [stderr]    Compiling triangle_problem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `c` should have an upper case name
[INFO] [stderr]   --> src/graph.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | static c: Option<Piece> = None;
[INFO] [stderr]    |        ^ help: convert the identifier to upper case: `C`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "2e0884428a9cd78092c72262c83528e5c041661e3531dd6983e3d0bc75a50d3c"`
[INFO] running `"docker" "rm" "-f" "2e0884428a9cd78092c72262c83528e5c041661e3531dd6983e3d0bc75a50d3c"`
[INFO] [stdout] 2e0884428a9cd78092c72262c83528e5c041661e3531dd6983e3d0bc75a50d3c
[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/Peternator7/cracker-barrel-rust:/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] 01d16afb26561f1942470bdcb730b0fef33aa5a9580d488b548d6c91e8567755
[INFO] running `"docker" "start" "-a" "01d16afb26561f1942470bdcb730b0fef33aa5a9580d488b548d6c91e8567755"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/triangle_problem-6e5afe286d8db697
[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" "01d16afb26561f1942470bdcb730b0fef33aa5a9580d488b548d6c91e8567755"`
[INFO] running `"docker" "rm" "-f" "01d16afb26561f1942470bdcb730b0fef33aa5a9580d488b548d6c91e8567755"`
[INFO] [stdout] 01d16afb26561f1942470bdcb730b0fef33aa5a9580d488b548d6c91e8567755