[INFO] updating cached repository 414owen/L-Systems
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/414owen/L-Systems
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/414owen/L-Systems" "work/ex/beta-1.37-6/sources/1.36.0/gh/414owen/L-Systems"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/414owen/L-Systems'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/414owen/L-Systems" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/414owen/L-Systems"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/414owen/L-Systems'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9b9279f4e03eec800e94b94f2abc4a482d68e22
[INFO] sha for GitHub repo 414owen/L-Systems: e9b9279f4e03eec800e94b94f2abc4a482d68e22
[INFO] validating manifest of 414owen/L-Systems on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 414owen/L-Systems on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 414owen/L-Systems
[INFO] finished frobbing 414owen/L-Systems
[INFO] frobbed toml for 414owen/L-Systems written to work/ex/beta-1.37-6/sources/1.36.0/gh/414owen/L-Systems/Cargo.toml
[INFO] started frobbing 414owen/L-Systems
[INFO] finished frobbing 414owen/L-Systems
[INFO] frobbed toml for 414owen/L-Systems written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/414owen/L-Systems/Cargo.toml
[INFO] crate 414owen/L-Systems already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 414owen/L-Systems against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/414owen/L-Systems:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ba99ef6e456106a43f9b322fca76cb63a5034a8f852812801cfc171b88ca35da
[INFO] running `"docker" "start" "-a" "ba99ef6e456106a43f9b322fca76cb63a5034a8f852812801cfc171b88ca35da"`
[INFO] [stderr]    Compiling L-Systems v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/bin/sierpinski.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Command::Var(a) => "fd 4"
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "ba99ef6e456106a43f9b322fca76cb63a5034a8f852812801cfc171b88ca35da"`
[INFO] running `"docker" "rm" "-f" "ba99ef6e456106a43f9b322fca76cb63a5034a8f852812801cfc171b88ca35da"`
[INFO] [stdout] ba99ef6e456106a43f9b322fca76cb63a5034a8f852812801cfc171b88ca35da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/414owen/L-Systems:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 516a6a180bc7319e077e21a2163902c4775b9d644f3d42d72726199c259c092e
[INFO] running `"docker" "start" "-a" "516a6a180bc7319e077e21a2163902c4775b9d644f3d42d72726199c259c092e"`
[INFO] [stderr]    Compiling L-Systems v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/bin/sierpinski.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Command::Var(a) => "fd 4"
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "516a6a180bc7319e077e21a2163902c4775b9d644f3d42d72726199c259c092e"`
[INFO] running `"docker" "rm" "-f" "516a6a180bc7319e077e21a2163902c4775b9d644f3d42d72726199c259c092e"`
[INFO] [stdout] 516a6a180bc7319e077e21a2163902c4775b9d644f3d42d72726199c259c092e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/414owen/L-Systems:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ad4513d3ec4980cc2dd501d5eb8db2f259f7ce6fedb76eb069f5ca70db8057eb
[INFO] running `"docker" "start" "-a" "ad4513d3ec4980cc2dd501d5eb8db2f259f7ce6fedb76eb069f5ca70db8057eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sierpinski-af4773104017952f
[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" "ad4513d3ec4980cc2dd501d5eb8db2f259f7ce6fedb76eb069f5ca70db8057eb"`
[INFO] running `"docker" "rm" "-f" "ad4513d3ec4980cc2dd501d5eb8db2f259f7ce6fedb76eb069f5ca70db8057eb"`
[INFO] [stdout] ad4513d3ec4980cc2dd501d5eb8db2f259f7ce6fedb76eb069f5ca70db8057eb