[INFO] updating cached repository WRuman/conway
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/WRuman/conway
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/WRuman/conway" "work/ex/beta-1.37-6/sources/1.36.0/gh/WRuman/conway"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/WRuman/conway'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/WRuman/conway" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/WRuman/conway"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/WRuman/conway'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1330fad0da3cdcea70178efbcbefd9ef9e497753
[INFO] sha for GitHub repo WRuman/conway: 1330fad0da3cdcea70178efbcbefd9ef9e497753
[INFO] validating manifest of WRuman/conway 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 WRuman/conway 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 WRuman/conway
[INFO] finished frobbing WRuman/conway
[INFO] frobbed toml for WRuman/conway written to work/ex/beta-1.37-6/sources/1.36.0/gh/WRuman/conway/Cargo.toml
[INFO] started frobbing WRuman/conway
[INFO] finished frobbing WRuman/conway
[INFO] frobbed toml for WRuman/conway written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/WRuman/conway/Cargo.toml
[INFO] crate WRuman/conway 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 WRuman/conway 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/WRuman/conway:/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] 4fd7fe27cd29b5f13a0b1e97e390a249b797bb90398e81cd9686c8c1c80ed1d4
[INFO] running `"docker" "start" "-a" "4fd7fe27cd29b5f13a0b1e97e390a249b797bb90398e81cd9686c8c1c80ed1d4"`
[INFO] [stderr]    Compiling conway v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `add_acorn`
[INFO] [stderr]   --> src/game.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn add_acorn(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "4fd7fe27cd29b5f13a0b1e97e390a249b797bb90398e81cd9686c8c1c80ed1d4"`
[INFO] running `"docker" "rm" "-f" "4fd7fe27cd29b5f13a0b1e97e390a249b797bb90398e81cd9686c8c1c80ed1d4"`
[INFO] [stdout] 4fd7fe27cd29b5f13a0b1e97e390a249b797bb90398e81cd9686c8c1c80ed1d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/WRuman/conway:/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] 303828e36691b062a4e70867944d86e2e9407043fb0e12de60ea0238953e9bdb
[INFO] running `"docker" "start" "-a" "303828e36691b062a4e70867944d86e2e9407043fb0e12de60ea0238953e9bdb"`
[INFO] [stderr]    Compiling conway v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `add_acorn`
[INFO] [stderr]   --> src/game.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn add_acorn(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "303828e36691b062a4e70867944d86e2e9407043fb0e12de60ea0238953e9bdb"`
[INFO] running `"docker" "rm" "-f" "303828e36691b062a4e70867944d86e2e9407043fb0e12de60ea0238953e9bdb"`
[INFO] [stdout] 303828e36691b062a4e70867944d86e2e9407043fb0e12de60ea0238953e9bdb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/WRuman/conway:/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] 24d714aa020cf8d9eabd0e24a285dce8f4cae94806ffb2185078c873a005241d
[INFO] running `"docker" "start" "-a" "24d714aa020cf8d9eabd0e24a285dce8f4cae94806ffb2185078c873a005241d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/conway-276a32973f9a3c5c
[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" "24d714aa020cf8d9eabd0e24a285dce8f4cae94806ffb2185078c873a005241d"`
[INFO] running `"docker" "rm" "-f" "24d714aa020cf8d9eabd0e24a285dce8f4cae94806ffb2185078c873a005241d"`
[INFO] [stdout] 24d714aa020cf8d9eabd0e24a285dce8f4cae94806ffb2185078c873a005241d