[INFO] updating cached repository prestonwl/rustlang101
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/prestonwl/rustlang101
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/prestonwl/rustlang101" "work/ex/beta-1.37-6/sources/1.36.0/gh/prestonwl/rustlang101"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/prestonwl/rustlang101'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/prestonwl/rustlang101" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prestonwl/rustlang101"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prestonwl/rustlang101'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23f44d0250204e9b1bf1f49dd2f4e28bbd18a719
[INFO] sha for GitHub repo prestonwl/rustlang101: 23f44d0250204e9b1bf1f49dd2f4e28bbd18a719
[INFO] validating manifest of prestonwl/rustlang101 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 prestonwl/rustlang101 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 prestonwl/rustlang101
[INFO] finished frobbing prestonwl/rustlang101
[INFO] frobbed toml for prestonwl/rustlang101 written to work/ex/beta-1.37-6/sources/1.36.0/gh/prestonwl/rustlang101/Cargo.toml
[INFO] started frobbing prestonwl/rustlang101
[INFO] finished frobbing prestonwl/rustlang101
[INFO] frobbed toml for prestonwl/rustlang101 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prestonwl/rustlang101/Cargo.toml
[INFO] crate prestonwl/rustlang101 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 prestonwl/rustlang101 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/prestonwl/rustlang101:/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] fa0a5b0373b58a92b4f14877ebf30dd56a8d0065d1e9c4c8c97f7c0efb7bda4f
[INFO] running `"docker" "start" "-a" "fa0a5b0373b58a92b4f14877ebf30dd56a8d0065d1e9c4c8c97f7c0efb7bda4f"`
[INFO] [stderr]    Compiling play v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `randatk` is never read
[INFO] [stderr]   --> src/main.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut randatk: i32 = 0;
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "fa0a5b0373b58a92b4f14877ebf30dd56a8d0065d1e9c4c8c97f7c0efb7bda4f"`
[INFO] running `"docker" "rm" "-f" "fa0a5b0373b58a92b4f14877ebf30dd56a8d0065d1e9c4c8c97f7c0efb7bda4f"`
[INFO] [stdout] fa0a5b0373b58a92b4f14877ebf30dd56a8d0065d1e9c4c8c97f7c0efb7bda4f
[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/prestonwl/rustlang101:/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] e6e49c0b7b63911fb0108caa6acd74a016cfb2525ac5aa21c8971f520fb460e0
[INFO] running `"docker" "start" "-a" "e6e49c0b7b63911fb0108caa6acd74a016cfb2525ac5aa21c8971f520fb460e0"`
[INFO] [stderr]    Compiling play v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `randatk` is never read
[INFO] [stderr]   --> src/main.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut randatk: i32 = 0;
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "e6e49c0b7b63911fb0108caa6acd74a016cfb2525ac5aa21c8971f520fb460e0"`
[INFO] running `"docker" "rm" "-f" "e6e49c0b7b63911fb0108caa6acd74a016cfb2525ac5aa21c8971f520fb460e0"`
[INFO] [stdout] e6e49c0b7b63911fb0108caa6acd74a016cfb2525ac5aa21c8971f520fb460e0
[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/prestonwl/rustlang101:/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] 180df6c1d89c475b7f3a89c8cd791ad11eb4f954b28171db0bb1c9b71afeb566
[INFO] running `"docker" "start" "-a" "180df6c1d89c475b7f3a89c8cd791ad11eb4f954b28171db0bb1c9b71afeb566"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/play-3c34b52082291627
[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" "180df6c1d89c475b7f3a89c8cd791ad11eb4f954b28171db0bb1c9b71afeb566"`
[INFO] running `"docker" "rm" "-f" "180df6c1d89c475b7f3a89c8cd791ad11eb4f954b28171db0bb1c9b71afeb566"`
[INFO] [stdout] 180df6c1d89c475b7f3a89c8cd791ad11eb4f954b28171db0bb1c9b71afeb566