[INFO] cloning repository brion25/guessing-game
[INFO] running `"git" "clone" "--bare" "git://github.com/brion25/guessing-game.git" "work/cache/sources/gh/brion25/guessing-game"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/brion25/guessing-game'...
[INFO] running `"git" "clone" "work/cache/sources/gh/brion25/guessing-game" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brion25/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brion25/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brion25/guessing-game" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/brion25/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/brion25/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f2f5108d5e49bcaeab2fcc482079cb18afb55ef
[INFO] sha for GitHub repo brion25/guessing-game: 3f2f5108d5e49bcaeab2fcc482079cb18afb55ef
[INFO] validating manifest of brion25/guessing-game on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brion25/guessing-game on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brion25/guessing-game
[INFO] finished frobbing brion25/guessing-game
[INFO] frobbed toml for brion25/guessing-game written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brion25/guessing-game/Cargo.toml
[INFO] started frobbing brion25/guessing-game
[INFO] finished frobbing brion25/guessing-game
[INFO] frobbed toml for brion25/guessing-game written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/brion25/guessing-game/Cargo.toml
[INFO] crate brion25/guessing-game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing brion25/guessing-game against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brion25/guessing-game:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 887a645ff1795ae3e9e1ef11e178aed127a8ad8d057396ff71d3513fe46168e9
[INFO] running `"docker" "start" "-a" "887a645ff1795ae3e9e1ef11e178aed127a8ad8d057396ff71d3513fe46168e9"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "887a645ff1795ae3e9e1ef11e178aed127a8ad8d057396ff71d3513fe46168e9"`
[INFO] running `"docker" "rm" "-f" "887a645ff1795ae3e9e1ef11e178aed127a8ad8d057396ff71d3513fe46168e9"`
[INFO] [stdout] 887a645ff1795ae3e9e1ef11e178aed127a8ad8d057396ff71d3513fe46168e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brion25/guessing-game:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f17a46617e0a961353f5ca8482e30b8ff5577d4098af89e0b5012c6508b8a90f
[INFO] running `"docker" "start" "-a" "f17a46617e0a961353f5ca8482e30b8ff5577d4098af89e0b5012c6508b8a90f"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "f17a46617e0a961353f5ca8482e30b8ff5577d4098af89e0b5012c6508b8a90f"`
[INFO] running `"docker" "rm" "-f" "f17a46617e0a961353f5ca8482e30b8ff5577d4098af89e0b5012c6508b8a90f"`
[INFO] [stdout] f17a46617e0a961353f5ca8482e30b8ff5577d4098af89e0b5012c6508b8a90f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brion25/guessing-game:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 0960523dce001669eb176cd39c340cd0743004d5e69ab0bea2d1fad971f382bc
[INFO] running `"docker" "start" "-a" "0960523dce001669eb176cd39c340cd0743004d5e69ab0bea2d1fad971f382bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-d818058960e3da9c
[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" "0960523dce001669eb176cd39c340cd0743004d5e69ab0bea2d1fad971f382bc"`
[INFO] running `"docker" "rm" "-f" "0960523dce001669eb176cd39c340cd0743004d5e69ab0bea2d1fad971f382bc"`
[INFO] [stdout] 0960523dce001669eb176cd39c340cd0743004d5e69ab0bea2d1fad971f382bc