[INFO] updating cached repository nrclark/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nrclark/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nrclark/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/nrclark/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nrclark/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nrclark/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrclark/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrclark/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27e38e19a91190757b3e6f5f61f921fce3824206
[INFO] sha for GitHub repo nrclark/rust-guessing-game: 27e38e19a91190757b3e6f5f61f921fce3824206
[INFO] validating manifest of nrclark/rust-guessing-game 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 nrclark/rust-guessing-game 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 nrclark/rust-guessing-game
[INFO] finished frobbing nrclark/rust-guessing-game
[INFO] frobbed toml for nrclark/rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/nrclark/rust-guessing-game/Cargo.toml
[INFO] started frobbing nrclark/rust-guessing-game
[INFO] finished frobbing nrclark/rust-guessing-game
[INFO] frobbed toml for nrclark/rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrclark/rust-guessing-game/Cargo.toml
[INFO] crate nrclark/rust-guessing-game 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 nrclark/rust-guessing-game 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nrclark/rust-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=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] 2d9ebd353bc9d9896470a4ad92b7f5241e9c94f5387e717532dce937625e2e35
[INFO] running `"docker" "start" "-a" "2d9ebd353bc9d9896470a4ad92b7f5241e9c94f5387e717532dce937625e2e35"`
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `"docker" "inspect" "2d9ebd353bc9d9896470a4ad92b7f5241e9c94f5387e717532dce937625e2e35"`
[INFO] running `"docker" "rm" "-f" "2d9ebd353bc9d9896470a4ad92b7f5241e9c94f5387e717532dce937625e2e35"`
[INFO] [stdout] 2d9ebd353bc9d9896470a4ad92b7f5241e9c94f5387e717532dce937625e2e35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nrclark/rust-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=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] 9569da8583ff9416e64cb11a62f8b45dceabc74b63cad7968a1cb267620b2970
[INFO] running `"docker" "start" "-a" "9569da8583ff9416e64cb11a62f8b45dceabc74b63cad7968a1cb267620b2970"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "9569da8583ff9416e64cb11a62f8b45dceabc74b63cad7968a1cb267620b2970"`
[INFO] running `"docker" "rm" "-f" "9569da8583ff9416e64cb11a62f8b45dceabc74b63cad7968a1cb267620b2970"`
[INFO] [stdout] 9569da8583ff9416e64cb11a62f8b45dceabc74b63cad7968a1cb267620b2970
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nrclark/rust-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=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] ce6c6082e5116767d9a11cf098fafb8dd245423c4dd2e48f0ef6dc79de0bf3e8
[INFO] running `"docker" "start" "-a" "ce6c6082e5116767d9a11cf098fafb8dd245423c4dd2e48f0ef6dc79de0bf3e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-7c09fd1aa87b5b19
[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" "ce6c6082e5116767d9a11cf098fafb8dd245423c4dd2e48f0ef6dc79de0bf3e8"`
[INFO] running `"docker" "rm" "-f" "ce6c6082e5116767d9a11cf098fafb8dd245423c4dd2e48f0ef6dc79de0bf3e8"`
[INFO] [stdout] ce6c6082e5116767d9a11cf098fafb8dd245423c4dd2e48f0ef6dc79de0bf3e8