[INFO] updating cached repository JasonAForral/guessing-game-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JasonAForral/guessing-game-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonAForral/guessing-game-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/JasonAForral/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JasonAForral/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonAForral/guessing-game-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JasonAForral/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JasonAForral/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32051656fa5d6a10600ed513eb731a706b1be265
[INFO] sha for GitHub repo JasonAForral/guessing-game-rust: 32051656fa5d6a10600ed513eb731a706b1be265
[INFO] validating manifest of JasonAForral/guessing-game-rust 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 JasonAForral/guessing-game-rust 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 JasonAForral/guessing-game-rust
[INFO] finished frobbing JasonAForral/guessing-game-rust
[INFO] frobbed toml for JasonAForral/guessing-game-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/JasonAForral/guessing-game-rust/Cargo.toml
[INFO] started frobbing JasonAForral/guessing-game-rust
[INFO] finished frobbing JasonAForral/guessing-game-rust
[INFO] frobbed toml for JasonAForral/guessing-game-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JasonAForral/guessing-game-rust/Cargo.toml
[INFO] crate JasonAForral/guessing-game-rust 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 JasonAForral/guessing-game-rust 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JasonAForral/guessing-game-rust:/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] 7de058856ccd3abba9c9230d23af5302cfbbe41c74c89190c9fad78da591c088
[INFO] running `"docker" "start" "-a" "7de058856ccd3abba9c9230d23af5302cfbbe41c74c89190c9fad78da591c088"`
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling guessing-game-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "7de058856ccd3abba9c9230d23af5302cfbbe41c74c89190c9fad78da591c088"`
[INFO] running `"docker" "rm" "-f" "7de058856ccd3abba9c9230d23af5302cfbbe41c74c89190c9fad78da591c088"`
[INFO] [stdout] 7de058856ccd3abba9c9230d23af5302cfbbe41c74c89190c9fad78da591c088
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JasonAForral/guessing-game-rust:/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] 4d75ae8a35fd653c9572fa1dd4c73eeae5c063d117f9b2169c64967b4e29172e
[INFO] running `"docker" "start" "-a" "4d75ae8a35fd653c9572fa1dd4c73eeae5c063d117f9b2169c64967b4e29172e"`
[INFO] [stderr]    Compiling guessing-game-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "4d75ae8a35fd653c9572fa1dd4c73eeae5c063d117f9b2169c64967b4e29172e"`
[INFO] running `"docker" "rm" "-f" "4d75ae8a35fd653c9572fa1dd4c73eeae5c063d117f9b2169c64967b4e29172e"`
[INFO] [stdout] 4d75ae8a35fd653c9572fa1dd4c73eeae5c063d117f9b2169c64967b4e29172e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JasonAForral/guessing-game-rust:/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] 515e3ce44db22b3842eff536540a35c95ceaaacfbb7b8073832c340f1b3e6f48
[INFO] running `"docker" "start" "-a" "515e3ce44db22b3842eff536540a35c95ceaaacfbb7b8073832c340f1b3e6f48"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game_rust-f41c20cdfd281f42
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "515e3ce44db22b3842eff536540a35c95ceaaacfbb7b8073832c340f1b3e6f48"`
[INFO] running `"docker" "rm" "-f" "515e3ce44db22b3842eff536540a35c95ceaaacfbb7b8073832c340f1b3e6f48"`
[INFO] [stdout] 515e3ce44db22b3842eff536540a35c95ceaaacfbb7b8073832c340f1b3e6f48