[INFO] updating cached repository GitSquared/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GitSquared/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GitSquared/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/GitSquared/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/GitSquared/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GitSquared/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GitSquared/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GitSquared/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13aac21028a51cea19b5af79cc735cd530b6c459
[INFO] sha for GitHub repo GitSquared/guessing_game: 13aac21028a51cea19b5af79cc735cd530b6c459
[INFO] validating manifest of GitSquared/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 GitSquared/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 GitSquared/guessing_game
[INFO] finished frobbing GitSquared/guessing_game
[INFO] frobbed toml for GitSquared/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/GitSquared/guessing_game/Cargo.toml
[INFO] started frobbing GitSquared/guessing_game
[INFO] finished frobbing GitSquared/guessing_game
[INFO] frobbed toml for GitSquared/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GitSquared/guessing_game/Cargo.toml
[INFO] crate GitSquared/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GitSquared/guessing_game/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 GitSquared/guessing_game against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GitSquared/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d8c09cc230ae3e78515818c70f8d60348a5b19a996ee6a9c893ad40620ce5d07
[INFO] running `"docker" "start" "-a" "d8c09cc230ae3e78515818c70f8d60348a5b19a996ee6a9c893ad40620ce5d07"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling meval v0.1.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling guessing_game_squared v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.12s
[INFO] running `"docker" "inspect" "d8c09cc230ae3e78515818c70f8d60348a5b19a996ee6a9c893ad40620ce5d07"`
[INFO] running `"docker" "rm" "-f" "d8c09cc230ae3e78515818c70f8d60348a5b19a996ee6a9c893ad40620ce5d07"`
[INFO] [stdout] d8c09cc230ae3e78515818c70f8d60348a5b19a996ee6a9c893ad40620ce5d07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GitSquared/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3d93cab2b7586dd656d50713d112418ce2a7cb3043cd2356985c6815dd5d4e5b
[INFO] running `"docker" "start" "-a" "3d93cab2b7586dd656d50713d112418ce2a7cb3043cd2356985c6815dd5d4e5b"`
[INFO] [stderr]    Compiling guessing_game_squared v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "3d93cab2b7586dd656d50713d112418ce2a7cb3043cd2356985c6815dd5d4e5b"`
[INFO] running `"docker" "rm" "-f" "3d93cab2b7586dd656d50713d112418ce2a7cb3043cd2356985c6815dd5d4e5b"`
[INFO] [stdout] 3d93cab2b7586dd656d50713d112418ce2a7cb3043cd2356985c6815dd5d4e5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GitSquared/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b488235b2fd9bda8fb8201be3a3a252700f8b3d6abd546eb229169719026096e
[INFO] running `"docker" "start" "-a" "b488235b2fd9bda8fb8201be3a3a252700f8b3d6abd546eb229169719026096e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/autoguess-454e3870fd431e64
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-d495bdd956cf4962
[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] [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" "b488235b2fd9bda8fb8201be3a3a252700f8b3d6abd546eb229169719026096e"`
[INFO] running `"docker" "rm" "-f" "b488235b2fd9bda8fb8201be3a3a252700f8b3d6abd546eb229169719026096e"`
[INFO] [stdout] b488235b2fd9bda8fb8201be3a3a252700f8b3d6abd546eb229169719026096e