[INFO] updating cached repository monicagrandy/guess_the_number
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/monicagrandy/guess_the_number
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/monicagrandy/guess_the_number" "work/ex/beta-1.38-1/sources/1.37.0/gh/monicagrandy/guess_the_number"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/monicagrandy/guess_the_number'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/monicagrandy/guess_the_number" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monicagrandy/guess_the_number"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monicagrandy/guess_the_number'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d446ef3109a46f16f48bcccf9c29dd4f6f48152
[INFO] sha for GitHub repo monicagrandy/guess_the_number: 7d446ef3109a46f16f48bcccf9c29dd4f6f48152
[INFO] validating manifest of monicagrandy/guess_the_number 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 monicagrandy/guess_the_number 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 monicagrandy/guess_the_number
[INFO] finished frobbing monicagrandy/guess_the_number
[INFO] frobbed toml for monicagrandy/guess_the_number written to work/ex/beta-1.38-1/sources/1.37.0/gh/monicagrandy/guess_the_number/Cargo.toml
[INFO] started frobbing monicagrandy/guess_the_number
[INFO] finished frobbing monicagrandy/guess_the_number
[INFO] frobbed toml for monicagrandy/guess_the_number written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monicagrandy/guess_the_number/Cargo.toml
[INFO] crate monicagrandy/guess_the_number 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/monicagrandy/guess_the_number/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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 monicagrandy/guess_the_number 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/monicagrandy/guess_the_number:/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] dc33b85bbcca1904184c9c8b3aec471793fe1e02780670294f96d1bbe7970bda
[INFO] running `"docker" "start" "-a" "dc33b85bbcca1904184c9c8b3aec471793fe1e02780670294f96d1bbe7970bda"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "dc33b85bbcca1904184c9c8b3aec471793fe1e02780670294f96d1bbe7970bda"`
[INFO] running `"docker" "rm" "-f" "dc33b85bbcca1904184c9c8b3aec471793fe1e02780670294f96d1bbe7970bda"`
[INFO] [stdout] dc33b85bbcca1904184c9c8b3aec471793fe1e02780670294f96d1bbe7970bda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/monicagrandy/guess_the_number:/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] 5d193330b2afcea91084dc9fc070d6894b5afafa8f2c63004e87340c1db64738
[INFO] running `"docker" "start" "-a" "5d193330b2afcea91084dc9fc070d6894b5afafa8f2c63004e87340c1db64738"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "5d193330b2afcea91084dc9fc070d6894b5afafa8f2c63004e87340c1db64738"`
[INFO] running `"docker" "rm" "-f" "5d193330b2afcea91084dc9fc070d6894b5afafa8f2c63004e87340c1db64738"`
[INFO] [stdout] 5d193330b2afcea91084dc9fc070d6894b5afafa8f2c63004e87340c1db64738
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/monicagrandy/guess_the_number:/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] e7907b0ba0efa4e45a3684aa137bce8fed549f02317abea0a902e8ae8c1e7c4b
[INFO] running `"docker" "start" "-a" "e7907b0ba0efa4e45a3684aa137bce8fed549f02317abea0a902e8ae8c1e7c4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-bb35a4df9ee8519d
[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" "e7907b0ba0efa4e45a3684aa137bce8fed549f02317abea0a902e8ae8c1e7c4b"`
[INFO] running `"docker" "rm" "-f" "e7907b0ba0efa4e45a3684aa137bce8fed549f02317abea0a902e8ae8c1e7c4b"`
[INFO] [stdout] e7907b0ba0efa4e45a3684aa137bce8fed549f02317abea0a902e8ae8c1e7c4b