[INFO] updating cached repository libook/guess-numbers-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/libook/guess-numbers-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/libook/guess-numbers-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/libook/guess-numbers-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/libook/guess-numbers-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/libook/guess-numbers-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/libook/guess-numbers-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/libook/guess-numbers-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70ab8ff8865188455cb6df7c041c7443abca8388
[INFO] sha for GitHub repo libook/guess-numbers-rust: 70ab8ff8865188455cb6df7c041c7443abca8388
[INFO] validating manifest of libook/guess-numbers-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libook/guess-numbers-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libook/guess-numbers-rust
[INFO] finished frobbing libook/guess-numbers-rust
[INFO] frobbed toml for libook/guess-numbers-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/libook/guess-numbers-rust/Cargo.toml
[INFO] started frobbing libook/guess-numbers-rust
[INFO] finished frobbing libook/guess-numbers-rust
[INFO] frobbed toml for libook/guess-numbers-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/libook/guess-numbers-rust/Cargo.toml
[INFO] crate libook/guess-numbers-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing libook/guess-numbers-rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/libook/guess-numbers-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] bac1107132e637da6e6c88e0f2318758f35f067e8b73a22bd456a76f08c340b1
[INFO] running `"docker" "start" "-a" "bac1107132e637da6e6c88e0f2318758f35f067e8b73a22bd456a76f08c340b1"`
[INFO] [stderr]    Compiling guess-numbers-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "bac1107132e637da6e6c88e0f2318758f35f067e8b73a22bd456a76f08c340b1"`
[INFO] running `"docker" "rm" "-f" "bac1107132e637da6e6c88e0f2318758f35f067e8b73a22bd456a76f08c340b1"`
[INFO] [stdout] bac1107132e637da6e6c88e0f2318758f35f067e8b73a22bd456a76f08c340b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/libook/guess-numbers-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 795815a09d4839046f222edb618b8cb7f719f38444eded8fc143feda43ff212e
[INFO] running `"docker" "start" "-a" "795815a09d4839046f222edb618b8cb7f719f38444eded8fc143feda43ff212e"`
[INFO] [stderr]    Compiling guess-numbers-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "795815a09d4839046f222edb618b8cb7f719f38444eded8fc143feda43ff212e"`
[INFO] running `"docker" "rm" "-f" "795815a09d4839046f222edb618b8cb7f719f38444eded8fc143feda43ff212e"`
[INFO] [stdout] 795815a09d4839046f222edb618b8cb7f719f38444eded8fc143feda43ff212e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/libook/guess-numbers-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 60461830b491e2bea3a661b7d5797f2c6e59607217d7d316ded29cf36f8d3b66
[INFO] running `"docker" "start" "-a" "60461830b491e2bea3a661b7d5797f2c6e59607217d7d316ded29cf36f8d3b66"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guess_numbers_rust-8db26f3ec5b0217a
[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" "60461830b491e2bea3a661b7d5797f2c6e59607217d7d316ded29cf36f8d3b66"`
[INFO] running `"docker" "rm" "-f" "60461830b491e2bea3a661b7d5797f2c6e59607217d7d316ded29cf36f8d3b66"`
[INFO] [stdout] 60461830b491e2bea3a661b7d5797f2c6e59607217d7d316ded29cf36f8d3b66