[INFO] updating cached repository gruberb/NumberGuessing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gruberb/NumberGuessing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gruberb/NumberGuessing" "work/ex/beta-1.38-1/sources/1.37.0/gh/gruberb/NumberGuessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gruberb/NumberGuessing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gruberb/NumberGuessing" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gruberb/NumberGuessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gruberb/NumberGuessing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f33aeddb2dfed4ddebd855df5676e2a693a0b03
[INFO] sha for GitHub repo gruberb/NumberGuessing: 6f33aeddb2dfed4ddebd855df5676e2a693a0b03
[INFO] validating manifest of gruberb/NumberGuessing 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 gruberb/NumberGuessing 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 gruberb/NumberGuessing
[INFO] finished frobbing gruberb/NumberGuessing
[INFO] frobbed toml for gruberb/NumberGuessing written to work/ex/beta-1.38-1/sources/1.37.0/gh/gruberb/NumberGuessing/Cargo.toml
[INFO] started frobbing gruberb/NumberGuessing
[INFO] finished frobbing gruberb/NumberGuessing
[INFO] frobbed toml for gruberb/NumberGuessing written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gruberb/NumberGuessing/Cargo.toml
[INFO] crate gruberb/NumberGuessing 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 gruberb/NumberGuessing 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gruberb/NumberGuessing:/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] 455d21e695f6d3a407c4acb290cf2eaa5e30dd4c960fb31a75ece13a56864ba9
[INFO] running `"docker" "start" "-a" "455d21e695f6d3a407c4acb290cf2eaa5e30dd4c960fb31a75ece13a56864ba9"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "455d21e695f6d3a407c4acb290cf2eaa5e30dd4c960fb31a75ece13a56864ba9"`
[INFO] running `"docker" "rm" "-f" "455d21e695f6d3a407c4acb290cf2eaa5e30dd4c960fb31a75ece13a56864ba9"`
[INFO] [stdout] 455d21e695f6d3a407c4acb290cf2eaa5e30dd4c960fb31a75ece13a56864ba9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gruberb/NumberGuessing:/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] 66efed9bdb573dab05622758fa520bd85357097427382fb526596a6e6d438d20
[INFO] running `"docker" "start" "-a" "66efed9bdb573dab05622758fa520bd85357097427382fb526596a6e6d438d20"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "66efed9bdb573dab05622758fa520bd85357097427382fb526596a6e6d438d20"`
[INFO] running `"docker" "rm" "-f" "66efed9bdb573dab05622758fa520bd85357097427382fb526596a6e6d438d20"`
[INFO] [stdout] 66efed9bdb573dab05622758fa520bd85357097427382fb526596a6e6d438d20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gruberb/NumberGuessing:/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] 4a4eba6cf0ff91569ae2bee55973a1312362a694262b223d14680e67a35f1771
[INFO] running `"docker" "start" "-a" "4a4eba6cf0ff91569ae2bee55973a1312362a694262b223d14680e67a35f1771"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-e0b5d279af557efc
[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" "4a4eba6cf0ff91569ae2bee55973a1312362a694262b223d14680e67a35f1771"`
[INFO] running `"docker" "rm" "-f" "4a4eba6cf0ff91569ae2bee55973a1312362a694262b223d14680e67a35f1771"`
[INFO] [stdout] 4a4eba6cf0ff91569ae2bee55973a1312362a694262b223d14680e67a35f1771