[INFO] updating cached repository frolmr/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/frolmr/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/frolmr/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/frolmr/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frolmr/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frolmr/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 209c5de2b19cc75f692467a1c96a62679ca7191b
[INFO] sha for GitHub repo frolmr/guessing_game: 209c5de2b19cc75f692467a1c96a62679ca7191b
[INFO] validating manifest of frolmr/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 frolmr/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 frolmr/guessing_game
[INFO] finished frobbing frolmr/guessing_game
[INFO] frobbed toml for frolmr/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/guessing_game/Cargo.toml
[INFO] started frobbing frolmr/guessing_game
[INFO] finished frobbing frolmr/guessing_game
[INFO] frobbed toml for frolmr/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frolmr/guessing_game/Cargo.toml
[INFO] crate frolmr/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing frolmr/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-7/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/frolmr/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] 651f7ed99d9c14fbc1c4bc43c7cf0fd9665e13308964bd5fb51b4ed978cf7e16
[INFO] running `"docker" "start" "-a" "651f7ed99d9c14fbc1c4bc43c7cf0fd9665e13308964bd5fb51b4ed978cf7e16"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "651f7ed99d9c14fbc1c4bc43c7cf0fd9665e13308964bd5fb51b4ed978cf7e16"`
[INFO] running `"docker" "rm" "-f" "651f7ed99d9c14fbc1c4bc43c7cf0fd9665e13308964bd5fb51b4ed978cf7e16"`
[INFO] [stdout] 651f7ed99d9c14fbc1c4bc43c7cf0fd9665e13308964bd5fb51b4ed978cf7e16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/frolmr/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] f4f66174e982e569f9036350ba5e61bc299b0b6c3c949c776d9146e1e20d24ae
[INFO] running `"docker" "start" "-a" "f4f66174e982e569f9036350ba5e61bc299b0b6c3c949c776d9146e1e20d24ae"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "f4f66174e982e569f9036350ba5e61bc299b0b6c3c949c776d9146e1e20d24ae"`
[INFO] running `"docker" "rm" "-f" "f4f66174e982e569f9036350ba5e61bc299b0b6c3c949c776d9146e1e20d24ae"`
[INFO] [stdout] f4f66174e982e569f9036350ba5e61bc299b0b6c3c949c776d9146e1e20d24ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/frolmr/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] 4b9c8d90965278c35c18946d578b77332956b69e507984b9c0b92f32ba5c394a
[INFO] running `"docker" "start" "-a" "4b9c8d90965278c35c18946d578b77332956b69e507984b9c0b92f32ba5c394a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-eb826299ddfef4e8
[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" "4b9c8d90965278c35c18946d578b77332956b69e507984b9c0b92f32ba5c394a"`
[INFO] running `"docker" "rm" "-f" "4b9c8d90965278c35c18946d578b77332956b69e507984b9c0b92f32ba5c394a"`
[INFO] [stdout] 4b9c8d90965278c35c18946d578b77332956b69e507984b9c0b92f32ba5c394a