[INFO] updating cached repository study-rust/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/study-rust/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/study-rust/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/study-rust/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/study-rust/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/study-rust/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/study-rust/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/study-rust/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9bf3073a9fc0391e16c045f7f5865f613878bfa6
[INFO] sha for GitHub repo study-rust/guessing_game: 9bf3073a9fc0391e16c045f7f5865f613878bfa6
[INFO] validating manifest of study-rust/guessing_game 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 study-rust/guessing_game 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 study-rust/guessing_game
[INFO] finished frobbing study-rust/guessing_game
[INFO] frobbed toml for study-rust/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/study-rust/guessing_game/Cargo.toml
[INFO] started frobbing study-rust/guessing_game
[INFO] finished frobbing study-rust/guessing_game
[INFO] frobbed toml for study-rust/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/study-rust/guessing_game/Cargo.toml
[INFO] crate study-rust/guessing_game 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing study-rust/guessing_game 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/study-rust/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a2c7285c37180d6ea5f4a0a04b7c38bbfb807cd87220cf6870091d499bce77c0
[INFO] running `"docker" "start" "-a" "a2c7285c37180d6ea5f4a0a04b7c38bbfb807cd87220cf6870091d499bce77c0"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "a2c7285c37180d6ea5f4a0a04b7c38bbfb807cd87220cf6870091d499bce77c0"`
[INFO] running `"docker" "rm" "-f" "a2c7285c37180d6ea5f4a0a04b7c38bbfb807cd87220cf6870091d499bce77c0"`
[INFO] [stdout] a2c7285c37180d6ea5f4a0a04b7c38bbfb807cd87220cf6870091d499bce77c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/study-rust/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec8c38c7f398061b0ad2ee46f5685429e8d9908cc25991c22545370ee754572a
[INFO] running `"docker" "start" "-a" "ec8c38c7f398061b0ad2ee46f5685429e8d9908cc25991c22545370ee754572a"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "ec8c38c7f398061b0ad2ee46f5685429e8d9908cc25991c22545370ee754572a"`
[INFO] running `"docker" "rm" "-f" "ec8c38c7f398061b0ad2ee46f5685429e8d9908cc25991c22545370ee754572a"`
[INFO] [stdout] ec8c38c7f398061b0ad2ee46f5685429e8d9908cc25991c22545370ee754572a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/study-rust/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d0b40098544db05acd839534f6356e39800fb9fc88924bd16853895ab38f62c3
[INFO] running `"docker" "start" "-a" "d0b40098544db05acd839534f6356e39800fb9fc88924bd16853895ab38f62c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-76b658648fe37c28
[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" "d0b40098544db05acd839534f6356e39800fb9fc88924bd16853895ab38f62c3"`
[INFO] running `"docker" "rm" "-f" "d0b40098544db05acd839534f6356e39800fb9fc88924bd16853895ab38f62c3"`
[INFO] [stdout] d0b40098544db05acd839534f6356e39800fb9fc88924bd16853895ab38f62c3