[INFO] updating cached repository jyooi/Learn_Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jyooi/Learn_Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jyooi/Learn_Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/jyooi/Learn_Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jyooi/Learn_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jyooi/Learn_Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jyooi/Learn_Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jyooi/Learn_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78534b68f8fa03e183ad8477e79902f3d1e3935a
[INFO] sha for GitHub repo jyooi/Learn_Rust: 78534b68f8fa03e183ad8477e79902f3d1e3935a
[INFO] validating manifest of jyooi/Learn_Rust 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 jyooi/Learn_Rust 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 jyooi/Learn_Rust
[INFO] finished frobbing jyooi/Learn_Rust
[INFO] frobbed toml for jyooi/Learn_Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/jyooi/Learn_Rust/Cargo.toml
[INFO] started frobbing jyooi/Learn_Rust
[INFO] finished frobbing jyooi/Learn_Rust
[INFO] frobbed toml for jyooi/Learn_Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jyooi/Learn_Rust/Cargo.toml
[INFO] crate jyooi/Learn_Rust 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 jyooi/Learn_Rust 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-2/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/jyooi/Learn_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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e9a718e3e8f4a07edef5f1987b9a62d7a5d273663de4b909637d610402d28aed
[INFO] running `"docker" "start" "-a" "e9a718e3e8f4a07edef5f1987b9a62d7a5d273663de4b909637d610402d28aed"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "e9a718e3e8f4a07edef5f1987b9a62d7a5d273663de4b909637d610402d28aed"`
[INFO] running `"docker" "rm" "-f" "e9a718e3e8f4a07edef5f1987b9a62d7a5d273663de4b909637d610402d28aed"`
[INFO] [stdout] e9a718e3e8f4a07edef5f1987b9a62d7a5d273663de4b909637d610402d28aed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/jyooi/Learn_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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7d79f7679a34f782a8110bdd8a64d0b7f5ee1c6f3e4843752915e856c36181e0
[INFO] running `"docker" "start" "-a" "7d79f7679a34f782a8110bdd8a64d0b7f5ee1c6f3e4843752915e856c36181e0"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "7d79f7679a34f782a8110bdd8a64d0b7f5ee1c6f3e4843752915e856c36181e0"`
[INFO] running `"docker" "rm" "-f" "7d79f7679a34f782a8110bdd8a64d0b7f5ee1c6f3e4843752915e856c36181e0"`
[INFO] [stdout] 7d79f7679a34f782a8110bdd8a64d0b7f5ee1c6f3e4843752915e856c36181e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/jyooi/Learn_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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] bd6070ea59303c19d38e0381e07fdd60937ade029dc1b7f60aa485bbc6848a4a
[INFO] running `"docker" "start" "-a" "bd6070ea59303c19d38e0381e07fdd60937ade029dc1b7f60aa485bbc6848a4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-bba13cd2c9354a03
[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" "bd6070ea59303c19d38e0381e07fdd60937ade029dc1b7f60aa485bbc6848a4a"`
[INFO] running `"docker" "rm" "-f" "bd6070ea59303c19d38e0381e07fdd60937ade029dc1b7f60aa485bbc6848a4a"`
[INFO] [stdout] bd6070ea59303c19d38e0381e07fdd60937ade029dc1b7f60aa485bbc6848a4a