[INFO] updating cached repository pyk/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pyk/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pyk/rust-guessing-game" "work/ex/beta-1.37-6/sources/1.36.0/gh/pyk/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pyk/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pyk/rust-guessing-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pyk/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pyk/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dff0d7ed5055637a6f5fd8c44ed262016bf6de05
[INFO] sha for GitHub repo pyk/rust-guessing-game: dff0d7ed5055637a6f5fd8c44ed262016bf6de05
[INFO] validating manifest of pyk/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 pyk/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 pyk/rust-guessing-game
[INFO] finished frobbing pyk/rust-guessing-game
[INFO] frobbed toml for pyk/rust-guessing-game written to work/ex/beta-1.37-6/sources/1.36.0/gh/pyk/rust-guessing-game/Cargo.toml
[INFO] started frobbing pyk/rust-guessing-game
[INFO] finished frobbing pyk/rust-guessing-game
[INFO] frobbed toml for pyk/rust-guessing-game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pyk/rust-guessing-game/Cargo.toml
[INFO] crate pyk/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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pyk/rust-guessing-game/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 pyk/rust-guessing-game against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pyk/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 185c4bd986a05c84bd50cdb211aa16947cf263fa7ada3a8a0ac912adab8b95a1
[INFO] running `"docker" "start" "-a" "185c4bd986a05c84bd50cdb211aa16947cf263fa7ada3a8a0ac912adab8b95a1"`
[INFO] [stderr]    Compiling rust-guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "185c4bd986a05c84bd50cdb211aa16947cf263fa7ada3a8a0ac912adab8b95a1"`
[INFO] running `"docker" "rm" "-f" "185c4bd986a05c84bd50cdb211aa16947cf263fa7ada3a8a0ac912adab8b95a1"`
[INFO] [stdout] 185c4bd986a05c84bd50cdb211aa16947cf263fa7ada3a8a0ac912adab8b95a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pyk/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 56f68840ea3241204db6359fc9f2d0d0f8819d074f27848223a063e3946b1f23
[INFO] running `"docker" "start" "-a" "56f68840ea3241204db6359fc9f2d0d0f8819d074f27848223a063e3946b1f23"`
[INFO] [stderr]    Compiling rust-guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "56f68840ea3241204db6359fc9f2d0d0f8819d074f27848223a063e3946b1f23"`
[INFO] running `"docker" "rm" "-f" "56f68840ea3241204db6359fc9f2d0d0f8819d074f27848223a063e3946b1f23"`
[INFO] [stdout] 56f68840ea3241204db6359fc9f2d0d0f8819d074f27848223a063e3946b1f23
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pyk/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1e7e359b4b54d65f7c420c8634d3e2922dee95ae9e1cf02ef78e028236f1080a
[INFO] running `"docker" "start" "-a" "1e7e359b4b54d65f7c420c8634d3e2922dee95ae9e1cf02ef78e028236f1080a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[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] [stderr]      Running /opt/crater/target/debug/deps/rust_guessing_game-51236c4dcc7d343f
[INFO] running `"docker" "inspect" "1e7e359b4b54d65f7c420c8634d3e2922dee95ae9e1cf02ef78e028236f1080a"`
[INFO] running `"docker" "rm" "-f" "1e7e359b4b54d65f7c420c8634d3e2922dee95ae9e1cf02ef78e028236f1080a"`
[INFO] [stdout] 1e7e359b4b54d65f7c420c8634d3e2922dee95ae9e1cf02ef78e028236f1080a