[INFO] updating cached repository pengye91/rust_learning
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pengye91/rust_learning
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pengye91/rust_learning" "work/ex/beta-1.37-6/sources/1.36.0/gh/pengye91/rust_learning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pengye91/rust_learning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pengye91/rust_learning" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pengye91/rust_learning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pengye91/rust_learning'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0d3e1af9e62804b4ed6a605c054ee11c9568393
[INFO] sha for GitHub repo pengye91/rust_learning: a0d3e1af9e62804b4ed6a605c054ee11c9568393
[INFO] validating manifest of pengye91/rust_learning 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 pengye91/rust_learning 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 pengye91/rust_learning
[INFO] finished frobbing pengye91/rust_learning
[INFO] frobbed toml for pengye91/rust_learning written to work/ex/beta-1.37-6/sources/1.36.0/gh/pengye91/rust_learning/Cargo.toml
[INFO] started frobbing pengye91/rust_learning
[INFO] finished frobbing pengye91/rust_learning
[INFO] frobbed toml for pengye91/rust_learning written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pengye91/rust_learning/Cargo.toml
[INFO] crate pengye91/rust_learning 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/pengye91/rust_learning/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[INFO] the lockfile is outdated, regenerating it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 pengye91/rust_learning 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pengye91/rust_learning:/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] a8376fefbb7b7ebd63af5918bb33565c0df0423ab617a55ce8beeddff159a3a4
[INFO] running `"docker" "start" "-a" "a8376fefbb7b7ebd63af5918bb33565c0df0423ab617a55ce8beeddff159a3a4"`
[INFO] [stderr]    Compiling guessing_number v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "a8376fefbb7b7ebd63af5918bb33565c0df0423ab617a55ce8beeddff159a3a4"`
[INFO] running `"docker" "rm" "-f" "a8376fefbb7b7ebd63af5918bb33565c0df0423ab617a55ce8beeddff159a3a4"`
[INFO] [stdout] a8376fefbb7b7ebd63af5918bb33565c0df0423ab617a55ce8beeddff159a3a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pengye91/rust_learning:/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] e36b75551c5bc86c263635825acd8fe5eff247219869a35f7694ab10b4100510
[INFO] running `"docker" "start" "-a" "e36b75551c5bc86c263635825acd8fe5eff247219869a35f7694ab10b4100510"`
[INFO] [stderr]    Compiling guessing_number v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "e36b75551c5bc86c263635825acd8fe5eff247219869a35f7694ab10b4100510"`
[INFO] running `"docker" "rm" "-f" "e36b75551c5bc86c263635825acd8fe5eff247219869a35f7694ab10b4100510"`
[INFO] [stdout] e36b75551c5bc86c263635825acd8fe5eff247219869a35f7694ab10b4100510
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pengye91/rust_learning:/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] c31a09f2bf038d4cf5569d4fe4c3e5a952ed91a2ffa422336af8fccdc034b951
[INFO] running `"docker" "start" "-a" "c31a09f2bf038d4cf5569d4fe4c3e5a952ed91a2ffa422336af8fccdc034b951"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_number-5717028160d22cb9
[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" "c31a09f2bf038d4cf5569d4fe4c3e5a952ed91a2ffa422336af8fccdc034b951"`
[INFO] running `"docker" "rm" "-f" "c31a09f2bf038d4cf5569d4fe4c3e5a952ed91a2ffa422336af8fccdc034b951"`
[INFO] [stdout] c31a09f2bf038d4cf5569d4fe4c3e5a952ed91a2ffa422336af8fccdc034b951