[INFO] updating cached repository iLGunners/Ackermann-Function-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iLGunners/Ackermann-Function-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iLGunners/Ackermann-Function-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/iLGunners/Ackermann-Function-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iLGunners/Ackermann-Function-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iLGunners/Ackermann-Function-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iLGunners/Ackermann-Function-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iLGunners/Ackermann-Function-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 687d274cad3ce5255b8b3fe07571f17130a375ed
[INFO] sha for GitHub repo iLGunners/Ackermann-Function-Rust: 687d274cad3ce5255b8b3fe07571f17130a375ed
[INFO] validating manifest of iLGunners/Ackermann-Function-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 iLGunners/Ackermann-Function-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 iLGunners/Ackermann-Function-Rust
[INFO] finished frobbing iLGunners/Ackermann-Function-Rust
[INFO] frobbed toml for iLGunners/Ackermann-Function-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/iLGunners/Ackermann-Function-Rust/Cargo.toml
[INFO] started frobbing iLGunners/Ackermann-Function-Rust
[INFO] finished frobbing iLGunners/Ackermann-Function-Rust
[INFO] frobbed toml for iLGunners/Ackermann-Function-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iLGunners/Ackermann-Function-Rust/Cargo.toml
[INFO] crate iLGunners/Ackermann-Function-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 iLGunners/Ackermann-Function-Rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iLGunners/Ackermann-Function-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0ba4638f9775d762fb8c688c06f8b10a0de85aeaa71c6ba4afea5a9aabd8f81c
[INFO] running `"docker" "start" "-a" "0ba4638f9775d762fb8c688c06f8b10a0de85aeaa71c6ba4afea5a9aabd8f81c"`
[INFO] [stderr]    Compiling ackermann-function-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "0ba4638f9775d762fb8c688c06f8b10a0de85aeaa71c6ba4afea5a9aabd8f81c"`
[INFO] running `"docker" "rm" "-f" "0ba4638f9775d762fb8c688c06f8b10a0de85aeaa71c6ba4afea5a9aabd8f81c"`
[INFO] [stdout] 0ba4638f9775d762fb8c688c06f8b10a0de85aeaa71c6ba4afea5a9aabd8f81c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iLGunners/Ackermann-Function-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c09fd22e8f0426ef58b8527a6a57253e7d51dbd8cde0c82a6ede00d9e0db7bcf
[INFO] running `"docker" "start" "-a" "c09fd22e8f0426ef58b8527a6a57253e7d51dbd8cde0c82a6ede00d9e0db7bcf"`
[INFO] [stderr]    Compiling ackermann-function-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "c09fd22e8f0426ef58b8527a6a57253e7d51dbd8cde0c82a6ede00d9e0db7bcf"`
[INFO] running `"docker" "rm" "-f" "c09fd22e8f0426ef58b8527a6a57253e7d51dbd8cde0c82a6ede00d9e0db7bcf"`
[INFO] [stdout] c09fd22e8f0426ef58b8527a6a57253e7d51dbd8cde0c82a6ede00d9e0db7bcf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iLGunners/Ackermann-Function-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] cfd3e34080df58e0bcf522141f733634e4526a69fde6be5e43fbd5d415c030fe
[INFO] running `"docker" "start" "-a" "cfd3e34080df58e0bcf522141f733634e4526a69fde6be5e43fbd5d415c030fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ackermann_function_rust-e4664ddfb8c23d27
[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" "cfd3e34080df58e0bcf522141f733634e4526a69fde6be5e43fbd5d415c030fe"`
[INFO] running `"docker" "rm" "-f" "cfd3e34080df58e0bcf522141f733634e4526a69fde6be5e43fbd5d415c030fe"`
[INFO] [stdout] cfd3e34080df58e0bcf522141f733634e4526a69fde6be5e43fbd5d415c030fe