[INFO] updating cached repository AtomicMegaNerd/learning_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AtomicMegaNerd/learning_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AtomicMegaNerd/learning_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/AtomicMegaNerd/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AtomicMegaNerd/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AtomicMegaNerd/learning_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AtomicMegaNerd/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AtomicMegaNerd/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d273a33409bbaf55a0995a94fe86968009715868
[INFO] sha for GitHub repo AtomicMegaNerd/learning_rust: d273a33409bbaf55a0995a94fe86968009715868
[INFO] validating manifest of AtomicMegaNerd/learning_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 AtomicMegaNerd/learning_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 AtomicMegaNerd/learning_rust
[INFO] finished frobbing AtomicMegaNerd/learning_rust
[INFO] frobbed toml for AtomicMegaNerd/learning_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/AtomicMegaNerd/learning_rust/Cargo.toml
[INFO] started frobbing AtomicMegaNerd/learning_rust
[INFO] finished frobbing AtomicMegaNerd/learning_rust
[INFO] frobbed toml for AtomicMegaNerd/learning_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AtomicMegaNerd/learning_rust/Cargo.toml
[INFO] crate AtomicMegaNerd/learning_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 AtomicMegaNerd/learning_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/AtomicMegaNerd/learning_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] 01f0a72a81949dd37dfcbbd8f595fd0572adae2e268cf07a01ad0d701d85d3a0
[INFO] running `"docker" "start" "-a" "01f0a72a81949dd37dfcbbd8f595fd0572adae2e268cf07a01ad0d701d85d3a0"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]  --> src/control_flows.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |         19...21 => "L",
[INFO] [stderr]   |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "01f0a72a81949dd37dfcbbd8f595fd0572adae2e268cf07a01ad0d701d85d3a0"`
[INFO] running `"docker" "rm" "-f" "01f0a72a81949dd37dfcbbd8f595fd0572adae2e268cf07a01ad0d701d85d3a0"`
[INFO] [stdout] 01f0a72a81949dd37dfcbbd8f595fd0572adae2e268cf07a01ad0d701d85d3a0
[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/AtomicMegaNerd/learning_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] 0ffb72c1f2ccee064e494d74c6d165f3c86aec69f1631c9c6da423ce1d53d980
[INFO] running `"docker" "start" "-a" "0ffb72c1f2ccee064e494d74c6d165f3c86aec69f1631c9c6da423ce1d53d980"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]  --> src/control_flows.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |         19...21 => "L",
[INFO] [stderr]   |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "0ffb72c1f2ccee064e494d74c6d165f3c86aec69f1631c9c6da423ce1d53d980"`
[INFO] running `"docker" "rm" "-f" "0ffb72c1f2ccee064e494d74c6d165f3c86aec69f1631c9c6da423ce1d53d980"`
[INFO] [stdout] 0ffb72c1f2ccee064e494d74c6d165f3c86aec69f1631c9c6da423ce1d53d980
[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/AtomicMegaNerd/learning_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] f2edcc6419c07192ab7882d8efd77a92350d0776d85ba3c406404bff47eb0aa3
[INFO] running `"docker" "start" "-a" "f2edcc6419c07192ab7882d8efd77a92350d0776d85ba3c406404bff47eb0aa3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-2c51c21a758dc022
[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" "f2edcc6419c07192ab7882d8efd77a92350d0776d85ba3c406404bff47eb0aa3"`
[INFO] running `"docker" "rm" "-f" "f2edcc6419c07192ab7882d8efd77a92350d0776d85ba3c406404bff47eb0aa3"`
[INFO] [stdout] f2edcc6419c07192ab7882d8efd77a92350d0776d85ba3c406404bff47eb0aa3