[INFO] updating cached repository homsterius/rust-craftinginterpreters
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/homsterius/rust-craftinginterpreters
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/homsterius/rust-craftinginterpreters" "work/ex/beta-1.37-6/sources/1.36.0/gh/homsterius/rust-craftinginterpreters"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/homsterius/rust-craftinginterpreters'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/homsterius/rust-craftinginterpreters" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/homsterius/rust-craftinginterpreters"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/homsterius/rust-craftinginterpreters'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a5bf598927ffdee06624feefb95adc9035890f3
[INFO] sha for GitHub repo homsterius/rust-craftinginterpreters: 1a5bf598927ffdee06624feefb95adc9035890f3
[INFO] validating manifest of homsterius/rust-craftinginterpreters 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 homsterius/rust-craftinginterpreters 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 homsterius/rust-craftinginterpreters
[INFO] finished frobbing homsterius/rust-craftinginterpreters
[INFO] frobbed toml for homsterius/rust-craftinginterpreters written to work/ex/beta-1.37-6/sources/1.36.0/gh/homsterius/rust-craftinginterpreters/Cargo.toml
[INFO] started frobbing homsterius/rust-craftinginterpreters
[INFO] finished frobbing homsterius/rust-craftinginterpreters
[INFO] frobbed toml for homsterius/rust-craftinginterpreters written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/homsterius/rust-craftinginterpreters/Cargo.toml
[INFO] crate homsterius/rust-craftinginterpreters 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing homsterius/rust-craftinginterpreters 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/homsterius/rust-craftinginterpreters:/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] 34f15e64748d3f63db4d6de49faa63cb12ad31377996024afb94a165fdeeedf8
[INFO] running `"docker" "start" "-a" "34f15e64748d3f63db4d6de49faa63cb12ad31377996024afb94a165fdeeedf8"`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `Keywords` should have an upper case name
[INFO] [stderr]  --> src/lox/scanner.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     static ref Keywords: HashMap<&'static str, TokenType> = {
[INFO] [stderr]   |                ^^^^^^^^ help: convert the identifier to upper case: `KEYWORDS`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "34f15e64748d3f63db4d6de49faa63cb12ad31377996024afb94a165fdeeedf8"`
[INFO] running `"docker" "rm" "-f" "34f15e64748d3f63db4d6de49faa63cb12ad31377996024afb94a165fdeeedf8"`
[INFO] [stdout] 34f15e64748d3f63db4d6de49faa63cb12ad31377996024afb94a165fdeeedf8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/homsterius/rust-craftinginterpreters:/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] 9bf458a2b20ca9be1787b6ac67ced2bc81521875593e2643fc6e48547aa32034
[INFO] running `"docker" "start" "-a" "9bf458a2b20ca9be1787b6ac67ced2bc81521875593e2643fc6e48547aa32034"`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `Keywords` should have an upper case name
[INFO] [stderr]  --> src/lox/scanner.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     static ref Keywords: HashMap<&'static str, TokenType> = {
[INFO] [stderr]   |                ^^^^^^^^ help: convert the identifier to upper case: `KEYWORDS`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "9bf458a2b20ca9be1787b6ac67ced2bc81521875593e2643fc6e48547aa32034"`
[INFO] running `"docker" "rm" "-f" "9bf458a2b20ca9be1787b6ac67ced2bc81521875593e2643fc6e48547aa32034"`
[INFO] [stdout] 9bf458a2b20ca9be1787b6ac67ced2bc81521875593e2643fc6e48547aa32034
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/homsterius/rust-craftinginterpreters:/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] 6fd7c2e565c0a1cafa19529108cb6de8c07cbf0e5fef0a5446cd87761e96e9c0
[INFO] running `"docker" "start" "-a" "6fd7c2e565c0a1cafa19529108cb6de8c07cbf0e5fef0a5446cd87761e96e9c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lox-b265416a1ccb02bc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::ast_printer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lox-1c97ebb3b0258094
[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]    Doc-tests lox
[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" "6fd7c2e565c0a1cafa19529108cb6de8c07cbf0e5fef0a5446cd87761e96e9c0"`
[INFO] running `"docker" "rm" "-f" "6fd7c2e565c0a1cafa19529108cb6de8c07cbf0e5fef0a5446cd87761e96e9c0"`
[INFO] [stdout] 6fd7c2e565c0a1cafa19529108cb6de8c07cbf0e5fef0a5446cd87761e96e9c0