[INFO] updating cached repository floxo115/rust-interpreter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/floxo115/rust-interpreter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/floxo115/rust-interpreter" "work/ex/beta-1.37-6/sources/1.36.0/gh/floxo115/rust-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/floxo115/rust-interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/floxo115/rust-interpreter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/floxo115/rust-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/floxo115/rust-interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d70ae80cfaf3c72be740c587238fa67cf135e32
[INFO] sha for GitHub repo floxo115/rust-interpreter: 5d70ae80cfaf3c72be740c587238fa67cf135e32
[INFO] validating manifest of floxo115/rust-interpreter 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 floxo115/rust-interpreter 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 floxo115/rust-interpreter
[INFO] finished frobbing floxo115/rust-interpreter
[INFO] frobbed toml for floxo115/rust-interpreter written to work/ex/beta-1.37-6/sources/1.36.0/gh/floxo115/rust-interpreter/Cargo.toml
[INFO] started frobbing floxo115/rust-interpreter
[INFO] finished frobbing floxo115/rust-interpreter
[INFO] frobbed toml for floxo115/rust-interpreter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/floxo115/rust-interpreter/Cargo.toml
[INFO] crate floxo115/rust-interpreter 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 floxo115/rust-interpreter 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/floxo115/rust-interpreter:/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] 6a1acdeb1d90696fea604b629805fbbe5636df6631f9d03deda8f100d497667e
[INFO] running `"docker" "start" "-a" "6a1acdeb1d90696fea604b629805fbbe5636df6631f9d03deda8f100d497667e"`
[INFO] [stderr]    Compiling rust-mylang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokens::Token`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokens::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "6a1acdeb1d90696fea604b629805fbbe5636df6631f9d03deda8f100d497667e"`
[INFO] running `"docker" "rm" "-f" "6a1acdeb1d90696fea604b629805fbbe5636df6631f9d03deda8f100d497667e"`
[INFO] [stdout] 6a1acdeb1d90696fea604b629805fbbe5636df6631f9d03deda8f100d497667e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/floxo115/rust-interpreter:/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] e3b52b988b7054c552fb8124dc8adf0e81b421c4a36f990878e6b66f4a105dce
[INFO] running `"docker" "start" "-a" "e3b52b988b7054c552fb8124dc8adf0e81b421c4a36f990878e6b66f4a105dce"`
[INFO] [stderr]    Compiling rust-mylang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokens::Token`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokens::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "e3b52b988b7054c552fb8124dc8adf0e81b421c4a36f990878e6b66f4a105dce"`
[INFO] running `"docker" "rm" "-f" "e3b52b988b7054c552fb8124dc8adf0e81b421c4a36f990878e6b66f4a105dce"`
[INFO] [stdout] e3b52b988b7054c552fb8124dc8adf0e81b421c4a36f990878e6b66f4a105dce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/floxo115/rust-interpreter:/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] 0b2a0589034aebf8f351c979dee74c8c968d166893028c6f0b6f8170945b961c
[INFO] running `"docker" "start" "-a" "0b2a0589034aebf8f351c979dee74c8c968d166893028c6f0b6f8170945b961c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_mylang-9e3cb17353a840da
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lexer::test::new_lexer ... ok
[INFO] [stdout] test parser::test::next_token ... ok
[INFO] [stdout] test parser::test::parse_program ... ok
[INFO] [stdout] test lexer::test::next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0b2a0589034aebf8f351c979dee74c8c968d166893028c6f0b6f8170945b961c"`
[INFO] running `"docker" "rm" "-f" "0b2a0589034aebf8f351c979dee74c8c968d166893028c6f0b6f8170945b961c"`
[INFO] [stdout] 0b2a0589034aebf8f351c979dee74c8c968d166893028c6f0b6f8170945b961c