[INFO] updating cached repository ogata-k/monkey-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ogata-k/monkey-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ogata-k/monkey-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/ogata-k/monkey-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ogata-k/monkey-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ogata-k/monkey-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/monkey-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/monkey-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 498032ecb179f2079756f777f6cbaff821d74de0 [INFO] sha for GitHub repo ogata-k/monkey-rs: 498032ecb179f2079756f777f6cbaff821d74de0 [INFO] validating manifest of ogata-k/monkey-rs 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 ogata-k/monkey-rs 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 ogata-k/monkey-rs [INFO] finished frobbing ogata-k/monkey-rs [INFO] frobbed toml for ogata-k/monkey-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/ogata-k/monkey-rs/Cargo.toml [INFO] started frobbing ogata-k/monkey-rs [INFO] finished frobbing ogata-k/monkey-rs [INFO] frobbed toml for ogata-k/monkey-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/monkey-rs/Cargo.toml [INFO] crate ogata-k/monkey-rs 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 ogata-k/monkey-rs against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/monkey-rs:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 96cbbc5ffb8bd5e3a7ade3195a379ac862ad2afd6c104b7268a711b2aa11f397 [INFO] running `"docker" "start" "-a" "96cbbc5ffb8bd5e3a7ade3195a379ac862ad2afd6c104b7268a711b2aa11f397"` [INFO] [stderr] Compiling monkey-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: irrefutable while-let pattern [INFO] [stderr] --> src/repl.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | / while let tok = lexer.next_token() { [INFO] [stderr] 35 | | if tok.token_type_is(TokenType::EOF) { [INFO] [stderr] 36 | | break; [INFO] [stderr] 37 | | } [INFO] [stderr] ... | [INFO] [stderr] 41 | | write!(w, "{:?}\n", tok).unwrap(); [INFO] [stderr] 42 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tok` is never read [INFO] [stderr] --> src/lexer.rs:109:17 [INFO] [stderr] | [INFO] [stderr] 109 | let mut tok: Option = None; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_token_is_prefix` [INFO] [stderr] --> src/parser.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | fn peek_token_is_prefix(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_prefix_precedence` [INFO] [stderr] --> src/parser.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | fn peek_prefix_precedence(&self) -> Opt { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.79s [INFO] running `"docker" "inspect" "96cbbc5ffb8bd5e3a7ade3195a379ac862ad2afd6c104b7268a711b2aa11f397"` [INFO] running `"docker" "rm" "-f" "96cbbc5ffb8bd5e3a7ade3195a379ac862ad2afd6c104b7268a711b2aa11f397"` [INFO] [stdout] 96cbbc5ffb8bd5e3a7ade3195a379ac862ad2afd6c104b7268a711b2aa11f397 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/monkey-rs:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 29174039cc599094e48a239fb7ebe8ae5fab88f1c06fc66d5c9b9931f565be68 [INFO] running `"docker" "start" "-a" "29174039cc599094e48a239fb7ebe8ae5fab88f1c06fc66d5c9b9931f565be68"` [INFO] [stderr] Compiling monkey-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: irrefutable while-let pattern [INFO] [stderr] --> src/repl.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | / while let tok = lexer.next_token() { [INFO] [stderr] 35 | | if tok.token_type_is(TokenType::EOF) { [INFO] [stderr] 36 | | break; [INFO] [stderr] 37 | | } [INFO] [stderr] ... | [INFO] [stderr] 41 | | write!(w, "{:?}\n", tok).unwrap(); [INFO] [stderr] 42 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tok` is never read [INFO] [stderr] --> src/lexer.rs:109:17 [INFO] [stderr] | [INFO] [stderr] 109 | let mut tok: Option = None; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_token_is_prefix` [INFO] [stderr] --> src/parser.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | fn peek_token_is_prefix(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_prefix_precedence` [INFO] [stderr] --> src/parser.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | fn peek_prefix_precedence(&self) -> Opt { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.85s [INFO] running `"docker" "inspect" "29174039cc599094e48a239fb7ebe8ae5fab88f1c06fc66d5c9b9931f565be68"` [INFO] running `"docker" "rm" "-f" "29174039cc599094e48a239fb7ebe8ae5fab88f1c06fc66d5c9b9931f565be68"` [INFO] [stdout] 29174039cc599094e48a239fb7ebe8ae5fab88f1c06fc66d5c9b9931f565be68 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/monkey-rs:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 9754b1aa428d6c2030585a776169fe752b2a0af980e3d51f05c9b823887ac26a [INFO] running `"docker" "start" "-a" "9754b1aa428d6c2030585a776169fe752b2a0af980e3d51f05c9b823887ac26a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/monkey_rs-11efcb1c96ce108f [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test parser::test::test_if_expression ... ok [INFO] [stdout] test parser::test::test_if_else_expression ... ok [INFO] [stdout] test parser::test::test_identifier_expression ... ok [INFO] [stdout] test parser::test::test_call_expression ... ok [INFO] [stdout] test ast::test::test_to_string ... ok [INFO] [stdout] test parser::test::test_let_statements ... ok [INFO] [stdout] test parser::test::test_function_literal ... ok [INFO] [stdout] test parser::test::test_boolean_literal_expression ... ok [INFO] [stdout] test parser::test::test_operator_precedences ... ok [INFO] [stdout] test parser::test::test_prefix_expressions ... ok [INFO] [stdout] test parser::test::test_return_statements ... ok [INFO] [stdout] test token::test::test_next_token ... ok [INFO] [stdout] test parser::test::test_infix_expressions ... ok [INFO] [stdout] test parser::test::test_integer_literal_expression ... ok [INFO] [stdout] test token::test::test_no_line ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/monkey_rs-3cb362919e90dcaa [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests monkey-rs [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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" "9754b1aa428d6c2030585a776169fe752b2a0af980e3d51f05c9b823887ac26a"` [INFO] running `"docker" "rm" "-f" "9754b1aa428d6c2030585a776169fe752b2a0af980e3d51f05c9b823887ac26a"` [INFO] [stdout] 9754b1aa428d6c2030585a776169fe752b2a0af980e3d51f05c9b823887ac26a