[INFO] updating cached repository cultofmetatron/r_monkey [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cultofmetatron/r_monkey [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cultofmetatron/r_monkey" "work/ex/beta-1.38-1/sources/1.37.0/gh/cultofmetatron/r_monkey"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cultofmetatron/r_monkey'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cultofmetatron/r_monkey" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cultofmetatron/r_monkey"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cultofmetatron/r_monkey'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ddf5036a36cc4315bb88914e2b7e59dcb32d6f5e [INFO] sha for GitHub repo cultofmetatron/r_monkey: ddf5036a36cc4315bb88914e2b7e59dcb32d6f5e [INFO] validating manifest of cultofmetatron/r_monkey 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 cultofmetatron/r_monkey 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 cultofmetatron/r_monkey [INFO] finished frobbing cultofmetatron/r_monkey [INFO] frobbed toml for cultofmetatron/r_monkey written to work/ex/beta-1.38-1/sources/1.37.0/gh/cultofmetatron/r_monkey/Cargo.toml [INFO] started frobbing cultofmetatron/r_monkey [INFO] finished frobbing cultofmetatron/r_monkey [INFO] frobbed toml for cultofmetatron/r_monkey written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cultofmetatron/r_monkey/Cargo.toml [INFO] crate cultofmetatron/r_monkey 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 cultofmetatron/r_monkey 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cultofmetatron/r_monkey:/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] 6c2b79488fe08f05ff8cb860823106ec66513e7f11f2ce609d25e75bcbb73d99 [INFO] running `"docker" "start" "-a" "6c2b79488fe08f05ff8cb860823106ec66513e7f11f2ce609d25e75bcbb73d99"` [INFO] [stderr] Compiling r_monkey v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/lexer.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `skip` [INFO] [stderr] --> src/lexer.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | let mut skip : bool = false; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_skip` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/lexer.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | let mut index : usize = 0; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lexer.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let mut skip : bool = false; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lexer.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut index : usize = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Asterix` [INFO] [stderr] --> src/lexer.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | Asterix, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_complex_modifier` [INFO] [stderr] --> src/lexer.rs:144:3 [INFO] [stderr] | [INFO] [stderr] 144 | fn is_complex_modifier(ch1: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `NextChar` [INFO] [stderr] --> src/lexer.rs:154:3 [INFO] [stderr] | [INFO] [stderr] 154 | enum NextChar { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `peek_ahead` [INFO] [stderr] --> src/lexer.rs:159:3 [INFO] [stderr] | [INFO] [stderr] 159 | fn peek_ahead(index: usize, aStr: &Vec) -> NextChar { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `charTerator` should have a snake case name [INFO] [stderr] --> src/lexer.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut charTerator = input.chars().peekable(); [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `char_terator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `aStr` should have a snake case name [INFO] [stderr] --> src/lexer.rs:159:31 [INFO] [stderr] | [INFO] [stderr] 159 | fn peek_ahead(index: usize, aStr: &Vec) -> NextChar { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `a_str` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "6c2b79488fe08f05ff8cb860823106ec66513e7f11f2ce609d25e75bcbb73d99"` [INFO] running `"docker" "rm" "-f" "6c2b79488fe08f05ff8cb860823106ec66513e7f11f2ce609d25e75bcbb73d99"` [INFO] [stdout] 6c2b79488fe08f05ff8cb860823106ec66513e7f11f2ce609d25e75bcbb73d99 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cultofmetatron/r_monkey:/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] 4d64a837feabbecf09febe28e4e9dbfae4cdbddbd1fbce46c7a62ddd81dbf7ab [INFO] running `"docker" "start" "-a" "4d64a837feabbecf09febe28e4e9dbfae4cdbddbd1fbce46c7a62ddd81dbf7ab"` [INFO] [stderr] Compiling r_monkey v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/lexer.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `skip` [INFO] [stderr] --> src/lexer.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | let mut skip : bool = false; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_skip` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/lexer.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | let mut index : usize = 0; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lexer.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let mut skip : bool = false; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lexer.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut index : usize = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Asterix` [INFO] [stderr] --> src/lexer.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | Asterix, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_complex_modifier` [INFO] [stderr] --> src/lexer.rs:144:3 [INFO] [stderr] | [INFO] [stderr] 144 | fn is_complex_modifier(ch1: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `NextChar` [INFO] [stderr] --> src/lexer.rs:154:3 [INFO] [stderr] | [INFO] [stderr] 154 | enum NextChar { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `peek_ahead` [INFO] [stderr] --> src/lexer.rs:159:3 [INFO] [stderr] | [INFO] [stderr] 159 | fn peek_ahead(index: usize, aStr: &Vec) -> NextChar { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `charTerator` should have a snake case name [INFO] [stderr] --> src/lexer.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut charTerator = input.chars().peekable(); [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `char_terator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `aStr` should have a snake case name [INFO] [stderr] --> src/lexer.rs:159:31 [INFO] [stderr] | [INFO] [stderr] 159 | fn peek_ahead(index: usize, aStr: &Vec) -> NextChar { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `a_str` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "4d64a837feabbecf09febe28e4e9dbfae4cdbddbd1fbce46c7a62ddd81dbf7ab"` [INFO] running `"docker" "rm" "-f" "4d64a837feabbecf09febe28e4e9dbfae4cdbddbd1fbce46c7a62ddd81dbf7ab"` [INFO] [stdout] 4d64a837feabbecf09febe28e4e9dbfae4cdbddbd1fbce46c7a62ddd81dbf7ab [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cultofmetatron/r_monkey:/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] 78447d16d3a47288a41650e84abc80e39aafbe2c3d21732c87d7a19cc9b66649 [INFO] running `"docker" "start" "-a" "78447d16d3a47288a41650e84abc80e39aafbe2c3d21732c87d7a19cc9b66649"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/r_monkey-95f83b4bf7c3854d [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lexer::test_special_tokens ... ok [INFO] [stdout] test lexer::test_next_token_with_basic_stuff ... ok [INFO] [stdout] test lexer::test_for_keywords ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "78447d16d3a47288a41650e84abc80e39aafbe2c3d21732c87d7a19cc9b66649"` [INFO] running `"docker" "rm" "-f" "78447d16d3a47288a41650e84abc80e39aafbe2c3d21732c87d7a19cc9b66649"` [INFO] [stdout] 78447d16d3a47288a41650e84abc80e39aafbe2c3d21732c87d7a19cc9b66649