[INFO] updating cached repository https://github.com/JoshMcguigan/monkey [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6615e9295df17109f3eb9e7cff436cbdcf14d6ac [INFO] testing JoshMcguigan/monkey against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fmonkey" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JoshMcguigan/monkey on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/JoshMcguigan/monkey [INFO] finished tweaking git repo https://github.com/JoshMcguigan/monkey [INFO] tweaked toml for git repo https://github.com/JoshMcguigan/monkey written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/JoshMcguigan/monkey already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 40a6e2f19f624095998934622c2b876ed51ca12d0ca025c94b10ef10bc3a4fb5 [INFO] running `"docker" "start" "-a" "40a6e2f19f624095998934622c2b876ed51ca12d0ca025c94b10ef10bc3a4fb5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling beef v0.4.2 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling rustyline v6.1.0 [INFO] [stderr] Compiling logos-derive v0.11.0-rc5 [INFO] [stderr] Compiling logos v0.11.0-rc5 [INFO] [stderr] Compiling monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: enum is never used: `OpCode` [INFO] [stderr] --> src/code/mod.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | pub enum OpCode { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `convert_u16_to_two_u8s_be` [INFO] [stderr] --> src/code/mod.rs:21:4 [INFO] [stderr] | [INFO] [stderr] 21 | fn convert_u16_to_two_u8s_be(integer: u16) -> [u8; 2] { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `convert_two_u8s_be_to_usize` [INFO] [stderr] --> src/code/mod.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn convert_two_u8s_be_to_usize(int1: u8, int2: u8) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_three_byte_op` [INFO] [stderr] --> src/code/mod.rs:29:4 [INFO] [stderr] | [INFO] [stderr] 29 | fn make_three_byte_op(code: u8, data: u16) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_op` [INFO] [stderr] --> src/code/mod.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn make_op(op: OpCode) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `SymbolName` [INFO] [stderr] --> src/compiler/symbol_table.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | type SymbolName = String; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `SymbolIndex` [INFO] [stderr] --> src/compiler/symbol_table.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | type SymbolIndex = u16; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SymbolTable` [INFO] [stderr] --> src/compiler/symbol_table.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct SymbolTable { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/compiler/symbol_table.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `define` [INFO] [stderr] --> src/compiler/symbol_table.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn define(&mut self, name: SymbolName) -> SymbolIndex { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `resolve` [INFO] [stderr] --> src/compiler/symbol_table.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn resolve(&self, name: &SymbolName) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/compiler/mod.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fn new() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Compiler` [INFO] [stderr] --> src/compiler/mod.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | struct Compiler { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `compile_from_source` [INFO] [stderr] --> src/compiler/mod.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | fn compile_from_source(input: &str) -> ByteCode { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_constant` [INFO] [stderr] --> src/compiler/mod.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | fn add_constant(&mut self, obj: Object) -> u16 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_instruction` [INFO] [stderr] --> src/compiler/mod.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | fn add_instruction(&mut self, op_code: OpCode) -> u16 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `change_op` [INFO] [stderr] --> src/compiler/mod.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | fn change_op(&mut self, position: usize, op_code: OpCode) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `compile_expression` [INFO] [stderr] --> src/compiler/mod.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | fn compile_expression(&mut self, expr: Expr) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `last_instruction_is_pop` [INFO] [stderr] --> src/compiler/mod.rs:149:5 [INFO] [stderr] | [INFO] [stderr] 149 | fn last_instruction_is_pop(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove_last_pop` [INFO] [stderr] --> src/compiler/mod.rs:153:5 [INFO] [stderr] | [INFO] [stderr] 153 | fn remove_last_pop(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `compile_statements` [INFO] [stderr] --> src/compiler/mod.rs:157:5 [INFO] [stderr] | [INFO] [stderr] 157 | fn compile_statements(&mut self, ast: Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compile_from_source` [INFO] [stderr] --> src/compiler/mod.rs:178:8 [INFO] [stderr] | [INFO] [stderr] 178 | pub fn compile_from_source(input: &str) -> ByteCode { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `STACK_SIZE` [INFO] [stderr] --> src/vm/mod.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | const STACK_SIZE : usize = 2048; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `GLOBAL_SIZE` [INFO] [stderr] --> src/vm/mod.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | const GLOBAL_SIZE : usize = 2048; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `VM` [INFO] [stderr] --> src/vm/mod.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | struct VM { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/vm/mod.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn new(byte_code: ByteCode) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/vm/mod.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | fn run(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push` [INFO] [stderr] --> src/vm/mod.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | fn push(&mut self, obj: Object) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop` [INFO] [stderr] --> src/vm/mod.rs:169:5 [INFO] [stderr] | [INFO] [stderr] 169 | fn pop(&mut self) -> Object { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `last_popped` [INFO] [stderr] --> src/vm/mod.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | fn last_popped(&self) -> &Object { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 30 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.22s [INFO] running `"docker" "inspect" "40a6e2f19f624095998934622c2b876ed51ca12d0ca025c94b10ef10bc3a4fb5"` [INFO] running `"docker" "rm" "-f" "40a6e2f19f624095998934622c2b876ed51ca12d0ca025c94b10ef10bc3a4fb5"` [INFO] [stdout] 40a6e2f19f624095998934622c2b876ed51ca12d0ca025c94b10ef10bc3a4fb5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b4b2fb57c345adfe2b376752e29a309bde70ac372ca38f1b6632e58517692d0b [INFO] running `"docker" "start" "-a" "b4b2fb57c345adfe2b376752e29a309bde70ac372ca38f1b6632e58517692d0b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.64s [INFO] running `"docker" "inspect" "b4b2fb57c345adfe2b376752e29a309bde70ac372ca38f1b6632e58517692d0b"` [INFO] running `"docker" "rm" "-f" "b4b2fb57c345adfe2b376752e29a309bde70ac372ca38f1b6632e58517692d0b"` [INFO] [stdout] b4b2fb57c345adfe2b376752e29a309bde70ac372ca38f1b6632e58517692d0b [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 06e9b761d96804c2326fd4e0319d1562a69468fab7637dda8df4f01812834773 [INFO] running `"docker" "start" "-a" "06e9b761d96804c2326fd4e0319d1562a69468fab7637dda8df4f01812834773"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/monkey-823d18754b1c1d75 [INFO] [stdout] [INFO] [stdout] running 59 tests [INFO] [stdout] test code::tests::make_op_add ... ok [INFO] [stdout] test code::tests::make_op_constant ... ok [INFO] [stdout] test code::tests::make_op_pop ... ok [INFO] [stdout] test compiler::tests::compile_if ... ok [INFO] [stdout] test compiler::tests::compile_let_get ... ok [INFO] [stdout] test compiler::tests::compile_if_else ... ok [INFO] [stdout] test compiler::tests::compile_let_multiple_var ... ok [INFO] [stdout] test compiler::tests::compile_let_single_var ... ok [INFO] [stdout] test compiler::tests::compile_infix ... ok [INFO] [stdout] test eval::tests::eval_bool ... ok [INFO] [stdout] test eval::tests::eval_builtin_len ... ok [INFO] [stdout] test eval::tests::eval_bang ... ok [INFO] [stdout] test eval::tests::eval_int_literal ... ok [INFO] [stdout] test compiler::tests::compile_if_else_extra_statement ... ok [INFO] [stdout] test eval::tests::eval_binding ... ok [INFO] [stdout] test lexer::tests::lex_equal_not_equal ... ok [INFO] [stdout] test lexer::tests::lex_additional_keywords ... ok [INFO] [stdout] test lexer::tests::lex_additional_opeations ... ok [INFO] [stdout] test eval::tests::eval_string_literal ... ok [INFO] [stdout] test eval::tests::eval_infix_string ... ok [INFO] [stdout] test eval::tests::eval_infix ... ok [INFO] [stdout] test eval::tests::eval_function ... ok [INFO] [stdout] test eval::tests::eval_infix_nested_types ... ok [INFO] [stdout] test lexer::tests::lex_function_call ... ok [INFO] [stdout] test lexer::tests::lex_string ... ok [INFO] [stdout] test lexer::tests::lex_ident_ending_with_semicolon ... ok [INFO] [stdout] test lexer::tests::lex_let_ident_contains_keyword ... ok [INFO] [stdout] test lexer::tests::lex_let ... ok [INFO] [stdout] test lexer::tests::lex_function ... ok [INFO] [stdout] test lexer::tests::lex_tokens ... ok [INFO] [stdout] test eval::tests::eval_return ... ok [INFO] [stdout] test parser::tests::parse_expression_statement_const ... ok [INFO] [stdout] test parser::tests::parse_expression_statement ... ok [INFO] [stdout] test parser::tests::parse_if ... ok [INFO] [stdout] test parser::tests::parse_function_literal ... ok [INFO] [stdout] test eval::tests::eval_negative ... ok [INFO] [stdout] test parser::tests::parse_function_call ... ok [INFO] [stdout] test parser::tests::parse_infix_expression_order_of_operations ... ok [INFO] [stdout] test parser::tests::parse_if_else ... ok [INFO] [stdout] test eval::tests::eval_if ... ok [INFO] [stdout] test parser::tests::parse_function_expression ... ok [INFO] [stdout] test parser::tests::parse_expression_statement_string ... ok [INFO] [stdout] test parser::tests::parse_prefix_expression ... ok [INFO] [stdout] test parser::tests::parse_let ... ok [INFO] [stdout] test parser::tests::parse_bool ... ok [INFO] [stdout] test parser::tests::parse_infix_expressions ... ok [INFO] [stdout] test parser::tests::parse_paren ... ok [INFO] [stdout] test parser::tests::parse_let_ident ... ok [INFO] [stdout] test parser::tests::parse_return ... ok [INFO] [stdout] test parser::tests::precedence ... ok [INFO] [stdout] test vm::tests::run_greater_than ... ok [INFO] [stdout] test vm::tests::run_not_equals ... ok [INFO] [stdout] test vm::tests::run_if ... ok [INFO] [stdout] test vm::tests::run_equals ... ok [INFO] [stdout] test vm::tests::run_bool ... ok [INFO] [stdout] test vm::tests::run_prefix ... ok [INFO] [stdout] test vm::tests::run_variable_declaration ... ok [INFO] [stdout] test vm::tests::run_less_than ... ok [INFO] [stdout] test vm::tests::run_infix ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 59 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "06e9b761d96804c2326fd4e0319d1562a69468fab7637dda8df4f01812834773"` [INFO] running `"docker" "rm" "-f" "06e9b761d96804c2326fd4e0319d1562a69468fab7637dda8df4f01812834773"` [INFO] [stdout] 06e9b761d96804c2326fd4e0319d1562a69468fab7637dda8df4f01812834773