[INFO] updating cached repository sakai-ryota/monkey
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sakai-ryota/monkey
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sakai-ryota/monkey" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sakai-ryota/monkey"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sakai-ryota/monkey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sakai-ryota/monkey" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sakai-ryota/monkey"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sakai-ryota/monkey'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36790159bea995538779dea6213e224e30ca43e1
[INFO] sha for GitHub repo sakai-ryota/monkey: 36790159bea995538779dea6213e224e30ca43e1
[INFO] validating manifest of sakai-ryota/monkey on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sakai-ryota/monkey on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sakai-ryota/monkey
[INFO] finished frobbing sakai-ryota/monkey
[INFO] frobbed toml for sakai-ryota/monkey written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sakai-ryota/monkey/Cargo.toml
[INFO] started frobbing sakai-ryota/monkey
[INFO] finished frobbing sakai-ryota/monkey
[INFO] frobbed toml for sakai-ryota/monkey written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sakai-ryota/monkey/Cargo.toml
[INFO] crate sakai-ryota/monkey already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sakai-ryota/monkey against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sakai-ryota/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ac72b3e1a0a01044a572b2a40d02e8a5cfccfda39def6e3e543641453d47ef6e
[INFO] running `"docker" "start" "-a" "ac72b3e1a0a01044a572b2a40d02e8a5cfccfda39def6e3e543641453d47ef6e"`
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             '1' ... '9' => return self.read_number(),
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     statements: Vec<Box<Statement>>
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let stmts : Vec<Box<Statement>> = Vec::new();
[INFO] [stderr]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, i: usize) -> &Box<Statement> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser_test.rs:33:34
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             '1' ... '9' => return self.read_number(),
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     statements: Vec<Box<Statement>>
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let stmts : Vec<Box<Statement>> = Vec::new();
[INFO] [stderr]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, i: usize) -> &Box<Statement> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexer::Lexer`
[INFO] [stderr]  --> src/parser_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::lexer::Lexer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::Parser`
[INFO] [stderr]  --> src/parser_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::parser::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser_test.rs:33:34
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/parser_test.rs:33:51
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                                   ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut p = ast::Program::new();
[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: field is never used: `value`
[INFO] [stderr]   --> src/ast.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/parser_test.rs:33:51
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                                   ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut p = ast::Program::new();
[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: field is never used: `value`
[INFO] [stderr]   --> src/ast.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_let_statement`
[INFO] [stderr]   --> src/parser_test.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "ac72b3e1a0a01044a572b2a40d02e8a5cfccfda39def6e3e543641453d47ef6e"`
[INFO] running `"docker" "rm" "-f" "ac72b3e1a0a01044a572b2a40d02e8a5cfccfda39def6e3e543641453d47ef6e"`
[INFO] [stdout] ac72b3e1a0a01044a572b2a40d02e8a5cfccfda39def6e3e543641453d47ef6e