[INFO] updating cached repository yjhmelody/lua-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yjhmelody/lua-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yjhmelody/lua-rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yjhmelody/lua-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yjhmelody/lua-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yjhmelody/lua-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yjhmelody/lua-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yjhmelody/lua-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b2a0cb41ad5d46bbf47b0b89d914bfdde613fe97
[INFO] sha for GitHub repo yjhmelody/lua-rs: b2a0cb41ad5d46bbf47b0b89d914bfdde613fe97
[INFO] validating manifest of yjhmelody/lua-rs on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yjhmelody/lua-rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yjhmelody/lua-rs
[INFO] finished frobbing yjhmelody/lua-rs
[INFO] frobbed toml for yjhmelody/lua-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yjhmelody/lua-rs/Cargo.toml
[INFO] started frobbing yjhmelody/lua-rs
[INFO] finished frobbing yjhmelody/lua-rs
[INFO] frobbed toml for yjhmelody/lua-rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yjhmelody/lua-rs/Cargo.toml
[INFO] crate yjhmelody/lua-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yjhmelody/lua-rs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yjhmelody/lua-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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 60eb002419444a59c39d677ab9c333ea019f80ed124c85da2ef6cf1021cf1282
[INFO] running `"docker" "start" "-a" "60eb002419444a59c39d677ab9c333ea019f80ed124c85da2ef6cf1021cf1282"`
[INFO] [stderr]     Checking lua-rs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/compiler/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ref`
[INFO] [stderr]   --> src/compiler/codegen.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 | use std::cell::{Ref, RefCell};
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/compiler/codegen.rs:881:43
[INFO] [stderr]     |
[INFO] [stderr] 881 |         self.emit_jmp(block.last_line, a, (pc_before_block as isize - self.pc() as isize - 1));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/compiler/codegen.rs:909:43
[INFO] [stderr]     |
[INFO] [stderr] 909 |         self.emit_jmp(block.last_line, 0, (pc_before_exp as isize - self.pc() as isize - 1));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/compiler/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ref`
[INFO] [stderr]   --> src/compiler/codegen.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 | use std::cell::{Ref, RefCell};
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/compiler/codegen.rs:881:43
[INFO] [stderr]     |
[INFO] [stderr] 881 |         self.emit_jmp(block.last_line, a, (pc_before_block as isize - self.pc() as isize - 1));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/compiler/codegen.rs:909:43
[INFO] [stderr]     |
[INFO] [stderr] 909 |         self.emit_jmp(block.last_line, 0, (pc_before_exp as isize - self.pc() as isize - 1));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]     --> src/compiler/codegen.rs:1498:9
[INFO] [stderr]      |
[INFO] [stderr] 1498 |     use std::fs;
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::binary::encode`
[INFO] [stderr]     --> src/compiler/codegen.rs:1500:9
[INFO] [stderr]      |
[INFO] [stderr] 1500 |     use crate::binary::encode;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::compiler::lexer::*`
[INFO] [stderr]     --> src/compiler/codegen.rs:1501:9
[INFO] [stderr]      |
[INFO] [stderr] 1501 |     use crate::compiler::lexer::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::compiler::parser::*`
[INFO] [stderr]     --> src/compiler/codegen.rs:1502:9
[INFO] [stderr]      |
[INFO] [stderr] 1502 |     use crate::compiler::parser::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]     --> src/compiler/codegen.rs:1504:9
[INFO] [stderr]      |
[INFO] [stderr] 1504 |     use super::*;
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]    --> src/compiler/parser.rs:993:13
[INFO] [stderr]     |
[INFO] [stderr] 993 |         let block = parse_block(&mut lexer).expect("parse error");
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_block`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `proto`
[INFO] [stderr]   --> src/binary/mod.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let proto = decode(s);
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_proto`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_encode`
[INFO] [stderr]   --> src/binary/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn test_encode() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/compiler/codegen.rs:1583:9
[INFO] [stderr]      |
[INFO] [stderr] 1583 |         fs::write("./tests/test.out", bytes);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/binary/mod.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         fs::write("./tests/test.out", s);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_encode`
[INFO] [stderr]   --> src/binary/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn test_encode() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/binary/mod.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         fs::write("./tests/test.out", s);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "60eb002419444a59c39d677ab9c333ea019f80ed124c85da2ef6cf1021cf1282"`
[INFO] running `"docker" "rm" "-f" "60eb002419444a59c39d677ab9c333ea019f80ed124c85da2ef6cf1021cf1282"`
[INFO] [stdout] 60eb002419444a59c39d677ab9c333ea019f80ed124c85da2ef6cf1021cf1282