[INFO] updating cached repository Songbird0/my-brainfuck-interpreter [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Songbird0/my-brainfuck-interpreter [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Songbird0/my-brainfuck-interpreter" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Songbird0/my-brainfuck-interpreter"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Songbird0/my-brainfuck-interpreter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Songbird0/my-brainfuck-interpreter" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Songbird0/my-brainfuck-interpreter"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Songbird0/my-brainfuck-interpreter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7845f76437d8df097fcdd1caa345ac6a90044634 [INFO] sha for GitHub repo Songbird0/my-brainfuck-interpreter: 7845f76437d8df097fcdd1caa345ac6a90044634 [INFO] validating manifest of Songbird0/my-brainfuck-interpreter 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 Songbird0/my-brainfuck-interpreter 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 Songbird0/my-brainfuck-interpreter [INFO] finished frobbing Songbird0/my-brainfuck-interpreter [INFO] frobbed toml for Songbird0/my-brainfuck-interpreter written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Songbird0/my-brainfuck-interpreter/Cargo.toml [INFO] started frobbing Songbird0/my-brainfuck-interpreter [INFO] finished frobbing Songbird0/my-brainfuck-interpreter [INFO] frobbed toml for Songbird0/my-brainfuck-interpreter written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Songbird0/my-brainfuck-interpreter/Cargo.toml [INFO] crate Songbird0/my-brainfuck-interpreter 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 Songbird0/my-brainfuck-interpreter against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Songbird0/my-brainfuck-interpreter:/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] d847f19fe899979169e6463923ec9a2a377d292082446b1c1f0fa1a445cfbd12 [INFO] running `"docker" "start" "-a" "d847f19fe899979169e6463923ec9a2a377d292082446b1c1f0fa1a445cfbd12"` [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking brainfuck_interpreter v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/parser/io.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::{self, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parser::ram` [INFO] [stderr] --> src/parser/program.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::parser::ram; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Debug` [INFO] [stderr] --> src/parser/ast.rs:2:22 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt::{self, Debug}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `program_ptr` [INFO] [stderr] --> src/parser/program.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | let program_ptr: &usize = &interpreter.program_ptr; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_program_ptr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/parser/io.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::{self, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/ast.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | self.ram[..].fmt(f); [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/parser/ast.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | self.program.fmt(f); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `Debug` [INFO] [stderr] --> src/parser/ast.rs:2:22 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt::{self, Debug}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `program_ptr` [INFO] [stderr] --> src/parser/program.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | let program_ptr: &usize = &interpreter.program_ptr; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_program_ptr` [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/ram.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut interpreter = ast::Interpreter { [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/parser/ram.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut interpreter = right(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let mut interpreter = right(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut interpreter = left(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | let mut interpreter = increment(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | let mut interpreter = decrement(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:124:9 [INFO] [stderr] | [INFO] [stderr] 124 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:168:9 [INFO] [stderr] | [INFO] [stderr] 168 | let mut interpreter = loop_ending(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | let mut interpreter = loop_ending(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/ast.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | self.ram[..].fmt(f); [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/parser/ast.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | self.program.fmt(f); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> tests/helloworld.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.42s [INFO] running `"docker" "inspect" "d847f19fe899979169e6463923ec9a2a377d292082446b1c1f0fa1a445cfbd12"` [INFO] running `"docker" "rm" "-f" "d847f19fe899979169e6463923ec9a2a377d292082446b1c1f0fa1a445cfbd12"` [INFO] [stdout] d847f19fe899979169e6463923ec9a2a377d292082446b1c1f0fa1a445cfbd12