[INFO] cloning repository https://github.com/matsu7874/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matsu7874/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsu7874%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsu7874%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 629f6a4a33d216456b0185489e39bee9115b704c
[INFO] testing matsu7874/brainfuck against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsu7874%2Fbrainfuck" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matsu7874/brainfuck
[INFO] finished tweaking git repo https://github.com/matsu7874/brainfuck
[INFO] tweaked toml for git repo https://github.com/matsu7874/brainfuck written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matsu7874/brainfuck on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matsu7874/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f99f7480a6e8e548149e3893a3cf481816d60ce95ac175a31e3cd676fc0009fa
[INFO] running `Command { std: "docker" "start" "-a" "f99f7480a6e8e548149e3893a3cf481816d60ce95ac175a31e3cd676fc0009fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99f7480a6e8e548149e3893a3cf481816d60ce95ac175a31e3cd676fc0009fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99f7480a6e8e548149e3893a3cf481816d60ce95ac175a31e3cd676fc0009fa", kill_on_drop: false }`
[INFO] [stdout] f99f7480a6e8e548149e3893a3cf481816d60ce95ac175a31e3cd676fc0009fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5bb10381555a385efae12bf9bd10bbcc4f919e93f8f7898d07c5bc28b2269b6
[INFO] running `Command { std: "docker" "start" "-a" "f5bb10381555a385efae12bf9bd10bbcc4f919e93f8f7898d07c5bc28b2269b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut dep = 1;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dep`
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut dep = 1;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dep`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         return process::exit(64);
[INFO] [stdout]    |         ^^^^^^^-----------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "f5bb10381555a385efae12bf9bd10bbcc4f919e93f8f7898d07c5bc28b2269b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bb10381555a385efae12bf9bd10bbcc4f919e93f8f7898d07c5bc28b2269b6", kill_on_drop: false }`
[INFO] [stdout] f5bb10381555a385efae12bf9bd10bbcc4f919e93f8f7898d07c5bc28b2269b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 814df477aa1ed32ff4bb5820c13cad1bcf12bd5379017cdcb3fc63b8c3f4b3a6
[INFO] running `Command { std: "docker" "start" "-a" "814df477aa1ed32ff4bb5820c13cad1bcf12bd5379017cdcb3fc63b8c3f4b3a6", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut dep = 1;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dep`
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut dep = 1;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dep`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         return process::exit(64);
[INFO] [stdout]    |         ^^^^^^^-----------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut dep = 1;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dep`
[INFO] [stdout]    --> src/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut dep = 1;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dep`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "814df477aa1ed32ff4bb5820c13cad1bcf12bd5379017cdcb3fc63b8c3f4b3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814df477aa1ed32ff4bb5820c13cad1bcf12bd5379017cdcb3fc63b8c3f4b3a6", kill_on_drop: false }`
[INFO] [stdout] 814df477aa1ed32ff4bb5820c13cad1bcf12bd5379017cdcb3fc63b8c3f4b3a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9509fe2ddb4bd15e0128a64fad12908160ffce876613c4163f6f57fb8beee7be
[INFO] running `Command { std: "docker" "start" "-a" "9509fe2ddb4bd15e0128a64fad12908160ffce876613c4163f6f57fb8beee7be", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]    --> src/interpreter.rs:112:13
[INFO] [stdout] running 2 tests
[INFO] [stderr]     |
[INFO] [stdout] test interpreter::test_interpreter ... ok
[INFO] [stderr] 112 |         let mut dep = 1;
[INFO] [stdout] test lexer::test_lexer ... ok
[INFO] [stderr]     |             ----^^^
[INFO] [stdout] 
[INFO] [stderr]     |             |
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dep`
[INFO] [stderr]    --> src/interpreter.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let mut dep = 1;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dep`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `brainfuck` (lib) generated 2 warnings (run `cargo fix --lib -p brainfuck` to apply 2 suggestions)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return process::exit(64);
[INFO] [stderr]    |         ^^^^^^^-----------------
[INFO] [stderr]    |         |      |
[INFO] [stderr]    |         |      any code following this expression is unreachable
[INFO] [stderr]    |         unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         Err(f) => panic!(f.to_string()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 32 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stderr]    |                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `brainfuck` (bin "brainfuck" test) generated 2 warnings (run `cargo fix --bin "brainfuck" -p brainfuck --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `brainfuck` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/brainfuck-657b7ccb21dfc964)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brainfuck-52b9b590997432e7)
[INFO] [stderr]    Doc-tests brainfuck
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9509fe2ddb4bd15e0128a64fad12908160ffce876613c4163f6f57fb8beee7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9509fe2ddb4bd15e0128a64fad12908160ffce876613c4163f6f57fb8beee7be", kill_on_drop: false }`
[INFO] [stdout] 9509fe2ddb4bd15e0128a64fad12908160ffce876613c4163f6f57fb8beee7be
