[INFO] cloning repository https://github.com/matthew-healy/brainfuck-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthew-healy/brainfuck-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-healy%2Fbrainfuck-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-healy%2Fbrainfuck-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b98882f5a30bf8ddfdda5abe405aca155472f4a1
[INFO] testing matthew-healy/brainfuck-in-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-healy%2Fbrainfuck-in-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthew-healy/brainfuck-in-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthew-healy/brainfuck-in-rust
[INFO] finished tweaking git repo https://github.com/matthew-healy/brainfuck-in-rust
[INFO] tweaked toml for git repo https://github.com/matthew-healy/brainfuck-in-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/matthew-healy/brainfuck-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23db685eaecfcfd8f5388ed321263d7785392dfd9e179a3e8dc37e70a5f65688
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23db685eaecfcfd8f5388ed321263d7785392dfd9e179a3e8dc37e70a5f65688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23db685eaecfcfd8f5388ed321263d7785392dfd9e179a3e8dc37e70a5f65688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23db685eaecfcfd8f5388ed321263d7785392dfd9e179a3e8dc37e70a5f65688", kill_on_drop: false }`
[INFO] [stdout] 23db685eaecfcfd8f5388ed321263d7785392dfd9e179a3e8dc37e70a5f65688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957628cfec7fd7e36e1032ffe34f77cb569d884f9ac612259debce91fd8696de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "957628cfec7fd7e36e1032ffe34f77cb569d884f9ac612259debce91fd8696de", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "957628cfec7fd7e36e1032ffe34f77cb569d884f9ac612259debce91fd8696de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957628cfec7fd7e36e1032ffe34f77cb569d884f9ac612259debce91fd8696de", kill_on_drop: false }`
[INFO] [stdout] 957628cfec7fd7e36e1032ffe34f77cb569d884f9ac612259debce91fd8696de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 416d9479d8908c3271bb69856c96c1b05208c398e4fc546d19cc6f7f51636aa9
[INFO] running `Command { std: "docker" "start" "-a" "416d9479d8908c3271bb69856c96c1b05208c398e4fc546d19cc6f7f51636aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SyntaxNode::*`
[INFO] [stdout]    --> src/parser.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         use SyntaxNode::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "416d9479d8908c3271bb69856c96c1b05208c398e4fc546d19cc6f7f51636aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416d9479d8908c3271bb69856c96c1b05208c398e4fc546d19cc6f7f51636aa9", kill_on_drop: false }`
[INFO] [stdout] 416d9479d8908c3271bb69856c96c1b05208c398e4fc546d19cc6f7f51636aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10096451a16c5fc0bb128e9c5cc9a82f695d880edf12671a0b6015648a15e0a2
[INFO] running `Command { std: "docker" "start" "-a" "10096451a16c5fc0bb128e9c5cc9a82f695d880edf12671a0b6015648a15e0a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SyntaxNode::*`
[INFO] [stderr]    --> src/parser.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |         use SyntaxNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `brainfuck` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brainfuck-e9c971fb0292a57a)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test parser::tests::empty_loop_is_error ... ok
[INFO] [stdout] test parser::tests::parse_empty ... ok
[INFO] [stdout] test parser::tests::parse_nested_loops ... ok
[INFO] [stdout] test parser::tests::parse_sequence_of_tokens ... ok
[INFO] [stdout] test parser::tests::parse_same_token_multiple_times ... ok
[INFO] [stdout] test parser::tests::parse_simple_loop ... ok
[INFO] [stdout] test parser::tests::parse_single_tokens ... ok
[INFO] [stdout] test parser::tests::unmatched_loop_is_error ... ok
[INFO] [stdout] test lexer::tests::lex_valid_program ... ok
[INFO] [stdout] test lexer::tests::lex_single_tokens ... ok
[INFO] [stdout] test lexer::tests::lex_ignores_arbitrary_input_within_valid_program ... ok
[INFO] [stdout] test lexer::tests::lex_ignores_arbitrary_input ... ok
[INFO] [stdout] test lexer::tests::lex_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bf_interpreter-8f35670823acd6d3)
[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" "10096451a16c5fc0bb128e9c5cc9a82f695d880edf12671a0b6015648a15e0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10096451a16c5fc0bb128e9c5cc9a82f695d880edf12671a0b6015648a15e0a2", kill_on_drop: false }`
[INFO] [stdout] 10096451a16c5fc0bb128e9c5cc9a82f695d880edf12671a0b6015648a15e0a2