[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-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-healy%2Fbrainfuck-in-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthew-healy/brainfuck-in-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fd3e2ac36fe5192dc272ad6a98b18ebee30878fc91d415c4f5d1804a68ad734
[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" "3fd3e2ac36fe5192dc272ad6a98b18ebee30878fc91d415c4f5d1804a68ad734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fd3e2ac36fe5192dc272ad6a98b18ebee30878fc91d415c4f5d1804a68ad734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd3e2ac36fe5192dc272ad6a98b18ebee30878fc91d415c4f5d1804a68ad734", kill_on_drop: false }`
[INFO] [stdout] 3fd3e2ac36fe5192dc272ad6a98b18ebee30878fc91d415c4f5d1804a68ad734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ce2004dcb98ee520a86b2417cd892576c2a297fc48fadaef914b39696400d7
[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" "c7ce2004dcb98ee520a86b2417cd892576c2a297fc48fadaef914b39696400d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "c7ce2004dcb98ee520a86b2417cd892576c2a297fc48fadaef914b39696400d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ce2004dcb98ee520a86b2417cd892576c2a297fc48fadaef914b39696400d7", kill_on_drop: false }`
[INFO] [stdout] c7ce2004dcb98ee520a86b2417cd892576c2a297fc48fadaef914b39696400d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d7016028bed0e2930c96cae50ca031e31cf59ed436a694356b0b480a9faa29
[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" "b3d7016028bed0e2930c96cae50ca031e31cf59ed436a694356b0b480a9faa29", 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 1.39s
[INFO] running `Command { std: "docker" "inspect" "b3d7016028bed0e2930c96cae50ca031e31cf59ed436a694356b0b480a9faa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d7016028bed0e2930c96cae50ca031e31cf59ed436a694356b0b480a9faa29", kill_on_drop: false }`
[INFO] [stdout] b3d7016028bed0e2930c96cae50ca031e31cf59ed436a694356b0b480a9faa29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2259b382c661cc587f377a60b0b46b11ca030ef84daa880156c7070346ad448
[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" "c2259b382c661cc587f377a60b0b46b11ca030ef84daa880156c7070346ad448", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `SyntaxNode::*`
[INFO] [stdout] running 13 tests
[INFO] [stderr]    --> src/parser.rs:155:13
[INFO] [stdout] test lexer::tests::lex_ignores_arbitrary_input_within_valid_program ... ok
[INFO] [stderr]     |
[INFO] [stdout] test parser::tests::parse_nested_loops ... ok
[INFO] [stderr] 155 |         use SyntaxNode::*;
[INFO] [stdout] test lexer::tests::lex_ignores_arbitrary_input ... ok
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stdout] test parser::tests::empty_loop_is_error ... ok
[INFO] [stderr]     |
[INFO] [stdout] test parser::tests::parse_single_tokens ... ok
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test parser::tests::unmatched_loop_is_error ... ok
[INFO] [stderr] 
[INFO] [stdout] test parser::tests::parse_empty ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test lexer::tests::lex_single_tokens ... ok
[INFO] [stderr] 
[INFO] [stdout] test parser::tests::parse_same_token_multiple_times ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test parser::tests::parse_simple_loop ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brainfuck-c990733cc060ad6d
[INFO] [stdout] test lexer::tests::lex_empty ... ok
[INFO] [stdout] test parser::tests::parse_sequence_of_tokens ... ok
[INFO] [stdout] test lexer::tests::lex_valid_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bf_interpreter-fbaff974a4b42bc5
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brainfuck
[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" "c2259b382c661cc587f377a60b0b46b11ca030ef84daa880156c7070346ad448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2259b382c661cc587f377a60b0b46b11ca030ef84daa880156c7070346ad448", kill_on_drop: false }`
[INFO] [stdout] c2259b382c661cc587f377a60b0b46b11ca030ef84daa880156c7070346ad448