[INFO] cloning repository https://github.com/brain-lang/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brain-lang/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrainfuck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a7e6127ec581fc53cf0a1b659952d8d8a6cd30d [INFO] testing brain-lang/brainfuck against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrainfuck" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brain-lang/brainfuck on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brain-lang/brainfuck [INFO] finished tweaking git repo https://github.com/brain-lang/brainfuck [INFO] tweaked toml for git repo https://github.com/brain-lang/brainfuck written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/brain-lang/brainfuck already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0916b61d9ba00f2227eebbe8a39fd06764100d139a04b327d5805397e5d0e80 [INFO] running `Command { std: "docker" "start" "-a" "d0916b61d9ba00f2227eebbe8a39fd06764100d139a04b327d5805397e5d0e80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0916b61d9ba00f2227eebbe8a39fd06764100d139a04b327d5805397e5d0e80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0916b61d9ba00f2227eebbe8a39fd06764100d139a04b327d5805397e5d0e80", kill_on_drop: false }` [INFO] [stdout] d0916b61d9ba00f2227eebbe8a39fd06764100d139a04b327d5805397e5d0e80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f40acdcc121488ff5c91d6320ac02512368ca2487c3faa46eb59880391a9198 [INFO] running `Command { std: "docker" "start" "-a" "6f40acdcc121488ff5c91d6320ac02512368ca2487c3faa46eb59880391a9198", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling unicode-segmentation v1.2.0 [INFO] [stderr] Compiling colored v1.5.1 [INFO] [stderr] Compiling clap v2.24.2 [INFO] [stderr] Compiling brain-brainfuck v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter.rs:100:18 [INFO] [stdout] | [INFO] [stdout] 100 | fn fill_matching(mut program: &mut Vec, start: usize) -> usize { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.10s [INFO] running `Command { std: "docker" "inspect" "6f40acdcc121488ff5c91d6320ac02512368ca2487c3faa46eb59880391a9198", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f40acdcc121488ff5c91d6320ac02512368ca2487c3faa46eb59880391a9198", kill_on_drop: false }` [INFO] [stdout] 6f40acdcc121488ff5c91d6320ac02512368ca2487c3faa46eb59880391a9198 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8b64baf550bf130998e906655707582ed4538e257c301a1574f9695505e65a4 [INFO] running `Command { std: "docker" "start" "-a" "d8b64baf550bf130998e906655707582ed4538e257c301a1574f9695505e65a4", kill_on_drop: false }` [INFO] [stderr] Compiling brain-brainfuck v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter.rs:100:18 [INFO] [stdout] | [INFO] [stdout] 100 | fn fill_matching(mut program: &mut Vec, start: usize) -> usize { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter.rs:100:18 [INFO] [stdout] | [INFO] [stdout] 100 | fn fill_matching(mut program: &mut Vec, start: usize) -> usize { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.46s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d8b64baf550bf130998e906655707582ed4538e257c301a1574f9695505e65a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8b64baf550bf130998e906655707582ed4538e257c301a1574f9695505e65a4", kill_on_drop: false }` [INFO] [stdout] d8b64baf550bf130998e906655707582ed4538e257c301a1574f9695505e65a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e7433125e5db3b67016e09b88f6b8e89c7efcca3970ccf6044b2ed543c6f57ea [INFO] running `Command { std: "docker" "start" "-a" "e7433125e5db3b67016e09b88f6b8e89c7efcca3970ccf6044b2ed543c6f57ea", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/interpreter.rs:100:18 [INFO] [stderr] | [INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec, start: usize) -> usize { [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/interpreter.rs:100:18 [INFO] [stderr] | [INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec, start: usize) -> usize { [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/brainfuck-2fdffbe6978e47b5) [INFO] [stdout] running 28 tests [INFO] [stdout] test instruction::tests::display ... ok [INFO] [stdout] test interpreter::tests::basic_movements ... ok [INFO] [stdout] test interpreter::tests::move_left_past_zero ... ok [INFO] [stdout] test interpreter::tests::basic_looping ... ok [INFO] [stdout] test debug_format::tests::from_str ... ok [INFO] [stdout] test interpreter::tests::reading_input ... ok [INFO] [stdout] test optlevel::tests::from_str ... ok [INFO] [stdout] test interpreter::tests::wrapping ... ok [INFO] [stdout] test interpreter::tests::hello_world ... ok [INFO] [stdout] test interpreter::tests::skip_first_loop ... ok [INFO] [stdout] test interpreter::tests::move_right_past_capacity ... ok [INFO] [stdout] test interpreter::tests::nested_loops ... ok [INFO] [stdout] test precompiler::tests::over_max_expected_jumps ... ok [INFO] [stdout] test precompiler::tests::skip_unrecognized ... ok [INFO] [stdout] test interpreter::tests::callback_behaviour ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps2 ... ok [INFO] [stdout] test precompiler::tests::optimization_levels ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps4 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps5 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps11 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps10 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps1 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps7 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps8 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps9 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps3 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps6 ... ok [INFO] [stdout] test interpreter::tests::mismatched_jumps ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/brainfuck-0cc100294754f17e) [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" "e7433125e5db3b67016e09b88f6b8e89c7efcca3970ccf6044b2ed543c6f57ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7433125e5db3b67016e09b88f6b8e89c7efcca3970ccf6044b2ed543c6f57ea", kill_on_drop: false }` [INFO] [stdout] e7433125e5db3b67016e09b88f6b8e89c7efcca3970ccf6044b2ed543c6f57ea