[INFO] fetching crate brain-brainfuck 1.3.0... [INFO] testing brain-brainfuck-1.3.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate brain-brainfuck 1.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate brain-brainfuck 1.3.0 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 crates.io crate brain-brainfuck 1.3.0 [INFO] finished tweaking crates.io crate brain-brainfuck 1.3.0 [INFO] tweaked toml for crates.io crate brain-brainfuck 1.3.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f9b026cb2e6848fd20fea0ed706dfde084e728808e6253741ace8075480eed3 [INFO] running `Command { std: "docker" "start" "-a" "1f9b026cb2e6848fd20fea0ed706dfde084e728808e6253741ace8075480eed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f9b026cb2e6848fd20fea0ed706dfde084e728808e6253741ace8075480eed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f9b026cb2e6848fd20fea0ed706dfde084e728808e6253741ace8075480eed3", kill_on_drop: false }` [INFO] [stdout] 1f9b026cb2e6848fd20fea0ed706dfde084e728808e6253741ace8075480eed3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c16c26ad14d12e4099f9e60de1807560303ba83e86b78215648e5af802ba236f [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" "c16c26ad14d12e4099f9e60de1807560303ba83e86b78215648e5af802ba236f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling clap v2.33.3 [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 7.74s [INFO] running `Command { std: "docker" "inspect" "c16c26ad14d12e4099f9e60de1807560303ba83e86b78215648e5af802ba236f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c16c26ad14d12e4099f9e60de1807560303ba83e86b78215648e5af802ba236f", kill_on_drop: false }` [INFO] [stdout] c16c26ad14d12e4099f9e60de1807560303ba83e86b78215648e5af802ba236f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9923330a834d7483b88240c2fe9d50d547653da18f4e91e996448b1a2335f406 [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" "9923330a834d7483b88240c2fe9d50d547653da18f4e91e996448b1a2335f406", 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "9923330a834d7483b88240c2fe9d50d547653da18f4e91e996448b1a2335f406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9923330a834d7483b88240c2fe9d50d547653da18f4e91e996448b1a2335f406", kill_on_drop: false }` [INFO] [stdout] 9923330a834d7483b88240c2fe9d50d547653da18f4e91e996448b1a2335f406 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 97c5d32e2f59ce41a82f7b38c2272efc77df0b59e8c218b1d89631812a2fdfcb [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" "97c5d32e2f59ce41a82f7b38c2272efc77df0b59e8c218b1d89631812a2fdfcb", 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 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/brainfuck-62233b62757bb60b) [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test debug_format::tests::from_str ... ok [INFO] [stdout] test instruction::tests::display ... ok [INFO] [stdout] test interpreter::tests::basic_looping ... ok [INFO] [stdout] test interpreter::tests::basic_movements ... ok [INFO] [stdout] test interpreter::tests::callback_behaviour ... ok [INFO] [stdout] test interpreter::tests::move_left_past_zero ... ok [INFO] [stdout] test interpreter::tests::move_right_past_capacity ... ok [INFO] [stdout] test interpreter::tests::skip_first_loop ... ok [INFO] [stdout] test interpreter::tests::wrapping ... ok [INFO] [stdout] test optlevel::tests::from_str ... ok [INFO] [stdout] test interpreter::tests::reading_input ... ok [INFO] [stdout] test interpreter::tests::nested_loops ... ok [INFO] [stdout] test interpreter::tests::hello_world ... ok [INFO] [stdout] test precompiler::tests::over_max_expected_jumps ... ok [INFO] [stdout] test precompiler::tests::optimization_levels ... ok [INFO] [stdout] test precompiler::tests::skip_unrecognized ... ok [INFO] [stdout] test interpreter::tests::mismatched_jumps ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps1 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps10 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps11 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps2 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps4 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps5 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps6 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps7 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps9 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps8 ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/brainfuck-5b0e3db3d7855094) [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] [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] running `Command { std: "docker" "inspect" "97c5d32e2f59ce41a82f7b38c2272efc77df0b59e8c218b1d89631812a2fdfcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97c5d32e2f59ce41a82f7b38c2272efc77df0b59e8c218b1d89631812a2fdfcb", kill_on_drop: false }` [INFO] [stdout] 97c5d32e2f59ce41a82f7b38c2272efc77df0b59e8c218b1d89631812a2fdfcb