[INFO] fetching crate brain-brainfuck 1.3.0... [INFO] testing brain-brainfuck-1.3.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate brain-brainfuck 1.3.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate brain-brainfuck 1.3.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] e7fc8d6e3f3140d062dfb993dcad9c45a7d8b1d10320d556c90921ae9dfee7ac [INFO] running `Command { std: "docker" "start" "-a" "e7fc8d6e3f3140d062dfb993dcad9c45a7d8b1d10320d556c90921ae9dfee7ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7fc8d6e3f3140d062dfb993dcad9c45a7d8b1d10320d556c90921ae9dfee7ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7fc8d6e3f3140d062dfb993dcad9c45a7d8b1d10320d556c90921ae9dfee7ac", kill_on_drop: false }` [INFO] [stdout] e7fc8d6e3f3140d062dfb993dcad9c45a7d8b1d10320d556c90921ae9dfee7ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 710740db214b90041194ed71b9d11050bce361298e488252e9b72be1f80f8a87 [INFO] running `Command { std: "docker" "start" "-a" "710740db214b90041194ed71b9d11050bce361298e488252e9b72be1f80f8a87", kill_on_drop: false }` [INFO] [stderr] Compiling colored v1.9.3 [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 4.42s [INFO] running `Command { std: "docker" "inspect" "710740db214b90041194ed71b9d11050bce361298e488252e9b72be1f80f8a87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "710740db214b90041194ed71b9d11050bce361298e488252e9b72be1f80f8a87", kill_on_drop: false }` [INFO] [stdout] 710740db214b90041194ed71b9d11050bce361298e488252e9b72be1f80f8a87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 4676676d13e735ee8ec07b346fa53a1d660d8946424a11982973300eca182733 [INFO] running `Command { std: "docker" "start" "-a" "4676676d13e735ee8ec07b346fa53a1d660d8946424a11982973300eca182733", 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 1.56s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/brainfuck-090bb6d0e8a672f1) [INFO] [stderr] Executable unittests src/bin/brainfuck.rs (/opt/rustwide/target/debug/deps/brainfuck-d5ef5a6a150d094a) [INFO] running `Command { std: "docker" "inspect" "4676676d13e735ee8ec07b346fa53a1d660d8946424a11982973300eca182733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4676676d13e735ee8ec07b346fa53a1d660d8946424a11982973300eca182733", kill_on_drop: false }` [INFO] [stdout] 4676676d13e735ee8ec07b346fa53a1d660d8946424a11982973300eca182733 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0c32363a7237e438bfad88b452e6b7ade8365196f45d22a47a89335204df2df0 [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" "0c32363a7237e438bfad88b452e6b7ade8365196f45d22a47a89335204df2df0", 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: `brain-brainfuck` (lib) generated 1 warning [INFO] [stderr] warning: `brain-brainfuck` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/brainfuck-090bb6d0e8a672f1) [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test interpreter::tests::basic_movements ... ok [INFO] [stdout] test interpreter::tests::callback_behaviour ... ok [INFO] [stdout] test debug_format::tests::from_str ... ok [INFO] [stdout] test interpreter::tests::hello_world ... ok [INFO] [stdout] test interpreter::tests::skip_first_loop ... ok [INFO] [stdout] test optlevel::tests::from_str ... ok [INFO] [stdout] test interpreter::tests::reading_input ... ok [INFO] [stdout] test interpreter::tests::move_right_past_capacity ... ok [INFO] [stdout] test interpreter::tests::move_left_past_zero ... ok [INFO] [stdout] test interpreter::tests::basic_looping ... ok [INFO] [stdout] test interpreter::tests::nested_loops ... ok [INFO] [stdout] test interpreter::tests::wrapping ... ok [INFO] [stdout] test instruction::tests::display ... ok [INFO] [stdout] test precompiler::tests::skip_unrecognized ... ok [INFO] [stdout] test precompiler::tests::optimization_levels ... ok [INFO] [stdout] test precompiler::tests::over_max_expected_jumps ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps1 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps8 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps9 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps11 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps5 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps6 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps4 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps7 - should panic ... ok [INFO] [stdout] test interpreter::tests::mismatched_jumps - should panic ... ok [INFO] [stderr] Running unittests src/bin/brainfuck.rs (/opt/rustwide/target/debug/deps/brainfuck-d5ef5a6a150d094a) [INFO] [stdout] test precompiler::tests::mismatched_jumps10 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps3 - should panic ... ok [INFO] [stdout] test precompiler::tests::mismatched_jumps2 - should panic ... 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] [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" "0c32363a7237e438bfad88b452e6b7ade8365196f45d22a47a89335204df2df0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c32363a7237e438bfad88b452e6b7ade8365196f45d22a47a89335204df2df0", kill_on_drop: false }` [INFO] [stdout] 0c32363a7237e438bfad88b452e6b7ade8365196f45d22a47a89335204df2df0