[INFO] cloning repository https://github.com/sci4me/bfkit [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sci4me/bfkit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsci4me%2Fbfkit", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsci4me%2Fbfkit'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 07eff9f557101ed7655e60399eb213cc93b3b152 [INFO] testing sci4me/bfkit against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsci4me%2Fbfkit" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sci4me/bfkit on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sci4me/bfkit [INFO] finished tweaking git repo https://github.com/sci4me/bfkit [INFO] tweaked toml for git repo https://github.com/sci4me/bfkit written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/sci4me/bfkit already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad88af0e5f6cb27be6d84b7dbd7094125056f6ddbcd72950226f355fa6d763fe [INFO] running `Command { std: "docker" "start" "-a" "ad88af0e5f6cb27be6d84b7dbd7094125056f6ddbcd72950226f355fa6d763fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad88af0e5f6cb27be6d84b7dbd7094125056f6ddbcd72950226f355fa6d763fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad88af0e5f6cb27be6d84b7dbd7094125056f6ddbcd72950226f355fa6d763fe", kill_on_drop: false }` [INFO] [stdout] ad88af0e5f6cb27be6d84b7dbd7094125056f6ddbcd72950226f355fa6d763fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] adf025add7267c1b4c0d3fc409f57be04e32e05d3cbed44976a42d9b1d2237c1 [INFO] running `Command { std: "docker" "start" "-a" "adf025add7267c1b4c0d3fc409f57be04e32e05d3cbed44976a42d9b1d2237c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.57 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bfkit v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.77s [INFO] running `Command { std: "docker" "inspect" "adf025add7267c1b4c0d3fc409f57be04e32e05d3cbed44976a42d9b1d2237c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adf025add7267c1b4c0d3fc409f57be04e32e05d3cbed44976a42d9b1d2237c1", kill_on_drop: false }` [INFO] [stdout] adf025add7267c1b4c0d3fc409f57be04e32e05d3cbed44976a42d9b1d2237c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d534d5998348a21072498253a434b62d1034b50e4d75232e3f8a411a0a488070 [INFO] running `Command { std: "docker" "start" "-a" "d534d5998348a21072498253a434b62d1034b50e4d75232e3f8a411a0a488070", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling bfkit v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interp.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | subject.set_breakpoint(3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interp.rs:250:9 [INFO] [stdout] | [INFO] [stdout] 250 | subject.set_breakpoint(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.95s [INFO] running `Command { std: "docker" "inspect" "d534d5998348a21072498253a434b62d1034b50e4d75232e3f8a411a0a488070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d534d5998348a21072498253a434b62d1034b50e4d75232e3f8a411a0a488070", kill_on_drop: false }` [INFO] [stdout] d534d5998348a21072498253a434b62d1034b50e4d75232e3f8a411a0a488070 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5c349a9af8f0ffa4f685c4b44933d681ea64ebd7576677ecf81ac80fac7bf036 [INFO] running `Command { std: "docker" "start" "-a" "5c349a9af8f0ffa4f685c4b44933d681ea64ebd7576677ecf81ac80fac7bf036", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interp.rs:216:9 [INFO] [stderr] | [INFO] [stderr] 216 | subject.set_breakpoint(3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interp.rs:250:9 [INFO] [stderr] | [INFO] [stderr] 250 | subject.set_breakpoint(1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bfkit-392821660db391ca) [INFO] [stdout] running 22 tests [INFO] [stdout] test interp::tests::select_works ... ok [INFO] [stdout] test interp::tests::set_breakpoint_works ... ok [INFO] [stdout] test interp::tests::set_works ... ok [INFO] [stdout] test optimizer::tests::clear_loop_removal_works ... ok [INFO] [stdout] test optimizer::tests::contraction_works ... ok [INFO] [stdout] test optimizer::tests::dead_code_removal_works ... ok [INFO] [stdout] test optimizer::tests::optimize_works ... ok [INFO] [stdout] test optimizer::tests::scan_loop_removal_works ... ok [INFO] [stdout] test parser::tests::parse_parses_brainfuck_instructions ... ok [INFO] [stdout] test parser::tests::parse_str_parses_brainfuck_instructions ... ok [INFO] [stdout] test interp::tests::select_returns_error_when_address_out_of_bounds ... ok [INFO] [stdout] test interp::tests::run_works ... ok [INFO] [stdout] test interp::tests::run_stops_for_breakpoints ... ok [INFO] [stdout] test interp::tests::jump_works ... ok [INFO] [stdout] test interp::tests::jump_returns_error_when_address_out_of_bounds ... ok [INFO] [stdout] test interp::tests::get_works ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bfkit-f959aa6e1074b63e) [INFO] [stdout] test interp::tests::step_works ... ok [INFO] [stdout] test interp::tests::delete_breakpoint_works ... ok [INFO] [stdout] test ir::tests::ir_to_string_works ... ok [INFO] [stdout] test interp::tests::set_returns_error_when_address_out_of_bounds ... ok [INFO] [stdout] test interp::tests::get_returns_error_when_address_out_of_bounds ... ok [INFO] [stdout] test compiler::tests::compile_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests bfkit [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" "5c349a9af8f0ffa4f685c4b44933d681ea64ebd7576677ecf81ac80fac7bf036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c349a9af8f0ffa4f685c4b44933d681ea64ebd7576677ecf81ac80fac7bf036", kill_on_drop: false }` [INFO] [stdout] 5c349a9af8f0ffa4f685c4b44933d681ea64ebd7576677ecf81ac80fac7bf036