[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 beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsci4me%2Fbfkit" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sci4me/bfkit 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 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-4/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" "+beta-2022-04-10" "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: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] b4dce1234d840dff917b630fe905428b4e36f6171337831ed6e5eb6d87057d2b
[INFO] running `Command { std: "docker" "start" "-a" "b4dce1234d840dff917b630fe905428b4e36f6171337831ed6e5eb6d87057d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4dce1234d840dff917b630fe905428b4e36f6171337831ed6e5eb6d87057d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dce1234d840dff917b630fe905428b4e36f6171337831ed6e5eb6d87057d2b", kill_on_drop: false }`
[INFO] [stdout] b4dce1234d840dff917b630fe905428b4e36f6171337831ed6e5eb6d87057d2b
[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=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] 93b8d722bec7616933f8d74d178ee828ac691b80d0903dcb1d10da4805cf67b3
[INFO] running `Command { std: "docker" "start" "-a" "93b8d722bec7616933f8d74d178ee828ac691b80d0903dcb1d10da4805cf67b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.57
[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 18.22s
[INFO] running `Command { std: "docker" "inspect" "93b8d722bec7616933f8d74d178ee828ac691b80d0903dcb1d10da4805cf67b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b8d722bec7616933f8d74d178ee828ac691b80d0903dcb1d10da4805cf67b3", kill_on_drop: false }`
[INFO] [stdout] 93b8d722bec7616933f8d74d178ee828ac691b80d0903dcb1d10da4805cf67b3
[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=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] 326cbb525f529b1e34d8a628cbcf2076c1d0adcf0bc993f64cfb4442453542e7
[INFO] running `Command { std: "docker" "start" "-a" "326cbb525f529b1e34d8a628cbcf2076c1d0adcf0bc993f64cfb4442453542e7", kill_on_drop: false }`
[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 2.90s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/bfkit-f7214afd77f23372)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/bfkit-d976b1a641f7679a)
[INFO] running `Command { std: "docker" "inspect" "326cbb525f529b1e34d8a628cbcf2076c1d0adcf0bc993f64cfb4442453542e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326cbb525f529b1e34d8a628cbcf2076c1d0adcf0bc993f64cfb4442453542e7", kill_on_drop: false }`
[INFO] [stdout] 326cbb525f529b1e34d8a628cbcf2076c1d0adcf0bc993f64cfb4442453542e7
[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=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] 3f27cbf0e4d00b453b8ec04ed162227ff484e76839e44a846375264d7124941c
[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" "3f27cbf0e4d00b453b8ec04ed162227ff484e76839e44a846375264d7124941c", 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: `bfkit` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bfkit-f7214afd77f23372)
[INFO] [stdout] running 22 tests
[INFO] [stdout] test interp::tests::delete_breakpoint_works ... ok
[INFO] [stdout] test interp::tests::run_stops_for_breakpoints ... ok
[INFO] [stdout] test interp::tests::get_works ... ok
[INFO] [stdout] test interp::tests::run_works ... ok
[INFO] [stdout] test interp::tests::select_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::select_works ... ok
[INFO] [stdout] test interp::tests::set_breakpoint_works ... ok
[INFO] [stdout] test interp::tests::set_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::set_works ... ok
[INFO] [stdout] test interp::tests::step_works ... ok
[INFO] [stdout] test ir::tests::ir_to_string_works ... ok
[INFO] [stdout] test optimizer::tests::clear_loop_removal_works ... ok
[INFO] [stdout] test optimizer::tests::contraction_works ... ok
[INFO] [stdout] test interp::tests::jump_works ... ok
[INFO] [stdout] test interp::tests::get_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::jump_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test compiler::tests::compile_works ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bfkit-d976b1a641f7679a)
[INFO] [stdout] test parser::tests::parse_str_parses_brainfuck_instructions ... ok
[INFO] [stdout] test optimizer::tests::dead_code_removal_works ... ok
[INFO] [stdout] test optimizer::tests::optimize_works ... ok
[INFO] [stdout] test parser::tests::parse_parses_brainfuck_instructions ... ok
[INFO] [stdout] test optimizer::tests::scan_loop_removal_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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 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] running `Command { std: "docker" "inspect" "3f27cbf0e4d00b453b8ec04ed162227ff484e76839e44a846375264d7124941c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f27cbf0e4d00b453b8ec04ed162227ff484e76839e44a846375264d7124941c", kill_on_drop: false }`
[INFO] [stdout] 3f27cbf0e4d00b453b8ec04ed162227ff484e76839e44a846375264d7124941c