[INFO] updating cached repository https://github.com/sci4me/bfkit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07eff9f557101ed7655e60399eb213cc93b3b152
[INFO] testing sci4me/bfkit against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsci4me%2Fbfkit" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sci4me/bfkit on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 8a4948a5b60a7e9e40b4b6e8748c80e9b33662b15706ccc85b55dff66d921519
[INFO] running `Command { std: "docker" "start" "-a" "8a4948a5b60a7e9e40b4b6e8748c80e9b33662b15706ccc85b55dff66d921519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a4948a5b60a7e9e40b4b6e8748c80e9b33662b15706ccc85b55dff66d921519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4948a5b60a7e9e40b4b6e8748c80e9b33662b15706ccc85b55dff66d921519", kill_on_drop: false }`
[INFO] [stdout] 8a4948a5b60a7e9e40b4b6e8748c80e9b33662b15706ccc85b55dff66d921519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e268e59ae4b4300379ec8828b89c01841d7cb2cfa6a6d1655e63fc802b986fbc
[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" "e268e59ae4b4300379ec8828b89c01841d7cb2cfa6a6d1655e63fc802b986fbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.57
[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 14.90s
[INFO] running `Command { std: "docker" "inspect" "e268e59ae4b4300379ec8828b89c01841d7cb2cfa6a6d1655e63fc802b986fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e268e59ae4b4300379ec8828b89c01841d7cb2cfa6a6d1655e63fc802b986fbc", kill_on_drop: false }`
[INFO] [stdout] e268e59ae4b4300379ec8828b89c01841d7cb2cfa6a6d1655e63fc802b986fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4635be6bfd290f967aeeb8ccaf70bfd077c1ea3cf3a12076c4374c056888e4e1
[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" "4635be6bfd290f967aeeb8ccaf70bfd077c1ea3cf3a12076c4374c056888e4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bfkit v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::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 `std::result::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 2.38s
[INFO] running `Command { std: "docker" "inspect" "4635be6bfd290f967aeeb8ccaf70bfd077c1ea3cf3a12076c4374c056888e4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4635be6bfd290f967aeeb8ccaf70bfd077c1ea3cf3a12076c4374c056888e4e1", kill_on_drop: false }`
[INFO] [stdout] 4635be6bfd290f967aeeb8ccaf70bfd077c1ea3cf3a12076c4374c056888e4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f2a1c85ee675a0d56f14c9cb9219f081ec87f20084ec00fcdba1463eaaf3bdd
[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" "0f2a1c85ee675a0d56f14c9cb9219f081ec87f20084ec00fcdba1463eaaf3bdd", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::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 `std::result::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 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfkit-32dbadf8255670bb
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test optimizer::tests::clear_loop_removal_works ... ok
[INFO] [stdout] test interp::tests::run_works ... ok
[INFO] [stdout] test interp::tests::set_breakpoint_works ... ok
[INFO] [stdout] test interp::tests::select_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 interp::tests::jump_works ... ok
[INFO] [stdout] test interp::tests::get_works ... ok
[INFO] [stdout] test interp::tests::select_works ... ok
[INFO] [stdout] test interp::tests::get_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::set_works ... ok
[INFO] [stdout] test interp::tests::set_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::step_works ... ok
[INFO] [stdout] test ir::tests::ir_to_string_works ... ok
[INFO] [stdout] test interp::tests::run_stops_for_breakpoints ... ok
[INFO] [stdout] test compiler::tests::compile_works ... ok
[INFO] [stdout] test interp::tests::delete_breakpoint_works ... ok
[INFO] [stdout] test parser::tests::parse_parses_brainfuck_instructions ... ok
[INFO] [stdout] test optimizer::tests::dead_code_removal_works ... ok
[INFO] [stdout] test parser::tests::parse_str_parses_brainfuck_instructions ... ok
[INFO] [stdout] test optimizer::tests::optimize_works ... ok
[INFO] [stdout] test optimizer::tests::scan_loop_removal_works ... ok
[INFO] [stdout] test optimizer::tests::contraction_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfkit-2d8c6c10a155a5a2
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bfkit
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f2a1c85ee675a0d56f14c9cb9219f081ec87f20084ec00fcdba1463eaaf3bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2a1c85ee675a0d56f14c9cb9219f081ec87f20084ec00fcdba1463eaaf3bdd", kill_on_drop: false }`
[INFO] [stdout] 0f2a1c85ee675a0d56f14c9cb9219f081ec87f20084ec00fcdba1463eaaf3bdd