[INFO] fetching crate brain_flak_macro 0.1.1...
[INFO] testing brain_flak_macro-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate brain_flak_macro 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate brain_flak_macro 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brain_flak_macro 0.1.1
[INFO] finished tweaking crates.io crate brain_flak_macro 0.1.1
[INFO] tweaked toml for crates.io crate brain_flak_macro 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa5f8dfdef6d6644fce10cf7522698de1925825162328c8fc4185739403db48
[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" "3fa5f8dfdef6d6644fce10cf7522698de1925825162328c8fc4185739403db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa5f8dfdef6d6644fce10cf7522698de1925825162328c8fc4185739403db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa5f8dfdef6d6644fce10cf7522698de1925825162328c8fc4185739403db48", kill_on_drop: false }`
[INFO] [stdout] 3fa5f8dfdef6d6644fce10cf7522698de1925825162328c8fc4185739403db48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f5a5eb9c34134c1867054338a032fa4b982117501a74a96abceaa0e3c8c6888
[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" "1f5a5eb9c34134c1867054338a032fa4b982117501a74a96abceaa0e3c8c6888", kill_on_drop: false }`
[INFO] [stderr]    Compiling brain_flak_macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1f5a5eb9c34134c1867054338a032fa4b982117501a74a96abceaa0e3c8c6888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5a5eb9c34134c1867054338a032fa4b982117501a74a96abceaa0e3c8c6888", kill_on_drop: false }`
[INFO] [stdout] 1f5a5eb9c34134c1867054338a032fa4b982117501a74a96abceaa0e3c8c6888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bf936fd180e8b404866d5fb4149be3fd41f953b5b2b2ade7db2df35b7854fdc
[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" "4bf936fd180e8b404866d5fb4149be3fd41f953b5b2b2ade7db2df35b7854fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling brain_flak_macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `active` is never read
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |           $active = 1 - $active;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 379 | /         brain_flak! { &mut vec =>
[INFO] [stdout] 380 | |             ([({}<([({}(<()>))<>](<()>))<>>)<>]){({}[()]<(({})<({}{})>)>)<>}{}{}<>{}{}{}<>
[INFO] [stdout] 381 | |         }
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "4bf936fd180e8b404866d5fb4149be3fd41f953b5b2b2ade7db2df35b7854fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf936fd180e8b404866d5fb4149be3fd41f953b5b2b2ade7db2df35b7854fdc", kill_on_drop: false }`
[INFO] [stdout] 4bf936fd180e8b404866d5fb4149be3fd41f953b5b2b2ade7db2df35b7854fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] dafe344341e65cf8caee95f98dc5d62ce742cdeebff0e185b16af2fb624ffe62
[INFO] running `Command { std: "docker" "start" "-a" "dafe344341e65cf8caee95f98dc5d62ce742cdeebff0e185b16af2fb624ffe62", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `active` is never read
[INFO] [stdout] running 6 tests
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stdout] test test::add ... ok
[INFO] [stderr]     |
[INFO] [stderr] 148 |           $active = 1 - $active;
[INFO] [stderr]     |           ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 379 | /         brain_flak! { &mut vec =>
[INFO] [stderr] 380 | |             ([({}<([({}(<()>))<>](<()>))<>>)<>]){({}[()]<(({})<({}{})>)>)<>}{}{}<>{}{}{}<>
[INFO] [stderr] 381 | |         }
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brain_flak_macro-c00109cd7272d979
[INFO] [stdout] test test::subtract ... ok
[INFO] [stdout] test test::multiply ... ok
[INFO] [stderr]    Doc-tests brain_flak_macro
[INFO] [stdout] test test::sum ... ok
[INFO] [stdout] test test::sort ... ok
[INFO] [stdout] test test::zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dafe344341e65cf8caee95f98dc5d62ce742cdeebff0e185b16af2fb624ffe62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dafe344341e65cf8caee95f98dc5d62ce742cdeebff0e185b16af2fb624ffe62", kill_on_drop: false }`
[INFO] [stdout] dafe344341e65cf8caee95f98dc5d62ce742cdeebff0e185b16af2fb624ffe62