[INFO] fetching crate brain_flak_macro 0.1.1...
[INFO] testing brain_flak_macro-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate brain_flak_macro 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate brain_flak_macro 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd55c4ada0e7562ef83427ddab9edf9eb7d337603e06e2bd2a58eb67f14997d4
[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" "dd55c4ada0e7562ef83427ddab9edf9eb7d337603e06e2bd2a58eb67f14997d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd55c4ada0e7562ef83427ddab9edf9eb7d337603e06e2bd2a58eb67f14997d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd55c4ada0e7562ef83427ddab9edf9eb7d337603e06e2bd2a58eb67f14997d4", kill_on_drop: false }`
[INFO] [stdout] dd55c4ada0e7562ef83427ddab9edf9eb7d337603e06e2bd2a58eb67f14997d4
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50abad359b9d432d4f65e9a2520d13242ba89ab9c1dd8df24f4aaa7b284f036
[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" "e50abad359b9d432d4f65e9a2520d13242ba89ab9c1dd8df24f4aaa7b284f036", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "e50abad359b9d432d4f65e9a2520d13242ba89ab9c1dd8df24f4aaa7b284f036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50abad359b9d432d4f65e9a2520d13242ba89ab9c1dd8df24f4aaa7b284f036", kill_on_drop: false }`
[INFO] [stdout] e50abad359b9d432d4f65e9a2520d13242ba89ab9c1dd8df24f4aaa7b284f036
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f084491262822982cb81a1f48cdf184e9f62dd15680fceabcf96a1f02a4c7449
[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" "f084491262822982cb81a1f48cdf184e9f62dd15680fceabcf96a1f02a4c7449", 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 1.07s
[INFO] running `Command { std: "docker" "inspect" "f084491262822982cb81a1f48cdf184e9f62dd15680fceabcf96a1f02a4c7449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f084491262822982cb81a1f48cdf184e9f62dd15680fceabcf96a1f02a4c7449", kill_on_drop: false }`
[INFO] [stdout] f084491262822982cb81a1f48cdf184e9f62dd15680fceabcf96a1f02a4c7449
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3ad8a8bf1469cf3378f95d2052ee9074e4c25473b1f978f044d515e01902281
[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" "e3ad8a8bf1469cf3378f95d2052ee9074e4c25473b1f978f044d515e01902281", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `active` is never read
[INFO] [stderr]    --> src/lib.rs:148:9
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brain_flak_macro-1cd3e48de335ae6a
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::add ... ok
[INFO] [stdout] test test::multiply ... ok
[INFO] [stdout] test test::sum ... ok
[INFO] [stdout] test test::zero ... ok
[INFO] [stderr]    Doc-tests brain_flak_macro
[INFO] [stdout] test test::sort ... ok
[INFO] [stdout] test test::subtract ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3ad8a8bf1469cf3378f95d2052ee9074e4c25473b1f978f044d515e01902281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ad8a8bf1469cf3378f95d2052ee9074e4c25473b1f978f044d515e01902281", kill_on_drop: false }`
[INFO] [stdout] e3ad8a8bf1469cf3378f95d2052ee9074e4c25473b1f978f044d515e01902281