[INFO] cloning repository https://github.com/amscotti/rust_balanced_brackets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amscotti/rust_balanced_brackets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famscotti%2Frust_balanced_brackets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famscotti%2Frust_balanced_brackets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eca8dc8dedb54326a0968fc9ce47991c662eb41f
[INFO] testing amscotti/rust_balanced_brackets against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famscotti%2Frust_balanced_brackets" "/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/amscotti/rust_balanced_brackets on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amscotti/rust_balanced_brackets
[INFO] finished tweaking git repo https://github.com/amscotti/rust_balanced_brackets
[INFO] tweaked toml for git repo https://github.com/amscotti/rust_balanced_brackets written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/amscotti/rust_balanced_brackets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.4.4
[INFO] [stderr]   Downloaded parking_lot_core v0.2.2
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e567dfb789e98c36364ef950fe2ea4a949584cc429e16f5a33b40f14b8fe6c2a
[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" "e567dfb789e98c36364ef950fe2ea4a949584cc429e16f5a33b40f14b8fe6c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e567dfb789e98c36364ef950fe2ea4a949584cc429e16f5a33b40f14b8fe6c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e567dfb789e98c36364ef950fe2ea4a949584cc429e16f5a33b40f14b8fe6c2a", kill_on_drop: false }`
[INFO] [stdout] e567dfb789e98c36364ef950fe2ea4a949584cc429e16f5a33b40f14b8fe6c2a
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac197a3376ef53bbe229d3ff812602432e530c02a76bdb3e123b545f7be8bcc5
[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" "ac197a3376ef53bbe229d3ff812602432e530c02a76bdb3e123b545f7be8bcc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v0.4.0
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.4.4
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling rust_balanced_brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "ac197a3376ef53bbe229d3ff812602432e530c02a76bdb3e123b545f7be8bcc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac197a3376ef53bbe229d3ff812602432e530c02a76bdb3e123b545f7be8bcc5", kill_on_drop: false }`
[INFO] [stdout] ac197a3376ef53bbe229d3ff812602432e530c02a76bdb3e123b545f7be8bcc5
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 239314b413bc911dd54e85e89f0341306ca102ea3d0970fc1c3031d394ebb935
[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" "239314b413bc911dd54e85e89f0341306ca102ea3d0970fc1c3031d394ebb935", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_balanced_brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "239314b413bc911dd54e85e89f0341306ca102ea3d0970fc1c3031d394ebb935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239314b413bc911dd54e85e89f0341306ca102ea3d0970fc1c3031d394ebb935", kill_on_drop: false }`
[INFO] [stdout] 239314b413bc911dd54e85e89f0341306ca102ea3d0970fc1c3031d394ebb935
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 05f04f2061c403db13413d6acfd0d84b3c3f6d33fbf6e984aad44136cd38f622
[INFO] running `Command { std: "docker" "start" "-a" "05f04f2061c403db13413d6acfd0d84b3c3f6d33fbf6e984aad44136cd38f622", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_balanced_brackets-b707ea070d026d88
[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" "05f04f2061c403db13413d6acfd0d84b3c3f6d33fbf6e984aad44136cd38f622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f04f2061c403db13413d6acfd0d84b3c3f6d33fbf6e984aad44136cd38f622", kill_on_drop: false }`
[INFO] [stdout] 05f04f2061c403db13413d6acfd0d84b3c3f6d33fbf6e984aad44136cd38f622
