[INFO] fetching crate ungrammar 1.1.1...
[INFO] testing ungrammar-1.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate ungrammar 1.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ungrammar 1.1.1 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 crates.io crate ungrammar 1.1.1
[INFO] finished tweaking crates.io crate ungrammar 1.1.1
[INFO] tweaked toml for crates.io crate ungrammar 1.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] [stdout] 0207a1e8e72d2081523e7cb9a2421d476fc66813782a3fd33d8f92c27fcc6334
[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" "0207a1e8e72d2081523e7cb9a2421d476fc66813782a3fd33d8f92c27fcc6334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0207a1e8e72d2081523e7cb9a2421d476fc66813782a3fd33d8f92c27fcc6334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0207a1e8e72d2081523e7cb9a2421d476fc66813782a3fd33d8f92c27fcc6334", kill_on_drop: false }`
[INFO] [stdout] 0207a1e8e72d2081523e7cb9a2421d476fc66813782a3fd33d8f92c27fcc6334
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8b9fbfd3e890649fe5ae4c7d53de9f4aa84a81fb73b608570aa6833dcc7379d
[INFO] running `Command { std: "docker" "start" "-a" "c8b9fbfd3e890649fe5ae4c7d53de9f4aa84a81fb73b608570aa6833dcc7379d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ungrammar v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "c8b9fbfd3e890649fe5ae4c7d53de9f4aa84a81fb73b608570aa6833dcc7379d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b9fbfd3e890649fe5ae4c7d53de9f4aa84a81fb73b608570aa6833dcc7379d", kill_on_drop: false }`
[INFO] [stdout] c8b9fbfd3e890649fe5ae4c7d53de9f4aa84a81fb73b608570aa6833dcc7379d
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d32bd4b2b6c0dad2614b364b9c696bfbd69ec9b91f8e5a54d9e2e072380afa3
[INFO] running `Command { std: "docker" "start" "-a" "7d32bd4b2b6c0dad2614b364b9c696bfbd69ec9b91f8e5a54d9e2e072380afa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ungrammar v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "7d32bd4b2b6c0dad2614b364b9c696bfbd69ec9b91f8e5a54d9e2e072380afa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d32bd4b2b6c0dad2614b364b9c696bfbd69ec9b91f8e5a54d9e2e072380afa3", kill_on_drop: false }`
[INFO] [stdout] 7d32bd4b2b6c0dad2614b364b9c696bfbd69ec9b91f8e5a54d9e2e072380afa3
[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" "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] 6adfd99f324dfc1250b8b41b00d0fbe16f489c28aab0f6889afac5ea1f758cd7
[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" "6adfd99f324dfc1250b8b41b00d0fbe16f489c28aab0f6889afac5ea1f758cd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ungrammar-bc90a233ee1a9a05
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test test_rust_grammar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ungrammar
[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" "6adfd99f324dfc1250b8b41b00d0fbe16f489c28aab0f6889afac5ea1f758cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adfd99f324dfc1250b8b41b00d0fbe16f489c28aab0f6889afac5ea1f758cd7", kill_on_drop: false }`
[INFO] [stdout] 6adfd99f324dfc1250b8b41b00d0fbe16f489c28aab0f6889afac5ea1f758cd7