[INFO] fetching crate cassandra 0.8.1...
[INFO] checking cassandra-0.8.1 against beta for pr-78714
[INFO] extracting crate cassandra 0.8.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cassandra 0.8.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cassandra 0.8.1
[INFO] finished tweaking crates.io crate cassandra 0.8.1
[INFO] tweaked toml for crates.io crate cassandra 0.8.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ec7c14136fdc207a923bae650ebf7d1d6e66206a5fb39866c032110be483df3
[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" "1ec7c14136fdc207a923bae650ebf7d1d6e66206a5fb39866c032110be483df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec7c14136fdc207a923bae650ebf7d1d6e66206a5fb39866c032110be483df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec7c14136fdc207a923bae650ebf7d1d6e66206a5fb39866c032110be483df3", kill_on_drop: false }`
[INFO] [stdout] 1ec7c14136fdc207a923bae650ebf7d1d6e66206a5fb39866c032110be483df3
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e6f885bcf409007402c537e39c88da6ca1d111003cc3a887763682355b0ad9
[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" "85e6f885bcf409007402c537e39c88da6ca1d111003cc3a887763682355b0ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling ansi_term v0.6.3
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling cassandra-sys v0.8.7
[INFO] [stderr]     Checking ip v1.1.1
[INFO] [stderr]    Compiling decimal v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking clap v1.3.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling syntex_syntax v0.24.0
[INFO] [stdout] error: to use a constant of type `Span` in a pattern, `Span` must be annotated with `#[derive(PartialEq, Eq)]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.24.0/src/errors/emitter.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Some(COMMAND_LINE_SP) => self.emit_(FileLine(COMMAND_LINE_SP), msg, code, lvl),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "85e6f885bcf409007402c537e39c88da6ca1d111003cc3a887763682355b0ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e6f885bcf409007402c537e39c88da6ca1d111003cc3a887763682355b0ad9", kill_on_drop: false }`
[INFO] [stdout] 85e6f885bcf409007402c537e39c88da6ca1d111003cc3a887763682355b0ad9