[INFO] fetching crate cassandra 0.8.1...
[INFO] documenting cassandra-0.8.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[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-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ip v1.1.1
[INFO] [stderr]   Downloaded rusty-cheddar v0.3.3
[INFO] [stderr]   Downloaded cassandra-sys v0.8.7
[INFO] [stderr]   Downloaded syntex_syntax v0.24.0
[INFO] [stderr]   Downloaded decimal v0.2.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0721c37faff5da4c1b230e72b0ad75f8da72f0eefc5af4b9a2e142979f690a13
[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" "0721c37faff5da4c1b230e72b0ad75f8da72f0eefc5af4b9a2e142979f690a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0721c37faff5da4c1b230e72b0ad75f8da72f0eefc5af4b9a2e142979f690a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0721c37faff5da4c1b230e72b0ad75f8da72f0eefc5af4b9a2e142979f690a13", kill_on_drop: false }`
[INFO] [stdout] 0721c37faff5da4c1b230e72b0ad75f8da72f0eefc5af4b9a2e142979f690a13
[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" "RUSTDOCFLAGS=--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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0f5a61b604d90e4c570057a5c76352efd3f3da5fcbd1d0e39c880aa0f7aa68c
[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" "a0f5a61b604d90e4c570057a5c76352efd3f3da5fcbd1d0e39c880aa0f7aa68c", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling ansi_term v0.6.3
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cassandra-sys v0.8.7
[INFO] [stderr]     Checking ip v1.1.1
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]     Checking clap v1.3.2
[INFO] [stderr]    Compiling syntex_syntax v0.24.0
[INFO] [stderr]    Compiling decimal v0.2.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stdout] error: to use a constant of type `codemap::Span` in a pattern, `codemap::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" "a0f5a61b604d90e4c570057a5c76352efd3f3da5fcbd1d0e39c880aa0f7aa68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f5a61b604d90e4c570057a5c76352efd3f3da5fcbd1d0e39c880aa0f7aa68c", kill_on_drop: false }`
[INFO] [stdout] a0f5a61b604d90e4c570057a5c76352efd3f3da5fcbd1d0e39c880aa0f7aa68c