[INFO] crate nickel_view 0.1.0 is already in cache
[INFO] checking nickel_view-0.1.0 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate nickel_view 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nickel_view 0.1.0 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nickel_view 0.1.0
[INFO] finished tweaking crates.io crate nickel_view 0.1.0
[INFO] tweaked toml for crates.io crate nickel_view 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", 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] a6d25a5c40a22e93bacb2a9d4f6e93986908065023824924dd7f3622bcc81247
[INFO] running `Command { std: "docker" "start" "-a" "a6d25a5c40a22e93bacb2a9d4f6e93986908065023824924dd7f3622bcc81247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d25a5c40a22e93bacb2a9d4f6e93986908065023824924dd7f3622bcc81247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d25a5c40a22e93bacb2a9d4f6e93986908065023824924dd7f3622bcc81247", kill_on_drop: false }`
[INFO] [stdout] a6d25a5c40a22e93bacb2a9d4f6e93986908065023824924dd7f3622bcc81247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e77c8aa69bd11f123871f1c9a5fe0eb2839b40d93e9ff03077fa15f6495d7c2
[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" "8e77c8aa69bd11f123871f1c9a5fe0eb2839b40d93e9ff03077fa15f6495d7c2", kill_on_drop: false }`
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mustache v0.6.3
[INFO] [stdout] error: enum is private and its variants cannot be re-exported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mustache-0.6.3/src/parser.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub use self::ParserState::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | enum ParserState { TEXT, OTAG, TAG, CTAG }
[INFO] [stdout]    | ---------------- help: consider making the enum public: `pub enum ParserState`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: enum is private and its variants cannot be re-exported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mustache-0.6.3/src/parser.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub use self::TokenClass::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 | enum TokenClass {
[INFO] [stdout]    | --------------- help: consider making the enum public: `pub enum TokenClass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr] error: could not compile `mustache`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8e77c8aa69bd11f123871f1c9a5fe0eb2839b40d93e9ff03077fa15f6495d7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e77c8aa69bd11f123871f1c9a5fe0eb2839b40d93e9ff03077fa15f6495d7c2", kill_on_drop: false }`
[INFO] [stdout] 8e77c8aa69bd11f123871f1c9a5fe0eb2839b40d93e9ff03077fa15f6495d7c2