[INFO] fetching crate nickel_mustache 0.1.0...
[INFO] checking nickel_mustache-0.1.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate nickel_mustache 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nickel_mustache 0.1.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate nickel_mustache 0.1.0
[INFO] finished tweaking crates.io crate nickel_mustache 0.1.0
[INFO] tweaked toml for crates.io crate nickel_mustache 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] 5ba3f21ed5cb2f05247cceb53ceb3840aa0d2a99aa9bf6bfd4d87f56bbbb9ea0
[INFO] running `Command { std: "docker" "start" "-a" "5ba3f21ed5cb2f05247cceb53ceb3840aa0d2a99aa9bf6bfd4d87f56bbbb9ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba3f21ed5cb2f05247cceb53ceb3840aa0d2a99aa9bf6bfd4d87f56bbbb9ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba3f21ed5cb2f05247cceb53ceb3840aa0d2a99aa9bf6bfd4d87f56bbbb9ea0", kill_on_drop: false }`
[INFO] [stdout] 5ba3f21ed5cb2f05247cceb53ceb3840aa0d2a99aa9bf6bfd4d87f56bbbb9ea0
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f11cd00ef37a5f62009c2f520c6dcc977915f64e6fecb689219b2a6df9b451d
[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" "5f11cd00ef37a5f62009c2f520c6dcc977915f64e6fecb689219b2a6df9b451d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking mustache v0.6.3
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking thread_local v0.2.7
[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 aho-corasick v0.5.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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" "5f11cd00ef37a5f62009c2f520c6dcc977915f64e6fecb689219b2a6df9b451d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f11cd00ef37a5f62009c2f520c6dcc977915f64e6fecb689219b2a6df9b451d", kill_on_drop: false }`
[INFO] [stdout] 5f11cd00ef37a5f62009c2f520c6dcc977915f64e6fecb689219b2a6df9b451d