[INFO] fetching crate nickel_mustache 0.1.0...
[INFO] testing nickel_mustache-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nickel_mustache 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nickel_mustache 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie v0.1.21
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded language-tags v0.0.7
[INFO] [stderr]   Downloaded hyper v0.6.16
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded openssl-sys v0.6.7
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded nickel v0.7.3
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded openssl v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbca9b147a4b48d7977cfd2b88cf16e18c8d5e0c98e6331f2886e67a3e87b1c9
[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" "dbca9b147a4b48d7977cfd2b88cf16e18c8d5e0c98e6331f2886e67a3e87b1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbca9b147a4b48d7977cfd2b88cf16e18c8d5e0c98e6331f2886e67a3e87b1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbca9b147a4b48d7977cfd2b88cf16e18c8d5e0c98e6331f2886e67a3e87b1c9", kill_on_drop: false }`
[INFO] [stdout] dbca9b147a4b48d7977cfd2b88cf16e18c8d5e0c98e6331f2886e67a3e87b1c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32fe30937bb2e548630b55cd991e585d31c4567ad5871fc6bde78ef4b96fb8e9
[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" "32fe30937bb2e548630b55cd991e585d31c4567ad5871fc6bde78ef4b96fb8e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling language-tags v0.0.7
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.6.7
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling mustache v0.6.3
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling serde v0.6.15
[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] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling url v0.2.38
[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" "32fe30937bb2e548630b55cd991e585d31c4567ad5871fc6bde78ef4b96fb8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fe30937bb2e548630b55cd991e585d31c4567ad5871fc6bde78ef4b96fb8e9", kill_on_drop: false }`
[INFO] [stdout] 32fe30937bb2e548630b55cd991e585d31c4567ad5871fc6bde78ef4b96fb8e9