[INFO] fetching crate neptune-lang 0.1.3...
[INFO] checking neptune-lang-0.1.3 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate neptune-lang 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate neptune-lang 0.1.3 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neptune-lang 0.1.3
[INFO] finished tweaking crates.io crate neptune-lang 0.1.3
[INFO] tweaked toml for crates.io crate neptune-lang 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2feead88c326b1e9e327b28127d78f64536fd6f321c4dc3955f467e120ec491d
[INFO] running `Command { std: "docker" "start" "-a" "2feead88c326b1e9e327b28127d78f64536fd6f321c4dc3955f467e120ec491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2feead88c326b1e9e327b28127d78f64536fd6f321c4dc3955f467e120ec491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2feead88c326b1e9e327b28127d78f64536fd6f321c4dc3955f467e120ec491d", kill_on_drop: false }`
[INFO] [stdout] 2feead88c326b1e9e327b28127d78f64536fd6f321c4dc3955f467e120ec491d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3924a6c38a5f88aa9bb67124fa3c120547250fd9e831644532b5d16eafc2774
[INFO] running `Command { std: "docker" "start" "-a" "e3924a6c38a5f88aa9bb67124fa3c120547250fd9e831644532b5d16eafc2774", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.5.4
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling cxx-build v1.0.104
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.104
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.104
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cxx-build-1.0.104/src/syntax/namespace.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |         const ROOT: &Namespace = &Namespace::ROOT;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ this borrow of an interior mutable value may end up in the final value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parse_int v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-build` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cxxbridge-macro-1.0.104/src/syntax/namespace.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |         const ROOT: &Namespace = &Namespace::ROOT;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ this borrow of an interior mutable value may end up in the final value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxxbridge-macro` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e3924a6c38a5f88aa9bb67124fa3c120547250fd9e831644532b5d16eafc2774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3924a6c38a5f88aa9bb67124fa3c120547250fd9e831644532b5d16eafc2774", kill_on_drop: false }`
[INFO] [stdout] e3924a6c38a5f88aa9bb67124fa3c120547250fd9e831644532b5d16eafc2774
