[INFO] cloning repository https://github.com/mxinden/rust-libp2p-relay-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mxinden/rust-libp2p-relay-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxinden%2Frust-libp2p-relay-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxinden%2Frust-libp2p-relay-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 221a7ba7d4be78f2f4885da694365add72cb7d9a
[INFO] checking mxinden/rust-libp2p-relay-server against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxinden%2Frust-libp2p-relay-server" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxinden/rust-libp2p-relay-server 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 git repo https://github.com/mxinden/rust-libp2p-relay-server
[INFO] finished tweaking git repo https://github.com/mxinden/rust-libp2p-relay-server
[INFO] tweaked toml for git repo https://github.com/mxinden/rust-libp2p-relay-server written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mxinden/rust-libp2p-relay-server already has a lockfile, it will not be regenerated
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a794aa5c983fb35e02fc236d807630e6f52e3c0f8e28bd8809f4f37a08590f0c" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a9cdd306cffdbcbbee424b7480fb406ae21260011455e99b910c9104c23f760
[INFO] running `Command { std: "docker" "start" "-a" "1a9cdd306cffdbcbbee424b7480fb406ae21260011455e99b910c9104c23f760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a9cdd306cffdbcbbee424b7480fb406ae21260011455e99b910c9104c23f760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9cdd306cffdbcbbee424b7480fb406ae21260011455e99b910c9104c23f760", kill_on_drop: false }`
[INFO] [stdout] 1a9cdd306cffdbcbbee424b7480fb406ae21260011455e99b910c9104c23f760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a794aa5c983fb35e02fc236d807630e6f52e3c0f8e28bd8809f4f37a08590f0c" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bfe9939b691eeef4acae02d8a7a1449105eee6e3399577cf743f9693b0124d9
[INFO] running `Command { std: "docker" "start" "-a" "7bfe9939b691eeef4acae02d8a7a1449105eee6e3399577cf743f9693b0124d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
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[INFO] [stderr]     Checking libp2p-metrics v0.13.1 (https://github.com/libp2p/rust-libp2p#6478fafc)
[INFO] [stderr]     Checking libp2p-autonat v0.11.0 (https://github.com/libp2p/rust-libp2p#6478fafc)
[INFO] [stderr]     Checking async-session v2.0.1
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rust-libp2p-98135dbcf5b63918/6478faf/misc/metrics/src/identify.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 |   const ALLOWED_PROTOCOLS: &[StreamProtocol] = &[
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 64 | |     #[cfg(feature = "dcutr")]
[INFO] [stdout] 65 | |     libp2p_dcutr::PROTOCOL_NAME,
[INFO] [stdout] 66 | |     // #[cfg(feature = "gossipsub")]
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     libp2p_relay::HOP_PROTOCOL_NAME,
[INFO] [stdout] 78 | | ];
[INFO] [stdout]    | |_^ this borrow of an interior mutable value may end up in the final value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quinn v0.10.1
[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 `libp2p-metrics` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7bfe9939b691eeef4acae02d8a7a1449105eee6e3399577cf743f9693b0124d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfe9939b691eeef4acae02d8a7a1449105eee6e3399577cf743f9693b0124d9", kill_on_drop: false }`
[INFO] [stdout] 7bfe9939b691eeef4acae02d8a7a1449105eee6e3399577cf743f9693b0124d9
