[INFO] cloning repository https://github.com/sisou/libp2p-websocket-reproduction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sisou/libp2p-websocket-reproduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisou%2Flibp2p-websocket-reproduction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisou%2Flibp2p-websocket-reproduction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5df6c3666830c795bb5d8c6ea539b7befd99f4e
[INFO] checking sisou/libp2p-websocket-reproduction against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisou%2Flibp2p-websocket-reproduction" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sisou/libp2p-websocket-reproduction on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sisou/libp2p-websocket-reproduction
[INFO] finished tweaking git repo https://github.com/sisou/libp2p-websocket-reproduction
[INFO] tweaked toml for git repo https://github.com/sisou/libp2p-websocket-reproduction written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sisou/libp2p-websocket-reproduction 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/libp2p/rust-libp2p`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multihash v0.19.1
[INFO] [stderr]   Downloaded multiaddr v0.18.1
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.12
[INFO] [stderr]   Downloaded prometheus-client-derive-encode v0.4.2
[INFO] [stderr]   Downloaded yamux v0.13.1
[INFO] [stderr]   Downloaded futures-ticker v0.0.3
[INFO] [stderr]   Downloaded hex_fmt v0.3.0
[INFO] [stderr]   Downloaded asynchronous-codec v0.7.0
[INFO] [stderr]   Downloaded unsigned-varint v0.8.0
[INFO] [stderr]   Downloaded yamux v0.12.1
[INFO] [stderr]   Downloaded quick-protobuf v0.8.1
[INFO] [stderr]   Downloaded prometheus-client v0.22.2
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.14
[INFO] [stderr]   Downloaded libp2p-identity v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33dc45ba1751f133e22ef23214ed8130117b4617746bfa3f67b3f640bb38783a
[INFO] running `Command { std: "docker" "start" "-a" "33dc45ba1751f133e22ef23214ed8130117b4617746bfa3f67b3f640bb38783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33dc45ba1751f133e22ef23214ed8130117b4617746bfa3f67b3f640bb38783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dc45ba1751f133e22ef23214ed8130117b4617746bfa3f67b3f640bb38783a", kill_on_drop: false }`
[INFO] [stdout] 33dc45ba1751f133e22ef23214ed8130117b4617746bfa3f67b3f640bb38783a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8741e31e1d372c5a1bce7cbbbe248a8817c53e8fdb73a17ea5dbecb19d74f39
[INFO] running `Command { std: "docker" "start" "-a" "a8741e31e1d372c5a1bce7cbbbe248a8817c53e8fdb73a17ea5dbecb19d74f39", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking bs58 v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking send_wrapper v0.6.0
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking lru v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking libp2p-identity v0.2.8
[INFO] [stderr]     Checking multiaddr v0.18.1
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking multistream-select v0.13.0 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking rw-stream-sink v0.4.0 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking yamux v0.13.1
[INFO] [stderr]     Checking yamux v0.12.1
[INFO] [stderr]     Checking gloo-timers v0.2.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking libp2p-core v0.41.2 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p-swarm v0.44.2 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p-noise v0.44.0 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p-yamux v0.45.1 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p-connection-limits v0.3.1 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p-allow-block-list v0.3.0 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p-websocket-websys v0.3.1 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p v0.53.2 (https://github.com/libp2p/rust-libp2p?branch=master#36448799)
[INFO] [stderr]     Checking libp2p-websocket-reproduction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.62s
[INFO] running `Command { std: "docker" "inspect" "a8741e31e1d372c5a1bce7cbbbe248a8817c53e8fdb73a17ea5dbecb19d74f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8741e31e1d372c5a1bce7cbbbe248a8817c53e8fdb73a17ea5dbecb19d74f39", kill_on_drop: false }`
[INFO] [stdout] a8741e31e1d372c5a1bce7cbbbe248a8817c53e8fdb73a17ea5dbecb19d74f39