[INFO] cloning repository https://github.com/rezzaghi/websockets-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rezzaghi/websockets-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frezzaghi%2Fwebsockets-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frezzaghi%2Fwebsockets-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d20ff94e46649b7f62de3ac4eb612fac5a6ec6b
[INFO] checking rezzaghi/websockets-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frezzaghi%2Fwebsockets-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rezzaghi/websockets-rust 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/rezzaghi/websockets-rust
[INFO] finished tweaking git repo https://github.com/rezzaghi/websockets-rust
[INFO] tweaked toml for git repo https://github.com/rezzaghi/websockets-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rezzaghi/websockets-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid-macro-internal v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 75bf06d8f71feb1e6341464042080e2f589b8a6c202bc95f3eb51dfb0c1ae111
[INFO] running `Command { std: "docker" "start" "-a" "75bf06d8f71feb1e6341464042080e2f589b8a6c202bc95f3eb51dfb0c1ae111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bf06d8f71feb1e6341464042080e2f589b8a6c202bc95f3eb51dfb0c1ae111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bf06d8f71feb1e6341464042080e2f589b8a6c202bc95f3eb51dfb0c1ae111", kill_on_drop: false }`
[INFO] [stdout] 75bf06d8f71feb1e6341464042080e2f589b8a6c202bc95f3eb51dfb0c1ae111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 32f175feaea15077ff52e722dd39665c974dfce16aaea610a084cc9259e0c10e
[INFO] running `Command { std: "docker" "start" "-a" "32f175feaea15077ff52e722dd39665c974dfce16aaea610a084cc9259e0c10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling uuid-macro-internal v1.4.1
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking chat-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.37s
[INFO] running `Command { std: "docker" "inspect" "32f175feaea15077ff52e722dd39665c974dfce16aaea610a084cc9259e0c10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f175feaea15077ff52e722dd39665c974dfce16aaea610a084cc9259e0c10e", kill_on_drop: false }`
[INFO] [stdout] 32f175feaea15077ff52e722dd39665c974dfce16aaea610a084cc9259e0c10e
[INFO] checking rezzaghi/websockets-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frezzaghi%2Fwebsockets-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rezzaghi/websockets-rust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rezzaghi/websockets-rust
[INFO] finished tweaking git repo https://github.com/rezzaghi/websockets-rust
[INFO] tweaked toml for git repo https://github.com/rezzaghi/websockets-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rezzaghi/websockets-rust 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f93262bf44af05c1d5b545fec0ea1f0bdb1a7525ed540155a5c85cb3a227d126
[INFO] running `Command { std: "docker" "start" "-a" "f93262bf44af05c1d5b545fec0ea1f0bdb1a7525ed540155a5c85cb3a227d126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f93262bf44af05c1d5b545fec0ea1f0bdb1a7525ed540155a5c85cb3a227d126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93262bf44af05c1d5b545fec0ea1f0bdb1a7525ed540155a5c85cb3a227d126", kill_on_drop: false }`
[INFO] [stdout] f93262bf44af05c1d5b545fec0ea1f0bdb1a7525ed540155a5c85cb3a227d126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7acd9b6478e0f6d0b69d68f3767473316a9e27c283e0e4a57f247183d605e7d1
[INFO] running `Command { std: "docker" "start" "-a" "7acd9b6478e0f6d0b69d68f3767473316a9e27c283e0e4a57f247183d605e7d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling uuid-macro-internal v1.4.1
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking chat-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.84s
[INFO] running `Command { std: "docker" "inspect" "7acd9b6478e0f6d0b69d68f3767473316a9e27c283e0e4a57f247183d605e7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acd9b6478e0f6d0b69d68f3767473316a9e27c283e0e4a57f247183d605e7d1", kill_on_drop: false }`
[INFO] [stdout] 7acd9b6478e0f6d0b69d68f3767473316a9e27c283e0e4a57f247183d605e7d1