[INFO] cloning repository https://github.com/fusionstrings/rust-sockets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fusionstrings/rust-sockets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffusionstrings%2Frust-sockets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffusionstrings%2Frust-sockets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48b5d166761e5954737fd7c23a0eda23ab1f7d40
[INFO] checking fusionstrings/rust-sockets against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffusionstrings%2Frust-sockets" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fusionstrings/rust-sockets 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/fusionstrings/rust-sockets
[INFO] finished tweaking git repo https://github.com/fusionstrings/rust-sockets
[INFO] tweaked toml for git repo https://github.com/fusionstrings/rust-sockets written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fusionstrings/rust-sockets 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 tungstenite v0.13.0
[INFO] [stderr]   Downloaded async-tungstenite v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8569ac99b990854752f31e8e6fd72a1c235a267f69b283250184059839a47ce8
[INFO] running `Command { std: "docker" "start" "-a" "8569ac99b990854752f31e8e6fd72a1c235a267f69b283250184059839a47ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8569ac99b990854752f31e8e6fd72a1c235a267f69b283250184059839a47ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8569ac99b990854752f31e8e6fd72a1c235a267f69b283250184059839a47ce8", kill_on_drop: false }`
[INFO] [stdout] 8569ac99b990854752f31e8e6fd72a1c235a267f69b283250184059839a47ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f946acebd517af4f002d23c02ea314486b3c0aee864c723c0969b939d613622f
[INFO] running `Command { std: "docker" "start" "-a" "f946acebd517af4f002d23c02ea314486b3c0aee864c723c0969b939d613622f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking async-tungstenite v0.13.1
[INFO] [stderr]     Checking rust-sockets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.41s
[INFO] running `Command { std: "docker" "inspect" "f946acebd517af4f002d23c02ea314486b3c0aee864c723c0969b939d613622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f946acebd517af4f002d23c02ea314486b3c0aee864c723c0969b939d613622f", kill_on_drop: false }`
[INFO] [stdout] f946acebd517af4f002d23c02ea314486b3c0aee864c723c0969b939d613622f
[INFO] checking fusionstrings/rust-sockets against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffusionstrings%2Frust-sockets" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fusionstrings/rust-sockets 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/fusionstrings/rust-sockets
[INFO] finished tweaking git repo https://github.com/fusionstrings/rust-sockets
[INFO] tweaked toml for git repo https://github.com/fusionstrings/rust-sockets written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fusionstrings/rust-sockets 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 710c9da1e93e84818f58e295a347acd5213007700b3183265a688f442057ed9f
[INFO] running `Command { std: "docker" "start" "-a" "710c9da1e93e84818f58e295a347acd5213007700b3183265a688f442057ed9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710c9da1e93e84818f58e295a347acd5213007700b3183265a688f442057ed9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710c9da1e93e84818f58e295a347acd5213007700b3183265a688f442057ed9f", kill_on_drop: false }`
[INFO] [stdout] 710c9da1e93e84818f58e295a347acd5213007700b3183265a688f442057ed9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5295ae35000279bb7b9d9140cf3e3ec1df9aa96ce6e183dea5cf7fb34d76a687
[INFO] running `Command { std: "docker" "start" "-a" "5295ae35000279bb7b9d9140cf3e3ec1df9aa96ce6e183dea5cf7fb34d76a687", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking async-tungstenite v0.13.1
[INFO] [stderr]     Checking rust-sockets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.04s
[INFO] running `Command { std: "docker" "inspect" "5295ae35000279bb7b9d9140cf3e3ec1df9aa96ce6e183dea5cf7fb34d76a687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5295ae35000279bb7b9d9140cf3e3ec1df9aa96ce6e183dea5cf7fb34d76a687", kill_on_drop: false }`
[INFO] [stdout] 5295ae35000279bb7b9d9140cf3e3ec1df9aa96ce6e183dea5cf7fb34d76a687