[INFO] fetching crate renet_udp 0.0.2...
[INFO] checking renet_udp-0.0.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate renet_udp 0.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate renet_udp 0.0.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate renet_udp 0.0.2
[INFO] finished tweaking crates.io crate renet_udp 0.0.2
[INFO] tweaked toml for crates.io crate renet_udp 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate renet_udp 0.0.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.132
[INFO] [stderr]   Downloaded renet v0.0.4
[INFO] [stderr]   Downloaded quote v1.0.12
[INFO] [stderr]   Downloaded serde v1.0.132
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70a361b6b4b406abeb60859eb1cbd63f5cf6768ecddcbcc6a8a0d52af4def7a6
[INFO] running `Command { std: "docker" "start" "-a" "70a361b6b4b406abeb60859eb1cbd63f5cf6768ecddcbcc6a8a0d52af4def7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70a361b6b4b406abeb60859eb1cbd63f5cf6768ecddcbcc6a8a0d52af4def7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a361b6b4b406abeb60859eb1cbd63f5cf6768ecddcbcc6a8a0d52af4def7a6", kill_on_drop: false }`
[INFO] [stdout] 70a361b6b4b406abeb60859eb1cbd63f5cf6768ecddcbcc6a8a0d52af4def7a6
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c235f0eed05e11087a2f148a0e96b3d39f49cf3f257af5e43ddc4f63a9f8cf7a
[INFO] running `Command { std: "docker" "start" "-a" "c235f0eed05e11087a2f148a0e96b3d39f49cf3f257af5e43ddc4f63a9f8cf7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking renet v0.0.4
[INFO] [stderr]     Checking renet_udp v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "c235f0eed05e11087a2f148a0e96b3d39f49cf3f257af5e43ddc4f63a9f8cf7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c235f0eed05e11087a2f148a0e96b3d39f49cf3f257af5e43ddc4f63a9f8cf7a", kill_on_drop: false }`
[INFO] [stdout] c235f0eed05e11087a2f148a0e96b3d39f49cf3f257af5e43ddc4f63a9f8cf7a