[INFO] cloning repository https://github.com/KeisukeToyota/socket-programming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeisukeToyota/socket-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fsocket-programming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fsocket-programming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2f5d734b8a9a4ddb2c8fb9308063cea07d11a4
[INFO] checking KeisukeToyota/socket-programming against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fsocket-programming" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeisukeToyota/socket-programming on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KeisukeToyota/socket-programming
[INFO] finished tweaking git repo https://github.com/KeisukeToyota/socket-programming
[INFO] tweaked toml for git repo https://github.com/KeisukeToyota/socket-programming written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/KeisukeToyota/socket-programming already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ac4fc72ac698ca4d19b9d5825876a3cee9a685c06fa06ece793f654d5859f77
[INFO] running `Command { std: "docker" "start" "-a" "0ac4fc72ac698ca4d19b9d5825876a3cee9a685c06fa06ece793f654d5859f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac4fc72ac698ca4d19b9d5825876a3cee9a685c06fa06ece793f654d5859f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac4fc72ac698ca4d19b9d5825876a3cee9a685c06fa06ece793f654d5859f77", kill_on_drop: false }`
[INFO] [stdout] 0ac4fc72ac698ca4d19b9d5825876a3cee9a685c06fa06ece793f654d5859f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cdf58db12c6f0df28065ba8d528670a0379d65214713d86c99a489049baee20
[INFO] running `Command { std: "docker" "start" "-a" "8cdf58db12c6f0df28065ba8d528670a0379d65214713d86c99a489049baee20", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking socket-programming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.40s
[INFO] running `Command { std: "docker" "inspect" "8cdf58db12c6f0df28065ba8d528670a0379d65214713d86c99a489049baee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdf58db12c6f0df28065ba8d528670a0379d65214713d86c99a489049baee20", kill_on_drop: false }`
[INFO] [stdout] 8cdf58db12c6f0df28065ba8d528670a0379d65214713d86c99a489049baee20