[INFO] cloning repository https://github.com/gokulakannan1905/rust-tcp-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gokulakannan1905/rust-tcp-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokulakannan1905%2Frust-tcp-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokulakannan1905%2Frust-tcp-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20f57e64c54f4edb8ee415a35715a77d90689d96
[INFO] building gokulakannan1905/rust-tcp-client against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokulakannan1905%2Frust-tcp-client" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gokulakannan1905/rust-tcp-client on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gokulakannan1905/rust-tcp-client
[INFO] finished tweaking git repo https://github.com/gokulakannan1905/rust-tcp-client
[INFO] tweaked toml for git repo https://github.com/gokulakannan1905/rust-tcp-client written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gokulakannan1905/rust-tcp-client 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpassword v7.0.0
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5506e143a548cefce3d16d6395b2a065e3277431f8b11bdfdd9b26c80af3ee5e
[INFO] running `Command { std: "docker" "start" "-a" "5506e143a548cefce3d16d6395b2a065e3277431f8b11bdfdd9b26c80af3ee5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5506e143a548cefce3d16d6395b2a065e3277431f8b11bdfdd9b26c80af3ee5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5506e143a548cefce3d16d6395b2a065e3277431f8b11bdfdd9b26c80af3ee5e", kill_on_drop: false }`
[INFO] [stdout] 5506e143a548cefce3d16d6395b2a065e3277431f8b11bdfdd9b26c80af3ee5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a9963fe5fc367bfaf51e2c6c7195c0076ce6f06ec8df95faa5b4a23b4fad3f6
[INFO] running `Command { std: "docker" "start" "-a" "6a9963fe5fc367bfaf51e2c6c7195c0076ce6f06ec8df95faa5b4a23b4fad3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.25.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rpassword v7.0.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling ctrlc v3.2.3
[INFO] [stderr]    Compiling tcp_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "6a9963fe5fc367bfaf51e2c6c7195c0076ce6f06ec8df95faa5b4a23b4fad3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9963fe5fc367bfaf51e2c6c7195c0076ce6f06ec8df95faa5b4a23b4fad3f6", kill_on_drop: false }`
[INFO] [stdout] 6a9963fe5fc367bfaf51e2c6c7195c0076ce6f06ec8df95faa5b4a23b4fad3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79071a083395f158f0fdf7b0245bb119d0d20183aa50e53deab54df0f2b465dd
[INFO] running `Command { std: "docker" "start" "-a" "79071a083395f158f0fdf7b0245bb119d0d20183aa50e53deab54df0f2b465dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "79071a083395f158f0fdf7b0245bb119d0d20183aa50e53deab54df0f2b465dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79071a083395f158f0fdf7b0245bb119d0d20183aa50e53deab54df0f2b465dd", kill_on_drop: false }`
[INFO] [stdout] 79071a083395f158f0fdf7b0245bb119d0d20183aa50e53deab54df0f2b465dd