[INFO] cloning repository https://github.com/eladeliav/rust_basic_chat_client_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eladeliav/rust_basic_chat_client_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feladeliav%2Frust_basic_chat_client_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feladeliav%2Frust_basic_chat_client_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54dc7eca77caaf048e903b5132da5c22b210a296
[INFO] building eladeliav/rust_basic_chat_client_server 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%2Feladeliav%2Frust_basic_chat_client_server" "/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/eladeliav/rust_basic_chat_client_server 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/eladeliav/rust_basic_chat_client_server
[INFO] finished tweaking git repo https://github.com/eladeliav/rust_basic_chat_client_server
[INFO] tweaked toml for git repo https://github.com/eladeliav/rust_basic_chat_client_server written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eladeliav/rust_basic_chat_client_server 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]     Blocking waiting for file lock on package cache
[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] 375c1e516b0e6a173684fe7975cd1a2947aa46c6b9e178c933f54445b3b717b1
[INFO] running `Command { std: "docker" "start" "-a" "375c1e516b0e6a173684fe7975cd1a2947aa46c6b9e178c933f54445b3b717b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375c1e516b0e6a173684fe7975cd1a2947aa46c6b9e178c933f54445b3b717b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375c1e516b0e6a173684fe7975cd1a2947aa46c6b9e178c933f54445b3b717b1", kill_on_drop: false }`
[INFO] [stdout] 375c1e516b0e6a173684fe7975cd1a2947aa46c6b9e178c933f54445b3b717b1
[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] 1cd71dcc7502a2caf6ce6479a8d8e1f5bfec6ff7b1e18baf6e3cc63f11fbde1d
[INFO] running `Command { std: "docker" "start" "-a" "1cd71dcc7502a2caf6ce6479a8d8e1f5bfec6ff7b1e18baf6e3cc63f11fbde1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/src/client)
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/src/server)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "1cd71dcc7502a2caf6ce6479a8d8e1f5bfec6ff7b1e18baf6e3cc63f11fbde1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd71dcc7502a2caf6ce6479a8d8e1f5bfec6ff7b1e18baf6e3cc63f11fbde1d", kill_on_drop: false }`
[INFO] [stdout] 1cd71dcc7502a2caf6ce6479a8d8e1f5bfec6ff7b1e18baf6e3cc63f11fbde1d
[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] 220c1bb8770c9e5b6029589c7526b84c387450a5518e6808dcd3d404aeb3f095
[INFO] running `Command { std: "docker" "start" "-a" "220c1bb8770c9e5b6029589c7526b84c387450a5518e6808dcd3d404aeb3f095", kill_on_drop: false }`
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/src/client)
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/src/server)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "220c1bb8770c9e5b6029589c7526b84c387450a5518e6808dcd3d404aeb3f095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220c1bb8770c9e5b6029589c7526b84c387450a5518e6808dcd3d404aeb3f095", kill_on_drop: false }`
[INFO] [stdout] 220c1bb8770c9e5b6029589c7526b84c387450a5518e6808dcd3d404aeb3f095