[INFO] cloning repository https://github.com/zaubermaerchen/echod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaubermaerchen/echod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaubermaerchen%2Fechod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaubermaerchen%2Fechod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a292d3aaf345b01f7ea0738a4c0cea03afb5fea6
[INFO] checking zaubermaerchen/echod against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaubermaerchen%2Fechod" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaubermaerchen/echod on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zaubermaerchen/echod
[INFO] finished tweaking git repo https://github.com/zaubermaerchen/echod
[INFO] tweaked toml for git repo https://github.com/zaubermaerchen/echod written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zaubermaerchen/echod already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 497898bcd5581d45fda90bd624fd2485430cd0e907d93b32a90d253f5fd699e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "497898bcd5581d45fda90bd624fd2485430cd0e907d93b32a90d253f5fd699e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497898bcd5581d45fda90bd624fd2485430cd0e907d93b32a90d253f5fd699e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497898bcd5581d45fda90bd624fd2485430cd0e907d93b32a90d253f5fd699e3", kill_on_drop: false }`
[INFO] [stdout] 497898bcd5581d45fda90bd624fd2485430cd0e907d93b32a90d253f5fd699e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62a0eb56f0e62a783521b294ab8f1fb1dd605a90fb99f894cc7107bc103b9eab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62a0eb56f0e62a783521b294ab8f1fb1dd605a90fb99f894cc7107bc103b9eab", 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] [stderr]     Checking echod v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/echo/session.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let address = try!(stream.peer_addr());
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/echo/session.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut stream_clone = try!(stream.try_clone());
[INFO] [stdout]   |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/echo/session.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     try!(io::copy(&mut stream_clone, &mut stream));
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/echo/mod.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let listener = try!(TcpListener::bind(self.address.as_str()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/echo/mod.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let stream = try!(stream);
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/echo/session.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let address = try!(stream.peer_addr());
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/echo/session.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut stream_clone = try!(stream.try_clone());
[INFO] [stdout]   |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/echo/session.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     try!(io::copy(&mut stream_clone, &mut stream));
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/echo/mod.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let listener = try!(TcpListener::bind(self.address.as_str()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/echo/mod.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let stream = try!(stream);
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `Command { std: "docker" "inspect" "62a0eb56f0e62a783521b294ab8f1fb1dd605a90fb99f894cc7107bc103b9eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a0eb56f0e62a783521b294ab8f1fb1dd605a90fb99f894cc7107bc103b9eab", kill_on_drop: false }`
[INFO] [stdout] 62a0eb56f0e62a783521b294ab8f1fb1dd605a90fb99f894cc7107bc103b9eab