[INFO] fetching crate actix-telepathy 0.3.0...
[INFO] checking actix-telepathy-0.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate actix-telepathy 0.3.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate actix-telepathy 0.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-telepathy 0.3.0
[INFO] finished tweaking crates.io crate actix-telepathy 0.3.0
[INFO] tweaked toml for crates.io crate actix-telepathy 0.3.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5376cf9d67ed2ffacd722fcec2afdefec03d7599b4c7a33a6c83ccb9bad089a7
[INFO] running `Command { std: "docker" "start" "-a" "5376cf9d67ed2ffacd722fcec2afdefec03d7599b4c7a33a6c83ccb9bad089a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5376cf9d67ed2ffacd722fcec2afdefec03d7599b4c7a33a6c83ccb9bad089a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5376cf9d67ed2ffacd722fcec2afdefec03d7599b4c7a33a6c83ccb9bad089a7", kill_on_drop: false }`
[INFO] [stdout] 5376cf9d67ed2ffacd722fcec2afdefec03d7599b4c7a33a6c83ccb9bad089a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0093c787a5da9cf5cb1c2086ea1ac8f4d6975f7c4de4f026f97017f43227d55
[INFO] running `Command { std: "docker" "start" "-a" "a0093c787a5da9cf5cb1c2086ea1ac8f4d6975f7c4de4f026f97017f43227d55", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
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[INFO] [stderr]    Compiling actix-macros v0.2.2
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]    Compiling derivative v2.2.0
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[INFO] [stderr]     Checking trust-dns-proto v0.20.3
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[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling actix_telepathy_derive v0.2.0
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[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking flexbuffers v0.2.2
[INFO] [stderr]     Checking actix-telepathy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/network/mod.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         &self.writer.as_ref().unwrap().do_send(msg);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = &self.writer.as_ref().unwrap().do_send(msg);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/network/writer.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         &self.framed[0].write(msg);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = &self.framed[0].write(msg);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/network/mod.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         &self.writer.as_ref().unwrap().do_send(msg);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = &self.writer.as_ref().unwrap().do_send(msg);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/network/writer.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         &self.framed[0].write(msg);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = &self.framed[0].write(msg);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.22s
[INFO] running `Command { std: "docker" "inspect" "a0093c787a5da9cf5cb1c2086ea1ac8f4d6975f7c4de4f026f97017f43227d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0093c787a5da9cf5cb1c2086ea1ac8f4d6975f7c4de4f026f97017f43227d55", kill_on_drop: false }`
[INFO] [stdout] a0093c787a5da9cf5cb1c2086ea1ac8f4d6975f7c4de4f026f97017f43227d55
