[INFO] updating cached repository https://github.com/gilbertw1/adventure-rust-future-tokio-code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3231c9284db3c57f3f3cfb42ba7b4b6147b723ec [INFO] testing gilbertw1/adventure-rust-future-tokio-code against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertw1%2Fadventure-rust-future-tokio-code" "/workspace/builds/worker-99/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gilbertw1/adventure-rust-future-tokio-code on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gilbertw1/adventure-rust-future-tokio-code [INFO] finished tweaking git repo https://github.com/gilbertw1/adventure-rust-future-tokio-code [INFO] tweaked toml for git repo https://github.com/gilbertw1/adventure-rust-future-tokio-code written to /workspace/builds/worker-99/source/Cargo.toml [INFO] crate git repo https://github.com/gilbertw1/adventure-rust-future-tokio-code already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b7d8502814b728826bd27399eda5491fb01c3f7948da8e9d16e3ed4b7295f4a [INFO] running `Command { std: "docker" "start" "-a" "3b7d8502814b728826bd27399eda5491fb01c3f7948da8e9d16e3ed4b7295f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b7d8502814b728826bd27399eda5491fb01c3f7948da8e9d16e3ed4b7295f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b7d8502814b728826bd27399eda5491fb01c3f7948da8e9d16e3ed4b7295f4a", kill_on_drop: false }` [INFO] [stdout] 3b7d8502814b728826bd27399eda5491fb01c3f7948da8e9d16e3ed4b7295f4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 326b185ae0078e64136255d0aa489c67e4981b7b98ac9afce4a3e3c665c83433 [INFO] running `Command { std: "docker" "start" "-a" "326b185ae0078e64136255d0aa489c67e4981b7b98ac9afce4a3e3c665c83433", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling futures v0.1.23 [INFO] [stderr] Compiling byteorder v1.2.4 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling lazy_static v1.0.2 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling httparse v1.3.2 [INFO] [stderr] Compiling string v0.1.1 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling indexmap v1.0.1 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling crossbeam-epoch v0.4.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling crossbeam-deque v0.3.1 [INFO] [stderr] Compiling bytes v0.4.9 [INFO] [stderr] Compiling mio v0.6.15 [INFO] [stderr] Compiling http v0.1.10 [INFO] [stderr] Compiling tokio-executor v0.1.2 [INFO] [stderr] Compiling tokio-io v0.1.7 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.5 [INFO] [stderr] Compiling tokio-timer v0.2.4 [INFO] [stderr] Compiling tokio-reactor v0.1.2 [INFO] [stderr] Compiling tokio-codec v0.1.0 [INFO] [stderr] Compiling tokio-fs v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio-udp v0.1.1 [INFO] [stderr] Compiling tokio v0.1.7 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling h2 v0.1.12 [INFO] [stderr] Compiling domain v0.2.4 [INFO] [stderr] Compiling hyper v0.12.9 [INFO] [stderr] Compiling adventure-rust-future-and-tokio-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx }); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | request.sender.send(response); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | tx.send(resolv); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.96s [INFO] running `Command { std: "docker" "inspect" "326b185ae0078e64136255d0aa489c67e4981b7b98ac9afce4a3e3c665c83433", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "326b185ae0078e64136255d0aa489c67e4981b7b98ac9afce4a3e3c665c83433", kill_on_drop: false }` [INFO] [stdout] 326b185ae0078e64136255d0aa489c67e4981b7b98ac9afce4a3e3c665c83433 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b08178e7cf317cf7de4fafa50f3ab9f7827e5d1f5039cd7c83be2986b443d509 [INFO] running `Command { std: "docker" "start" "-a" "b08178e7cf317cf7de4fafa50f3ab9f7827e5d1f5039cd7c83be2986b443d509", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling adventure-rust-future-and-tokio-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx }); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | request.sender.send(response); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | tx.send(resolv); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.52s [INFO] running `Command { std: "docker" "inspect" "b08178e7cf317cf7de4fafa50f3ab9f7827e5d1f5039cd7c83be2986b443d509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b08178e7cf317cf7de4fafa50f3ab9f7827e5d1f5039cd7c83be2986b443d509", kill_on_drop: false }` [INFO] [stdout] b08178e7cf317cf7de4fafa50f3ab9f7827e5d1f5039cd7c83be2986b443d509 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a07abd145f5d780f6e4d17e24c3c1a647e30c4361168d1f5af5af6d149c4cb82 [INFO] running `Command { std: "docker" "start" "-a" "a07abd145f5d780f6e4d17e24c3c1a647e30c4361168d1f5af5af6d149c4cb82", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:111:13 [INFO] [stderr] | [INFO] [stderr] 111 | let result = self.request_sender.unbounded_send(ReverseLookupRequest { ip: ip, sender: resp_tx }); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | request.sender.send(response); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 125 | tx.send(resolv); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `adventure-rust-future-and-tokio-code` (bin "adventure-rust-future-and-tokio-code" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/adventure_rust_future_and_tokio_code-eeb9fcdd84320dfc) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a07abd145f5d780f6e4d17e24c3c1a647e30c4361168d1f5af5af6d149c4cb82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a07abd145f5d780f6e4d17e24c3c1a647e30c4361168d1f5af5af6d149c4cb82", kill_on_drop: false }` [INFO] [stdout] a07abd145f5d780f6e4d17e24c3c1a647e30c4361168d1f5af5af6d149c4cb82