[INFO] cloning repository https://github.com/bp7968h/chat-app [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bp7968h/chat-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbp7968h%2Fchat-app", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbp7968h%2Fchat-app'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] abbb3254ab64d8647bf5d1223980b05129423042 [INFO] checking bp7968h/chat-app/abbb3254ab64d8647bf5d1223980b05129423042 against master#d1ed52b1f5b78bf66127b670af813b84d57aeedb for pr-146562 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbp7968h%2Fchat-app" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bp7968h/chat-app [INFO] finished tweaking git repo https://github.com/bp7968h/chat-app [INFO] tweaked toml for git repo https://github.com/bp7968h/chat-app written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bp7968h/chat-app on toolchain d1ed52b1f5b78bf66127b670af813b84d57aeedb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bp7968h/chat-app 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" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding byteorder v1.5.0 [INFO] [stderr] Adding gcc v0.3.55 [INFO] [stderr] Adding http-muncher v0.2.5 (available: v0.3.2) [INFO] [stderr] Adding rustc-serialize v0.3.25 [INFO] [stderr] Adding sha1 v0.1.1 (available: v0.10.6) [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded http-muncher v0.2.5 [INFO] [stderr] Downloaded mio v0.5.1 [INFO] [stderr] Downloaded bytes v0.3.0 [INFO] [stderr] Downloaded miow v0.1.5 [INFO] [stderr] Downloaded sha1 v0.1.1 [INFO] [stderr] Downloaded slab v0.1.3 [INFO] [stderr] Downloaded bitflags v0.4.0 [INFO] [stderr] Downloaded nix v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 651af280aa6582869e5da9ccbc70dd281dd1bb8f9d3c3970392e96a4916bd649 [INFO] running `Command { std: "docker" "start" "-a" "651af280aa6582869e5da9ccbc70dd281dd1bb8f9d3c3970392e96a4916bd649", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "651af280aa6582869e5da9ccbc70dd281dd1bb8f9d3c3970392e96a4916bd649", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "651af280aa6582869e5da9ccbc70dd281dd1bb8f9d3c3970392e96a4916bd649", kill_on_drop: false }` [INFO] [stdout] 651af280aa6582869e5da9ccbc70dd281dd1bb8f9d3c3970392e96a4916bd649 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10c73a7eb48851e899242e23f7a86ef13867bbb68264bd0505418f1c5d2220b6 [INFO] running `Command { std: "docker" "start" "-a" "10c73a7eb48851e899242e23f7a86ef13867bbb68264bd0505418f1c5d2220b6", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking slab v0.1.3 [INFO] [stderr] Checking bytes v0.3.0 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking sha1 v0.1.1 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | Ok(Some(len)) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/main.rs:145:40 [INFO] [stdout] | [INFO] [stdout] 145 | Ok(Some((sock, addr))) => sock, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | Ok(Some(len)) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/main.rs:145:40 [INFO] [stdout] | [INFO] [stdout] 145 | Ok(Some((sock, addr))) => sock, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "10c73a7eb48851e899242e23f7a86ef13867bbb68264bd0505418f1c5d2220b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10c73a7eb48851e899242e23f7a86ef13867bbb68264bd0505418f1c5d2220b6", kill_on_drop: false }` [INFO] [stdout] 10c73a7eb48851e899242e23f7a86ef13867bbb68264bd0505418f1c5d2220b6