[INFO] cloning repository https://github.com/prettydarnAwesome/laminar-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prettydarnAwesome/laminar-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FprettydarnAwesome%2Flaminar-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FprettydarnAwesome%2Flaminar-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b153fc30dc5cb41a4b6025542dcd4acf958c5ff [INFO] checking prettydarnAwesome/laminar-test against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FprettydarnAwesome%2Flaminar-test" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/prettydarnAwesome/laminar-test on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/prettydarnAwesome/laminar-test [INFO] finished tweaking git repo https://github.com/prettydarnAwesome/laminar-test [INFO] tweaked toml for git repo https://github.com/prettydarnAwesome/laminar-test written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/prettydarnAwesome/laminar-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a46d1bbfb2fb5eb89b33e75d35cdc6ecba8bdf052f2d624f32d438feaf310e2 [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" "3a46d1bbfb2fb5eb89b33e75d35cdc6ecba8bdf052f2d624f32d438feaf310e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a46d1bbfb2fb5eb89b33e75d35cdc6ecba8bdf052f2d624f32d438feaf310e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a46d1bbfb2fb5eb89b33e75d35cdc6ecba8bdf052f2d624f32d438feaf310e2", kill_on_drop: false }` [INFO] [stdout] 3a46d1bbfb2fb5eb89b33e75d35cdc6ecba8bdf052f2d624f32d438feaf310e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f2aa306a89c9b8e046d239e9cc6ed63286ecdb0cd6cfaab8b63f6c150e467cad [INFO] running `Command { std: "docker" "start" "-a" "f2aa306a89c9b8e046d239e9cc6ed63286ecdb0cd6cfaab8b63f6c150e467cad", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking laminar v0.3.2 [INFO] [stderr] Checking laminar-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut socket = net::UdpSocket::bind(LOCAL_BIND).expect("couldn't bind to address!"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut socket = net::UdpSocket::bind(SERVER_BIND).expect("couldn't bind to address!"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | stdin.read_line(&mut s); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | stdin.read_line(&mut s); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut socket = net::UdpSocket::bind(LOCAL_BIND).expect("couldn't bind to address!"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut socket = net::UdpSocket::bind(SERVER_BIND).expect("couldn't bind to address!"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | stdin.read_line(&mut s); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | stdin.read_line(&mut s); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.39s [INFO] running `Command { std: "docker" "inspect" "f2aa306a89c9b8e046d239e9cc6ed63286ecdb0cd6cfaab8b63f6c150e467cad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2aa306a89c9b8e046d239e9cc6ed63286ecdb0cd6cfaab8b63f6c150e467cad", kill_on_drop: false }` [INFO] [stdout] f2aa306a89c9b8e046d239e9cc6ed63286ecdb0cd6cfaab8b63f6c150e467cad