[INFO] cloning repository https://github.com/takuma-saito/rust_dns [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takuma-saito/rust_dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakuma-saito%2Frust_dns", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakuma-saito%2Frust_dns'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67768aac005dc55cc63c83bd90d2afd23cf44e02 [INFO] checking takuma-saito/rust_dns against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakuma-saito%2Frust_dns" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takuma-saito/rust_dns on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/takuma-saito/rust_dns [INFO] finished tweaking git repo https://github.com/takuma-saito/rust_dns [INFO] tweaked toml for git repo https://github.com/takuma-saito/rust_dns written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/takuma-saito/rust_dns already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c141d4d0ba182cc5ae2eb94976b88700b75aa5b3895b9a11b5a850b3606e299 [INFO] running `Command { std: "docker" "start" "-a" "4c141d4d0ba182cc5ae2eb94976b88700b75aa5b3895b9a11b5a850b3606e299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c141d4d0ba182cc5ae2eb94976b88700b75aa5b3895b9a11b5a850b3606e299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c141d4d0ba182cc5ae2eb94976b88700b75aa5b3895b9a11b5a850b3606e299", kill_on_drop: false }` [INFO] [stdout] 4c141d4d0ba182cc5ae2eb94976b88700b75aa5b3895b9a11b5a850b3606e299 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2aaf605656d8535e1bcab8d8a044b348a8545ea0a8ea9ae279569faa562d61e0 [INFO] running `Command { std: "docker" "start" "-a" "2aaf605656d8535e1bcab8d8a044b348a8545ea0a8ea9ae279569faa562d61e0", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] syn v1.0.5 (as host dependency): extra-traits [INFO] [stderr] tokio-executor v0.2.0-alpha.6: tracing [INFO] [stderr] tokio-net v0.2.0-alpha.6: tracing [INFO] [stderr] [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling pin-project-internal v0.4.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.6 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Compiling tracing-attributes v0.1.4 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Checking tracing v0.1.9 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.2 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking rust_dns v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (5 fixes) [INFO] [stdout] warning: use of deprecated associated function `std::slice::::connect`: renamed to join [INFO] [stdout] --> src/main.rs:142:6 [INFO] [stdout] | [INFO] [stdout] 142 | .connect("."); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::slice::::connect`: renamed to join [INFO] [stdout] --> src/main.rs:142:6 [INFO] [stdout] | [INFO] [stdout] 142 | .connect("."); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hex` [INFO] [stdout] --> src/main.rs:92:6 [INFO] [stdout] | [INFO] [stdout] 92 | fn hex(&self) -> String { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `job` [INFO] [stdout] --> src/main.rs:97:10 [INFO] [stdout] | [INFO] [stdout] 97 | async fn job((i, u): &(usize, usize)) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dispatch` [INFO] [stdout] --> src/main.rs:104:10 [INFO] [stdout] | [INFO] [stdout] 104 | async fn dispatch(_i: usize, requests: &[(usize, usize)]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/main.rs:112:10 [INFO] [stdout] | [INFO] [stdout] 112 | async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:99:3 [INFO] [stdout] | [INFO] [stdout] 99 | Delay::new(Duration::from_millis(((*u) * 100) as u64)).await; [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: variable `Pool` should have a snake case name [INFO] [stdout] --> src/main.rs:118:7 [INFO] [stdout] | [INFO] [stdout] 118 | let Pool = 30; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `pool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hex` [INFO] [stdout] --> src/main.rs:92:6 [INFO] [stdout] | [INFO] [stdout] 92 | fn hex(&self) -> String { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `job` [INFO] [stdout] --> src/main.rs:97:10 [INFO] [stdout] | [INFO] [stdout] 97 | async fn job((i, u): &(usize, usize)) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dispatch` [INFO] [stdout] --> src/main.rs:104:10 [INFO] [stdout] | [INFO] [stdout] 104 | async fn dispatch(_i: usize, requests: &[(usize, usize)]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/main.rs:112:10 [INFO] [stdout] | [INFO] [stdout] 112 | async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:99:3 [INFO] [stdout] | [INFO] [stdout] 99 | Delay::new(Duration::from_millis(((*u) * 100) as u64)).await; [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: variable `Pool` should have a snake case name [INFO] [stdout] --> src/main.rs:118:7 [INFO] [stdout] | [INFO] [stdout] 118 | let Pool = 30; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `pool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.29s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Compiling pin-project-internal v0.4.2 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.2 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking rust_dns v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: use of deprecated associated function `std::slice::::connect`: renamed to join [INFO] [stdout] --> src/main.rs:142:6 [INFO] [stdout] | [INFO] [stdout] 142 | .connect("."); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::slice::::connect`: renamed to join [INFO] [stdout] --> src/main.rs:142:6 [INFO] [stdout] | [INFO] [stdout] 142 | .connect("."); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hex` [INFO] [stdout] --> src/main.rs:92:6 [INFO] [stdout] | [INFO] [stdout] 92 | fn hex(&self) -> String { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `job` [INFO] [stdout] --> src/main.rs:97:10 [INFO] [stdout] | [INFO] [stdout] 97 | async fn job((i, u): &(usize, usize)) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dispatch` [INFO] [stdout] --> src/main.rs:104:10 [INFO] [stdout] | [INFO] [stdout] 104 | async fn dispatch(_i: usize, requests: &[(usize, usize)]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/main.rs:112:10 [INFO] [stdout] | [INFO] [stdout] 112 | async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hex` [INFO] [stdout] --> src/main.rs:92:6 [INFO] [stdout] | [INFO] [stdout] 92 | fn hex(&self) -> String { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `job` [INFO] [stdout] --> src/main.rs:97:10 [INFO] [stdout] | [INFO] [stdout] 97 | async fn job((i, u): &(usize, usize)) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dispatch` [INFO] [stdout] --> src/main.rs:104:10 [INFO] [stdout] | [INFO] [stdout] 104 | async fn dispatch(_i: usize, requests: &[(usize, usize)]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/main.rs:112:10 [INFO] [stdout] | [INFO] [stdout] 112 | async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:99:3 [INFO] [stdout] | [INFO] [stdout] 99 | Delay::new(Duration::from_millis(((*u) * 100) as u64)).await; [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: variable `Pool` should have a snake case name [INFO] [stdout] --> src/main.rs:118:7 [INFO] [stdout] | [INFO] [stdout] 118 | let Pool = 30; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `pool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:99:3 [INFO] [stdout] | [INFO] [stdout] 99 | Delay::new(Duration::from_millis(((*u) * 100) as u64)).await; [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: variable `Pool` should have a snake case name [INFO] [stdout] --> src/main.rs:118:7 [INFO] [stdout] | [INFO] [stdout] 118 | let Pool = 30; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `pool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.54s [INFO] running `Command { std: "docker" "inspect" "2aaf605656d8535e1bcab8d8a044b348a8545ea0a8ea9ae279569faa562d61e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2aaf605656d8535e1bcab8d8a044b348a8545ea0a8ea9ae279569faa562d61e0", kill_on_drop: false }` [INFO] [stdout] 2aaf605656d8535e1bcab8d8a044b348a8545ea0a8ea9ae279569faa562d61e0