[INFO] cloning repository https://github.com/nacika-ins/actix-sample
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nacika-ins/actix-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacika-ins%2Factix-sample"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacika-ins%2Factix-sample'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 95995b4ae8749e20b260c9cefef9ed9374bdcb76
[INFO] checking nacika-ins/actix-sample against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacika-ins%2Factix-sample" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nacika-ins/actix-sample on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nacika-ins/actix-sample
[INFO] finished tweaking git repo https://github.com/nacika-ins/actix-sample
[INFO] tweaked toml for git repo https://github.com/nacika-ins/actix-sample written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nacika-ins/actix-sample already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f804e217b48e30e1157c3a4ddda541f1732f29fc362757a9f352a4df7d986858
[INFO] running `"docker" "start" "-a" "f804e217b48e30e1157c3a4ddda541f1732f29fc362757a9f352a4df7d986858"`
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.0
[INFO] [stderr]     Checking actix v0.7.7
[INFO] [stderr]     Checking act v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/actor/supervisor_actor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/actor/supervisor_actor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/actor/sample_actor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/actor/sample_actor.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio`
[INFO] [stderr]  --> src/actor/ping_actor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Supervised`, `msgs`
[INFO] [stderr]  --> src/main.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use actix::{msgs, Actor, Supervised};
[INFO] [stderr]   |             ^^^^         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Actor`
[INFO] [stderr]  --> src/main.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use actix::{msgs, Actor, Supervised};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/supervisor_actor.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/supervisor_actor.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn restarting(&mut self, ctx: &mut <Self as Actor>::Context) {
[INFO] [stderr]    |                              ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/sample_actor.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/actor/sample_actor.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/sample_actor.rs:33:37
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
[INFO] [stderr]    |                                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/ping_actor.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/actor/ping_actor.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         thread::Builder::new().name("ping-thread".to_string()).spawn(move || {
[INFO] [stderr] 36 | |             loop {
[INFO] [stderr] 37 | |                 println!("ping");
[INFO] [stderr] 38 | |                 msg.actor.do_send(Ping{});
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |             println!("loop end");
[INFO] [stderr] 46 | |         });
[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 import: `std::thread`
[INFO] [stderr]  --> src/actor/supervisor_actor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/actor/supervisor_actor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/actor/sample_actor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/actor/sample_actor.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio`
[INFO] [stderr]  --> src/actor/ping_actor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Supervised`, `msgs`
[INFO] [stderr]  --> src/main.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use actix::{msgs, Actor, Supervised};
[INFO] [stderr]   |             ^^^^         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Actor`
[INFO] [stderr]  --> src/main.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use actix::{msgs, Actor, Supervised};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/supervisor_actor.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/supervisor_actor.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn restarting(&mut self, ctx: &mut <Self as Actor>::Context) {
[INFO] [stderr]    |                              ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/sample_actor.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/actor/sample_actor.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/sample_actor.rs:33:37
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
[INFO] [stderr]    |                                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/actor/ping_actor.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/actor/ping_actor.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         thread::Builder::new().name("ping-thread".to_string()).spawn(move || {
[INFO] [stderr] 36 | |             loop {
[INFO] [stderr] 37 | |                 println!("ping");
[INFO] [stderr] 38 | |                 msg.actor.do_send(Ping{});
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |             println!("loop end");
[INFO] [stderr] 46 | |         });
[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]     Finished dev [unoptimized + debuginfo] target(s) in 30.98s
[INFO] running `"docker" "inspect" "f804e217b48e30e1157c3a4ddda541f1732f29fc362757a9f352a4df7d986858"`
[INFO] running `"docker" "rm" "-f" "f804e217b48e30e1157c3a4ddda541f1732f29fc362757a9f352a4df7d986858"`
[INFO] [stdout] f804e217b48e30e1157c3a4ddda541f1732f29fc362757a9f352a4df7d986858