Dec 19 12:05:47.609 INFO checking nacika-ins/actix-sample against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:05:47.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/nacika-ins/actix-sample:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:05:48.036 INFO [stdout] 6faebf3701398122fa7e788a9486cdb1e83e5f6328b8a6ad7dd5ec39649f0ca7
Dec 19 12:05:48.042 INFO running `"docker" "start" "-a" "6faebf3701398122fa7e788a9486cdb1e83e5f6328b8a6ad7dd5ec39649f0ca7"`
Dec 19 12:05:49.392 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 19 12:05:50.340 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 19 12:05:50.342 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 19 12:05:50.344 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 19 12:05:50.345 INFO [stderr]     Checking tokio-signal v0.2.7
Dec 19 12:05:51.795 INFO [stderr]     Checking trust-dns-proto v0.5.0
Dec 19 12:05:51.881 INFO [stderr]     Checking tokio v0.1.13
Dec 19 12:05:55.612 INFO [stderr]     Checking trust-dns-resolver v0.10.0
Dec 19 12:05:57.295 INFO [stderr]     Checking actix v0.7.7
Dec 19 12:05:59.917 INFO [stderr]     Checking act v0.1.0 (/opt/crater/workdir)
Dec 19 12:06:00.620 INFO [stderr] warning: unused import: `std::thread`
Dec 19 12:06:00.620 INFO [stderr]  --> src/actor/supervisor_actor.rs:4:5
Dec 19 12:06:00.620 INFO [stderr]   |
Dec 19 12:06:00.620 INFO [stderr] 4 | use std::thread;
Dec 19 12:06:00.620 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 12:06:00.620 INFO [stderr]   |
Dec 19 12:06:00.620 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:06:00.620 INFO [stderr] 
Dec 19 12:06:00.620 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 12:06:00.620 INFO [stderr]  --> src/actor/supervisor_actor.rs:5:5
Dec 19 12:06:00.620 INFO [stderr]   |
Dec 19 12:06:00.620 INFO [stderr] 5 | use std::time::Duration;
Dec 19 12:06:00.620 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:06:00.620 INFO [stderr] 
Dec 19 12:06:00.620 INFO [stderr] warning: unused import: `std::thread`
Dec 19 12:06:00.620 INFO [stderr]  --> src/actor/sample_actor.rs:2:5
Dec 19 12:06:00.620 INFO [stderr]   |
Dec 19 12:06:00.620 INFO [stderr] 2 | use std::thread;
Dec 19 12:06:00.620 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 12:06:00.620 INFO [stderr] 
Dec 19 12:06:00.620 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 12:06:00.620 INFO [stderr]  --> src/actor/sample_actor.rs:3:5
Dec 19 12:06:00.620 INFO [stderr]   |
Dec 19 12:06:00.620 INFO [stderr] 3 | use std::time::Duration;
Dec 19 12:06:00.620 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:06:00.620 INFO [stderr] 
Dec 19 12:06:00.620 INFO [stderr] warning: unused import: `tokio`
Dec 19 12:06:00.620 INFO [stderr]  --> src/actor/ping_actor.rs:5:5
Dec 19 12:06:00.620 INFO [stderr]   |
Dec 19 12:06:00.620 INFO [stderr] 5 | use tokio;
Dec 19 12:06:00.620 INFO [stderr]   |     ^^^^^
Dec 19 12:06:00.620 INFO [stderr] 
Dec 19 12:06:00.620 INFO [stderr] warning: unused imports: `Supervised`, `msgs`
Dec 19 12:06:00.620 INFO [stderr]  --> src/main.rs:6:13
Dec 19 12:06:00.620 INFO [stderr]   |
Dec 19 12:06:00.620 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 19 12:06:00.620 INFO [stderr]   |             ^^^^         ^^^^^^^^^^
Dec 19 12:06:00.620 INFO [stderr] 
Dec 19 12:06:00.636 INFO [stderr] warning: unused import: `std::thread`
Dec 19 12:06:00.636 INFO [stderr]  --> src/actor/supervisor_actor.rs:4:5
Dec 19 12:06:00.636 INFO [stderr]   |
Dec 19 12:06:00.636 INFO [stderr] 4 | use std::thread;
Dec 19 12:06:00.636 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 12:06:00.636 INFO [stderr]   |
Dec 19 12:06:00.636 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:06:00.636 INFO [stderr] 
Dec 19 12:06:00.636 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 12:06:00.636 INFO [stderr]  --> src/actor/supervisor_actor.rs:5:5
Dec 19 12:06:00.637 INFO [stderr]   |
Dec 19 12:06:00.637 INFO [stderr] 5 | use std::time::Duration;
Dec 19 12:06:00.637 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:06:00.637 INFO [stderr] 
Dec 19 12:06:00.637 INFO [stderr] warning: unused import: `std::thread`
Dec 19 12:06:00.637 INFO [stderr]  --> src/actor/sample_actor.rs:2:5
Dec 19 12:06:00.637 INFO [stderr]   |
Dec 19 12:06:00.637 INFO [stderr] 2 | use std::thread;
Dec 19 12:06:00.637 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 12:06:00.637 INFO [stderr] 
Dec 19 12:06:00.637 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 12:06:00.637 INFO [stderr]  --> src/actor/sample_actor.rs:3:5
Dec 19 12:06:00.637 INFO [stderr]   |
Dec 19 12:06:00.637 INFO [stderr] 3 | use std::time::Duration;
Dec 19 12:06:00.637 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:06:00.637 INFO [stderr] 
Dec 19 12:06:00.637 INFO [stderr] warning: unused import: `tokio`
Dec 19 12:06:00.637 INFO [stderr]  --> src/actor/ping_actor.rs:5:5
Dec 19 12:06:00.637 INFO [stderr]   |
Dec 19 12:06:00.637 INFO [stderr] 5 | use tokio;
Dec 19 12:06:00.637 INFO [stderr]   |     ^^^^^
Dec 19 12:06:00.637 INFO [stderr] 
Dec 19 12:06:00.637 INFO [stderr] warning: unused imports: `Supervised`, `msgs`
Dec 19 12:06:00.637 INFO [stderr]  --> src/main.rs:6:13
Dec 19 12:06:00.637 INFO [stderr]   |
Dec 19 12:06:00.637 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 19 12:06:00.637 INFO [stderr]   |             ^^^^         ^^^^^^^^^^
Dec 19 12:06:00.637 INFO [stderr] 
Dec 19 12:06:00.665 INFO [stderr] warning: unused import: `Actor`
Dec 19 12:06:00.665 INFO [stderr]  --> src/main.rs:6:19
Dec 19 12:06:00.665 INFO [stderr]   |
Dec 19 12:06:00.665 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 19 12:06:00.665 INFO [stderr]   |                   ^^^^^
Dec 19 12:06:00.665 INFO [stderr] 
Dec 19 12:06:00.668 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.668 INFO [stderr]   --> src/actor/supervisor_actor.rs:27:27
Dec 19 12:06:00.668 INFO [stderr]    |
Dec 19 12:06:00.668 INFO [stderr] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 19 12:06:00.668 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.668 INFO [stderr]    |
Dec 19 12:06:00.668 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:06:00.668 INFO [stderr] 
Dec 19 12:06:00.668 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.668 INFO [stderr]   --> src/actor/supervisor_actor.rs:42:30
Dec 19 12:06:00.668 INFO [stderr]    |
Dec 19 12:06:00.668 INFO [stderr] 42 |     fn restarting(&mut self, ctx: &mut <Self as Actor>::Context) {
Dec 19 12:06:00.668 INFO [stderr]    |                              ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.668 INFO [stderr] 
Dec 19 12:06:00.668 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.668 INFO [stderr]   --> src/actor/sample_actor.rs:11:27
Dec 19 12:06:00.668 INFO [stderr]    |
Dec 19 12:06:00.668 INFO [stderr] 11 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 19 12:06:00.668 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.668 INFO [stderr] 
Dec 19 12:06:00.668 INFO [stderr] warning: unused variable: `msg`
Dec 19 12:06:00.668 INFO [stderr]   --> src/actor/sample_actor.rs:33:26
Dec 19 12:06:00.669 INFO [stderr]    |
Dec 19 12:06:00.669 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 19 12:06:00.669 INFO [stderr]    |                          ^^^ help: consider using `_msg` instead
Dec 19 12:06:00.669 INFO [stderr] 
Dec 19 12:06:00.669 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.669 INFO [stderr]   --> src/actor/sample_actor.rs:33:37
Dec 19 12:06:00.669 INFO [stderr]    |
Dec 19 12:06:00.669 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 19 12:06:00.669 INFO [stderr]    |                                     ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.669 INFO [stderr] 
Dec 19 12:06:00.669 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.669 INFO [stderr]   --> src/actor/ping_actor.rs:12:27
Dec 19 12:06:00.669 INFO [stderr]    |
Dec 19 12:06:00.669 INFO [stderr] 12 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 19 12:06:00.669 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.669 INFO [stderr] 
Dec 19 12:06:00.680 INFO [stderr] warning: unused import: `Actor`
Dec 19 12:06:00.680 INFO [stderr]  --> src/main.rs:6:19
Dec 19 12:06:00.680 INFO [stderr]   |
Dec 19 12:06:00.680 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 19 12:06:00.680 INFO [stderr]   |                   ^^^^^
Dec 19 12:06:00.680 INFO [stderr] 
Dec 19 12:06:00.680 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.680 INFO [stderr]   --> src/actor/supervisor_actor.rs:27:27
Dec 19 12:06:00.680 INFO [stderr]    |
Dec 19 12:06:00.680 INFO [stderr] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 19 12:06:00.680 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.680 INFO [stderr]    |
Dec 19 12:06:00.680 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:06:00.680 INFO [stderr] 
Dec 19 12:06:00.680 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.680 INFO [stderr]   --> src/actor/supervisor_actor.rs:42:30
Dec 19 12:06:00.680 INFO [stderr]    |
Dec 19 12:06:00.680 INFO [stderr] 42 |     fn restarting(&mut self, ctx: &mut <Self as Actor>::Context) {
Dec 19 12:06:00.680 INFO [stderr]    |                              ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.680 INFO [stderr] 
Dec 19 12:06:00.680 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.680 INFO [stderr]   --> src/actor/sample_actor.rs:11:27
Dec 19 12:06:00.680 INFO [stderr]    |
Dec 19 12:06:00.680 INFO [stderr] 11 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 19 12:06:00.680 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.681 INFO [stderr] 
Dec 19 12:06:00.681 INFO [stderr] warning: unused variable: `msg`
Dec 19 12:06:00.681 INFO [stderr]   --> src/actor/sample_actor.rs:33:26
Dec 19 12:06:00.681 INFO [stderr]    |
Dec 19 12:06:00.681 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 19 12:06:00.681 INFO [stderr]    |                          ^^^ help: consider using `_msg` instead
Dec 19 12:06:00.681 INFO [stderr] 
Dec 19 12:06:00.681 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.681 INFO [stderr]   --> src/actor/sample_actor.rs:33:37
Dec 19 12:06:00.681 INFO [stderr]    |
Dec 19 12:06:00.681 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 19 12:06:00.681 INFO [stderr]    |                                     ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.681 INFO [stderr] 
Dec 19 12:06:00.681 INFO [stderr] warning: unused variable: `ctx`
Dec 19 12:06:00.681 INFO [stderr]   --> src/actor/ping_actor.rs:12:27
Dec 19 12:06:00.681 INFO [stderr]    |
Dec 19 12:06:00.681 INFO [stderr] 12 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 19 12:06:00.681 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 19 12:06:00.681 INFO [stderr] 
Dec 19 12:06:00.687 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:06:00.687 INFO [stderr]   --> src/actor/ping_actor.rs:35:9
Dec 19 12:06:00.687 INFO [stderr]    |
Dec 19 12:06:00.687 INFO [stderr] 35 | /         thread::Builder::new().name("ping-thread".to_string()).spawn(move || {
Dec 19 12:06:00.687 INFO [stderr] 36 | |             loop {
Dec 19 12:06:00.687 INFO [stderr] 37 | |                 println!("ping");
Dec 19 12:06:00.687 INFO [stderr] 38 | |                 msg.actor.do_send(Ping{});
Dec 19 12:06:00.687 INFO [stderr] ...  |
Dec 19 12:06:00.687 INFO [stderr] 45 | |             println!("loop end");
Dec 19 12:06:00.687 INFO [stderr] 46 | |         });
Dec 19 12:06:00.687 INFO [stderr]    | |___________^
Dec 19 12:06:00.687 INFO [stderr]    |
Dec 19 12:06:00.687 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 12:06:00.687 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:06:00.687 INFO [stderr] 
Dec 19 12:06:00.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:06:00.699 INFO [stderr]   --> src/actor/ping_actor.rs:35:9
Dec 19 12:06:00.699 INFO [stderr]    |
Dec 19 12:06:00.699 INFO [stderr] 35 | /         thread::Builder::new().name("ping-thread".to_string()).spawn(move || {
Dec 19 12:06:00.699 INFO [stderr] 36 | |             loop {
Dec 19 12:06:00.699 INFO [stderr] 37 | |                 println!("ping");
Dec 19 12:06:00.699 INFO [stderr] 38 | |                 msg.actor.do_send(Ping{});
Dec 19 12:06:00.699 INFO [stderr] ...  |
Dec 19 12:06:00.699 INFO [stderr] 45 | |             println!("loop end");
Dec 19 12:06:00.699 INFO [stderr] 46 | |         });
Dec 19 12:06:00.699 INFO [stderr]    | |___________^
Dec 19 12:06:00.699 INFO [stderr]    |
Dec 19 12:06:00.699 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 12:06:00.699 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:06:00.699 INFO [stderr] 
Dec 19 12:06:00.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
Dec 19 12:06:01.052 INFO running `"docker" "inspect" "6faebf3701398122fa7e788a9486cdb1e83e5f6328b8a6ad7dd5ec39649f0ca7"`
Dec 19 12:06:01.160 INFO running `"docker" "rm" "-f" "6faebf3701398122fa7e788a9486cdb1e83e5f6328b8a6ad7dd5ec39649f0ca7"`
Dec 19 12:06:01.296 INFO [stdout] 6faebf3701398122fa7e788a9486cdb1e83e5f6328b8a6ad7dd5ec39649f0ca7