Dec 17 19:01:33.479 INFO checking nacika-ins/actix-sample against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:01:33.479 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:01:33.818 INFO [stdout] e00b67cc80add5eeb36878da83c2bda2b2bf485e6e170142df7144637ecab86a
Dec 17 19:01:33.820 INFO running `"docker" "start" "-a" "e00b67cc80add5eeb36878da83c2bda2b2bf485e6e170142df7144637ecab86a"`
Dec 17 19:01:36.046 INFO [stderr]     Checking mio v0.6.16
Dec 17 19:01:36.055 INFO [stderr]     Checking tokio-io v0.1.10
Dec 17 19:01:36.062 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 17 19:01:36.062 INFO [stderr]     Checking tokio-threadpool v0.1.9
Dec 17 19:01:39.177 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 17 19:01:39.358 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 17 19:01:39.366 INFO [stderr]     Checking mio-uds v0.6.7
Dec 17 19:01:39.367 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 17 19:01:40.869 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 17 19:01:40.869 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 17 19:01:40.869 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 17 19:01:40.869 INFO [stderr]     Checking tokio-signal v0.2.7
Dec 17 19:01:42.197 INFO [stderr]     Checking trust-dns-proto v0.5.0
Dec 17 19:01:42.666 INFO [stderr]     Checking tokio v0.1.13
Dec 17 19:01:45.644 INFO [stderr]     Checking trust-dns-resolver v0.10.0
Dec 17 19:01:47.448 INFO [stderr]     Checking actix v0.7.7
Dec 17 19:01:50.052 INFO [stderr]     Checking act v0.1.0 (/opt/crater/workdir)
Dec 17 19:01:50.892 INFO [stderr] warning: unused import: `std::thread`
Dec 17 19:01:50.892 INFO [stderr]  --> src/actor/supervisor_actor.rs:4:5
Dec 17 19:01:50.892 INFO [stderr]   |
Dec 17 19:01:50.892 INFO [stderr] 4 | use std::thread;
Dec 17 19:01:50.892 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 19:01:50.892 INFO [stderr]   |
Dec 17 19:01:50.892 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:01:50.892 INFO [stderr] 
Dec 17 19:01:50.892 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 19:01:50.892 INFO [stderr]  --> src/actor/supervisor_actor.rs:5:5
Dec 17 19:01:50.892 INFO [stderr]   |
Dec 17 19:01:50.892 INFO [stderr] 5 | use std::time::Duration;
Dec 17 19:01:50.892 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 19:01:50.892 INFO [stderr] 
Dec 17 19:01:50.892 INFO [stderr] warning: unused import: `std::thread`
Dec 17 19:01:50.892 INFO [stderr]  --> src/actor/sample_actor.rs:2:5
Dec 17 19:01:50.892 INFO [stderr]   |
Dec 17 19:01:50.892 INFO [stderr] 2 | use std::thread;
Dec 17 19:01:50.892 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 19:01:50.892 INFO [stderr] 
Dec 17 19:01:50.892 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 19:01:50.892 INFO [stderr]  --> src/actor/sample_actor.rs:3:5
Dec 17 19:01:50.892 INFO [stderr]   |
Dec 17 19:01:50.892 INFO [stderr] 3 | use std::time::Duration;
Dec 17 19:01:50.892 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 19:01:50.892 INFO [stderr] 
Dec 17 19:01:50.892 INFO [stderr] warning: unused import: `tokio`
Dec 17 19:01:50.892 INFO [stderr]  --> src/actor/ping_actor.rs:5:5
Dec 17 19:01:50.892 INFO [stderr]   |
Dec 17 19:01:50.892 INFO [stderr] 5 | use tokio;
Dec 17 19:01:50.892 INFO [stderr]   |     ^^^^^
Dec 17 19:01:50.892 INFO [stderr] 
Dec 17 19:01:50.892 INFO [stderr] warning: unused imports: `Supervised`, `msgs`
Dec 17 19:01:50.892 INFO [stderr]  --> src/main.rs:6:13
Dec 17 19:01:50.892 INFO [stderr]   |
Dec 17 19:01:50.892 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 17 19:01:50.892 INFO [stderr]   |             ^^^^         ^^^^^^^^^^
Dec 17 19:01:50.892 INFO [stderr] 
Dec 17 19:01:50.919 INFO [stderr] warning: unused import: `std::thread`
Dec 17 19:01:50.919 INFO [stderr]  --> src/actor/supervisor_actor.rs:4:5
Dec 17 19:01:50.919 INFO [stderr]   |
Dec 17 19:01:50.919 INFO [stderr] 4 | use std::thread;
Dec 17 19:01:50.919 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 19:01:50.919 INFO [stderr]   |
Dec 17 19:01:50.919 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:01:50.919 INFO [stderr] 
Dec 17 19:01:50.919 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 19:01:50.919 INFO [stderr]  --> src/actor/supervisor_actor.rs:5:5
Dec 17 19:01:50.919 INFO [stderr]   |
Dec 17 19:01:50.919 INFO [stderr] 5 | use std::time::Duration;
Dec 17 19:01:50.919 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 19:01:50.919 INFO [stderr] 
Dec 17 19:01:50.919 INFO [stderr] warning: unused import: `std::thread`
Dec 17 19:01:50.919 INFO [stderr]  --> src/actor/sample_actor.rs:2:5
Dec 17 19:01:50.919 INFO [stderr]   |
Dec 17 19:01:50.919 INFO [stderr] 2 | use std::thread;
Dec 17 19:01:50.919 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 19:01:50.919 INFO [stderr] 
Dec 17 19:01:50.919 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 19:01:50.919 INFO [stderr]  --> src/actor/sample_actor.rs:3:5
Dec 17 19:01:50.919 INFO [stderr]   |
Dec 17 19:01:50.919 INFO [stderr] 3 | use std::time::Duration;
Dec 17 19:01:50.919 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 19:01:50.919 INFO [stderr] 
Dec 17 19:01:50.919 INFO [stderr] warning: unused import: `tokio`
Dec 17 19:01:50.919 INFO [stderr]  --> src/actor/ping_actor.rs:5:5
Dec 17 19:01:50.920 INFO [stderr]   |
Dec 17 19:01:50.920 INFO [stderr] 5 | use tokio;
Dec 17 19:01:50.920 INFO [stderr]   |     ^^^^^
Dec 17 19:01:50.920 INFO [stderr] 
Dec 17 19:01:50.920 INFO [stderr] warning: unused imports: `Supervised`, `msgs`
Dec 17 19:01:50.920 INFO [stderr]  --> src/main.rs:6:13
Dec 17 19:01:50.920 INFO [stderr]   |
Dec 17 19:01:50.920 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 17 19:01:50.920 INFO [stderr]   |             ^^^^         ^^^^^^^^^^
Dec 17 19:01:50.920 INFO [stderr] 
Dec 17 19:01:50.944 INFO [stderr] warning: unused import: `Actor`
Dec 17 19:01:50.944 INFO [stderr]  --> src/main.rs:6:19
Dec 17 19:01:50.944 INFO [stderr]   |
Dec 17 19:01:50.944 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 17 19:01:50.944 INFO [stderr]   |                   ^^^^^
Dec 17 19:01:50.944 INFO [stderr] 
Dec 17 19:01:50.948 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.948 INFO [stderr]   --> src/actor/supervisor_actor.rs:27:27
Dec 17 19:01:50.948 INFO [stderr]    |
Dec 17 19:01:50.948 INFO [stderr] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 17 19:01:50.948 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.948 INFO [stderr]    |
Dec 17 19:01:50.948 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:01:50.948 INFO [stderr] 
Dec 17 19:01:50.948 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.948 INFO [stderr]   --> src/actor/supervisor_actor.rs:42:30
Dec 17 19:01:50.948 INFO [stderr]    |
Dec 17 19:01:50.948 INFO [stderr] 42 |     fn restarting(&mut self, ctx: &mut <Self as Actor>::Context) {
Dec 17 19:01:50.948 INFO [stderr]    |                              ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.948 INFO [stderr] 
Dec 17 19:01:50.948 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.948 INFO [stderr]   --> src/actor/sample_actor.rs:11:27
Dec 17 19:01:50.948 INFO [stderr]    |
Dec 17 19:01:50.949 INFO [stderr] 11 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 17 19:01:50.949 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.949 INFO [stderr] 
Dec 17 19:01:50.949 INFO [stderr] warning: unused variable: `msg`
Dec 17 19:01:50.949 INFO [stderr]   --> src/actor/sample_actor.rs:33:26
Dec 17 19:01:50.949 INFO [stderr]    |
Dec 17 19:01:50.949 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 17 19:01:50.949 INFO [stderr]    |                          ^^^ help: consider using `_msg` instead
Dec 17 19:01:50.949 INFO [stderr] 
Dec 17 19:01:50.949 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.949 INFO [stderr]   --> src/actor/sample_actor.rs:33:37
Dec 17 19:01:50.949 INFO [stderr]    |
Dec 17 19:01:50.949 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 17 19:01:50.949 INFO [stderr]    |                                     ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.949 INFO [stderr] 
Dec 17 19:01:50.949 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.949 INFO [stderr]   --> src/actor/ping_actor.rs:12:27
Dec 17 19:01:50.949 INFO [stderr]    |
Dec 17 19:01:50.949 INFO [stderr] 12 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 17 19:01:50.949 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.949 INFO [stderr] 
Dec 17 19:01:50.968 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:01:50.968 INFO [stderr]   --> src/actor/ping_actor.rs:35:9
Dec 17 19:01:50.968 INFO [stderr]    |
Dec 17 19:01:50.968 INFO [stderr] 35 | /         thread::Builder::new().name("ping-thread".to_string()).spawn(move || {
Dec 17 19:01:50.968 INFO [stderr] 36 | |             loop {
Dec 17 19:01:50.968 INFO [stderr] 37 | |                 println!("ping");
Dec 17 19:01:50.968 INFO [stderr] 38 | |                 msg.actor.do_send(Ping{});
Dec 17 19:01:50.968 INFO [stderr] ...  |
Dec 17 19:01:50.968 INFO [stderr] 45 | |             println!("loop end");
Dec 17 19:01:50.968 INFO [stderr] 46 | |         });
Dec 17 19:01:50.968 INFO [stderr]    | |___________^
Dec 17 19:01:50.968 INFO [stderr]    |
Dec 17 19:01:50.968 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:01:50.968 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:01:50.968 INFO [stderr] 
Dec 17 19:01:50.968 INFO [stderr] warning: unused import: `Actor`
Dec 17 19:01:50.968 INFO [stderr]  --> src/main.rs:6:19
Dec 17 19:01:50.969 INFO [stderr]   |
Dec 17 19:01:50.969 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised};
Dec 17 19:01:50.969 INFO [stderr]   |                   ^^^^^
Dec 17 19:01:50.969 INFO [stderr] 
Dec 17 19:01:50.969 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.969 INFO [stderr]   --> src/actor/supervisor_actor.rs:27:27
Dec 17 19:01:50.969 INFO [stderr]    |
Dec 17 19:01:50.969 INFO [stderr] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 17 19:01:50.969 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.969 INFO [stderr]    |
Dec 17 19:01:50.972 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:01:50.972 INFO [stderr] 
Dec 17 19:01:50.972 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.972 INFO [stderr]   --> src/actor/supervisor_actor.rs:42:30
Dec 17 19:01:50.972 INFO [stderr]    |
Dec 17 19:01:50.972 INFO [stderr] 42 |     fn restarting(&mut self, ctx: &mut <Self as Actor>::Context) {
Dec 17 19:01:50.972 INFO [stderr]    |                              ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.972 INFO [stderr] 
Dec 17 19:01:50.972 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.972 INFO [stderr]   --> src/actor/sample_actor.rs:11:27
Dec 17 19:01:50.972 INFO [stderr]    |
Dec 17 19:01:50.972 INFO [stderr] 11 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 17 19:01:50.972 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.972 INFO [stderr] 
Dec 17 19:01:50.972 INFO [stderr] warning: unused variable: `msg`
Dec 17 19:01:50.972 INFO [stderr]   --> src/actor/sample_actor.rs:33:26
Dec 17 19:01:50.972 INFO [stderr]    |
Dec 17 19:01:50.972 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 17 19:01:50.972 INFO [stderr]    |                          ^^^ help: consider using `_msg` instead
Dec 17 19:01:50.972 INFO [stderr] 
Dec 17 19:01:50.972 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.972 INFO [stderr]   --> src/actor/sample_actor.rs:33:37
Dec 17 19:01:50.972 INFO [stderr]    |
Dec 17 19:01:50.972 INFO [stderr] 33 |     fn handle(&mut self, msg: Ping, ctx: &mut Context<Self>) {
Dec 17 19:01:50.972 INFO [stderr]    |                                     ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.972 INFO [stderr] 
Dec 17 19:01:50.972 INFO [stderr] warning: unused variable: `ctx`
Dec 17 19:01:50.972 INFO [stderr]   --> src/actor/ping_actor.rs:12:27
Dec 17 19:01:50.972 INFO [stderr]    |
Dec 17 19:01:50.972 INFO [stderr] 12 |     fn started(&mut self, ctx: &mut Self::Context) {
Dec 17 19:01:50.972 INFO [stderr]    |                           ^^^ help: consider using `_ctx` instead
Dec 17 19:01:50.972 INFO [stderr] 
Dec 17 19:01:50.992 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:01:50.992 INFO [stderr]   --> src/actor/ping_actor.rs:35:9
Dec 17 19:01:50.992 INFO [stderr]    |
Dec 17 19:01:50.992 INFO [stderr] 35 | /         thread::Builder::new().name("ping-thread".to_string()).spawn(move || {
Dec 17 19:01:50.992 INFO [stderr] 36 | |             loop {
Dec 17 19:01:50.992 INFO [stderr] 37 | |                 println!("ping");
Dec 17 19:01:50.992 INFO [stderr] 38 | |                 msg.actor.do_send(Ping{});
Dec 17 19:01:50.992 INFO [stderr] ...  |
Dec 17 19:01:50.992 INFO [stderr] 45 | |             println!("loop end");
Dec 17 19:01:50.992 INFO [stderr] 46 | |         });
Dec 17 19:01:50.992 INFO [stderr]    | |___________^
Dec 17 19:01:50.992 INFO [stderr]    |
Dec 17 19:01:50.992 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:01:50.992 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:01:50.992 INFO [stderr] 
Dec 17 19:01:51.017 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.21s
Dec 17 19:01:51.416 INFO running `"docker" "inspect" "e00b67cc80add5eeb36878da83c2bda2b2bf485e6e170142df7144637ecab86a"`
Dec 17 19:01:51.535 INFO running `"docker" "rm" "-f" "e00b67cc80add5eeb36878da83c2bda2b2bf485e6e170142df7144637ecab86a"`
Dec 17 19:01:51.701 INFO [stdout] e00b67cc80add5eeb36878da83c2bda2b2bf485e6e170142df7144637ecab86a