Dec 17 21:00:39.618 INFO checking kvsari/message-queue against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:00:39.618 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/kvsari/message-queue:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:00:40.216 INFO [stdout] ff118007b38324183592ff9dfcac52f8f702b4bd5a09b34e7bb8902b4c52c477
Dec 17 21:00:40.224 INFO running `"docker" "start" "-a" "ff118007b38324183592ff9dfcac52f8f702b4bd5a09b34e7bb8902b4c52c477"`
Dec 17 21:00:41.786 INFO [stderr]     Checking net2 v0.2.30
Dec 17 21:00:41.786 INFO [stderr]     Checking bytes v0.4.4
Dec 17 21:00:41.792 INFO [stderr]    Compiling derive-getters v0.0.2
Dec 17 21:00:43.840 INFO [stderr]     Checking tokio-io v0.1.2
Dec 17 21:00:43.904 INFO [stderr]     Checking mio v0.6.10
Dec 17 21:00:46.125 INFO [stderr]     Checking tokio-core v0.1.9
Dec 17 21:00:47.470 INFO [stderr]     Checking message-queue v0.1.0 (/opt/crater/workdir)
Dec 17 21:00:47.704 INFO [stderr] warning: unused import: `stream`
Dec 17 21:00:47.704 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 17 21:00:47.704 INFO [stderr]   |
Dec 17 21:00:47.704 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 17 21:00:47.704 INFO [stderr]   |                                                ^^^^^^
Dec 17 21:00:47.704 INFO [stderr]   |
Dec 17 21:00:47.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:00:47.704 INFO [stderr] 
Dec 17 21:00:47.704 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 17 21:00:47.704 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 17 21:00:47.704 INFO [stderr]   |
Dec 17 21:00:47.704 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 17 21:00:47.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:00:47.704 INFO [stderr] 
Dec 17 21:00:47.704 INFO [stderr] warning: unused import: `Receiver`
Dec 17 21:00:47.704 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 17 21:00:47.704 INFO [stderr]   |
Dec 17 21:00:47.704 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 17 21:00:47.704 INFO [stderr]   |                                 ^^^^^^^^
Dec 17 21:00:47.704 INFO [stderr] 
Dec 17 21:00:47.704 INFO [stderr] warning: unused import: `Dispenser`
Dec 17 21:00:47.705 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 17 21:00:47.705 INFO [stderr]   |
Dec 17 21:00:47.705 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 17 21:00:47.705 INFO [stderr]   |                      ^^^^^^^^^
Dec 17 21:00:47.705 INFO [stderr] 
Dec 17 21:00:47.705 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 17 21:00:47.705 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 17 21:00:47.705 INFO [stderr]   |
Dec 17 21:00:47.705 INFO [stderr] 1 | use std::fmt::Debug;
Dec 17 21:00:47.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 21:00:47.705 INFO [stderr] 
Dec 17 21:00:47.705 INFO [stderr] warning: unused import: `Entry`
Dec 17 21:00:47.705 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 17 21:00:47.705 INFO [stderr]   |
Dec 17 21:00:47.705 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 17 21:00:47.705 INFO [stderr]   |                           ^^^^^
Dec 17 21:00:47.705 INFO [stderr] 
Dec 17 21:00:47.852 INFO [stderr] warning: unused variable: `data`
Dec 17 21:00:47.852 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 17 21:00:47.852 INFO [stderr]     |
Dec 17 21:00:47.852 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 17 21:00:47.852 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 17 21:00:47.852 INFO [stderr]     |
Dec 17 21:00:47.852 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 21:00:47.852 INFO [stderr] 
Dec 17 21:00:47.888 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:47.888 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 17 21:00:47.888 INFO [stderr]    |
Dec 17 21:00:47.888 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:47.888 INFO [stderr]    |                     ----^^^
Dec 17 21:00:47.888 INFO [stderr]    |                     |
Dec 17 21:00:47.888 INFO [stderr]    |                     help: remove this `mut`
Dec 17 21:00:47.888 INFO [stderr]    |
Dec 17 21:00:47.888 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:00:47.888 INFO [stderr] 
Dec 17 21:00:47.888 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:47.888 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 17 21:00:47.889 INFO [stderr]     |
Dec 17 21:00:47.889 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:47.889 INFO [stderr]     |                     ----^^^
Dec 17 21:00:47.889 INFO [stderr]     |                     |
Dec 17 21:00:47.889 INFO [stderr]     |                     help: remove this `mut`
Dec 17 21:00:47.889 INFO [stderr] 
Dec 17 21:00:47.889 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 17 21:00:47.889 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 17 21:00:47.889 INFO [stderr]    |
Dec 17 21:00:47.889 INFO [stderr] 18 |     Yeeehaw,
Dec 17 21:00:47.889 INFO [stderr]    |     ^^^^^^^
Dec 17 21:00:47.889 INFO [stderr]    |
Dec 17 21:00:47.889 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:00:47.889 INFO [stderr] 
Dec 17 21:00:47.889 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 17 21:00:47.889 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 17 21:00:47.889 INFO [stderr]    |
Dec 17 21:00:47.889 INFO [stderr] 24 |     Endpoint1,
Dec 17 21:00:47.889 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:47.889 INFO [stderr] 
Dec 17 21:00:47.889 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 17 21:00:47.889 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 17 21:00:47.889 INFO [stderr]    |
Dec 17 21:00:47.889 INFO [stderr] 25 |     Endpoint2,
Dec 17 21:00:47.889 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:47.889 INFO [stderr] 
Dec 17 21:00:47.932 INFO [stderr] warning: unused import: `stream`
Dec 17 21:00:47.932 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 17 21:00:47.932 INFO [stderr]   |
Dec 17 21:00:47.932 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 17 21:00:47.932 INFO [stderr]   |                                                ^^^^^^
Dec 17 21:00:47.932 INFO [stderr]   |
Dec 17 21:00:47.932 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:00:47.932 INFO [stderr] 
Dec 17 21:00:47.932 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 17 21:00:47.932 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 17 21:00:47.932 INFO [stderr]   |
Dec 17 21:00:47.932 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 17 21:00:47.932 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:00:47.932 INFO [stderr] 
Dec 17 21:00:47.932 INFO [stderr] warning: unused import: `Receiver`
Dec 17 21:00:47.932 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 17 21:00:47.932 INFO [stderr]   |
Dec 17 21:00:47.932 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 17 21:00:47.933 INFO [stderr]   |                                 ^^^^^^^^
Dec 17 21:00:47.933 INFO [stderr] 
Dec 17 21:00:47.933 INFO [stderr] warning: unused import: `Dispenser`
Dec 17 21:00:47.933 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 17 21:00:47.933 INFO [stderr]   |
Dec 17 21:00:47.933 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 17 21:00:47.933 INFO [stderr]   |                      ^^^^^^^^^
Dec 17 21:00:47.933 INFO [stderr] 
Dec 17 21:00:47.933 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 17 21:00:47.933 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 17 21:00:47.933 INFO [stderr]   |
Dec 17 21:00:47.933 INFO [stderr] 1 | use std::fmt::Debug;
Dec 17 21:00:47.933 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 21:00:47.933 INFO [stderr] 
Dec 17 21:00:47.933 INFO [stderr] warning: unused import: `Entry`
Dec 17 21:00:47.933 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 17 21:00:47.933 INFO [stderr]   |
Dec 17 21:00:47.933 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 17 21:00:47.933 INFO [stderr]   |                           ^^^^^
Dec 17 21:00:47.933 INFO [stderr] 
Dec 17 21:00:48.017 INFO [stderr] warning: unused variable: `data`
Dec 17 21:00:48.017 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 17 21:00:48.017 INFO [stderr]     |
Dec 17 21:00:48.017 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 17 21:00:48.017 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 17 21:00:48.017 INFO [stderr]     |
Dec 17 21:00:48.017 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 21:00:48.017 INFO [stderr] 
Dec 17 21:00:48.048 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:48.048 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 17 21:00:48.048 INFO [stderr]    |
Dec 17 21:00:48.048 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:48.048 INFO [stderr]    |                     ----^^^
Dec 17 21:00:48.048 INFO [stderr]    |                     |
Dec 17 21:00:48.048 INFO [stderr]    |                     help: remove this `mut`
Dec 17 21:00:48.048 INFO [stderr]    |
Dec 17 21:00:48.048 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:00:48.048 INFO [stderr] 
Dec 17 21:00:48.052 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:48.052 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 17 21:00:48.052 INFO [stderr]     |
Dec 17 21:00:48.052 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:48.052 INFO [stderr]     |                     ----^^^
Dec 17 21:00:48.052 INFO [stderr]     |                     |
Dec 17 21:00:48.052 INFO [stderr]     |                     help: remove this `mut`
Dec 17 21:00:48.052 INFO [stderr] 
Dec 17 21:00:48.052 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 17 21:00:48.052 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 17 21:00:48.052 INFO [stderr]    |
Dec 17 21:00:48.052 INFO [stderr] 18 |     Yeeehaw,
Dec 17 21:00:48.052 INFO [stderr]    |     ^^^^^^^
Dec 17 21:00:48.052 INFO [stderr]    |
Dec 17 21:00:48.052 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:00:48.052 INFO [stderr] 
Dec 17 21:00:48.052 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 17 21:00:48.052 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 17 21:00:48.052 INFO [stderr]    |
Dec 17 21:00:48.052 INFO [stderr] 24 |     Endpoint1,
Dec 17 21:00:48.052 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:48.052 INFO [stderr] 
Dec 17 21:00:48.052 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 17 21:00:48.052 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 17 21:00:48.052 INFO [stderr]    |
Dec 17 21:00:48.052 INFO [stderr] 25 |     Endpoint2,
Dec 17 21:00:48.052 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:48.053 INFO [stderr] 
Dec 17 21:00:48.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
Dec 17 21:00:49.058 INFO running `"docker" "inspect" "ff118007b38324183592ff9dfcac52f8f702b4bd5a09b34e7bb8902b4c52c477"`
Dec 17 21:00:49.336 INFO running `"docker" "rm" "-f" "ff118007b38324183592ff9dfcac52f8f702b4bd5a09b34e7bb8902b4c52c477"`
Dec 17 21:00:49.700 INFO [stdout] ff118007b38324183592ff9dfcac52f8f702b4bd5a09b34e7bb8902b4c52c477