Dec 11 15:03:16.108 INFO checking kvsari/message-queue against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 15:03:16.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 15:03:16.572 INFO [stdout] 5b58c33670ca0f2ac5d98f722aac5478046b97a1ea542c6e910b08faf7b73ad1
Dec 11 15:03:16.572 INFO running `"docker" "start" "-a" "5b58c33670ca0f2ac5d98f722aac5478046b97a1ea542c6e910b08faf7b73ad1"`
Dec 11 15:03:17.620 INFO [stderr] usermod: no changes
Dec 11 15:03:17.720 INFO [stderr]    Compiling derive-getters v0.0.2
Dec 11 15:03:20.076 INFO [stderr]     Checking message-queue v0.1.0 (/source)
Dec 11 15:03:21.005 INFO [stderr] warning: unused import: `stream`
Dec 11 15:03:21.005 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 11 15:03:21.005 INFO [stderr]   |
Dec 11 15:03:21.005 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 11 15:03:21.005 INFO [stderr]   |                                                ^^^^^^
Dec 11 15:03:21.005 INFO [stderr]   |
Dec 11 15:03:21.005 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:03:21.005 INFO [stderr] 
Dec 11 15:03:21.005 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 11 15:03:21.005 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 11 15:03:21.005 INFO [stderr]   |
Dec 11 15:03:21.005 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 11 15:03:21.005 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:03:21.005 INFO [stderr] 
Dec 11 15:03:21.005 INFO [stderr] warning: unused import: `Receiver`
Dec 11 15:03:21.005 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 11 15:03:21.005 INFO [stderr]   |
Dec 11 15:03:21.005 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 11 15:03:21.005 INFO [stderr]   |                                 ^^^^^^^^
Dec 11 15:03:21.005 INFO [stderr] 
Dec 11 15:03:21.005 INFO [stderr] warning: unused import: `Dispenser`
Dec 11 15:03:21.005 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 11 15:03:21.005 INFO [stderr]   |
Dec 11 15:03:21.005 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 11 15:03:21.005 INFO [stderr]   |                      ^^^^^^^^^
Dec 11 15:03:21.005 INFO [stderr] 
Dec 11 15:03:21.005 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 11 15:03:21.005 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 11 15:03:21.005 INFO [stderr]   |
Dec 11 15:03:21.005 INFO [stderr] 1 | use std::fmt::Debug;
Dec 11 15:03:21.005 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 15:03:21.005 INFO [stderr] 
Dec 11 15:03:21.005 INFO [stderr] warning: unused import: `Entry`
Dec 11 15:03:21.005 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 11 15:03:21.005 INFO [stderr]   |
Dec 11 15:03:21.005 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 11 15:03:21.005 INFO [stderr]   |                           ^^^^^
Dec 11 15:03:21.005 INFO [stderr] 
Dec 11 15:03:21.172 INFO [stderr] warning: unused variable: `data`
Dec 11 15:03:21.172 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 11 15:03:21.172 INFO [stderr]     |
Dec 11 15:03:21.172 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 11 15:03:21.172 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 11 15:03:21.180 INFO [stderr]     |
Dec 11 15:03:21.180 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 15:03:21.180 INFO [stderr] 
Dec 11 15:03:21.229 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:03:21.230 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 11 15:03:21.230 INFO [stderr]    |
Dec 11 15:03:21.230 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 11 15:03:21.230 INFO [stderr]    |                     ----^^^
Dec 11 15:03:21.230 INFO [stderr]    |                     |
Dec 11 15:03:21.230 INFO [stderr]    |                     help: remove this `mut`
Dec 11 15:03:21.249 INFO [stderr]    |
Dec 11 15:03:21.249 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:03:21.249 INFO [stderr] 
Dec 11 15:03:21.249 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:03:21.249 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 11 15:03:21.249 INFO [stderr]     |
Dec 11 15:03:21.249 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 11 15:03:21.249 INFO [stderr]     |                     ----^^^
Dec 11 15:03:21.249 INFO [stderr]     |                     |
Dec 11 15:03:21.249 INFO [stderr]     |                     help: remove this `mut`
Dec 11 15:03:21.249 INFO [stderr] 
Dec 11 15:03:21.250 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 11 15:03:21.250 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 11 15:03:21.250 INFO [stderr]    |
Dec 11 15:03:21.250 INFO [stderr] 18 |     Yeeehaw,
Dec 11 15:03:21.250 INFO [stderr]    |     ^^^^^^^
Dec 11 15:03:21.250 INFO [stderr]    |
Dec 11 15:03:21.250 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:03:21.250 INFO [stderr] 
Dec 11 15:03:21.250 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 11 15:03:21.250 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 11 15:03:21.250 INFO [stderr]    |
Dec 11 15:03:21.250 INFO [stderr] 24 |     Endpoint1,
Dec 11 15:03:21.250 INFO [stderr]    |     ^^^^^^^^^
Dec 11 15:03:21.250 INFO [stderr] 
Dec 11 15:03:21.250 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 11 15:03:21.250 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 11 15:03:21.250 INFO [stderr]    |
Dec 11 15:03:21.250 INFO [stderr] 25 |     Endpoint2,
Dec 11 15:03:21.250 INFO [stderr]    |     ^^^^^^^^^
Dec 11 15:03:21.250 INFO [stderr] 
Dec 11 15:03:21.539 INFO [stderr] warning: unused import: `stream`
Dec 11 15:03:21.539 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 11 15:03:21.539 INFO [stderr]   |
Dec 11 15:03:21.539 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 11 15:03:21.539 INFO [stderr]   |                                                ^^^^^^
Dec 11 15:03:21.539 INFO [stderr]   |
Dec 11 15:03:21.539 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:03:21.539 INFO [stderr] 
Dec 11 15:03:21.539 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 11 15:03:21.539 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 11 15:03:21.539 INFO [stderr]   |
Dec 11 15:03:21.539 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 11 15:03:21.539 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:03:21.539 INFO [stderr] 
Dec 11 15:03:21.539 INFO [stderr] warning: unused import: `Receiver`
Dec 11 15:03:21.539 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 11 15:03:21.539 INFO [stderr]   |
Dec 11 15:03:21.539 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 11 15:03:21.540 INFO [stderr]   |                                 ^^^^^^^^
Dec 11 15:03:21.540 INFO [stderr] 
Dec 11 15:03:21.540 INFO [stderr] warning: unused import: `Dispenser`
Dec 11 15:03:21.540 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 11 15:03:21.540 INFO [stderr]   |
Dec 11 15:03:21.540 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 11 15:03:21.540 INFO [stderr]   |                      ^^^^^^^^^
Dec 11 15:03:21.540 INFO [stderr] 
Dec 11 15:03:21.540 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 11 15:03:21.540 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 11 15:03:21.540 INFO [stderr]   |
Dec 11 15:03:21.540 INFO [stderr] 1 | use std::fmt::Debug;
Dec 11 15:03:21.540 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 15:03:21.540 INFO [stderr] 
Dec 11 15:03:21.540 INFO [stderr] warning: unused import: `Entry`
Dec 11 15:03:21.540 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 11 15:03:21.540 INFO [stderr]   |
Dec 11 15:03:21.540 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 11 15:03:21.540 INFO [stderr]   |                           ^^^^^
Dec 11 15:03:21.540 INFO [stderr] 
Dec 11 15:03:21.621 INFO [stderr] warning: unused variable: `data`
Dec 11 15:03:21.621 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 11 15:03:21.621 INFO [stderr]     |
Dec 11 15:03:21.621 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 11 15:03:21.621 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 11 15:03:21.621 INFO [stderr]     |
Dec 11 15:03:21.621 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 15:03:21.621 INFO [stderr] 
Dec 11 15:03:21.656 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:03:21.656 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 11 15:03:21.656 INFO [stderr]    |
Dec 11 15:03:21.656 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 11 15:03:21.656 INFO [stderr]    |                     ----^^^
Dec 11 15:03:21.656 INFO [stderr]    |                     |
Dec 11 15:03:21.656 INFO [stderr]    |                     help: remove this `mut`
Dec 11 15:03:21.660 INFO [stderr]    |
Dec 11 15:03:21.660 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:03:21.660 INFO [stderr] 
Dec 11 15:03:21.660 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:03:21.660 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 11 15:03:21.660 INFO [stderr]     |
Dec 11 15:03:21.660 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 11 15:03:21.660 INFO [stderr]     |                     ----^^^
Dec 11 15:03:21.660 INFO [stderr]     |                     |
Dec 11 15:03:21.660 INFO [stderr]     |                     help: remove this `mut`
Dec 11 15:03:21.660 INFO [stderr] 
Dec 11 15:03:21.668 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 11 15:03:21.668 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 11 15:03:21.668 INFO [stderr]    |
Dec 11 15:03:21.668 INFO [stderr] 18 |     Yeeehaw,
Dec 11 15:03:21.668 INFO [stderr]    |     ^^^^^^^
Dec 11 15:03:21.668 INFO [stderr]    |
Dec 11 15:03:21.668 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:03:21.668 INFO [stderr] 
Dec 11 15:03:21.668 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 11 15:03:21.668 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 11 15:03:21.668 INFO [stderr]    |
Dec 11 15:03:21.668 INFO [stderr] 24 |     Endpoint1,
Dec 11 15:03:21.668 INFO [stderr]    |     ^^^^^^^^^
Dec 11 15:03:21.668 INFO [stderr] 
Dec 11 15:03:21.668 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 11 15:03:21.668 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 11 15:03:21.668 INFO [stderr]    |
Dec 11 15:03:21.668 INFO [stderr] 25 |     Endpoint2,
Dec 11 15:03:21.668 INFO [stderr]    |     ^^^^^^^^^
Dec 11 15:03:21.668 INFO [stderr] 
Dec 11 15:03:21.712 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
Dec 11 15:03:21.714 INFO [stderr] su: No module specific data is present
Dec 11 15:03:23.046 INFO running `"docker" "inspect" "5b58c33670ca0f2ac5d98f722aac5478046b97a1ea542c6e910b08faf7b73ad1"`
Dec 11 15:03:23.420 INFO running `"docker" "rm" "-f" "5b58c33670ca0f2ac5d98f722aac5478046b97a1ea542c6e910b08faf7b73ad1"`
Dec 11 15:03:23.780 INFO [stdout] 5b58c33670ca0f2ac5d98f722aac5478046b97a1ea542c6e910b08faf7b73ad1