Dec 18 12:02:29.193 INFO checking rspotify_hyper-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:02:29.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/rspotify_hyper/0.1.0:/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 18 12:02:29.587 INFO [stdout] 2346ce02684bae7c98f51acc1a5d05dc71ba943f5a59bfe93de6fe966fbec04f
Dec 18 12:02:29.589 INFO running `"docker" "start" "-a" "2346ce02684bae7c98f51acc1a5d05dc71ba943f5a59bfe93de6fe966fbec04f"`
Dec 18 12:02:31.584 INFO [stderr]    Compiling derive_builder_core v0.2.0
Dec 18 12:02:34.181 INFO [stderr]    Compiling derive_builder v0.5.1
Dec 18 12:02:36.324 INFO [stderr]     Checking rspotify v0.2.5
Dec 18 12:02:45.485 INFO [stderr]     Checking rspotify_hyper v0.1.0 (/opt/crater/workdir)
Dec 18 12:02:49.732 INFO [stderr] warning: unused import: `std::io`
Dec 18 12:02:49.732 INFO [stderr]   --> src/lib.rs:10:5
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr] 10 | use std::io;
Dec 18 12:02:49.732 INFO [stderr]    |     ^^^^^^^
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 12:02:49.732 INFO [stderr] 
Dec 18 12:02:49.732 INFO [stderr] warning: unused import: `hyper::Request`
Dec 18 12:02:49.732 INFO [stderr]   --> src/lib.rs:11:5
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr] 11 | use hyper::Request;
Dec 18 12:02:49.732 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 12:02:49.732 INFO [stderr] 
Dec 18 12:02:49.732 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 18 12:02:49.732 INFO [stderr]   --> src/lib.rs:17:5
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr] 17 | use std::net::Ipv4Addr;
Dec 18 12:02:49.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 12:02:49.732 INFO [stderr] 
Dec 18 12:02:49.732 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 18 12:02:49.732 INFO [stderr]   --> src/lib.rs:20:5
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr] 20 | use std::sync::mpsc::Sender;
Dec 18 12:02:49.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:02:49.732 INFO [stderr] 
Dec 18 12:02:49.732 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 18 12:02:49.732 INFO [stderr]   --> src/lib.rs:22:5
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr] 22 | use std::sync::Arc;
Dec 18 12:02:49.732 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 12:02:49.732 INFO [stderr] 
Dec 18 12:02:49.732 INFO [stderr] warning: unused import: `core::borrow::Borrow`
Dec 18 12:02:49.732 INFO [stderr]   --> src/lib.rs:23:5
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr] 23 | use core::borrow::Borrow;
Dec 18 12:02:49.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 12:02:49.732 INFO [stderr] 
Dec 18 12:02:49.732 INFO [stderr] warning: unused import: `std::sync::Mutex`
Dec 18 12:02:49.732 INFO [stderr]   --> src/lib.rs:24:5
Dec 18 12:02:49.732 INFO [stderr]    |
Dec 18 12:02:49.732 INFO [stderr] 24 | use std::sync::Mutex;
Dec 18 12:02:49.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 12:02:49.732 INFO [stderr] 
Dec 18 12:02:49.776 INFO [stderr] warning: unused import: `std::io`
Dec 18 12:02:49.776 INFO [stderr]   --> src/lib.rs:10:5
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr] 10 | use std::io;
Dec 18 12:02:49.776 INFO [stderr]    |     ^^^^^^^
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 12:02:49.776 INFO [stderr] 
Dec 18 12:02:49.776 INFO [stderr] warning: unused import: `hyper::Request`
Dec 18 12:02:49.776 INFO [stderr]   --> src/lib.rs:11:5
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr] 11 | use hyper::Request;
Dec 18 12:02:49.776 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 12:02:49.776 INFO [stderr] 
Dec 18 12:02:49.776 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 18 12:02:49.776 INFO [stderr]   --> src/lib.rs:17:5
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr] 17 | use std::net::Ipv4Addr;
Dec 18 12:02:49.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 12:02:49.776 INFO [stderr] 
Dec 18 12:02:49.776 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 18 12:02:49.776 INFO [stderr]   --> src/lib.rs:20:5
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr] 20 | use std::sync::mpsc::Sender;
Dec 18 12:02:49.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:02:49.776 INFO [stderr] 
Dec 18 12:02:49.776 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 18 12:02:49.776 INFO [stderr]   --> src/lib.rs:22:5
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr] 22 | use std::sync::Arc;
Dec 18 12:02:49.776 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 12:02:49.776 INFO [stderr] 
Dec 18 12:02:49.776 INFO [stderr] warning: unused import: `core::borrow::Borrow`
Dec 18 12:02:49.776 INFO [stderr]   --> src/lib.rs:23:5
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr] 23 | use core::borrow::Borrow;
Dec 18 12:02:49.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 12:02:49.776 INFO [stderr] 
Dec 18 12:02:49.776 INFO [stderr] warning: unused import: `std::sync::Mutex`
Dec 18 12:02:49.776 INFO [stderr]   --> src/lib.rs:24:5
Dec 18 12:02:49.776 INFO [stderr]    |
Dec 18 12:02:49.776 INFO [stderr] 24 | use std::sync::Mutex;
Dec 18 12:02:49.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 12:02:49.776 INFO [stderr] 
Dec 18 12:02:50.017 INFO [stderr] warning: unused import: `futures::Stream`
Dec 18 12:02:50.017 INFO [stderr]   --> src/lib.rs:18:5
Dec 18 12:02:50.017 INFO [stderr]    |
Dec 18 12:02:50.017 INFO [stderr] 18 | use futures::Stream;
Dec 18 12:02:50.017 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 12:02:50.017 INFO [stderr] 
Dec 18 12:02:50.019 INFO [stderr] warning: unused variable: `query`
Dec 18 12:02:50.019 INFO [stderr]   --> src/lib.rs:64:33
Dec 18 12:02:50.019 INFO [stderr]    |
Dec 18 12:02:50.024 INFO [stderr] 64 |                         let mut query = req.uri().query().unwrap_or("No query").to_string();
Dec 18 12:02:50.024 INFO [stderr]    |                                 ^^^^^ help: consider using `_query` instead
Dec 18 12:02:50.024 INFO [stderr]    |
Dec 18 12:02:50.024 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 12:02:50.024 INFO [stderr] 
Dec 18 12:02:50.024 INFO [stderr] warning: unused variable: `tx_stop`
Dec 18 12:02:50.024 INFO [stderr]   --> src/lib.rs:36:18
Dec 18 12:02:50.024 INFO [stderr]    |
Dec 18 12:02:50.024 INFO [stderr] 36 |             let (tx_stop, rx_stop) = futures::sync::oneshot::channel::<()>();
Dec 18 12:02:50.024 INFO [stderr]    |                  ^^^^^^^ help: consider using `_tx_stop` instead
Dec 18 12:02:50.024 INFO [stderr] 
Dec 18 12:02:50.024 INFO [stderr] warning: unused variable: `spotify_oauth`
Dec 18 12:02:50.024 INFO [stderr]   --> src/lib.rs:99:17
Dec 18 12:02:50.024 INFO [stderr]    |
Dec 18 12:02:50.024 INFO [stderr] 99 |             let spotify_oauth = spotify_oauth_2;
Dec 18 12:02:50.024 INFO [stderr]    |                 ^^^^^^^^^^^^^ help: consider using `_spotify_oauth` instead
Dec 18 12:02:50.024 INFO [stderr] 
Dec 18 12:02:50.091 INFO [stderr] warning: unused import: `futures::Stream`
Dec 18 12:02:50.091 INFO [stderr]   --> src/lib.rs:18:5
Dec 18 12:02:50.091 INFO [stderr]    |
Dec 18 12:02:50.091 INFO [stderr] 18 | use futures::Stream;
Dec 18 12:02:50.091 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 12:02:50.091 INFO [stderr] 
Dec 18 12:02:50.093 INFO [stderr] warning: unused variable: `query`
Dec 18 12:02:50.094 INFO [stderr]   --> src/lib.rs:64:33
Dec 18 12:02:50.094 INFO [stderr]    |
Dec 18 12:02:50.094 INFO [stderr] 64 |                         let mut query = req.uri().query().unwrap_or("No query").to_string();
Dec 18 12:02:50.094 INFO [stderr]    |                                 ^^^^^ help: consider using `_query` instead
Dec 18 12:02:50.094 INFO [stderr]    |
Dec 18 12:02:50.100 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 12:02:50.100 INFO [stderr] 
Dec 18 12:02:50.100 INFO [stderr] warning: unused variable: `tx_stop`
Dec 18 12:02:50.100 INFO [stderr]   --> src/lib.rs:36:18
Dec 18 12:02:50.100 INFO [stderr]    |
Dec 18 12:02:50.100 INFO [stderr] 36 |             let (tx_stop, rx_stop) = futures::sync::oneshot::channel::<()>();
Dec 18 12:02:50.100 INFO [stderr]    |                  ^^^^^^^ help: consider using `_tx_stop` instead
Dec 18 12:02:50.100 INFO [stderr] 
Dec 18 12:02:50.100 INFO [stderr] warning: unused variable: `spotify_oauth`
Dec 18 12:02:50.100 INFO [stderr]   --> src/lib.rs:99:17
Dec 18 12:02:50.100 INFO [stderr]    |
Dec 18 12:02:50.100 INFO [stderr] 99 |             let spotify_oauth = spotify_oauth_2;
Dec 18 12:02:50.100 INFO [stderr]    |                 ^^^^^^^^^^^^^ help: consider using `_spotify_oauth` instead
Dec 18 12:02:50.100 INFO [stderr] 
Dec 18 12:02:50.100 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:02:50.100 INFO [stderr]   --> src/lib.rs:64:29
Dec 18 12:02:50.100 INFO [stderr]    |
Dec 18 12:02:50.100 INFO [stderr] 64 |                         let mut query = req.uri().query().unwrap_or("No query").to_string();
Dec 18 12:02:50.100 INFO [stderr]    |                             ----^^^^^
Dec 18 12:02:50.100 INFO [stderr]    |                             |
Dec 18 12:02:50.100 INFO [stderr]    |                             help: remove this `mut`
Dec 18 12:02:50.100 INFO [stderr]    |
Dec 18 12:02:50.100 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 12:02:50.100 INFO [stderr] 
Dec 18 12:02:50.100 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:02:50.100 INFO [stderr]   --> src/lib.rs:64:29
Dec 18 12:02:50.100 INFO [stderr]    |
Dec 18 12:02:50.100 INFO [stderr] 64 |                         let mut query = req.uri().query().unwrap_or("No query").to_string();
Dec 18 12:02:50.100 INFO [stderr]    |                             ----^^^^^
Dec 18 12:02:50.101 INFO [stderr]    |                             |
Dec 18 12:02:50.101 INFO [stderr]    |                             help: remove this `mut`
Dec 18 12:02:50.101 INFO [stderr] 
Dec 18 12:02:50.190 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:02:50.190 INFO [stderr]   --> src/lib.rs:64:29
Dec 18 12:02:50.190 INFO [stderr]    |
Dec 18 12:02:50.190 INFO [stderr] 64 |                         let mut query = req.uri().query().unwrap_or("No query").to_string();
Dec 18 12:02:50.190 INFO [stderr]    |                             ----^^^^^
Dec 18 12:02:50.190 INFO [stderr]    |                             |
Dec 18 12:02:50.190 INFO [stderr]    |                             help: remove this `mut`
Dec 18 12:02:50.190 INFO [stderr]    |
Dec 18 12:02:50.191 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 12:02:50.191 INFO [stderr] 
Dec 18 12:02:50.200 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:02:50.201 INFO [stderr]   --> src/lib.rs:64:29
Dec 18 12:02:50.201 INFO [stderr]    |
Dec 18 12:02:50.201 INFO [stderr] 64 |                         let mut query = req.uri().query().unwrap_or("No query").to_string();
Dec 18 12:02:50.201 INFO [stderr]    |                             ----^^^^^
Dec 18 12:02:50.201 INFO [stderr]    |                             |
Dec 18 12:02:50.201 INFO [stderr]    |                             help: remove this `mut`
Dec 18 12:02:50.201 INFO [stderr] 
Dec 18 12:02:50.257 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.03s
Dec 18 12:02:50.998 INFO running `"docker" "inspect" "2346ce02684bae7c98f51acc1a5d05dc71ba943f5a59bfe93de6fe966fbec04f"`
Dec 18 12:02:51.320 INFO running `"docker" "rm" "-f" "2346ce02684bae7c98f51acc1a5d05dc71ba943f5a59bfe93de6fe966fbec04f"`
Dec 18 12:02:51.548 INFO [stdout] 2346ce02684bae7c98f51acc1a5d05dc71ba943f5a59bfe93de6fe966fbec04f