[INFO] crate gadu 0.1.3 is already in cache
[INFO] extracting crate gadu 0.1.3 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/gadu/0.1.3
[INFO] extracting crate gadu 0.1.3 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/gadu/0.1.3
[INFO] validating manifest of gadu-0.1.3 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gadu-0.1.3 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gadu-0.1.3
[INFO] finished frobbing gadu-0.1.3
[INFO] frobbed toml for gadu-0.1.3 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/gadu/0.1.3/Cargo.toml
[INFO] started frobbing gadu-0.1.3
[INFO] finished frobbing gadu-0.1.3
[INFO] frobbed toml for gadu-0.1.3 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/gadu/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gadu-0.1.3 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/gadu/0.1.3:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9d421e1e3acc886d6e636668ba1a2d1df29e24111a8ee1143577ca3302c3d372
[INFO] running `"docker" "start" "-a" "9d421e1e3acc886d6e636668ba1a2d1df29e24111a8ee1143577ca3302c3d372"`
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking gadu v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network_server.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn server_loop(&self, net_event_handler: Arc<NetEvents>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn NetEvents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network_server.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn server_loop(&self, net_event_handler: Arc<NetEvents>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn NetEvents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     use std::thread;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conn::Conn`
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use crate::conn::Conn;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::server::Server`
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use crate::server::Server;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_buffer`
[INFO] [stderr]    --> src/events.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_read_buffer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_handler`
[INFO] [stderr]    --> src/events.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         event_handler: &T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_event_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_buffer`
[INFO] [stderr]    --> src/events.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_read_buffer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_handler`
[INFO] [stderr]    --> src/events.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         event_handler: &T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_event_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `close_connection`
[INFO] [stderr]    --> src/events.rs:404:5
[INFO] [stderr]     |
[INFO] [stderr] 404 | /     fn close_connection<T>(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool
[INFO] [stderr] 405 | |         where T: NetEvents + 'static + Sync + Send + Sized{
[INFO] [stderr] 406 | |         debug!("Socket is closed.. shutting down");
[INFO] [stderr] 407 | |         let mut close = true;
[INFO] [stderr] ...   |
[INFO] [stderr] 423 | |         close
[INFO] [stderr] 424 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_event`
[INFO] [stderr]    --> src/events.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 | /     fn handle_event<T>(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool
[INFO] [stderr] 427 | |         where T: NetEvents + 'static + Sync + Send + Sized{
[INFO] [stderr] 428 | |         let mut close = false;
[INFO] [stderr] 429 | |         loop {
[INFO] [stderr] ...   |
[INFO] [stderr] 447 | |         close
[INFO] [stderr] 448 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `close_connection`
[INFO] [stderr]    --> src/events.rs:404:5
[INFO] [stderr]     |
[INFO] [stderr] 404 | /     fn close_connection<T>(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool
[INFO] [stderr] 405 | |         where T: NetEvents + 'static + Sync + Send + Sized{
[INFO] [stderr] 406 | |         debug!("Socket is closed.. shutting down");
[INFO] [stderr] 407 | |         let mut close = true;
[INFO] [stderr] ...   |
[INFO] [stderr] 423 | |         close
[INFO] [stderr] 424 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_event`
[INFO] [stderr]    --> src/events.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 | /     fn handle_event<T>(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool
[INFO] [stderr] 427 | |         where T: NetEvents + 'static + Sync + Send + Sized{
[INFO] [stderr] 428 | |         let mut close = false;
[INFO] [stderr] 429 | |         loop {
[INFO] [stderr] ...   |
[INFO] [stderr] 447 | |         close
[INFO] [stderr] 448 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `"docker" "inspect" "9d421e1e3acc886d6e636668ba1a2d1df29e24111a8ee1143577ca3302c3d372"`
[INFO] running `"docker" "rm" "-f" "9d421e1e3acc886d6e636668ba1a2d1df29e24111a8ee1143577ca3302c3d372"`
[INFO] [stdout] 9d421e1e3acc886d6e636668ba1a2d1df29e24111a8ee1143577ca3302c3d372