[INFO] updating cached repository obaiyan/barragekyi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/obaiyan/barragekyi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/obaiyan/barragekyi" "work/ex/beta-1.38-1/sources/1.37.0/gh/obaiyan/barragekyi"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/obaiyan/barragekyi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/obaiyan/barragekyi" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/obaiyan/barragekyi"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/obaiyan/barragekyi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7529c813230fe12d778269e21967d77c80bda286
[INFO] sha for GitHub repo obaiyan/barragekyi: 7529c813230fe12d778269e21967d77c80bda286
[INFO] validating manifest of obaiyan/barragekyi on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of obaiyan/barragekyi on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing obaiyan/barragekyi
[INFO] finished frobbing obaiyan/barragekyi
[INFO] frobbed toml for obaiyan/barragekyi written to work/ex/beta-1.38-1/sources/1.37.0/gh/obaiyan/barragekyi/Cargo.toml
[INFO] started frobbing obaiyan/barragekyi
[INFO] finished frobbing obaiyan/barragekyi
[INFO] frobbed toml for obaiyan/barragekyi written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/obaiyan/barragekyi/Cargo.toml
[INFO] crate obaiyan/barragekyi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing obaiyan/barragekyi against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/obaiyan/barragekyi:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] db9f2291f4e9e7785950491712e6e80d8a712c53048f495509bc7417b5ac8058
[INFO] running `"docker" "start" "-a" "db9f2291f4e9e7785950491712e6e80d8a712c53048f495509bc7417b5ac8058"`
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling tokio-core v0.1.11
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.11
[INFO] [stderr]    Compiling barragekyi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]   --> src/client/barrage_client.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std;
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/client/barrage_client.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/barrage_client.rs:231:42
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn send_message(&mut self, message: &Message) {
[INFO] [stderr]     |                                          ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]    --> src/client/barrage_client.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let handler = thread::spawn(move || {
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/client/barrage_client.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client/barrage_client.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[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: function is never used: `print_bytes`
[INFO] [stderr]   --> src/client/barrage_client.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn print_bytes(data: &Vec<u8>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_hello`
[INFO] [stderr]   --> src/client/barrage_client.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn print_hello(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.37s
[INFO] running `"docker" "inspect" "db9f2291f4e9e7785950491712e6e80d8a712c53048f495509bc7417b5ac8058"`
[INFO] running `"docker" "rm" "-f" "db9f2291f4e9e7785950491712e6e80d8a712c53048f495509bc7417b5ac8058"`
[INFO] [stdout] db9f2291f4e9e7785950491712e6e80d8a712c53048f495509bc7417b5ac8058
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/obaiyan/barragekyi:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b376e470643ec2ca08a6ed668d4d48c4ffd37adb311b0dcaec12cc38e359ae9
[INFO] running `"docker" "start" "-a" "2b376e470643ec2ca08a6ed668d4d48c4ffd37adb311b0dcaec12cc38e359ae9"`
[INFO] [stderr]    Compiling barragekyi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]   --> src/client/barrage_client.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std;
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/client/barrage_client.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/barrage_client.rs:231:42
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn send_message(&mut self, message: &Message) {
[INFO] [stderr]     |                                          ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]    --> src/client/barrage_client.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let handler = thread::spawn(move || {
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/client/barrage_client.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client/barrage_client.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[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: function is never used: `print_bytes`
[INFO] [stderr]   --> src/client/barrage_client.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn print_bytes(data: &Vec<u8>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_hello`
[INFO] [stderr]   --> src/client/barrage_client.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn print_hello(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "2b376e470643ec2ca08a6ed668d4d48c4ffd37adb311b0dcaec12cc38e359ae9"`
[INFO] running `"docker" "rm" "-f" "2b376e470643ec2ca08a6ed668d4d48c4ffd37adb311b0dcaec12cc38e359ae9"`
[INFO] [stdout] 2b376e470643ec2ca08a6ed668d4d48c4ffd37adb311b0dcaec12cc38e359ae9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/obaiyan/barragekyi:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f328a7ead3b12e3f6aee1ef2c4bdbb7241f5293d7fdb53fa7f2c72ac5896ef45
[INFO] running `"docker" "start" "-a" "f328a7ead3b12e3f6aee1ef2c4bdbb7241f5293d7fdb53fa7f2c72ac5896ef45"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/barragekyi-9e1f3bf3442c2a2c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f328a7ead3b12e3f6aee1ef2c4bdbb7241f5293d7fdb53fa7f2c72ac5896ef45"`
[INFO] running `"docker" "rm" "-f" "f328a7ead3b12e3f6aee1ef2c4bdbb7241f5293d7fdb53fa7f2c72ac5896ef45"`
[INFO] [stdout] f328a7ead3b12e3f6aee1ef2c4bdbb7241f5293d7fdb53fa7f2c72ac5896ef45