[INFO] cloning repository mhallin/loadbalancer-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/mhallin/loadbalancer-rs.git" "work/cache/sources/gh/mhallin/loadbalancer-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mhallin/loadbalancer-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mhallin/loadbalancer-rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mhallin/loadbalancer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mhallin/loadbalancer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mhallin/loadbalancer-rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mhallin/loadbalancer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mhallin/loadbalancer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a8713f76f54c3eb249a0366a07fd380b4a7424bc
[INFO] sha for GitHub repo mhallin/loadbalancer-rs: a8713f76f54c3eb249a0366a07fd380b4a7424bc
[INFO] validating manifest of mhallin/loadbalancer-rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mhallin/loadbalancer-rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mhallin/loadbalancer-rs
[INFO] finished frobbing mhallin/loadbalancer-rs
[INFO] frobbed toml for mhallin/loadbalancer-rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mhallin/loadbalancer-rs/Cargo.toml
[INFO] started frobbing mhallin/loadbalancer-rs
[INFO] finished frobbing mhallin/loadbalancer-rs
[INFO] frobbed toml for mhallin/loadbalancer-rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mhallin/loadbalancer-rs/Cargo.toml
[INFO] crate mhallin/loadbalancer-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mhallin/loadbalancer-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clippy v0.0.22
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mhallin/loadbalancer-rs against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mhallin/loadbalancer-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 57b5cb1126e60cd15ddeaab856c24550386342cc70d1599836c4e1a49372bc59
[INFO] running `"docker" "start" "-a" "57b5cb1126e60cd15ddeaab856c24550386342cc70d1599836c4e1a49372bc59"`
[INFO] [stderr]     Checking mio v0.4.4
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking loadbalancer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/driver.rs:234:52
[INFO] [stderr]     |
[INFO] [stderr] 234 |     use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/driver.rs:247:39
[INFO] [stderr]     |
[INFO] [stderr] 247 |     static PORT_NUMBER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/driver.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |         if let Some(mut connection) = self.incoming_connections.get_mut(token) {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/driver.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |             if let Some(mut connection) = self.incoming_connections.get_mut(incoming_token) {
[INFO] [stderr]     |                         ----^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/driver.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |         if let Some(mut connection) = self.incoming_connections.get_mut(token) {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/driver.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |             if let Some(mut connection) = self.incoming_connections.get_mut(incoming_token) {
[INFO] [stderr]     |                         ----^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Shutdown`
[INFO] [stderr]   --> src/driver.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Shutdown,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Reconfigure`
[INFO] [stderr]   --> src/driver.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Reconfigure(RootConfig),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `"docker" "inspect" "57b5cb1126e60cd15ddeaab856c24550386342cc70d1599836c4e1a49372bc59"`
[INFO] running `"docker" "rm" "-f" "57b5cb1126e60cd15ddeaab856c24550386342cc70d1599836c4e1a49372bc59"`
[INFO] [stdout] 57b5cb1126e60cd15ddeaab856c24550386342cc70d1599836c4e1a49372bc59