[INFO] updating cached repository mhallin/loadbalancer-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mhallin/loadbalancer-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mhallin/loadbalancer-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mhallin/loadbalancer-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mhallin/loadbalancer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mhallin/loadbalancer-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhallin/loadbalancer-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 mhallin/loadbalancer-rs 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 mhallin/loadbalancer-rs
[INFO] finished frobbing mhallin/loadbalancer-rs
[INFO] frobbed toml for mhallin/loadbalancer-rs written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/mhallin/loadbalancer-rs/Cargo.toml
[INFO] crate mhallin/loadbalancer-rs 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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[INFO] the lockfile is outdated, regenerating it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/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 mhallin/loadbalancer-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhallin/loadbalancer-rs:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] be85d8b40c6ee42a81a9dfcd4caf5a28a32c12c50ef0c701c3a7844060e385f3
[INFO] running `"docker" "start" "-a" "be85d8b40c6ee42a81a9dfcd4caf5a28a32c12c50ef0c701c3a7844060e385f3"`
[INFO] [stderr]    Compiling bytes v0.2.11
[INFO] [stderr]    Compiling nix v0.3.10
[INFO] [stderr]    Compiling winapi v0.1.23
[INFO] [stderr]    Compiling mio v0.4.4
[INFO] [stderr]    Compiling loadbalancer v0.1.0 (/opt/crater/workdir)
[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 9.65s
[INFO] running `"docker" "inspect" "be85d8b40c6ee42a81a9dfcd4caf5a28a32c12c50ef0c701c3a7844060e385f3"`
[INFO] running `"docker" "rm" "-f" "be85d8b40c6ee42a81a9dfcd4caf5a28a32c12c50ef0c701c3a7844060e385f3"`
[INFO] [stdout] be85d8b40c6ee42a81a9dfcd4caf5a28a32c12c50ef0c701c3a7844060e385f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhallin/loadbalancer-rs:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cf52b0ee423819f7804a84b7376eab822e1e4050c352ee3e5beb5dbfdeb38012
[INFO] running `"docker" "start" "-a" "cf52b0ee423819f7804a84b7376eab822e1e4050c352ee3e5beb5dbfdeb38012"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `"docker" "inspect" "cf52b0ee423819f7804a84b7376eab822e1e4050c352ee3e5beb5dbfdeb38012"`
[INFO] running `"docker" "rm" "-f" "cf52b0ee423819f7804a84b7376eab822e1e4050c352ee3e5beb5dbfdeb38012"`
[INFO] [stdout] cf52b0ee423819f7804a84b7376eab822e1e4050c352ee3e5beb5dbfdeb38012
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhallin/loadbalancer-rs:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] da2b84ac55dd5e418a7ff0315ce422dcca1dea6112445b9ff723b27740827f5c
[INFO] running `"docker" "start" "-a" "da2b84ac55dd5e418a7ff0315ce422dcca1dea6112445b9ff723b27740827f5c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/loadbalancer-984c010e5c9b5084
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] ERROR:loadbalancer::connection: Writing caused error: Connection refused (os error 111)
[INFO] [stdout] test driver::test::start_stop_driver ... ok
[INFO] [stdout] test driver::test::single_backend ... ok
[INFO] [stdout] test driver::test::test_reconfigure_remove_listen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "da2b84ac55dd5e418a7ff0315ce422dcca1dea6112445b9ff723b27740827f5c"`
[INFO] running `"docker" "rm" "-f" "da2b84ac55dd5e418a7ff0315ce422dcca1dea6112445b9ff723b27740827f5c"`
[INFO] [stdout] da2b84ac55dd5e418a7ff0315ce422dcca1dea6112445b9ff723b27740827f5c