[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/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/mhallin/loadbalancer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/mhallin/loadbalancer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mhallin/loadbalancer-rs" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/mhallin/loadbalancer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mhallin/loadbalancer-rs on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-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-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking mhallin/loadbalancer-rs against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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=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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 235d4a4a0d61f4e8d8a428937a554ca279098a407f1bed6b46ac0d1bb96be273
[INFO] running `"docker" "start" "-a" "235d4a4a0d61f4e8d8a428937a554ca279098a407f1bed6b46ac0d1bb96be273"`
[INFO] [stderr]     Checking loadbalancer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug, RustcDecodable, Default, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Debug, RustcDecodable, Default, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(Debug, RustcDecodable, Default, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Debug, RustcDecodable, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug, RustcDecodable, Default, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Debug, RustcDecodable, Default, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(Debug, RustcDecodable, Default, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Debug, RustcDecodable, Clone)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[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: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] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `loadbalancer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `loadbalancer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "235d4a4a0d61f4e8d8a428937a554ca279098a407f1bed6b46ac0d1bb96be273"`
[INFO] running `"docker" "rm" "-f" "235d4a4a0d61f4e8d8a428937a554ca279098a407f1bed6b46ac0d1bb96be273"`
[INFO] [stdout] 235d4a4a0d61f4e8d8a428937a554ca279098a407f1bed6b46ac0d1bb96be273