[INFO] updating cached repository https://github.com/acmumn/chat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0cb4940f0ab5e72265004601876490eceb504d9a
[INFO] testing acmumn/chat against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmumn%2Fchat" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acmumn/chat on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/acmumn/chat
[INFO] finished tweaking git repo https://github.com/acmumn/chat
[INFO] tweaked toml for git repo https://github.com/acmumn/chat written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/acmumn/chat already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 28e16a8c93cca7d3b810273757e38dc5ecd64c2b5808cec1e91e24638d013327
[INFO] running `"docker" "start" "-a" "28e16a8c93cca7d3b810273757e38dc5ecd64c2b5808cec1e91e24638d013327"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling arc-swap v0.3.5
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling ring v0.13.3
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.10.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling signal-hook v0.1.6
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling rusqlite v0.15.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-mockstream v1.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-signal v0.2.6
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling sct v0.4.0
[INFO] [stderr]    Compiling webpki v0.18.1
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling rustls v0.14.0
[INFO] [stderr]    Compiling webpki-roots v0.15.0
[INFO] [stderr]    Compiling tokio-tls v0.2.0
[INFO] [stderr]    Compiling tokio-rustls v0.8.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.0
[INFO] [stderr]    Compiling actix v0.7.6
[INFO] [stderr]    Compiling irc v0.13.6
[INFO] [stderr]    Compiling actix-net v0.2.2
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpConnect`
[INFO] [stderr]  --> src/server.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use TcpConnect;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `framed`
[INFO] [stderr]   --> src/client.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_framed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/client.rs:33:40
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
[INFO] [stderr]    |                                        ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/server.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]   --> src/client.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Client {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `server`
[INFO] [stderr]   --> src/client.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     server: Addr<Server>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `addr`
[INFO] [stderr]  --> src/messages.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     addr: Addr<Session>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `clients`
[INFO] [stderr]   --> src/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     clients: HashMap<usize, Addr<Session>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `counter`
[INFO] [stderr]   --> src/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     counter: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]  --> src/user.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct User {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sys`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let sys = System::run(|| {
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_sys`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.82s
[INFO] running `"docker" "inspect" "28e16a8c93cca7d3b810273757e38dc5ecd64c2b5808cec1e91e24638d013327"`
[INFO] running `"docker" "rm" "-f" "28e16a8c93cca7d3b810273757e38dc5ecd64c2b5808cec1e91e24638d013327"`
[INFO] [stdout] 28e16a8c93cca7d3b810273757e38dc5ecd64c2b5808cec1e91e24638d013327
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21cb9f5f592466a3905ddb3e4f1551abb70a91f56624b1ec1a89183eabf17df2
[INFO] running `"docker" "start" "-a" "21cb9f5f592466a3905ddb3e4f1551abb70a91f56624b1ec1a89183eabf17df2"`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `sys`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let sys = System::run(|| {
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_sys`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpConnect`
[INFO] [stderr]  --> src/server.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use TcpConnect;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `framed`
[INFO] [stderr]   --> src/client.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_framed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/client.rs:33:40
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
[INFO] [stderr]    |                                        ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/server.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]   --> src/client.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Client {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `server`
[INFO] [stderr]   --> src/client.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     server: Addr<Server>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `addr`
[INFO] [stderr]  --> src/messages.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     addr: Addr<Session>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `clients`
[INFO] [stderr]   --> src/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     clients: HashMap<usize, Addr<Session>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `counter`
[INFO] [stderr]   --> src/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     counter: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]  --> src/user.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct User {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "21cb9f5f592466a3905ddb3e4f1551abb70a91f56624b1ec1a89183eabf17df2"`
[INFO] running `"docker" "rm" "-f" "21cb9f5f592466a3905ddb3e4f1551abb70a91f56624b1ec1a89183eabf17df2"`
[INFO] [stdout] 21cb9f5f592466a3905ddb3e4f1551abb70a91f56624b1ec1a89183eabf17df2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e6731831e8c66db05844a3255aa71688b7a29cc2e84e7adef6c7c4957652c368
[INFO] running `"docker" "start" "-a" "e6731831e8c66db05844a3255aa71688b7a29cc2e84e7adef6c7c4957652c368"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chat-fe31d2ea92701191
[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] [stderr]      Running /opt/rustwide/target/debug/deps/chat-6eba549224efcf94
[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] [stderr]    Doc-tests chat
[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" "e6731831e8c66db05844a3255aa71688b7a29cc2e84e7adef6c7c4957652c368"`
[INFO] running `"docker" "rm" "-f" "e6731831e8c66db05844a3255aa71688b7a29cc2e84e7adef6c7c4957652c368"`
[INFO] [stdout] e6731831e8c66db05844a3255aa71688b7a29cc2e84e7adef6c7c4957652c368