[INFO] updating cached repository https://github.com/danburkert/simple-kv
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 6e28581e10becc4ceb9ffe56c88c74aedcbea231
[INFO] checking danburkert/simple-kv against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanburkert%2Fsimple-kv" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danburkert/simple-kv on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/danburkert/simple-kv
[INFO] finished tweaking git repo https://github.com/danburkert/simple-kv
[INFO] tweaked toml for git repo https://github.com/danburkert/simple-kv written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/danburkert/simple-kv already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66b96d756546ba84b1899c7ef60d65cadbc6280e5619137940e244555f8232d7
[INFO] running `"docker" "start" "-a" "66b96d756546ba84b1899c7ef60d65cadbc6280e5619137940e244555f8232d7"`
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking mio v0.7.0 (https://github.com/carllerche/mio.git#aaa243cf)
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking simple-kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `mio::PollOpt`, `mio::EventLoop`, `mio::EventSet`, `mio::Handler`
[INFO] [stderr]  --> src/server.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mio::{PollOpt, EventLoop, EventSet, Handler, Token};
[INFO] [stderr]   |           ^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^ no `Handler` in the root
[INFO] [stderr]   |           |        |          |
[INFO] [stderr]   |           |        |          no `EventSet` in the root
[INFO] [stderr]   |           |        no `EventLoop` in the root
[INFO] [stderr]   |           no `PollOpt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::tcp`
[INFO] [stderr]  --> src/server.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stderr]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::util`
[INFO] [stderr]  --> src/server.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | use mio::util::Slab;
[INFO] [stderr]   |          ^^^^ could not find `util` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `histogram::HistogramConfig`
[INFO] [stderr]   --> src/bench.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | use histogram::{Histogram, HistogramConfig};
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ no `HistogramConfig` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `mio::PollOpt`, `mio::EventLoop`, `mio::EventSet`, `mio::Handler`
[INFO] [stderr]   --> src/bench.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | use mio::{PollOpt, EventLoop, EventSet, Handler, Token};
[INFO] [stderr]    |           ^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^ no `Handler` in the root
[INFO] [stderr]    |           |        |          |
[INFO] [stderr]    |           |        |          no `EventSet` in the root
[INFO] [stderr]    |           |        no `EventLoop` in the root
[INFO] [stderr]    |           no `PollOpt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::tcp`
[INFO] [stderr]   --> src/bench.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | use mio::tcp::TcpStream;
[INFO] [stderr]    |          ^^^ could not find `tcp` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::util`
[INFO] [stderr]   --> src/bench.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | use mio::util::Slab;
[INFO] [stderr]    |          ^^^^ could not find `util` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]   --> src/bench.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::{Rng, XorShiftRng};
[INFO] [stderr]    |                 ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:112:36
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let send_time: u64 = time::precise_time_ns();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let recv_time: u64 = time::precise_time_ns();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:223:31
[INFO] [stderr]     |
[INFO] [stderr] 223 |     let mut mark: u64 = time::precise_time_ns();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:225:25
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let now = time::precise_time_ns();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut event_loop = try!(EventLoop::<Server>::new());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let listener = try!(TcpListener::bind(&addr));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(event_loop.register(&listener, LISTENER));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:66:24
[INFO] [stderr]    |
[INFO] [stderr] 66 |         for message in try!(connection.readable()) {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bench.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut event_loop = try!(EventLoop::<Bench>::new());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bench.rs:52:50
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut connection = Connection::new(try!(TcpStream::connect(&addr)));
[INFO] [stderr]    |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bench.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(event_loop.register_opt(&connections[token].socket,
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> src/bench.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::{Rng, XorShiftRng};
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `simple-kv`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved imports `mio::PollOpt`, `mio::EventLoop`, `mio::EventSet`, `mio::Handler`
[INFO] [stderr]  --> src/server.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mio::{PollOpt, EventLoop, EventSet, Handler, Token};
[INFO] [stderr]   |           ^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^ no `Handler` in the root
[INFO] [stderr]   |           |        |          |
[INFO] [stderr]   |           |        |          no `EventSet` in the root
[INFO] [stderr]   |           |        no `EventLoop` in the root
[INFO] [stderr]   |           no `PollOpt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::tcp`
[INFO] [stderr]  --> src/server.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stderr]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::util`
[INFO] [stderr]  --> src/server.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | use mio::util::Slab;
[INFO] [stderr]   |          ^^^^ could not find `util` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `histogram::HistogramConfig`
[INFO] [stderr]   --> src/bench.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | use histogram::{Histogram, HistogramConfig};
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ no `HistogramConfig` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `mio::PollOpt`, `mio::EventLoop`, `mio::EventSet`, `mio::Handler`
[INFO] [stderr]   --> src/bench.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | use mio::{PollOpt, EventLoop, EventSet, Handler, Token};
[INFO] [stderr]    |           ^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^ no `Handler` in the root
[INFO] [stderr]    |           |        |          |
[INFO] [stderr]    |           |        |          no `EventSet` in the root
[INFO] [stderr]    |           |        no `EventLoop` in the root
[INFO] [stderr]    |           no `PollOpt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::tcp`
[INFO] [stderr]   --> src/bench.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | use mio::tcp::TcpStream;
[INFO] [stderr]    |          ^^^ could not find `tcp` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `mio::util`
[INFO] [stderr]   --> src/bench.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | use mio::util::Slab;
[INFO] [stderr]    |          ^^^^ could not find `util` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]   --> src/bench.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::{Rng, XorShiftRng};
[INFO] [stderr]    |                 ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:112:36
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let send_time: u64 = time::precise_time_ns();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let recv_time: u64 = time::precise_time_ns();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:223:31
[INFO] [stderr]     |
[INFO] [stderr] 223 |     let mut mark: u64 = time::precise_time_ns();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `precise_time_ns` in crate `time`
[INFO] [stderr]    --> src/bench.rs:225:25
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let now = time::precise_time_ns();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ not found in `time`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut event_loop = try!(EventLoop::<Server>::new());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let listener = try!(TcpListener::bind(&addr));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(event_loop.register(&listener, LISTENER));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:66:24
[INFO] [stderr]    |
[INFO] [stderr] 66 |         for message in try!(connection.readable()) {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bench.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut event_loop = try!(EventLoop::<Bench>::new());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bench.rs:52:50
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut connection = Connection::new(try!(TcpStream::connect(&addr)));
[INFO] [stderr]    |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bench.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(event_loop.register_opt(&connections[token].socket,
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> src/bench.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::{Rng, XorShiftRng};
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `simple-kv`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "66b96d756546ba84b1899c7ef60d65cadbc6280e5619137940e244555f8232d7"`
[INFO] running `"docker" "rm" "-f" "66b96d756546ba84b1899c7ef60d65cadbc6280e5619137940e244555f8232d7"`
[INFO] [stdout] 66b96d756546ba84b1899c7ef60d65cadbc6280e5619137940e244555f8232d7
