[INFO] updating cached repository https://github.com/voidxnull/mio-chat-example
[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] 638e0a6875ae0cc861b07e7403374189456ef905
[INFO] testing voidxnull/mio-chat-example against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidxnull%2Fmio-chat-example" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voidxnull/mio-chat-example on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/voidxnull/mio-chat-example
[INFO] finished tweaking git repo https://github.com/voidxnull/mio-chat-example
[INFO] tweaked toml for git repo https://github.com/voidxnull/mio-chat-example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/voidxnull/mio-chat-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dbb3772eb98b511d46f08e1db2912698d5419a3db529ac6d1cf1be5feff34cb7
[INFO] running `"docker" "start" "-a" "dbb3772eb98b511d46f08e1db2912698d5419a3db529ac6d1cf1be5feff34cb7"`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling mio-chat-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Timer`, `self`
[INFO] [stderr]  --> src/tcp/server.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use mio_extras::timer::{self, Timer};
[INFO] [stderr]   |                         ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:64:20
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Option<Box<Fn(String, &TcpConnection, &TcpSender, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String, &TcpConnection, &TcpSender, &Slab<TcpConnection>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:65:43
[INFO] [stderr]    |
[INFO] [stderr] 65 |     client_connected_callback: Option<Box<Fn(&TcpConnection, &TcpSender, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TcpConnection, &TcpSender, &Slab<TcpConnection>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:66:46
[INFO] [stderr]    |
[INFO] [stderr] 66 |     client_disconnected_callback: Option<Box<Fn(Token, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token, &Slab<TcpConnection>)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     server.on_message_received(|msg, _, _, _| {
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.47s
[INFO] running `"docker" "inspect" "dbb3772eb98b511d46f08e1db2912698d5419a3db529ac6d1cf1be5feff34cb7"`
[INFO] running `"docker" "rm" "-f" "dbb3772eb98b511d46f08e1db2912698d5419a3db529ac6d1cf1be5feff34cb7"`
[INFO] [stdout] dbb3772eb98b511d46f08e1db2912698d5419a3db529ac6d1cf1be5feff34cb7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b37b95bbb139042bf25f17b1283178e2ccae24f0471f8931140435be25772f20
[INFO] running `"docker" "start" "-a" "b37b95bbb139042bf25f17b1283178e2ccae24f0471f8931140435be25772f20"`
[INFO] [stderr]    Compiling mio-chat-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Timer`, `self`
[INFO] [stderr]  --> src/tcp/server.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use mio_extras::timer::{self, Timer};
[INFO] [stderr]   |                         ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:64:20
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Option<Box<Fn(String, &TcpConnection, &TcpSender, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String, &TcpConnection, &TcpSender, &Slab<TcpConnection>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:65:43
[INFO] [stderr]    |
[INFO] [stderr] 65 |     client_connected_callback: Option<Box<Fn(&TcpConnection, &TcpSender, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TcpConnection, &TcpSender, &Slab<TcpConnection>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:66:46
[INFO] [stderr]    |
[INFO] [stderr] 66 |     client_disconnected_callback: Option<Box<Fn(Token, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token, &Slab<TcpConnection>)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     server.on_message_received(|msg, _, _, _| {
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "b37b95bbb139042bf25f17b1283178e2ccae24f0471f8931140435be25772f20"`
[INFO] running `"docker" "rm" "-f" "b37b95bbb139042bf25f17b1283178e2ccae24f0471f8931140435be25772f20"`
[INFO] [stdout] b37b95bbb139042bf25f17b1283178e2ccae24f0471f8931140435be25772f20
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76075e7bc2fbad50a3fe6b2306f0c1216d9f87fca9f57a2a35d2364aa9b6d6af
[INFO] running `"docker" "start" "-a" "76075e7bc2fbad50a3fe6b2306f0c1216d9f87fca9f57a2a35d2364aa9b6d6af"`
[INFO] [stderr] warning: unused imports: `Timer`, `self`
[INFO] [stderr]  --> src/tcp/server.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use mio_extras::timer::{self, Timer};
[INFO] [stderr]   |                         ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:64:20
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Option<Box<Fn(String, &TcpConnection, &TcpSender, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String, &TcpConnection, &TcpSender, &Slab<TcpConnection>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:65:43
[INFO] [stderr]    |
[INFO] [stderr] 65 |     client_connected_callback: Option<Box<Fn(&TcpConnection, &TcpSender, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TcpConnection, &TcpSender, &Slab<TcpConnection>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/server.rs:66:46
[INFO] [stderr]    |
[INFO] [stderr] 66 |     client_disconnected_callback: Option<Box<Fn(Token, &Slab<TcpConnection>)>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token, &Slab<TcpConnection>)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     server.on_message_received(|msg, _, _, _| {
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mio_chat_example-093fdfead1acab80
[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" "76075e7bc2fbad50a3fe6b2306f0c1216d9f87fca9f57a2a35d2364aa9b6d6af"`
[INFO] running `"docker" "rm" "-f" "76075e7bc2fbad50a3fe6b2306f0c1216d9f87fca9f57a2a35d2364aa9b6d6af"`
[INFO] [stdout] 76075e7bc2fbad50a3fe6b2306f0c1216d9f87fca9f57a2a35d2364aa9b6d6af