[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] checking voidxnull/mio-chat-example against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidxnull%2Fmio-chat-example" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/voidxnull/mio-chat-example on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 0055586a1ba0860d7f75f1da08cc76e45bb485dafea5c333a79eae6d941c942a [INFO] running `"docker" "start" "-a" "0055586a1ba0860d7f75f1da08cc76e45bb485dafea5c333a79eae6d941c942a"` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking 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)>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String, &TcpConnection, &TcpSender, &Slab)` [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)>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TcpConnection, &TcpSender, &Slab)` [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)>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token, &Slab)` [INFO] [stderr] [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)>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String, &TcpConnection, &TcpSender, &Slab)` [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)>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TcpConnection, &TcpSender, &Slab)` [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)>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token, &Slab)` [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: 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] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.19s [INFO] running `"docker" "inspect" "0055586a1ba0860d7f75f1da08cc76e45bb485dafea5c333a79eae6d941c942a"` [INFO] running `"docker" "rm" "-f" "0055586a1ba0860d7f75f1da08cc76e45bb485dafea5c333a79eae6d941c942a"` [INFO] [stdout] 0055586a1ba0860d7f75f1da08cc76e45bb485dafea5c333a79eae6d941c942a