[INFO] cloning repository https://github.com/alyjak/distributed-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alyjak/distributed-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falyjak%2Fdistributed-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falyjak%2Fdistributed-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 100050eb8b2a9e91ccdc97cb89ac857cafdad61b [INFO] checking alyjak/distributed-chat/100050eb8b2a9e91ccdc97cb89ac857cafdad61b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falyjak%2Fdistributed-chat" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alyjak/distributed-chat on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alyjak/distributed-chat [INFO] finished tweaking git repo https://github.com/alyjak/distributed-chat [INFO] tweaked toml for git repo https://github.com/alyjak/distributed-chat written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/alyjak/distributed-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-io v0.1.10 [INFO] [stderr] Downloaded smallvec v0.6.6 [INFO] [stderr] Downloaded tokio-uds v0.2.3 [INFO] [stderr] Downloaded bytes v0.4.11 [INFO] [stderr] Downloaded redox_syscall v0.1.42 [INFO] [stderr] Downloaded tokio-executor v0.1.5 [INFO] [stderr] Downloaded tokio-current-thread v0.1.3 [INFO] [stderr] Downloaded tokio-tcp v0.1.2 [INFO] [stderr] Downloaded crossbeam-utils v0.6.1 [INFO] [stderr] Downloaded tokio-fs v0.1.4 [INFO] [stderr] Downloaded tokio-threadpool v0.1.8 [INFO] [stderr] Downloaded tokio-timer v0.2.7 [INFO] [stderr] Downloaded mio v0.6.16 [INFO] [stderr] Downloaded tokio-udp v0.1.2 [INFO] [stderr] Downloaded futures v0.1.25 [INFO] [stderr] Downloaded lazycell v1.2.0 [INFO] [stderr] Downloaded tokio v0.1.11 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded crossbeam-deque v0.6.2 [INFO] [stderr] Downloaded tokio-reactor v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9707cdd0d1fdd20321fcff455122e6ee646ba6fb254fd34bc3163a1795b3285 [INFO] running `Command { std: "docker" "start" "-a" "b9707cdd0d1fdd20321fcff455122e6ee646ba6fb254fd34bc3163a1795b3285", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9707cdd0d1fdd20321fcff455122e6ee646ba6fb254fd34bc3163a1795b3285", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9707cdd0d1fdd20321fcff455122e6ee646ba6fb254fd34bc3163a1795b3285", kill_on_drop: false }` [INFO] [stdout] b9707cdd0d1fdd20321fcff455122e6ee646ba6fb254fd34bc3163a1795b3285 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87c2a42b71b3a9ca8ac8d84bfb5a2df3bf07718936d3a5d84bf0d4caf0491f8d [INFO] running `Command { std: "docker" "start" "-a" "87c2a42b71b3a9ca8ac8d84bfb5a2df3bf07718936d3a5d84bf0d4caf0491f8d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking smallvec v0.6.6 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking tokio-threadpool v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.3 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking assignment v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> src/message.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 272 | pub struct MsgCodec { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 273 | /// The socket address we're decoding from [INFO] [stdout] 274 | addr: SocketAddr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MsgCodec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bytebuf` is never read [INFO] [stdout] --> src/terminal.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct TerminalCodec { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 116 | bytebuf: BytesMut, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TerminalCodec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/message.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | / write!( [INFO] [stdout] 227 | | f, [INFO] [stdout] 228 | | "[{} {}]", [INFO] [stdout] 229 | | unsafe { from_utf8_unchecked(&self.from[..]) }, [INFO] [stdout] 230 | | self.typ [INFO] [stdout] 231 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/message.rs:235:17 [INFO] [stdout] | [INFO] [stdout] 235 | write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> src/message.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 272 | pub struct MsgCodec { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 273 | /// The socket address we're decoding from [INFO] [stdout] 274 | addr: SocketAddr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MsgCodec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bytebuf` is never read [INFO] [stdout] --> src/terminal.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct TerminalCodec { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 116 | bytebuf: BytesMut, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TerminalCodec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/message.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | / write!( [INFO] [stdout] 227 | | f, [INFO] [stdout] 228 | | "[{} {}]", [INFO] [stdout] 229 | | unsafe { from_utf8_unchecked(&self.from[..]) }, [INFO] [stdout] 230 | | self.typ [INFO] [stdout] 231 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/message.rs:235:17 [INFO] [stdout] | [INFO] [stdout] 235 | write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "87c2a42b71b3a9ca8ac8d84bfb5a2df3bf07718936d3a5d84bf0d4caf0491f8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87c2a42b71b3a9ca8ac8d84bfb5a2df3bf07718936d3a5d84bf0d4caf0491f8d", kill_on_drop: false }` [INFO] [stdout] 87c2a42b71b3a9ca8ac8d84bfb5a2df3bf07718936d3a5d84bf0d4caf0491f8d