[INFO] cloning repository https://github.com/ftlc/RustMessenger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftlc/RustMessenger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftlc%2FRustMessenger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftlc%2FRustMessenger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d38c7349c825938bf8bf4ea0b363935416a318b [INFO] checking ftlc/RustMessenger against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftlc%2FRustMessenger" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ftlc/RustMessenger on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ftlc/RustMessenger [INFO] finished tweaking git repo https://github.com/ftlc/RustMessenger [INFO] tweaked toml for git repo https://github.com/ftlc/RustMessenger written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ftlc/RustMessenger already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0facf05e88956c7588d26c6a8b2aa6510cd7383c39a7f08e3f08528f810bb7ce [INFO] running `Command { std: "docker" "start" "-a" "0facf05e88956c7588d26c6a8b2aa6510cd7383c39a7f08e3f08528f810bb7ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0facf05e88956c7588d26c6a8b2aa6510cd7383c39a7f08e3f08528f810bb7ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0facf05e88956c7588d26c6a8b2aa6510cd7383c39a7f08e3f08528f810bb7ce", kill_on_drop: false }` [INFO] [stdout] 0facf05e88956c7588d26c6a8b2aa6510cd7383c39a7f08e3f08528f810bb7ce [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db40f34f3c1826e9c5a98341d1d371f7fd4856cfab383a26e26416611bc74792 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "db40f34f3c1826e9c5a98341d1d371f7fd4856cfab383a26e26416611bc74792", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking net2 v0.2.27 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking mio v0.6.6 [INFO] [stderr] Checking Server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | use std::net::{TcpStream, SocketAddr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Read` [INFO] [stdout] --> src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | use std::net::{TcpStream, SocketAddr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Read` [INFO] [stdout] --> src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut stream = stream.unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 36 | fn handle_request(mut stream: TcpStream) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut stream = stream.unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 36 | fn handle_request(mut stream: TcpStream) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Server` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `server` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Server` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `server` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.20s [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "db40f34f3c1826e9c5a98341d1d371f7fd4856cfab383a26e26416611bc74792", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db40f34f3c1826e9c5a98341d1d371f7fd4856cfab383a26e26416611bc74792", kill_on_drop: false }` [INFO] [stdout] db40f34f3c1826e9c5a98341d1d371f7fd4856cfab383a26e26416611bc74792