[INFO] cloning repository https://github.com/lukeKonopka/rust-ws-chat [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeKonopka/rust-ws-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 06138137e53f6b70755e98477486fb12274a3f56 [INFO] checking lukeKonopka/rust-ws-chat against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat" "/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/lukeKonopka/rust-ws-chat on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/lukeKonopka/rust-ws-chat [INFO] finished tweaking git repo https://github.com/lukeKonopka/rust-ws-chat [INFO] tweaked toml for git repo https://github.com/lukeKonopka/rust-ws-chat written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/lukeKonopka/rust-ws-chat already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 718bfad6d680c20be5904add679fb76e702b7eee6b33910d9c80281bcd06d813 [INFO] running `"docker" "start" "-a" "718bfad6d680c20be5904add679fb76e702b7eee6b33910d9c80281bcd06d813"` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking ws v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking serde v1.0.89 [INFO] [stderr] Checking uuid v0.7.2 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking rust-ws-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/message.rs:65:11 [INFO] [stderr] | [INFO] [stderr] 65 | fn from(err: ws::Error) -> Self { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/message.rs:73:11 [INFO] [stderr] | [INFO] [stderr] 73 | fn from(err: serde_json::error::Error) -> Self { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/message.rs:65:11 [INFO] [stderr] | [INFO] [stderr] 65 | fn from(err: ws::Error) -> Self { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/message.rs:73:11 [INFO] [stderr] | [INFO] [stderr] 73 | fn from(err: serde_json::error::Error) -> Self { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `message` [INFO] [stderr] --> src/message.rs:40:3 [INFO] [stderr] | [INFO] [stderr] 40 | fn message(from: &str, to: &str, content: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `error` [INFO] [stderr] --> src/message.rs:48:3 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn error(msg: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `message` [INFO] [stderr] --> src/message.rs:40:3 [INFO] [stderr] | [INFO] [stderr] 40 | fn message(from: &str, to: &str, content: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `error` [INFO] [stderr] --> src/message.rs:48:3 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn error(msg: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.36s [INFO] running `"docker" "inspect" "718bfad6d680c20be5904add679fb76e702b7eee6b33910d9c80281bcd06d813"` [INFO] running `"docker" "rm" "-f" "718bfad6d680c20be5904add679fb76e702b7eee6b33910d9c80281bcd06d813"` [INFO] [stdout] 718bfad6d680c20be5904add679fb76e702b7eee6b33910d9c80281bcd06d813