[INFO] cloning repository https://github.com/lukeKonopka/rust-ws-chat [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06138137e53f6b70755e98477486fb12274a3f56 [INFO] testing lukeKonopka/rust-ws-chat against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lukeKonopka/rust-ws-chat on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-4/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b005942ac98733d64d127f8491b25ec337d96f199bd3cb463a5691d8c92ac7ab [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" "b005942ac98733d64d127f8491b25ec337d96f199bd3cb463a5691d8c92ac7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b005942ac98733d64d127f8491b25ec337d96f199bd3cb463a5691d8c92ac7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b005942ac98733d64d127f8491b25ec337d96f199bd3cb463a5691d8c92ac7ab", kill_on_drop: false }` [INFO] [stdout] b005942ac98733d64d127f8491b25ec337d96f199bd3cb463a5691d8c92ac7ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", 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] 458699855a37dfbc59419a8e4fe02fc1d4c7f7ac698a1b96f7bf1a4e6d8dd834 [INFO] running `Command { std: "docker" "start" "-a" "458699855a37dfbc59419a8e4fe02fc1d4c7f7ac698a1b96f7bf1a4e6d8dd834", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling ws v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling uuid v0.7.2 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling rust-ws-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/message.rs:65:11 [INFO] [stdout] | [INFO] [stdout] 65 | fn from(err: ws::Error) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/message.rs:73:11 [INFO] [stdout] | [INFO] [stdout] 73 | fn from(err: serde_json::error::Error) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `message` [INFO] [stdout] --> src/message.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 40 | fn message(from: &str, to: &str, content: &str) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `error` [INFO] [stdout] --> src/message.rs:48:10 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn error(msg: &str) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.71s [INFO] running `Command { std: "docker" "inspect" "458699855a37dfbc59419a8e4fe02fc1d4c7f7ac698a1b96f7bf1a4e6d8dd834", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "458699855a37dfbc59419a8e4fe02fc1d4c7f7ac698a1b96f7bf1a4e6d8dd834", kill_on_drop: false }` [INFO] [stdout] 458699855a37dfbc59419a8e4fe02fc1d4c7f7ac698a1b96f7bf1a4e6d8dd834 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", 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] 8124d5ef7b10cee19cb957ee335d1e6b8f67e838029fae0353881caacf9e0336 [INFO] running `Command { std: "docker" "start" "-a" "8124d5ef7b10cee19cb957ee335d1e6b8f67e838029fae0353881caacf9e0336", kill_on_drop: false }` [INFO] [stderr] Compiling rust-ws-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/message.rs:65:11 [INFO] [stdout] | [INFO] [stdout] 65 | fn from(err: ws::Error) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/message.rs:73:11 [INFO] [stdout] | [INFO] [stdout] 73 | fn from(err: serde_json::error::Error) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `message` [INFO] [stdout] --> src/message.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 40 | fn message(from: &str, to: &str, content: &str) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `error` [INFO] [stdout] --> src/message.rs:48:10 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn error(msg: &str) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "8124d5ef7b10cee19cb957ee335d1e6b8f67e838029fae0353881caacf9e0336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8124d5ef7b10cee19cb957ee335d1e6b8f67e838029fae0353881caacf9e0336", kill_on_drop: false }` [INFO] [stdout] 8124d5ef7b10cee19cb957ee335d1e6b8f67e838029fae0353881caacf9e0336 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9e0699f0e2c6fdd80e374f0224e2e2e005293fe78fb3c76c69ca59dc007a07a3 [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" "9e0699f0e2c6fdd80e374f0224e2e2e005293fe78fb3c76c69ca59dc007a07a3", kill_on_drop: false }` [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: associated function is never used: `message` [INFO] [stderr] --> src/message.rs:40:6 [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: associated function is never used: `error` [INFO] [stderr] --> src/message.rs:48:10 [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] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_ws_chat-1fa680cf4da3b6db [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 `Command { std: "docker" "inspect" "9e0699f0e2c6fdd80e374f0224e2e2e005293fe78fb3c76c69ca59dc007a07a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e0699f0e2c6fdd80e374f0224e2e2e005293fe78fb3c76c69ca59dc007a07a3", kill_on_drop: false }` [INFO] [stdout] 9e0699f0e2c6fdd80e374f0224e2e2e005293fe78fb3c76c69ca59dc007a07a3