[INFO] cloning repository https://github.com/charlieAndroidDev/rust-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlieAndroidDev/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcharlieAndroidDev%2Frust-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcharlieAndroidDev%2Frust-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 011732296d76b0f95ba20280ebe725d17f89c5db [INFO] checking charlieAndroidDev/rust-chat against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcharlieAndroidDev%2Frust-chat" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/charlieAndroidDev/rust-chat on toolchain bb9dbf1d07454a99066eabaabd5819851281494b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/charlieAndroidDev/rust-chat [INFO] finished tweaking git repo https://github.com/charlieAndroidDev/rust-chat [INFO] tweaked toml for git repo https://github.com/charlieAndroidDev/rust-chat written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/charlieAndroidDev/rust-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded twitchchat v0.14.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2f7dcecc0bd1c6c64f2cceb4101f5a5dc78d558d34a0021ffc9ec87a89116e6 [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" "a2f7dcecc0bd1c6c64f2cceb4101f5a5dc78d558d34a0021ffc9ec87a89116e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2f7dcecc0bd1c6c64f2cceb4101f5a5dc78d558d34a0021ffc9ec87a89116e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2f7dcecc0bd1c6c64f2cceb4101f5a5dc78d558d34a0021ffc9ec87a89116e6", kill_on_drop: false }` [INFO] [stdout] a2f7dcecc0bd1c6c64f2cceb4101f5a5dc78d558d34a0021ffc9ec87a89116e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29fb617540797427fcb1e9cd3f5a69b463d3fd46b013195d3a2885ac0ef4c5c9 [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" "29fb617540797427fcb1e9cd3f5a69b463d3fd46b013195d3a2885ac0ef4c5c9", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.37 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-lock v2.3.0 [INFO] [stderr] Checking simple-mutex v1.1.5 [INFO] [stderr] Checking async-dup v1.2.2 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking async-fs v1.5.0 [INFO] [stderr] Checking async-net v1.5.0 [INFO] [stderr] Checking async-process v1.0.1 [INFO] [stderr] Checking smol v1.2.5 [INFO] [stderr] Checking twitchchat v0.14.8 [INFO] [stderr] Checking rust-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut writer = runner.writer(); [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:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut writer = runner.writer(); [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: unused variable: `writer` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut writer = runner.writer(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quit` [INFO] [stdout] --> src/main.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let quit = runner.quit_handle(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut writer = runner.writer(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quit` [INFO] [stdout] --> src/main.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let quit = runner.quit_handle(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_command` [INFO] [stdout] --> src/main.rs:130:8 [INFO] [stdout] | [INFO] [stdout] 130 | fn parse_command(input: &str) -> Option<&str> { [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: `parse_command` [INFO] [stdout] --> src/main.rs:130:8 [INFO] [stdout] | [INFO] [stdout] 130 | fn parse_command(input: &str) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.54s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "29fb617540797427fcb1e9cd3f5a69b463d3fd46b013195d3a2885ac0ef4c5c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29fb617540797427fcb1e9cd3f5a69b463d3fd46b013195d3a2885ac0ef4c5c9", kill_on_drop: false }` [INFO] [stdout] 29fb617540797427fcb1e9cd3f5a69b463d3fd46b013195d3a2885ac0ef4c5c9