[INFO] updating cached repository https://github.com/bschwind/mqtt-broker [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f3cb588566aa814abcae1828fd5df83c47c821a9 [INFO] checking bschwind/mqtt-broker against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fmqtt-broker" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bschwind/mqtt-broker on toolchain e922e6444795ab795fab1943288aee3d543699b8 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bschwind/mqtt-broker [INFO] finished tweaking git repo https://github.com/bschwind/mqtt-broker [INFO] tweaked toml for git repo https://github.com/bschwind/mqtt-broker written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/bschwind/mqtt-broker already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] a2b483d631e1f0527b7985a9f61ae66a8adae2c3d69f3d798d1dd96b2e90f299 [INFO] running `"docker" "start" "-a" "a2b483d631e1f0527b7985a9f61ae66a8adae2c3d69f3d798d1dd96b2e90f299"` [INFO] [stderr] Checking crossbeam-utils v0.7.0 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.5 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking mqtt-broker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: enum is never used: `ConnectReason` [INFO] [stderr] --> src/types.rs:121:10 [INFO] [stderr] | [INFO] [stderr] 121 | pub enum ConnectReason { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ConnectAckVariableHeader` [INFO] [stderr] --> src/types.rs:166:12 [INFO] [stderr] | [INFO] [stderr] 166 | pub struct ConnectAckVariableHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PublishVariableHeader` [INFO] [stderr] --> src/types.rs:190:12 [INFO] [stderr] | [INFO] [stderr] 190 | pub struct PublishVariableHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `encode_variable_int` [INFO] [stderr] --> src/main.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn encode_variable_int(value: u32, buf: &mut [u8]) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ConnectReason` [INFO] [stderr] --> src/types.rs:121:10 [INFO] [stderr] | [INFO] [stderr] 121 | pub enum ConnectReason { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ConnectAckVariableHeader` [INFO] [stderr] --> src/types.rs:166:12 [INFO] [stderr] | [INFO] [stderr] 166 | pub struct ConnectAckVariableHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PublishVariableHeader` [INFO] [stderr] --> src/types.rs:190:12 [INFO] [stderr] | [INFO] [stderr] 190 | pub struct PublishVariableHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `encode_variable_int` [INFO] [stderr] --> src/main.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn encode_variable_int(value: u32, buf: &mut [u8]) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.96s [INFO] running `"docker" "inspect" "a2b483d631e1f0527b7985a9f61ae66a8adae2c3d69f3d798d1dd96b2e90f299"` [INFO] running `"docker" "rm" "-f" "a2b483d631e1f0527b7985a9f61ae66a8adae2c3d69f3d798d1dd96b2e90f299"` [INFO] [stdout] a2b483d631e1f0527b7985a9f61ae66a8adae2c3d69f3d798d1dd96b2e90f299