[INFO] crate paho-mqtt 0.6.0 is already in cache
[INFO] checking paho-mqtt-0.6.0 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate paho-mqtt 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate paho-mqtt 0.6.0 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate paho-mqtt 0.6.0
[INFO] finished tweaking crates.io crate paho-mqtt 0.6.0
[INFO] tweaked toml for crates.io crate paho-mqtt 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate paho-mqtt 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] cc37cf890b94d8a92b4ef2e4d3a67cc95a0fd7491e0787c15379a23c0944d927
[INFO] running `"docker" "start" "-a" "cc37cf890b94d8a92b4ef2e4d3a67cc95a0fd7491e0787c15379a23c0944d927"`
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]     Checking paho-mqtt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/string_collection.rs:214:53
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let v = [ "string0", "string1", "string2" ];;
[INFO] [stderr]     |                                                     ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:158:48
[INFO] [stderr]     |
[INFO] [stderr] 158 |             ErrorRepr::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:158:48
[INFO] [stderr]     |
[INFO] [stderr] 158 |             ErrorRepr::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `"docker" "inspect" "cc37cf890b94d8a92b4ef2e4d3a67cc95a0fd7491e0787c15379a23c0944d927"`
[INFO] running `"docker" "rm" "-f" "cc37cf890b94d8a92b4ef2e4d3a67cc95a0fd7491e0787c15379a23c0944d927"`
[INFO] [stdout] cc37cf890b94d8a92b4ef2e4d3a67cc95a0fd7491e0787c15379a23c0944d927