[INFO] fetching crate msql-srv 0.9.0...
[INFO] checking msql-srv-0.9.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate msql-srv 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate msql-srv 0.9.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate msql-srv 0.9.0
[INFO] finished tweaking crates.io crate msql-srv 0.9.0
[INFO] tweaked toml for crates.io crate msql-srv 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate msql-srv 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 7d206952d13c7920409f545f767694da6fe3ba593cf3a0850b311b21de71930b
[INFO] running `"docker" "start" "-a" "7d206952d13c7920409f545f767694da6fe3ba593cf3a0850b311b21de71930b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
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[INFO] [stderr]    Compiling io-enum v0.2.2
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[INFO] [stderr]    Compiling native-tls v0.2.4
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[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]    Compiling mysql v18.2.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
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[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
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[INFO] [stderr]    Compiling nom v5.1.1
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[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking tokio-codec v0.1.2
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[INFO] [stderr]     Checking postgres-shared v0.4.2
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[INFO] [stderr]     Checking tokio-uds v0.2.6
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[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking mysql_common v0.18.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling derive_utils v0.9.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.7
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mysql_common v0.20.2
[INFO] [stderr]     Checking mysql_async v0.20.0
[INFO] [stderr]     Checking mysql_common v0.22.0
[INFO] [stderr]     Checking msql-srv v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/packet.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             mem::replace(&mut self.1, v);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/packet.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             mem::replace(&mut self.1, v);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `"docker" "inspect" "7d206952d13c7920409f545f767694da6fe3ba593cf3a0850b311b21de71930b"`
[INFO] running `"docker" "rm" "-f" "7d206952d13c7920409f545f767694da6fe3ba593cf3a0850b311b21de71930b"`
[INFO] [stdout] 7d206952d13c7920409f545f767694da6fe3ba593cf3a0850b311b21de71930b