[INFO] crate hotpot-db 0.0.2 is already in cache
[INFO] testing hotpot-db-0.0.2 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate hotpot-db 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hotpot-db 0.0.2 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hotpot-db 0.0.2
[INFO] finished tweaking crates.io crate hotpot-db 0.0.2
[INFO] tweaked toml for crates.io crate hotpot-db 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate hotpot-db 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc5279104395607aa0d6a2bb2c9a153e4b7a551969cefdfc1f4afd3050d0c03b
[INFO] running `"docker" "start" "-a" "dc5279104395607aa0d6a2bb2c9a153e4b7a551969cefdfc1f4afd3050d0c03b"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.47
[INFO] [stderr]    Compiling rusqlite v0.21.0
[INFO] [stderr]    Compiling hotpot-db v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let res = stmt.execute(params![])?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "dc5279104395607aa0d6a2bb2c9a153e4b7a551969cefdfc1f4afd3050d0c03b"`
[INFO] running `"docker" "rm" "-f" "dc5279104395607aa0d6a2bb2c9a153e4b7a551969cefdfc1f4afd3050d0c03b"`
[INFO] [stdout] dc5279104395607aa0d6a2bb2c9a153e4b7a551969cefdfc1f4afd3050d0c03b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a82ad0951ac622ceaad258334add82c0b40038062940e432cfc39f44b88e9e71
[INFO] running `"docker" "start" "-a" "a82ad0951ac622ceaad258334add82c0b40038062940e432cfc39f44b88e9e71"`
[INFO] [stderr]    Compiling hotpot-db v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let res = stmt.execute(params![])?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let res = stmt.execute(params![])?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "a82ad0951ac622ceaad258334add82c0b40038062940e432cfc39f44b88e9e71"`
[INFO] running `"docker" "rm" "-f" "a82ad0951ac622ceaad258334add82c0b40038062940e432cfc39f44b88e9e71"`
[INFO] [stdout] a82ad0951ac622ceaad258334add82c0b40038062940e432cfc39f44b88e9e71
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca9372dc36c2a31a6a7a3c54e6b918c99868b85b45c15cfe717eb6ffb4232f78
[INFO] running `"docker" "start" "-a" "ca9372dc36c2a31a6a7a3c54e6b918c99868b85b45c15cfe717eb6ffb4232f78"`
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let res = stmt.execute(params![])?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let res = stmt.execute(params![])?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hotpot_db-169af6e2abd2962c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests hotpot-db
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `"docker" "inspect" "ca9372dc36c2a31a6a7a3c54e6b918c99868b85b45c15cfe717eb6ffb4232f78"`
[INFO] running `"docker" "rm" "-f" "ca9372dc36c2a31a6a7a3c54e6b918c99868b85b45c15cfe717eb6ffb4232f78"`
[INFO] [stdout] ca9372dc36c2a31a6a7a3c54e6b918c99868b85b45c15cfe717eb6ffb4232f78