[INFO] fetching crate siodb 0.0.4...
[INFO] checking siodb-0.0.4 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate siodb 0.0.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate siodb 0.0.4 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate siodb 0.0.4
[INFO] finished tweaking crates.io crate siodb 0.0.4
[INFO] tweaked toml for crates.io crate siodb 0.0.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate siodb 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af0134b521569a18fcecf7821217f2244b95ed385ddc3f2d0bf61a99a2028f80
[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" "af0134b521569a18fcecf7821217f2244b95ed385ddc3f2d0bf61a99a2028f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0134b521569a18fcecf7821217f2244b95ed385ddc3f2d0bf61a99a2028f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0134b521569a18fcecf7821217f2244b95ed385ddc3f2d0bf61a99a2028f80", kill_on_drop: false }`
[INFO] [stdout] af0134b521569a18fcecf7821217f2244b95ed385ddc3f2d0bf61a99a2028f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b352101984472e69a81c55772b5aeb27a2705cbcac20f01a1bbf4f37026bb7f
[INFO] running `Command { std: "docker" "start" "-a" "4b352101984472e69a81c55772b5aeb27a2705cbcac20f01a1bbf4f37026bb7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bit_utils v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking varint v0.9.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking protoc v2.12.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking zigzag v0.1.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking protobuf-codegen v2.12.0
[INFO] [stderr]     Checking protoc-rust v2.12.0
[INFO] [stderr]     Checking siodb v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.20s
[INFO] running `Command { std: "docker" "inspect" "4b352101984472e69a81c55772b5aeb27a2705cbcac20f01a1bbf4f37026bb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b352101984472e69a81c55772b5aeb27a2705cbcac20f01a1bbf4f37026bb7f", kill_on_drop: false }`
[INFO] [stdout] 4b352101984472e69a81c55772b5aeb27a2705cbcac20f01a1bbf4f37026bb7f