[INFO] fetching crate generators 0.1.0...
[INFO] checking generators-0.1.0 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate generators 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate generators 0.1.0 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate generators 0.1.0
[INFO] finished tweaking crates.io crate generators 0.1.0
[INFO] tweaked toml for crates.io crate generators 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] e6d35d1f2265499a4259bbe71a9c24e4c5920f20b2665dec0b3823773299d32f
[INFO] running `"docker" "start" "-a" "e6d35d1f2265499a4259bbe71a9c24e4c5920f20b2665dec0b3823773299d32f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking generators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `num1`
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stderr]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_num1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num2`
[INFO] [stderr]  --> src/lib.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_num2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num1`
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stderr]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_num1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num2`
[INFO] [stderr]  --> src/lib.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_num2`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "e6d35d1f2265499a4259bbe71a9c24e4c5920f20b2665dec0b3823773299d32f"`
[INFO] running `"docker" "rm" "-f" "e6d35d1f2265499a4259bbe71a9c24e4c5920f20b2665dec0b3823773299d32f"`
[INFO] [stdout] e6d35d1f2265499a4259bbe71a9c24e4c5920f20b2665dec0b3823773299d32f