[INFO] fetching crate generators 0.1.0...
[INFO] testing generators-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate generators 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate generators 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d2ebf47ac303cffe40013f725854666d208062ddb8ccb439fa73d29634dbd38
[INFO] running `Command { std: "docker" "start" "-a" "9d2ebf47ac303cffe40013f725854666d208062ddb8ccb439fa73d29634dbd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d2ebf47ac303cffe40013f725854666d208062ddb8ccb439fa73d29634dbd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2ebf47ac303cffe40013f725854666d208062ddb8ccb439fa73d29634dbd38", kill_on_drop: false }`
[INFO] [stdout] 9d2ebf47ac303cffe40013f725854666d208062ddb8ccb439fa73d29634dbd38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad50c9faa3975bd14bcd955fd32560e88fd1ba680c37d1227dd0cdd34be8055b
[INFO] running `Command { std: "docker" "start" "-a" "ad50c9faa3975bd14bcd955fd32560e88fd1ba680c37d1227dd0cdd34be8055b", kill_on_drop: false }`
[INFO] [stderr]    Compiling generators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num1`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_num1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num2`
[INFO] [stdout]  --> src/lib.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stdout]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_num2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad50c9faa3975bd14bcd955fd32560e88fd1ba680c37d1227dd0cdd34be8055b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad50c9faa3975bd14bcd955fd32560e88fd1ba680c37d1227dd0cdd34be8055b", kill_on_drop: false }`
[INFO] [stdout] ad50c9faa3975bd14bcd955fd32560e88fd1ba680c37d1227dd0cdd34be8055b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da329ed065abb5397348a6452c18e20fa22317b6eec71c67fee797aba57cea62
[INFO] running `Command { std: "docker" "start" "-a" "da329ed065abb5397348a6452c18e20fa22317b6eec71c67fee797aba57cea62", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `num1`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_num1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num2`
[INFO] [stdout]  --> src/lib.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stdout]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_num2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num1`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_num1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num2`
[INFO] [stdout]  --> src/lib.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cal(num1:u8,num2:u8)->u8
[INFO] [stdout]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_num2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "da329ed065abb5397348a6452c18e20fa22317b6eec71c67fee797aba57cea62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da329ed065abb5397348a6452c18e20fa22317b6eec71c67fee797aba57cea62", kill_on_drop: false }`
[INFO] [stdout] da329ed065abb5397348a6452c18e20fa22317b6eec71c67fee797aba57cea62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66f29b2d3d1924692598066ae3c64db28b6c830806b1fe2f1174c6d86b93f502
[INFO] running `Command { std: "docker" "start" "-a" "66f29b2d3d1924692598066ae3c64db28b6c830806b1fe2f1174c6d86b93f502", kill_on_drop: false }`
[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: `generators` (lib) generated 2 warnings
[INFO] [stderr] warning: `generators` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/generators-feb91ca9e7d48872)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generators
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66f29b2d3d1924692598066ae3c64db28b6c830806b1fe2f1174c6d86b93f502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f29b2d3d1924692598066ae3c64db28b6c830806b1fe2f1174c6d86b93f502", kill_on_drop: false }`
[INFO] [stdout] 66f29b2d3d1924692598066ae3c64db28b6c830806b1fe2f1174c6d86b93f502