[INFO] cloning repository https://github.com/karol-202/kgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karol-202/kgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarol-202%2Fkgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarol-202%2Fkgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9137775dab62b5fb97881eacd705ada9c51b6590
[INFO] testing karol-202/kgrep against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarol-202%2Fkgrep" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karol-202/kgrep on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/karol-202/kgrep
[INFO] finished tweaking git repo https://github.com/karol-202/kgrep
[INFO] tweaked toml for git repo https://github.com/karol-202/kgrep written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/karol-202/kgrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef2808885f87dad4cdcebced3f73d8750d5a953a7e30b2aa1a94186f2006f71a
[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" "ef2808885f87dad4cdcebced3f73d8750d5a953a7e30b2aa1a94186f2006f71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2808885f87dad4cdcebced3f73d8750d5a953a7e30b2aa1a94186f2006f71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2808885f87dad4cdcebced3f73d8750d5a953a7e30b2aa1a94186f2006f71a", kill_on_drop: false }`
[INFO] [stdout] ef2808885f87dad4cdcebced3f73d8750d5a953a7e30b2aa1a94186f2006f71a
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--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] de73d18be0ac45c01ec96e5cb00356a5dc38d92a9be19b1bd56f31b8608aa7a1
[INFO] running `Command { std: "docker" "start" "-a" "de73d18be0ac45c01ec96e5cb00356a5dc38d92a9be19b1bd56f31b8608aa7a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling kgrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Args`
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Args(ArgsErrorType),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TooFew`
[INFO] [stdout]   --> src/error.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     TooFew,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TooMany`
[INFO] [stdout]   --> src/error.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     TooMany,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "de73d18be0ac45c01ec96e5cb00356a5dc38d92a9be19b1bd56f31b8608aa7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de73d18be0ac45c01ec96e5cb00356a5dc38d92a9be19b1bd56f31b8608aa7a1", kill_on_drop: false }`
[INFO] [stdout] de73d18be0ac45c01ec96e5cb00356a5dc38d92a9be19b1bd56f31b8608aa7a1
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c62af52490f26e9c7c4d841c96d15bedfeb2d8dabb04a96fda6276e802918d5
[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" "5c62af52490f26e9c7c4d841c96d15bedfeb2d8dabb04a96fda6276e802918d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling kgrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Args`
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Args(ArgsErrorType),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TooFew`
[INFO] [stdout]   --> src/error.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     TooFew,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TooMany`
[INFO] [stdout]   --> src/error.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     TooMany,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c62af52490f26e9c7c4d841c96d15bedfeb2d8dabb04a96fda6276e802918d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c62af52490f26e9c7c4d841c96d15bedfeb2d8dabb04a96fda6276e802918d5", kill_on_drop: false }`
[INFO] [stdout] 5c62af52490f26e9c7c4d841c96d15bedfeb2d8dabb04a96fda6276e802918d5
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b3b741a655bcf714a3fca0e50996c89f658abd7445c885f98514386f57211ff
[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" "2b3b741a655bcf714a3fca0e50996c89f658abd7445c885f98514386f57211ff", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Args`
[INFO] [stderr]  --> src/error.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Args(ArgsErrorType),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TooFew`
[INFO] [stderr]   --> src/error.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     TooFew,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TooMany`
[INFO] [stderr]   --> src/error.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     TooMany,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kgrep` (bin "kgrep" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kgrep-966490a7b900bc4d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kgrep-f5c39868b40f9fd5)
[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 kgrep
[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] [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" "2b3b741a655bcf714a3fca0e50996c89f658abd7445c885f98514386f57211ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3b741a655bcf714a3fca0e50996c89f658abd7445c885f98514386f57211ff", kill_on_drop: false }`
[INFO] [stdout] 2b3b741a655bcf714a3fca0e50996c89f658abd7445c885f98514386f57211ff