[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarol-202%2Fkgrep" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karol-202/kgrep on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-101/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 705d983bcdc39fe54f4b88f50dc17c94cbe28962e68247fd2d190dad68d7bd11
[INFO] running `Command { std: "docker" "start" "-a" "705d983bcdc39fe54f4b88f50dc17c94cbe28962e68247fd2d190dad68d7bd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705d983bcdc39fe54f4b88f50dc17c94cbe28962e68247fd2d190dad68d7bd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705d983bcdc39fe54f4b88f50dc17c94cbe28962e68247fd2d190dad68d7bd11", kill_on_drop: false }`
[INFO] [stdout] 705d983bcdc39fe54f4b88f50dc17c94cbe28962e68247fd2d190dad68d7bd11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a509f3e1b70ecdc25455e19b538863a94f0a0f4c67cc399bed58b9ff68d53eb2
[INFO] running `Command { std: "docker" "start" "-a" "a509f3e1b70ecdc25455e19b538863a94f0a0f4c67cc399bed58b9ff68d53eb2", 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 2.98s
[INFO] running `Command { std: "docker" "inspect" "a509f3e1b70ecdc25455e19b538863a94f0a0f4c67cc399bed58b9ff68d53eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a509f3e1b70ecdc25455e19b538863a94f0a0f4c67cc399bed58b9ff68d53eb2", kill_on_drop: false }`
[INFO] [stdout] a509f3e1b70ecdc25455e19b538863a94f0a0f4c67cc399bed58b9ff68d53eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b809f701edccb6060788115c4f302123d5ab0623b564811b871a384635eb5fa9
[INFO] running `Command { std: "docker" "start" "-a" "b809f701edccb6060788115c4f302123d5ab0623b564811b871a384635eb5fa9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 test [unoptimized + debuginfo] target(s) in 12.86s
[INFO] running `Command { std: "docker" "inspect" "b809f701edccb6060788115c4f302123d5ab0623b564811b871a384635eb5fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b809f701edccb6060788115c4f302123d5ab0623b564811b871a384635eb5fa9", kill_on_drop: false }`
[INFO] [stdout] b809f701edccb6060788115c4f302123d5ab0623b564811b871a384635eb5fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bccadd9f7d7ca6ec2f300e20f7554c8d05dbd44641e0d2fcea402d1335da5f9
[INFO] running `Command { std: "docker" "start" "-a" "4bccadd9f7d7ca6ec2f300e20f7554c8d05dbd44641e0d2fcea402d1335da5f9", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kgrep-6c60187b8fa3588d)
[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]      Running unittests (/opt/rustwide/target/debug/deps/kgrep-a093120adb90c7b4)
[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 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] running `Command { std: "docker" "inspect" "4bccadd9f7d7ca6ec2f300e20f7554c8d05dbd44641e0d2fcea402d1335da5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bccadd9f7d7ca6ec2f300e20f7554c8d05dbd44641e0d2fcea402d1335da5f9", kill_on_drop: false }`
[INFO] [stdout] 4bccadd9f7d7ca6ec2f300e20f7554c8d05dbd44641e0d2fcea402d1335da5f9