[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarol-202%2Fkgrep" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karol-202/kgrep on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-102/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e7266c82f1266cf0db00862e5f0c2886d41e3b948c52cd3317a6419078fff06
[INFO] running `Command { std: "docker" "start" "-a" "4e7266c82f1266cf0db00862e5f0c2886d41e3b948c52cd3317a6419078fff06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7266c82f1266cf0db00862e5f0c2886d41e3b948c52cd3317a6419078fff06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7266c82f1266cf0db00862e5f0c2886d41e3b948c52cd3317a6419078fff06", kill_on_drop: false }`
[INFO] [stdout] 4e7266c82f1266cf0db00862e5f0c2886d41e3b948c52cd3317a6419078fff06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33fd0207d0cbc921a3e37ed95a79d076fe4b0897a7453e0cc6b96a8782f0e46b
[INFO] running `Command { std: "docker" "start" "-a" "33fd0207d0cbc921a3e37ed95a79d076fe4b0897a7453e0cc6b96a8782f0e46b", 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 8.99s
[INFO] running `Command { std: "docker" "inspect" "33fd0207d0cbc921a3e37ed95a79d076fe4b0897a7453e0cc6b96a8782f0e46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fd0207d0cbc921a3e37ed95a79d076fe4b0897a7453e0cc6b96a8782f0e46b", kill_on_drop: false }`
[INFO] [stdout] 33fd0207d0cbc921a3e37ed95a79d076fe4b0897a7453e0cc6b96a8782f0e46b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1053b8a5e8e0c5eec5d159dc9f7f1ee510205e05a98d314c26f4507464c11bb
[INFO] running `Command { std: "docker" "start" "-a" "a1053b8a5e8e0c5eec5d159dc9f7f1ee510205e05a98d314c26f4507464c11bb", 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 13.27s
[INFO] running `Command { std: "docker" "inspect" "a1053b8a5e8e0c5eec5d159dc9f7f1ee510205e05a98d314c26f4507464c11bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1053b8a5e8e0c5eec5d159dc9f7f1ee510205e05a98d314c26f4507464c11bb", kill_on_drop: false }`
[INFO] [stdout] a1053b8a5e8e0c5eec5d159dc9f7f1ee510205e05a98d314c26f4507464c11bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7aa8476f68334ead6e1fb9f11d62bf227c044a2d59d71cc049eee43b39c8df8c
[INFO] running `Command { std: "docker" "start" "-a" "7aa8476f68334ead6e1fb9f11d62bf227c044a2d59d71cc049eee43b39c8df8c", 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" "7aa8476f68334ead6e1fb9f11d62bf227c044a2d59d71cc049eee43b39c8df8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa8476f68334ead6e1fb9f11d62bf227c044a2d59d71cc049eee43b39c8df8c", kill_on_drop: false }`
[INFO] [stdout] 7aa8476f68334ead6e1fb9f11d62bf227c044a2d59d71cc049eee43b39c8df8c