[INFO] cloning repository https://github.com/Yuanlong-Tony-Cui/rust-grep-plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuanlong-Tony-Cui/rust-grep-plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuanlong-Tony-Cui%2Frust-grep-plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuanlong-Tony-Cui%2Frust-grep-plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 452113ffb2b7c4b86a897e5d73ea9c8e1dd629a6
[INFO] checking Yuanlong-Tony-Cui/rust-grep-plus against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuanlong-Tony-Cui%2Frust-grep-plus" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yuanlong-Tony-Cui/rust-grep-plus
[INFO] finished tweaking git repo https://github.com/Yuanlong-Tony-Cui/rust-grep-plus
[INFO] tweaked toml for git repo https://github.com/Yuanlong-Tony-Cui/rust-grep-plus written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yuanlong-Tony-Cui/rust-grep-plus on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yuanlong-Tony-Cui/rust-grep-plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbe970469669ea059235ed1cec7a933d48fb34a3eb058fc0c0a4b2dcad147a8a
[INFO] running `Command { std: "docker" "start" "-a" "fbe970469669ea059235ed1cec7a933d48fb34a3eb058fc0c0a4b2dcad147a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbe970469669ea059235ed1cec7a933d48fb34a3eb058fc0c0a4b2dcad147a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe970469669ea059235ed1cec7a933d48fb34a3eb058fc0c0a4b2dcad147a8a", kill_on_drop: false }`
[INFO] [stdout] fbe970469669ea059235ed1cec7a933d48fb34a3eb058fc0c0a4b2dcad147a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70caea169692c8d523d7ccab48987e87e9fcfa8ceb8bfb8fbba1d33a040dac80
[INFO] running `Command { std: "docker" "start" "-a" "70caea169692c8d523d7ccab48987e87e9fcfa8ceb8bfb8fbba1d33a040dac80", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking regex v1.11.0
[INFO] [stderr]     Checking grep-plus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "70caea169692c8d523d7ccab48987e87e9fcfa8ceb8bfb8fbba1d33a040dac80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70caea169692c8d523d7ccab48987e87e9fcfa8ceb8bfb8fbba1d33a040dac80", kill_on_drop: false }`
[INFO] [stdout] 70caea169692c8d523d7ccab48987e87e9fcfa8ceb8bfb8fbba1d33a040dac80