[INFO] cloning repository https://github.com/Ubique0305/Rust-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ubique0305/Rust-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUbique0305%2FRust-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUbique0305%2FRust-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cc5283dafbb51dc28343f803b5a7a4de25ba415
[INFO] checking Ubique0305/Rust-grep against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUbique0305%2FRust-grep" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  87% (8529/9693)
Updating files:  88% (8530/9693)
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Updating files:  91% (8821/9693)
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Updating files:  99% (9597/9693)
Updating files: 100% (9693/9693)
Updating files: 100% (9693/9693), done.
[INFO] validating manifest of git repo https://github.com/Ubique0305/Rust-grep on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ubique0305/Rust-grep
[INFO] finished tweaking git repo https://github.com/Ubique0305/Rust-grep
[INFO] tweaked toml for git repo https://github.com/Ubique0305/Rust-grep written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ubique0305/Rust-grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] 1578ada94803b4f32f60a52e1cbef156492a0dc223eac95479ae32326331c192
[INFO] running `Command { std: "docker" "start" "-a" "1578ada94803b4f32f60a52e1cbef156492a0dc223eac95479ae32326331c192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1578ada94803b4f32f60a52e1cbef156492a0dc223eac95479ae32326331c192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1578ada94803b4f32f60a52e1cbef156492a0dc223eac95479ae32326331c192", kill_on_drop: false }`
[INFO] [stdout] 1578ada94803b4f32f60a52e1cbef156492a0dc223eac95479ae32326331c192
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e24cf502c1d6be171bbe6ffdea3c8973d6f15f44d51f182f63f17345ef48ad5
[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" "1e24cf502c1d6be171bbe6ffdea3c8973d6f15f44d51f182f63f17345ef48ad5", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "1e24cf502c1d6be171bbe6ffdea3c8973d6f15f44d51f182f63f17345ef48ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e24cf502c1d6be171bbe6ffdea3c8973d6f15f44d51f182f63f17345ef48ad5", kill_on_drop: false }`
[INFO] [stdout] 1e24cf502c1d6be171bbe6ffdea3c8973d6f15f44d51f182f63f17345ef48ad5