[INFO] cloning repository https://github.com/Prakhar-FF13/Learning-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Prakhar-FF13/Learning-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrakhar-FF13%2FLearning-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrakhar-FF13%2FLearning-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 060b4a34f283476c5e0113af38beda72c45f9d03
[INFO] checking Prakhar-FF13/Learning-Rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrakhar-FF13%2FLearning-Rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Prakhar-FF13/Learning-Rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Prakhar-FF13/Learning-Rust
[INFO] finished tweaking git repo https://github.com/Prakhar-FF13/Learning-Rust
[INFO] tweaked toml for git repo https://github.com/Prakhar-FF13/Learning-Rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Prakhar-FF13/Learning-Rust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88b78f0bb56a3ea62c40798f92f785b371ed75262549a7597fe85156c043dcbb
[INFO] running `Command { std: "docker" "start" "-a" "88b78f0bb56a3ea62c40798f92f785b371ed75262549a7597fe85156c043dcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88b78f0bb56a3ea62c40798f92f785b371ed75262549a7597fe85156c043dcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b78f0bb56a3ea62c40798f92f785b371ed75262549a7597fe85156c043dcbb", kill_on_drop: false }`
[INFO] [stdout] 88b78f0bb56a3ea62c40798f92f785b371ed75262549a7597fe85156c043dcbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ee07108bf010863162ac20e2c7d387d9c8fed1b43f7b888b041130be8851c3
[INFO] running `Command { std: "docker" "start" "-a" "08ee07108bf010863162ac20e2c7d387d9c8fed1b43f7b888b041130be8851c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking library v0.1.0 (/opt/rustwide/workdir/library)
[INFO] [stderr]     Checking stdin-out v0.1.0 (/opt/rustwide/workdir/stdin-out)
[INFO] [stderr]     Checking memory_management v0.1.0 (/opt/rustwide/workdir/memory_management)
[INFO] [stderr]     Checking lessons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking enumerations v0.1.0 (/opt/rustwide/workdir/enumerations)
[INFO] [stderr]     Checking strcutures v0.1.0 (/opt/rustwide/workdir/strcutures)
[INFO] [stderr]     Checking threads v0.1.0 (/opt/rustwide/workdir/threads)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]     Checking vectors v0.1.0 (/opt/rustwide/workdir/vectors)
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/hello_world)
[INFO] [stderr]     Checking hashmaps v0.1.0 (/opt/rustwide/workdir/hashmaps)
[INFO] [stderr]     Checking dependency v0.1.0 (/opt/rustwide/workdir/dependency)
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking serialize-deserialize v0.1.0 (/opt/rustwide/workdir/serialize-deserialize)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "08ee07108bf010863162ac20e2c7d387d9c8fed1b43f7b888b041130be8851c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ee07108bf010863162ac20e2c7d387d9c8fed1b43f7b888b041130be8851c3", kill_on_drop: false }`
[INFO] [stdout] 08ee07108bf010863162ac20e2c7d387d9c8fed1b43f7b888b041130be8851c3