[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/060b4a34f283476c5e0113af38beda72c45f9d03 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrakhar-FF13%2FLearning-Rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Prakhar-FF13/Learning-Rust on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "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-0-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48b05df825fbe9eab9aa3569a10404ce01832a2e0863241c970d7b908bc65654
[INFO] running `Command { std: "docker" "start" "-a" "48b05df825fbe9eab9aa3569a10404ce01832a2e0863241c970d7b908bc65654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b05df825fbe9eab9aa3569a10404ce01832a2e0863241c970d7b908bc65654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b05df825fbe9eab9aa3569a10404ce01832a2e0863241c970d7b908bc65654", kill_on_drop: false }`
[INFO] [stdout] 48b05df825fbe9eab9aa3569a10404ce01832a2e0863241c970d7b908bc65654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e1271e186a6f4a5a01bb5cdd5d29593a3462a27ca1ddf034d9b5fee5f5b369b
[INFO] running `Command { std: "docker" "start" "-a" "0e1271e186a6f4a5a01bb5cdd5d29593a3462a27ca1ddf034d9b5fee5f5b369b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking library v0.1.0 (/opt/rustwide/workdir/library)
[INFO] [stderr]     Checking dependency v0.1.0 (/opt/rustwide/workdir/dependency)
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/hello_world)
[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 variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]     Checking stdin-out v0.1.0 (/opt/rustwide/workdir/stdin-out)
[INFO] [stderr]     Checking vectors v0.1.0 (/opt/rustwide/workdir/vectors)
[INFO] [stderr]     Checking hashmaps v0.1.0 (/opt/rustwide/workdir/hashmaps)
[INFO] [stderr]     Checking lessons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking threads v0.1.0 (/opt/rustwide/workdir/threads)
[INFO] [stderr]     Checking memory_management v0.1.0 (/opt/rustwide/workdir/memory_management)
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking serialize-deserialize v0.1.0 (/opt/rustwide/workdir/serialize-deserialize)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.95s
[INFO] running `Command { std: "docker" "inspect" "0e1271e186a6f4a5a01bb5cdd5d29593a3462a27ca1ddf034d9b5fee5f5b369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1271e186a6f4a5a01bb5cdd5d29593a3462a27ca1ddf034d9b5fee5f5b369b", kill_on_drop: false }`
[INFO] [stdout] 0e1271e186a6f4a5a01bb5cdd5d29593a3462a27ca1ddf034d9b5fee5f5b369b