[INFO] cloning repository https://github.com/bhaskarvb28/Contact_Book_In_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhaskarvb28/Contact_Book_In_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskarvb28%2FContact_Book_In_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskarvb28%2FContact_Book_In_Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskarvb28%2FContact_Book_In_Rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/bhaskarvb28/Contact_Book_In_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhaskarvb28/Contact_Book_In_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskarvb28%2FContact_Book_In_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskarvb28%2FContact_Book_In_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1c0dce6b0a058edfa644cc7ada743e4c59f42aa
[INFO] checking bhaskarvb28/Contact_Book_In_Rust against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskarvb28%2FContact_Book_In_Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bhaskarvb28/Contact_Book_In_Rust
[INFO] finished tweaking git repo https://github.com/bhaskarvb28/Contact_Book_In_Rust
[INFO] tweaked toml for git repo https://github.com/bhaskarvb28/Contact_Book_In_Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bhaskarvb28/Contact_Book_In_Rust on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bhaskarvb28/Contact_Book_In_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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e91dea4236b94f6678c05452cd3c17a1811d19c6b92b9717108e81bf0c02dd70
[INFO] running `Command { std: "docker" "start" "-a" "e91dea4236b94f6678c05452cd3c17a1811d19c6b92b9717108e81bf0c02dd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91dea4236b94f6678c05452cd3c17a1811d19c6b92b9717108e81bf0c02dd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91dea4236b94f6678c05452cd3c17a1811d19c6b92b9717108e81bf0c02dd70", kill_on_drop: false }`
[INFO] [stdout] e91dea4236b94f6678c05452cd3c17a1811d19c6b92b9717108e81bf0c02dd70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7672167d3c9591a24a1933131b8afadd9995b0fef6395c31d792bd2abde7a352
[INFO] running `Command { std: "docker" "start" "-a" "7672167d3c9591a24a1933131b8afadd9995b0fef6395c31d792bd2abde7a352", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking contacts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "7672167d3c9591a24a1933131b8afadd9995b0fef6395c31d792bd2abde7a352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7672167d3c9591a24a1933131b8afadd9995b0fef6395c31d792bd2abde7a352", kill_on_drop: false }`
[INFO] [stdout] 7672167d3c9591a24a1933131b8afadd9995b0fef6395c31d792bd2abde7a352