[INFO] cloning repository https://github.com/mobei12/rust_folder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobei12/rust_folder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobei12%2Frust_folder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobei12%2Frust_folder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38fd1d82e44f2f65e3f6a8a45cd2aa5448b611f7
[INFO] checking mobei12/rust_folder against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobei12%2Frust_folder" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mobei12/rust_folder on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mobei12/rust_folder
[INFO] finished tweaking git repo https://github.com/mobei12/rust_folder
[INFO] tweaked toml for git repo https://github.com/mobei12/rust_folder written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mobei12/rust_folder 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b66954b451d01efd9fb40d5aeb07dc454c317eef2b51439210f30545268d72e1
[INFO] running `Command { std: "docker" "start" "-a" "b66954b451d01efd9fb40d5aeb07dc454c317eef2b51439210f30545268d72e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b66954b451d01efd9fb40d5aeb07dc454c317eef2b51439210f30545268d72e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66954b451d01efd9fb40d5aeb07dc454c317eef2b51439210f30545268d72e1", kill_on_drop: false }`
[INFO] [stdout] b66954b451d01efd9fb40d5aeb07dc454c317eef2b51439210f30545268d72e1
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f26d52a8ff035b78b54c9d3d4ab894215c8befc217da6b9a0afd0b8d6fc5241a
[INFO] running `Command { std: "docker" "start" "-a" "f26d52a8ff035b78b54c9d3d4ab894215c8befc217da6b9a0afd0b8d6fc5241a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking rust_folder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `println_data` is never used
[INFO] [stdout]  --> src/function.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn println_data() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dead_end` is never used
[INFO] [stdout]   --> src/function.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn dead_end() -> ! {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `println_data` is never used
[INFO] [stdout]  --> src/function.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn println_data() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dead_end` is never used
[INFO] [stdout]   --> src/function.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn dead_end() -> ! {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "f26d52a8ff035b78b54c9d3d4ab894215c8befc217da6b9a0afd0b8d6fc5241a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26d52a8ff035b78b54c9d3d4ab894215c8befc217da6b9a0afd0b8d6fc5241a", kill_on_drop: false }`
[INFO] [stdout] f26d52a8ff035b78b54c9d3d4ab894215c8befc217da6b9a0afd0b8d6fc5241a