[INFO] fetching crate DemoApp 0.1.0...
[INFO] checking DemoApp-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate DemoApp 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate DemoApp 0.1.0
[INFO] finished tweaking crates.io crate DemoApp 0.1.0
[INFO] tweaked toml for crates.io crate DemoApp 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate DemoApp 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate DemoApp 0.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-3-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `rust_lib`
[INFO] [stderr]   * `bin` target `DemoApp`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a4029281777b10117fa9d26b39fcc00bf7fae2beff724ea04771fbfca087103
[INFO] running `Command { std: "docker" "start" "-a" "7a4029281777b10117fa9d26b39fcc00bf7fae2beff724ea04771fbfca087103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a4029281777b10117fa9d26b39fcc00bf7fae2beff724ea04771fbfca087103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4029281777b10117fa9d26b39fcc00bf7fae2beff724ea04771fbfca087103", kill_on_drop: false }`
[INFO] [stdout] 7a4029281777b10117fa9d26b39fcc00bf7fae2beff724ea04771fbfca087103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9a584aee18e2ad8e3aeb05e76d9d3dbe00f0d99a17c115f5246166a6216ab97
[INFO] running `Command { std: "docker" "start" "-a" "c9a584aee18e2ad8e3aeb05e76d9d3dbe00f0d99a17c115f5246166a6216ab97", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `rust_lib`
[INFO] [stderr]   * `bin` target `DemoApp`
[INFO] [stderr]     Checking DemoApp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn main(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c9a584aee18e2ad8e3aeb05e76d9d3dbe00f0d99a17c115f5246166a6216ab97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a584aee18e2ad8e3aeb05e76d9d3dbe00f0d99a17c115f5246166a6216ab97", kill_on_drop: false }`
[INFO] [stdout] c9a584aee18e2ad8e3aeb05e76d9d3dbe00f0d99a17c115f5246166a6216ab97