[INFO] fetching crate qroc 0.1.0...
[INFO] checking qroc-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate qroc 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate qroc 0.1.0
[INFO] finished tweaking crates.io crate qroc 0.1.0
[INFO] tweaked toml for crates.io crate qroc 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qroc 0.1.0 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qroc 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `qroc` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b
[INFO] running `Command { std: "docker" "start" "cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `qroc` (manifest) generated 1 warning
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking qroc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `add` in this scope
[INFO] [stdout]  --> src/bin.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     println!("{}", add(1, 2));
[INFO] [stdout]   |                    ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: use the `.` operator to call the method `Add::add` on `{integer}`
[INFO] [stdout]   |
[INFO] [stdout] 4 -     println!("{}", add(1, 2));
[INFO] [stdout] 4 +     println!("{}", 1.add(2));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qroc` (bin "bin") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b", kill_on_drop: false }`
[INFO] [stdout] cd9947743020c0e5589dbcb19b8917fcae178d8341e6398d3282de870ec5938b
