[INFO] fetching crate supply-chain-trust-example-crate-000006 0.1.0...
[INFO] checking supply-chain-trust-example-crate-000006-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate supply-chain-trust-example-crate-000006 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate supply-chain-trust-example-crate-000006 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate supply-chain-trust-example-crate-000006 0.1.0
[INFO] tweaked toml for crates.io crate supply-chain-trust-example-crate-000006 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate supply-chain-trust-example-crate-000006 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6edb522e532fc24c2b1fc82122762cb74d06ca6302d2f0b23980ca347113b4bc
[INFO] running `Command { std: "docker" "start" "-a" "6edb522e532fc24c2b1fc82122762cb74d06ca6302d2f0b23980ca347113b4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6edb522e532fc24c2b1fc82122762cb74d06ca6302d2f0b23980ca347113b4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edb522e532fc24c2b1fc82122762cb74d06ca6302d2f0b23980ca347113b4bc", kill_on_drop: false }`
[INFO] [stdout] 6edb522e532fc24c2b1fc82122762cb74d06ca6302d2f0b23980ca347113b4bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf861efe9694e48d92e8c49906c9bac363a5c70e19921c0bf979e663b43e839
[INFO] running `Command { std: "docker" "start" "-a" "3bf861efe9694e48d92e8c49906c9bac363a5c70e19921c0bf979e663b43e839", kill_on_drop: false }`
[INFO] [stderr]    Compiling supply-chain-trust-example-crate-000006 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]  --> tests/const_fn.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | const _FOO: libc::c_uint = unsafe { libc::CMSG_SPACE(1) };
[INFO] [stdout]   |                                     ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]  --> tests/const_fn.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | const _FOO: libc::c_uint = unsafe { libc::CMSG_SPACE(1) };
[INFO] [stdout]   |             ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `supply-chain-trust-example-crate-000006` (test "const_fn") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3bf861efe9694e48d92e8c49906c9bac363a5c70e19921c0bf979e663b43e839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf861efe9694e48d92e8c49906c9bac363a5c70e19921c0bf979e663b43e839", kill_on_drop: false }`
[INFO] [stdout] 3bf861efe9694e48d92e8c49906c9bac363a5c70e19921c0bf979e663b43e839