[INFO] fetching crate foreignc_derive 0.1.1...
[INFO] checking foreignc_derive-0.1.1 against beta for pr-78714
[INFO] extracting crate foreignc_derive 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate foreignc_derive 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate foreignc_derive 0.1.1
[INFO] finished tweaking crates.io crate foreignc_derive 0.1.1
[INFO] tweaked toml for crates.io crate foreignc_derive 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded foreignc_template v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9aec42d5158dd4cf6ae4a510be0bed0fcd395ef26254f86a2ee8a7dd77bc9882
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9aec42d5158dd4cf6ae4a510be0bed0fcd395ef26254f86a2ee8a7dd77bc9882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aec42d5158dd4cf6ae4a510be0bed0fcd395ef26254f86a2ee8a7dd77bc9882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aec42d5158dd4cf6ae4a510be0bed0fcd395ef26254f86a2ee8a7dd77bc9882", kill_on_drop: false }`
[INFO] [stdout] 9aec42d5158dd4cf6ae4a510be0bed0fcd395ef26254f86a2ee8a7dd77bc9882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f23d2b41e57e4faa40ff70c63a18dac8b256d25cba399a76ac81d223262ef9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f23d2b41e57e4faa40ff70c63a18dac8b256d25cba399a76ac81d223262ef9f", kill_on_drop: false }`
[INFO] [stderr]     Checking foreignc_util v0.1.1
[INFO] [stderr]     Checking foreignc_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::convert::From`
[INFO] [stdout]  --> src/generate.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::convert::From`
[INFO] [stdout]  --> src/generate.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let span = impls.span().clone();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let span = impls.span().clone();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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 [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "2f23d2b41e57e4faa40ff70c63a18dac8b256d25cba399a76ac81d223262ef9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f23d2b41e57e4faa40ff70c63a18dac8b256d25cba399a76ac81d223262ef9f", kill_on_drop: false }`
[INFO] [stdout] 2f23d2b41e57e4faa40ff70c63a18dac8b256d25cba399a76ac81d223262ef9f