[INFO] fetching crate scs-rs 0.1.0...
[INFO] checking scs-rs-0.1.0 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate scs-rs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scs-rs 0.1.0 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scs-rs 0.1.0
[INFO] finished tweaking crates.io crate scs-rs 0.1.0
[INFO] tweaked toml for crates.io crate scs-rs 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate scs-rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d702cb0cf78258e74b7e350ea047ec08af5689fbd4b39c7bfd4598a6f2b0ac7c
[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" "d702cb0cf78258e74b7e350ea047ec08af5689fbd4b39c7bfd4598a6f2b0ac7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d702cb0cf78258e74b7e350ea047ec08af5689fbd4b39c7bfd4598a6f2b0ac7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d702cb0cf78258e74b7e350ea047ec08af5689fbd4b39c7bfd4598a6f2b0ac7c", kill_on_drop: false }`
[INFO] [stdout] d702cb0cf78258e74b7e350ea047ec08af5689fbd4b39c7bfd4598a6f2b0ac7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b76877089ef9f305d97cef5799f821d0ebb2a6fdf367b6c374d708a06baa5fdd
[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" "b76877089ef9f305d97cef5799f821d0ebb2a6fdf367b6c374d708a06baa5fdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling scs-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> examples/circle.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut A = scs::ScsMatrix {
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "b76877089ef9f305d97cef5799f821d0ebb2a6fdf367b6c374d708a06baa5fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76877089ef9f305d97cef5799f821d0ebb2a6fdf367b6c374d708a06baa5fdd", kill_on_drop: false }`
[INFO] [stdout] b76877089ef9f305d97cef5799f821d0ebb2a6fdf367b6c374d708a06baa5fdd