[INFO] updating cached repository https://github.com/andrewhu-uw/rust_rr_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95bf25fa34a28eb447808259ec5751ec93f65a11
[INFO] checking andrewhu-uw/rust_rr_test against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhu-uw%2Frust_rr_test" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewhu-uw/rust_rr_test on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewhu-uw/rust_rr_test
[INFO] finished tweaking git repo https://github.com/andrewhu-uw/rust_rr_test
[INFO] tweaked toml for git repo https://github.com/andrewhu-uw/rust_rr_test written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewhu-uw/rust_rr_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7cb7d977eb007586396102ee40c7d29a671b31eb83b7337d88cc29edbf01d39
[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" "b7cb7d977eb007586396102ee40c7d29a671b31eb83b7337d88cc29edbf01d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7cb7d977eb007586396102ee40c7d29a671b31eb83b7337d88cc29edbf01d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7cb7d977eb007586396102ee40c7d29a671b31eb83b7337d88cc29edbf01d39", kill_on_drop: false }`
[INFO] [stdout] b7cb7d977eb007586396102ee40c7d29a671b31eb83b7337d88cc29edbf01d39
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb37bad0f2efb086c05096bca98abee0bfdba5ffce7b60be3356b07227e3cf6a
[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" "cb37bad0f2efb086c05096bca98abee0bfdba5ffce7b60be3356b07227e3cf6a", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking ffi-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `slc`
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   let slc = &*slc_p;
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_slc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/lib.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mContainer` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   mContainer : Vec<String>
[INFO] [stdout]   |   ^^^^^^^^^^ help: convert the identifier to snake case: `m_container`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Add` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn Add(&mut self, s : String) -> &mut StringListContainer {
[INFO] [stdout]    |      ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Count` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 |   fn Count(&self) -> usize {
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to snake case (notice the capitalization): `count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `StringListContainer_do` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub unsafe extern "Rust" fn StringListContainer_do(slc_p : *mut StringListContainer, m : SLCArgs) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_list_container_do`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slc`
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   let slc = &*slc_p;
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_slc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mContainer` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   mContainer : Vec<String>
[INFO] [stdout]   |   ^^^^^^^^^^ help: convert the identifier to snake case: `m_container`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Add` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn Add(&mut self, s : String) -> &mut StringListContainer {
[INFO] [stdout]    |      ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Count` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 |   fn Count(&self) -> usize {
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to snake case (notice the capitalization): `count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `StringListContainer_do` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub unsafe extern "Rust" fn StringListContainer_do(slc_p : *mut StringListContainer, m : SLCArgs) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_list_container_do`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "cb37bad0f2efb086c05096bca98abee0bfdba5ffce7b60be3356b07227e3cf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb37bad0f2efb086c05096bca98abee0bfdba5ffce7b60be3356b07227e3cf6a", kill_on_drop: false }`
[INFO] [stdout] cb37bad0f2efb086c05096bca98abee0bfdba5ffce7b60be3356b07227e3cf6a