[INFO] updating cached repository https://github.com/pacifistes/rust_rc_reffcell_exemple
[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] 78197b5aa824f53838e6e37d37802b2ce2af47f6
[INFO] checking pacifistes/rust_rc_reffcell_exemple against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpacifistes%2Frust_rc_reffcell_exemple" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pacifistes/rust_rc_reffcell_exemple on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pacifistes/rust_rc_reffcell_exemple
[INFO] finished tweaking git repo https://github.com/pacifistes/rust_rc_reffcell_exemple
[INFO] tweaked toml for git repo https://github.com/pacifistes/rust_rc_reffcell_exemple written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pacifistes/rust_rc_reffcell_exemple already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66eff7eda4435a6337986e5b7578e984ebd96826f985908097d37f50fd8ea810
[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" "66eff7eda4435a6337986e5b7578e984ebd96826f985908097d37f50fd8ea810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66eff7eda4435a6337986e5b7578e984ebd96826f985908097d37f50fd8ea810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66eff7eda4435a6337986e5b7578e984ebd96826f985908097d37f50fd8ea810", kill_on_drop: false }`
[INFO] [stdout] 66eff7eda4435a6337986e5b7578e984ebd96826f985908097d37f50fd8ea810
[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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63186e0f110bb1b7e8f72331889e51c4acd95be406ff100cd15bfc6b282624be
[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" "63186e0f110bb1b7e8f72331889e51c4acd95be406ff100cd15bfc6b282624be", kill_on_drop: false }`
[INFO] [stderr]     Checking te v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `refValue` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub refValue : Rc<RefCell<Number>>
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `ref_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `refNumber` should have a snake case name
[INFO] [stdout]   --> src/main.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let refNumber = open_list.peek().unwrap().refValue.borrow();
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `ref_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `refValue` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub refValue : Rc<RefCell<Number>>
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `ref_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `refNumber` should have a snake case name
[INFO] [stdout]   --> src/main.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let refNumber = open_list.peek().unwrap().refValue.borrow();
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `ref_number`
[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 0.37s
[INFO] running `Command { std: "docker" "inspect" "63186e0f110bb1b7e8f72331889e51c4acd95be406ff100cd15bfc6b282624be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63186e0f110bb1b7e8f72331889e51c4acd95be406ff100cd15bfc6b282624be", kill_on_drop: false }`
[INFO] [stdout] 63186e0f110bb1b7e8f72331889e51c4acd95be406ff100cd15bfc6b282624be