[INFO] updating cached repository https://github.com/salvarubiomartinez/lispy
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de0bb65bef3e3b916763fec0fb2a166cb59155c5
[INFO] checking salvarubiomartinez/lispy against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalvarubiomartinez%2Flispy" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/salvarubiomartinez/lispy on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/salvarubiomartinez/lispy
[INFO] finished tweaking git repo https://github.com/salvarubiomartinez/lispy
[INFO] tweaked toml for git repo https://github.com/salvarubiomartinez/lispy written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/salvarubiomartinez/lispy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4aa3214ec7279353222fd4c08870c0308bb3cfb27f0db47f2448be42e829a450
[INFO] running `"docker" "start" "-a" "4aa3214ec7279353222fd4c08870c0308bb3cfb27f0db47f2448be42e829a450"`
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking lispy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:180:42
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn arithmetic_op(a: &Expr, b: &Expr, f: &Fn(&i64, &i64) -> i64) -> Expr {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&i64, &i64) -> i64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:180:42
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn arithmetic_op(a: &Expr, b: &Expr, f: &Fn(&i64, &i64) -> i64) -> Expr {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&i64, &i64) -> i64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `"docker" "inspect" "4aa3214ec7279353222fd4c08870c0308bb3cfb27f0db47f2448be42e829a450"`
[INFO] running `"docker" "rm" "-f" "4aa3214ec7279353222fd4c08870c0308bb3cfb27f0db47f2448be42e829a450"`
[INFO] [stdout] 4aa3214ec7279353222fd4c08870c0308bb3cfb27f0db47f2448be42e829a450