[INFO] cloning repository https://github.com/aaronjeline/RLisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronjeline/RLisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronjeline%2FRLisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronjeline%2FRLisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6466e9255168abc712436d7b37d2ca705b7507b1
[INFO] checking aaronjeline/RLisp against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronjeline%2FRLisp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronjeline/RLisp on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaronjeline/RLisp
[INFO] finished tweaking git repo https://github.com/aaronjeline/RLisp
[INFO] tweaked toml for git repo https://github.com/aaronjeline/RLisp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronjeline/RLisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfdd1b8844fba716203d9d01e5b7b274207d06f5ca9654fb79e378db84d19bef
[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" "bfdd1b8844fba716203d9d01e5b7b274207d06f5ca9654fb79e378db84d19bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfdd1b8844fba716203d9d01e5b7b274207d06f5ca9654fb79e378db84d19bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdd1b8844fba716203d9d01e5b7b274207d06f5ca9654fb79e378db84d19bef", kill_on_drop: false }`
[INFO] [stdout] bfdd1b8844fba716203d9d01e5b7b274207d06f5ca9654fb79e378db84d19bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2eb408afb3989c25360f8a7cfb238cfe1e4b2d719fb14b84cff88db7f363d8
[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" "cd2eb408afb3989c25360f8a7cfb238cfe1e4b2d719fb14b84cff88db7f363d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/evals.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn eval_env(list: LinkedList<RValue>, env: &mut Env) -> FResult {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/evals.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn eval_env(list: LinkedList<RValue>, env: &mut Env) -> FResult {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 5.32s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd2eb408afb3989c25360f8a7cfb238cfe1e4b2d719fb14b84cff88db7f363d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2eb408afb3989c25360f8a7cfb238cfe1e4b2d719fb14b84cff88db7f363d8", kill_on_drop: false }`
[INFO] [stdout] cd2eb408afb3989c25360f8a7cfb238cfe1e4b2d719fb14b84cff88db7f363d8