[INFO] updating cached repository https://github.com/jmacmoe/lisp
[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] b793484be1dccc17d4e0826a75888c9224993310
[INFO] checking jmacmoe/lisp against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmacmoe%2Flisp" "/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/jmacmoe/lisp on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmacmoe/lisp
[INFO] finished tweaking git repo https://github.com/jmacmoe/lisp
[INFO] tweaked toml for git repo https://github.com/jmacmoe/lisp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jmacmoe/lisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84cf0b1b2bbf529d1fb6c3bc808fb29127b7c7ae25482122c2a47bab9b7f845f
[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" "84cf0b1b2bbf529d1fb6c3bc808fb29127b7c7ae25482122c2a47bab9b7f845f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84cf0b1b2bbf529d1fb6c3bc808fb29127b7c7ae25482122c2a47bab9b7f845f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cf0b1b2bbf529d1fb6c3bc808fb29127b7c7ae25482122c2a47bab9b7f845f", kill_on_drop: false }`
[INFO] [stdout] 84cf0b1b2bbf529d1fb6c3bc808fb29127b7c7ae25482122c2a47bab9b7f845f
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdac3b7796235c3f41d38f30ee14384a7db1b6cf912eb81241d752676ee46818
[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" "fdac3b7796235c3f41d38f30ee14384a7db1b6cf912eb81241d752676ee46818", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_expression`
[INFO] [stdout]   --> src/parser.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/parser.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_expression`
[INFO] [stdout]   --> src/parser.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/parser.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "fdac3b7796235c3f41d38f30ee14384a7db1b6cf912eb81241d752676ee46818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdac3b7796235c3f41d38f30ee14384a7db1b6cf912eb81241d752676ee46818", kill_on_drop: false }`
[INFO] [stdout] fdac3b7796235c3f41d38f30ee14384a7db1b6cf912eb81241d752676ee46818