[INFO] cloning repository https://github.com/jevankovich/scheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jevankovich/scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e63c01d41c286a1b887ce03984ca05f50d8f9d7d
[INFO] checking jevankovich/scheme against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jevankovich/scheme on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jevankovich/scheme
[INFO] finished tweaking git repo https://github.com/jevankovich/scheme
[INFO] tweaked toml for git repo https://github.com/jevankovich/scheme written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jevankovich/scheme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a2208b0150a101be96f5159649fbdc3b3d7803e5ae47c3586b18033c507a872
[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" "2a2208b0150a101be96f5159649fbdc3b3d7803e5ae47c3586b18033c507a872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a2208b0150a101be96f5159649fbdc3b3d7803e5ae47c3586b18033c507a872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2208b0150a101be96f5159649fbdc3b3d7803e5ae47c3586b18033c507a872", kill_on_drop: false }`
[INFO] [stdout] 2a2208b0150a101be96f5159649fbdc3b3d7803e5ae47c3586b18033c507a872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13d35331918169a7e45a8de7169c00f6645a5a1be29abf296399700a2dad7742
[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" "13d35331918169a7e45a8de7169c00f6645a5a1be29abf296399700a2dad7742", kill_on_drop: false }`
[INFO] [stderr]     Checking scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `car`
[INFO] [stdout]   --> main.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cdr`
[INFO] [stdout]   --> main.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `car`
[INFO] [stdout]   --> main.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cdr`
[INFO] [stdout]   --> main.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]  --> main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Int(i64),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sym`
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Sym(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nil`
[INFO] [stdout]   --> main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn nil() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cons`
[INFO] [stdout]   --> main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `int`
[INFO] [stdout]   --> main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn int(x: i64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `float`
[INFO] [stdout]   --> main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn float(x: f64) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sym`
[INFO] [stdout]   --> main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sym(s: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]  --> main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Int(i64),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sym`
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Sym(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nil`
[INFO] [stdout]   --> main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn nil() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cons`
[INFO] [stdout]   --> main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `int`
[INFO] [stdout]   --> main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn int(x: i64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `float`
[INFO] [stdout]   --> main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn float(x: f64) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sym`
[INFO] [stdout]   --> main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sym(s: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13d35331918169a7e45a8de7169c00f6645a5a1be29abf296399700a2dad7742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d35331918169a7e45a8de7169c00f6645a5a1be29abf296399700a2dad7742", kill_on_drop: false }`
[INFO] [stdout] 13d35331918169a7e45a8de7169c00f6645a5a1be29abf296399700a2dad7742