[INFO] cloning repository https://github.com/Marwan-lord/Lisp-dialect-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Marwan-lord/Lisp-dialect-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarwan-lord%2FLisp-dialect-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarwan-lord%2FLisp-dialect-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 571dcf4189bb207cceeb36b21a7bd993075eae45 [INFO] checking Marwan-lord/Lisp-dialect-interpreter/571dcf4189bb207cceeb36b21a7bd993075eae45 against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarwan-lord%2FLisp-dialect-interpreter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Marwan-lord/Lisp-dialect-interpreter [INFO] finished tweaking git repo https://github.com/Marwan-lord/Lisp-dialect-interpreter [INFO] tweaked toml for git repo https://github.com/Marwan-lord/Lisp-dialect-interpreter written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Marwan-lord/Lisp-dialect-interpreter on toolchain 2b43d8e161cfe46fae25518efb124c3c1d0fa392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Marwan-lord/Lisp-dialect-interpreter already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 830e18c7febcc6a898950f0e15d438788adf1bc2c8262cbb6269116da0dc8816 [INFO] running `Command { std: "docker" "start" "-a" "830e18c7febcc6a898950f0e15d438788adf1bc2c8262cbb6269116da0dc8816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "830e18c7febcc6a898950f0e15d438788adf1bc2c8262cbb6269116da0dc8816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "830e18c7febcc6a898950f0e15d438788adf1bc2c8262cbb6269116da0dc8816", kill_on_drop: false }` [INFO] [stdout] 830e18c7febcc6a898950f0e15d438788adf1bc2c8262cbb6269116da0dc8816 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aab862c941c3b6c539ee48a8c39377841d685572ad71811078378adf9b6d2a82 [INFO] running `Command { std: "docker" "start" "-a" "aab862c941c3b6c539ee48a8c39377841d685572ad71811078378adf9b6d2a82", kill_on_drop: false }` [INFO] [stderr] Checking lisp_interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/interpreter.rs:60:62 [INFO] [stdout] | [INFO] [stdout] 60 | fn eval_lsymc(lsymc: &Lsymc, st: &mut Rc>) -> Result { [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^^^^^^^^ expected `Result`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/interpreter.rs:60:62 [INFO] [stdout] | [INFO] [stdout] 60 | fn eval_lsymc(lsymc: &Lsymc, st: &mut Rc>) -> Result { [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^^^^^^^^ expected `Result`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lst` [INFO] [stdout] --> src/interpreter.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | Lsymc::ListSyms(lst) => Ok(Lsymc::Bool(list.is_empty())), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_lst` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/interpreter.rs:115:14 [INFO] [stdout] | [INFO] [stdout] 115 | fn eval_defn(list: &[Lsymc], st: &mut Rc>) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `st` [INFO] [stdout] --> src/interpreter.rs:115:30 [INFO] [stdout] | [INFO] [stdout] 115 | fn eval_defn(list: &[Lsymc], st: &mut Rc>) -> Result { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_st` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lst` [INFO] [stdout] --> src/interpreter.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | Lsymc::ListSyms(lst) => Ok(Lsymc::Bool(list.is_empty())), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_lst` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/interpreter.rs:115:14 [INFO] [stdout] | [INFO] [stdout] 115 | fn eval_defn(list: &[Lsymc], st: &mut Rc>) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `st` [INFO] [stdout] --> src/interpreter.rs:115:30 [INFO] [stdout] | [INFO] [stdout] 115 | fn eval_defn(list: &[Lsymc], st: &mut Rc>) -> Result { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_st` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lisp_interpreter` (bin "lisp_interpreter") due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lisp_interpreter` (bin "lisp_interpreter" test) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "aab862c941c3b6c539ee48a8c39377841d685572ad71811078378adf9b6d2a82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aab862c941c3b6c539ee48a8c39377841d685572ad71811078378adf9b6d2a82", kill_on_drop: false }` [INFO] [stdout] aab862c941c3b6c539ee48a8c39377841d685572ad71811078378adf9b6d2a82