[INFO] fetching crate rust_lisp 0.2.0...
[INFO] testing rust_lisp-0.2.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate rust_lisp 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust_lisp 0.2.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_lisp 0.2.0
[INFO] finished tweaking crates.io crate rust_lisp 0.2.0
[INFO] tweaked toml for crates.io crate rust_lisp 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rust_lisp 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a006811241ea31e5be9f8bc3500cabe3f87613beb89672544c9e741454a12275
[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" "a006811241ea31e5be9f8bc3500cabe3f87613beb89672544c9e741454a12275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a006811241ea31e5be9f8bc3500cabe3f87613beb89672544c9e741454a12275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a006811241ea31e5be9f8bc3500cabe3f87613beb89672544c9e741454a12275", kill_on_drop: false }`
[INFO] [stdout] a006811241ea31e5be9f8bc3500cabe3f87613beb89672544c9e741454a12275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8626f552e49b9d86f81db8ad93684b11f7d20d2bc4831a8bd42c9423e1a01c2
[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" "a8626f552e49b9d86f81db8ad93684b11f7d20d2bc4831a8bd42c9423e1a01c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_lisp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/model.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/model.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/model.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/model.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/model.rs:288:16
[INFO] [stdout]     |
[INFO] [stdout] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/model.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/model.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/model.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/model.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/model.rs:288:16
[INFO] [stdout]     |
[INFO] [stdout] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "a8626f552e49b9d86f81db8ad93684b11f7d20d2bc4831a8bd42c9423e1a01c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8626f552e49b9d86f81db8ad93684b11f7d20d2bc4831a8bd42c9423e1a01c2", kill_on_drop: false }`
[INFO] [stdout] a8626f552e49b9d86f81db8ad93684b11f7d20d2bc4831a8bd42c9423e1a01c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798b36e852cbd96e8df7a693b86bd4efdfdd7d36afee6166a4d8e1cddc94b5d3
[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" "798b36e852cbd96e8df7a693b86bd4efdfdd7d36afee6166a4d8e1cddc94b5d3", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/model.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_lisp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/model.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/model.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/model.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/model.rs:288:16
[INFO] [stdout]     |
[INFO] [stdout] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/model.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/model.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/model.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/model.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/model.rs:288:16
[INFO] [stdout]     |
[INFO] [stdout] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/model.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/model.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/model.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/model.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/model.rs:288:16
[INFO] [stdout]     |
[INFO] [stdout] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/model.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/model.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/model.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/model.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |       Value::TailCall { func, args } => None,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/model.rs:288:16
[INFO] [stdout]     |
[INFO] [stdout] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "798b36e852cbd96e8df7a693b86bd4efdfdd7d36afee6166a4d8e1cddc94b5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798b36e852cbd96e8df7a693b86bd4efdfdd7d36afee6166a4d8e1cddc94b5d3", kill_on_drop: false }`
[INFO] [stdout] 798b36e852cbd96e8df7a693b86bd4efdfdd7d36afee6166a4d8e1cddc94b5d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5d2e44169e358de31d474060b300b7e70aec1dbf1ab00b39412e540b97a583b
[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" "d5d2e44169e358de31d474060b300b7e70aec1dbf1ab00b39412e540b97a583b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/model.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/model.rs:39:31
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]    --> src/model.rs:200:25
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/model.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/model.rs:288:16
[INFO] [stderr]     |
[INFO] [stderr] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/model.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/model.rs:39:31
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]    --> src/model.rs:200:25
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/model.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/model.rs:288:16
[INFO] [stderr]     |
[INFO] [stderr] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/model.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/model.rs:39:31
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]    --> src/model.rs:200:25
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/model.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/model.rs:288:16
[INFO] [stderr]     |
[INFO] [stderr] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/model.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/model.rs:39:31
[INFO] [stderr]    |
[INFO] [stderr] 39 |       Value::TailCall { func, args } => "tail call",
[INFO] [stderr]    |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]    --> src/model.rs:200:25
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                         ^^^^ help: try ignoring the field: `func: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/model.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |       Value::TailCall { func, args } => None,
[INFO] [stderr]     |                               ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/model.rs:288:16
[INFO] [stderr]     |
[INFO] [stderr] 288 |   fn eq(&self, other: &Self) -> bool {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_lisp-ffd29c845a5a3ab2
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parser::tokenize_basic_expression ... ok
[INFO] [stdout] test parser::tokenize_complex_expression ... ok
[INFO] [stdout] test parser::tokenize_simplest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_lisp-e55c41513ed39bae
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/interpreter-50f4cca57e49b641
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parser::tokenize_simplest ... ok
[INFO] [stdout] test parser::tokenize_complex_expression ... ok
[INFO] [stdout] test parser::tokenize_basic_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test eval_set_global ... ok
[INFO] [stdout] test eval_quote_tick_symbol ... ok
[INFO] [stdout] test eval_quote_tick_list ... ok
[INFO] [stdout] test eval_set_local ... ok
[INFO] [stdout] test eval_quote_tick_atom ... ok
[INFO] [stdout] test eval_quote_2 ... ok
[INFO] [stdout] test eval_let ... ok
[INFO] [stdout] test eval_quote_1 ... ok
[INFO] [stdout] test eval_merge_sort ... ok
[INFO] [stdout] test eval_basic_expression ... ok
[INFO] [stdout] test eval_fib ... ok
[INFO] [stdout] test eval_set_undefined ... ok
[INFO] [stdout] test eval_let_scope ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/little_lisper-ea94fcdfdc5bb232
[INFO] [stdout] test tail_call_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test five ... ok
[INFO] [stdout] test one ... ok
[INFO] [stdout] test four ... ok
[INFO] [stdout] test seven ... ok
[INFO] [stdout] test two ... ok
[INFO] [stdout] test six ... ok
[INFO] [stdout] test three ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parser-15b594f24e68fa67
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parse_basic_expression ... ok
[INFO] [stdout] test parse_multiple_lines ... ok
[INFO] [stdout] test parse_nil ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_lisp
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5d2e44169e358de31d474060b300b7e70aec1dbf1ab00b39412e540b97a583b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d2e44169e358de31d474060b300b7e70aec1dbf1ab00b39412e540b97a583b", kill_on_drop: false }`
[INFO] [stdout] d5d2e44169e358de31d474060b300b7e70aec1dbf1ab00b39412e540b97a583b