[INFO] fetching crate rust_lisp 0.2.0...
[INFO] checking rust_lisp-0.2.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rust_lisp 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust_lisp 0.2.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-0/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5a61445d43f3b63cdeb41c87f74f228c38adc88b4e26e1ee26992b056299c2
[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" "2c5a61445d43f3b63cdeb41c87f74f228c38adc88b4e26e1ee26992b056299c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5a61445d43f3b63cdeb41c87f74f228c38adc88b4e26e1ee26992b056299c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5a61445d43f3b63cdeb41c87f74f228c38adc88b4e26e1ee26992b056299c2", kill_on_drop: false }`
[INFO] [stdout] 2c5a61445d43f3b63cdeb41c87f74f228c38adc88b4e26e1ee26992b056299c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab9634168755685d2c9269bd9aa811b5a10eca232aa9df2a4639141d30674a3f
[INFO] running `Command { std: "docker" "start" "-a" "ab9634168755685d2c9269bd9aa811b5a10eca232aa9df2a4639141d30674a3f", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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] [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 1.72s
[INFO] running `Command { std: "docker" "inspect" "ab9634168755685d2c9269bd9aa811b5a10eca232aa9df2a4639141d30674a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab9634168755685d2c9269bd9aa811b5a10eca232aa9df2a4639141d30674a3f", kill_on_drop: false }`
[INFO] [stdout] ab9634168755685d2c9269bd9aa811b5a10eca232aa9df2a4639141d30674a3f