[INFO] fetching crate rust_lisp 0.2.0...
[INFO] checking rust_lisp-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate rust_lisp 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rust_lisp 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 966aba1da01ae5f57a924f0ed1ba26dc9f23c32bc892b4fac503890877a18206
[INFO] running `Command { std: "docker" "start" "-a" "966aba1da01ae5f57a924f0ed1ba26dc9f23c32bc892b4fac503890877a18206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966aba1da01ae5f57a924f0ed1ba26dc9f23c32bc892b4fac503890877a18206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966aba1da01ae5f57a924f0ed1ba26dc9f23c32bc892b4fac503890877a18206", kill_on_drop: false }`
[INFO] [stdout] 966aba1da01ae5f57a924f0ed1ba26dc9f23c32bc892b4fac503890877a18206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9773826766d84c834abd539f9629b5206916b5cf88bfac66e6a56b71a9db7872
[INFO] running `Command { std: "docker" "start" "-a" "9773826766d84c834abd539f9629b5206916b5cf88bfac66e6a56b71a9db7872", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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 dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "9773826766d84c834abd539f9629b5206916b5cf88bfac66e6a56b71a9db7872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9773826766d84c834abd539f9629b5206916b5cf88bfac66e6a56b71a9db7872", kill_on_drop: false }`
[INFO] [stdout] 9773826766d84c834abd539f9629b5206916b5cf88bfac66e6a56b71a9db7872