[INFO] fetching crate lipstick 0.2.0...
[INFO] checking lipstick-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate lipstick 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lipstick 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lipstick 0.2.0
[INFO] finished tweaking crates.io crate lipstick 0.2.0
[INFO] tweaked toml for crates.io crate lipstick 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate lipstick 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d22fec0a7acb81546e883300876898d9eaadb8dac2917709fd6f3e1682bb630
[INFO] running `Command { std: "docker" "start" "-a" "9d22fec0a7acb81546e883300876898d9eaadb8dac2917709fd6f3e1682bb630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d22fec0a7acb81546e883300876898d9eaadb8dac2917709fd6f3e1682bb630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d22fec0a7acb81546e883300876898d9eaadb8dac2917709fd6f3e1682bb630", kill_on_drop: false }`
[INFO] [stdout] 9d22fec0a7acb81546e883300876898d9eaadb8dac2917709fd6f3e1682bb630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11ac3df62620f5f76885f27a000437518a24fe52ed9c60ec3a7258b7f2c83dcb
[INFO] running `Command { std: "docker" "start" "-a" "11ac3df62620f5f76885f27a000437518a24fe52ed9c60ec3a7258b7f2c83dcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking lipstick v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `exit`
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let exit = Command::new("cc")
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_exit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit`
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let exit = Command::new("cc")
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_exit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Paren`
[INFO] [stdout]     --> src/codegen.rs:1462:5
[INFO] [stdout]      |
[INFO] [stdout] 1462 |     Paren(Box<Declarator>),
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]     --> src/codegen.rs:1463:5
[INFO] [stdout]      |
[INFO] [stdout] 1463 |     Array(Box<Self>, Expr),
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]     --> src/codegen.rs:1464:5
[INFO] [stdout]      |
[INFO] [stdout] 1464 |     Function,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Paren`
[INFO] [stdout]     --> src/codegen.rs:1462:5
[INFO] [stdout]      |
[INFO] [stdout] 1462 |     Paren(Box<Declarator>),
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]     --> src/codegen.rs:1463:5
[INFO] [stdout]      |
[INFO] [stdout] 1463 |     Array(Box<Self>, Expr),
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]     --> src/codegen.rs:1464:5
[INFO] [stdout]      |
[INFO] [stdout] 1464 |     Function,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "11ac3df62620f5f76885f27a000437518a24fe52ed9c60ec3a7258b7f2c83dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ac3df62620f5f76885f27a000437518a24fe52ed9c60ec3a7258b7f2c83dcb", kill_on_drop: false }`
[INFO] [stdout] 11ac3df62620f5f76885f27a000437518a24fe52ed9c60ec3a7258b7f2c83dcb
