[INFO] fetching crate lipstick 0.2.0...
[INFO] testing lipstick-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate lipstick 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lipstick 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-4/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", 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] 3a6508181f975bb672c18388aa7d3bc6617874218256b29534a857a26c9e8ce7
[INFO] running `Command { std: "docker" "start" "-a" "3a6508181f975bb672c18388aa7d3bc6617874218256b29534a857a26c9e8ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6508181f975bb672c18388aa7d3bc6617874218256b29534a857a26c9e8ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6508181f975bb672c18388aa7d3bc6617874218256b29534a857a26c9e8ce7", kill_on_drop: false }`
[INFO] [stdout] 3a6508181f975bb672c18388aa7d3bc6617874218256b29534a857a26c9e8ce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4957c4baec83b8b45ca816a3be4684b43c728e487957ac039774a6dc2c60a2
[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" "ee4957c4baec83b8b45ca816a3be4684b43c728e487957ac039774a6dc2c60a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.81s
[INFO] running `Command { std: "docker" "inspect" "ee4957c4baec83b8b45ca816a3be4684b43c728e487957ac039774a6dc2c60a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4957c4baec83b8b45ca816a3be4684b43c728e487957ac039774a6dc2c60a2", kill_on_drop: false }`
[INFO] [stdout] ee4957c4baec83b8b45ca816a3be4684b43c728e487957ac039774a6dc2c60a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ecf90717da9c024a85c4452d9fd44921694871da60d3d3323fde3de0ddaf465
[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" "4ecf90717da9c024a85c4452d9fd44921694871da60d3d3323fde3de0ddaf465", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "4ecf90717da9c024a85c4452d9fd44921694871da60d3d3323fde3de0ddaf465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecf90717da9c024a85c4452d9fd44921694871da60d3d3323fde3de0ddaf465", kill_on_drop: false }`
[INFO] [stdout] 4ecf90717da9c024a85c4452d9fd44921694871da60d3d3323fde3de0ddaf465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acf4c00e1aa8eeb432d9c92fcfbe4a1d7d96146760c3c0f9f7f037467e3587f9
[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" "acf4c00e1aa8eeb432d9c92fcfbe4a1d7d96146760c3c0f9f7f037467e3587f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: unused variable: `exit`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 54 |         let exit = Command::new("cc")
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_exit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Paren`
[INFO] [stderr]     --> src/codegen.rs:1462:5
[INFO] [stderr]      |
[INFO] [stderr] 1462 |     Paren(Box<Declarator>),
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]     --> src/codegen.rs:1463:5
[INFO] [stderr]      |
[INFO] [stderr] 1463 |     Array(Box<Self>, Expr),
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]     --> src/codegen.rs:1464:5
[INFO] [stderr]      |
[INFO] [stderr] 1464 |     Function,
[INFO] [stderr]      |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lipstick` (bin "lipstick" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lipstick-ca47555f16ea7184)
[INFO] running `Command { std: "docker" "inspect" "acf4c00e1aa8eeb432d9c92fcfbe4a1d7d96146760c3c0f9f7f037467e3587f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf4c00e1aa8eeb432d9c92fcfbe4a1d7d96146760c3c0f9f7f037467e3587f9", kill_on_drop: false }`
[INFO] [stdout] acf4c00e1aa8eeb432d9c92fcfbe4a1d7d96146760c3c0f9f7f037467e3587f9