[INFO] fetching crate lipstick 0.2.0...
[INFO] testing lipstick-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate lipstick 0.2.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate lipstick 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded syn v1.0.68
[INFO] [stderr]   Downloaded codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ff76c23e276b6fc191bf4d9fbbaa852a2aedfbb462ab2082ee53ea33ca01ae7
[INFO] running `Command { std: "docker" "start" "-a" "1ff76c23e276b6fc191bf4d9fbbaa852a2aedfbb462ab2082ee53ea33ca01ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff76c23e276b6fc191bf4d9fbbaa852a2aedfbb462ab2082ee53ea33ca01ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff76c23e276b6fc191bf4d9fbbaa852a2aedfbb462ab2082ee53ea33ca01ae7", kill_on_drop: false }`
[INFO] [stdout] 1ff76c23e276b6fc191bf4d9fbbaa852a2aedfbb462ab2082ee53ea33ca01ae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c59c23c6b640736dc5e579aeb5b49208812b36b849f8ade6c15bcc4274285c
[INFO] running `Command { std: "docker" "start" "-a" "39c59c23c6b640736dc5e579aeb5b49208812b36b849f8ade6c15bcc4274285c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[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 7.53s
[INFO] running `Command { std: "docker" "inspect" "39c59c23c6b640736dc5e579aeb5b49208812b36b849f8ade6c15bcc4274285c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c59c23c6b640736dc5e579aeb5b49208812b36b849f8ade6c15bcc4274285c", kill_on_drop: false }`
[INFO] [stdout] 39c59c23c6b640736dc5e579aeb5b49208812b36b849f8ade6c15bcc4274285c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d31a4f4744dd633f1af87b1cadca194ead421198ba24e5e55b18639e497d7a8c
[INFO] running `Command { std: "docker" "start" "-a" "d31a4f4744dd633f1af87b1cadca194ead421198ba24e5e55b18639e497d7a8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.28s
[INFO] running `Command { std: "docker" "inspect" "d31a4f4744dd633f1af87b1cadca194ead421198ba24e5e55b18639e497d7a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31a4f4744dd633f1af87b1cadca194ead421198ba24e5e55b18639e497d7a8c", kill_on_drop: false }`
[INFO] [stdout] d31a4f4744dd633f1af87b1cadca194ead421198ba24e5e55b18639e497d7a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d845b083fcf1ee5f983f60ea57dd842dd9d160306a1313bc7f3011cf7ce58e83
[INFO] running `Command { std: "docker" "start" "-a" "d845b083fcf1ee5f983f60ea57dd842dd9d160306a1313bc7f3011cf7ce58e83", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `exit`
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stderr]    |
[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 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lipstick-ca47555f16ea7184)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d845b083fcf1ee5f983f60ea57dd842dd9d160306a1313bc7f3011cf7ce58e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d845b083fcf1ee5f983f60ea57dd842dd9d160306a1313bc7f3011cf7ce58e83", kill_on_drop: false }`
[INFO] [stdout] d845b083fcf1ee5f983f60ea57dd842dd9d160306a1313bc7f3011cf7ce58e83