[INFO] fetching crate cliask 0.1.1...
[INFO] checking cliask-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate cliask 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cliask 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cliask 0.1.1
[INFO] tweaked toml for crates.io crate cliask 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cliask 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cliask 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f93e3d952d778ad7a266007aba884da6079c9844d633c5594d3d9819e6ec556a
[INFO] running `Command { std: "docker" "start" "-a" "f93e3d952d778ad7a266007aba884da6079c9844d633c5594d3d9819e6ec556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f93e3d952d778ad7a266007aba884da6079c9844d633c5594d3d9819e6ec556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93e3d952d778ad7a266007aba884da6079c9844d633c5594d3d9819e6ec556a", kill_on_drop: false }`
[INFO] [stdout] f93e3d952d778ad7a266007aba884da6079c9844d633c5594d3d9819e6ec556a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea0939a9c9def5e761c267b8532eb5149ee84905da41fb4296e0e1185a6a804
[INFO] running `Command { std: "docker" "start" "-a" "dea0939a9c9def5e761c267b8532eb5149ee84905da41fb4296e0e1185a6a804", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking termion v4.0.5
[INFO] [stderr]    Compiling cliask-derive v0.1.0
[INFO] [stderr]     Checking cliask v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ynanswer`
[INFO] [stdout]   --> examples/action_prompt.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let ynanswer: Result<YesNoPrompt, _> = cliask::ActionPrompt::new().run();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ynanswer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mcanswer`
[INFO] [stdout]   --> examples/action_prompt.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mcanswer : Result<MultiChoicePrompt, _> = cliask::ActionPrompt::new().with_default(MultiChoicePrompt::Explode).run();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mcanswer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "dea0939a9c9def5e761c267b8532eb5149ee84905da41fb4296e0e1185a6a804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea0939a9c9def5e761c267b8532eb5149ee84905da41fb4296e0e1185a6a804", kill_on_drop: false }`
[INFO] [stdout] dea0939a9c9def5e761c267b8532eb5149ee84905da41fb4296e0e1185a6a804