[INFO] fetching crate tui 0.19.0...
[INFO] checking tui-0.19.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tui 0.19.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tui 0.19.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tui 0.19.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tui 0.19.0
[INFO] tweaked toml for crates.io crate tui 0.19.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate tui 0.19.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_derive v0.1.8
[INFO] [stderr]   Downloaded argh v0.1.8
[INFO] [stderr]   Downloaded argh_shared v0.1.8
[INFO] [stderr]   Downloaded libc v0.2.131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 118eb0701a618b07691c2abbc2c15b7be4711f9d0d008f95763616fb3c316d7b
[INFO] running `Command { std: "docker" "start" "-a" "118eb0701a618b07691c2abbc2c15b7be4711f9d0d008f95763616fb3c316d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "118eb0701a618b07691c2abbc2c15b7be4711f9d0d008f95763616fb3c316d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118eb0701a618b07691c2abbc2c15b7be4711f9d0d008f95763616fb3c316d7b", kill_on_drop: false }`
[INFO] [stdout] 118eb0701a618b07691c2abbc2c15b7be4711f9d0d008f95763616fb3c316d7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64ed3c693f1cd0d2165d63b3dc8aa6330bdf5b5e6514603de0d30a73ab60fca
[INFO] running `Command { std: "docker" "start" "-a" "b64ed3c693f1cd0d2165d63b3dc8aa6330bdf5b5e6514603de0d30a73ab60fca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling argh_shared v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking tui v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `width` and `height` are never used
[INFO] [stdout]   --> src/widgets/canvas/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | trait Grid: Debug {
[INFO] [stdout]    |       ---- methods in this trait
[INFO] [stdout] 42 |     fn width(&self) -> u16;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 43 |     fn height(&self) -> u16;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling argh_derive v0.1.8
[INFO] [stderr]     Checking argh v0.1.8
[INFO] [stdout] warning: the item `Rect` is imported redundantly
[INFO] [stdout]    --> src/widgets/block.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rect` is already imported here
[INFO] [stdout] 243 |     use crate::layout::Rect;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnicodeSegmentation` is imported redundantly
[INFO] [stdout]    --> src/widgets/reflow.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     use super::*;
[INFO] [stdout]     |         -------- the item `UnicodeSegmentation` is already imported here
[INFO] [stdout] 235 |     use unicode_segmentation::UnicodeSegmentation;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `width` and `height` are never used
[INFO] [stdout]   --> src/widgets/canvas/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | trait Grid: Debug {
[INFO] [stdout]    |       ---- methods in this trait
[INFO] [stdout] 42 |     fn width(&self) -> u16;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 43 |     fn height(&self) -> u16;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "b64ed3c693f1cd0d2165d63b3dc8aa6330bdf5b5e6514603de0d30a73ab60fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64ed3c693f1cd0d2165d63b3dc8aa6330bdf5b5e6514603de0d30a73ab60fca", kill_on_drop: false }`
[INFO] [stdout] b64ed3c693f1cd0d2165d63b3dc8aa6330bdf5b5e6514603de0d30a73ab60fca