[INFO] fetching crate kanata-keyberon 0.150.3...
[INFO] checking kanata-keyberon-0.150.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kanata-keyberon 0.150.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kanata-keyberon 0.150.3 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 kanata-keyberon 0.150.3
[INFO] finished tweaking crates.io crate kanata-keyberon 0.150.3
[INFO] tweaked toml for crates.io crate kanata-keyberon 0.150.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding arraydeque v0.4.5 (latest: v0.5.1)
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded kanata-keyberon-macros v0.2.0
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6433de1b9d1a50cef7a7e2e024ca763eaa8d2dd0309e0d28262c03c4f673e518
[INFO] running `Command { std: "docker" "start" "-a" "6433de1b9d1a50cef7a7e2e024ca763eaa8d2dd0309e0d28262c03c4f673e518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6433de1b9d1a50cef7a7e2e024ca763eaa8d2dd0309e0d28262c03c4f673e518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6433de1b9d1a50cef7a7e2e024ca763eaa8d2dd0309e0d28262c03c4f673e518", kill_on_drop: false }`
[INFO] [stdout] 6433de1b9d1a50cef7a7e2e024ca763eaa8d2dd0309e0d28262c03c4f673e518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8591ea5e50003b99991d71794cbedc39c38fcbf703445967680801950048c793
[INFO] running `Command { std: "docker" "start" "-a" "8591ea5e50003b99991d71794cbedc39c38fcbf703445967680801950048c793", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling kanata-keyberon-macros v0.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking kanata-keyberon v0.150.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Layout` is imported redundantly
[INFO] [stdout]     --> src/layout.rs:1606:27
[INFO] [stdout]      |
[INFO] [stdout] 1606 |     use super::{Event::*, Layout, *};
[INFO] [stdout]      |                           ^^^^^^  - the item `Layout` is already imported here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HoldTapConfig` is imported redundantly
[INFO] [stdout]     --> src/layout.rs:1608:9
[INFO] [stdout]      |
[INFO] [stdout] 1606 |     use super::{Event::*, Layout, *};
[INFO] [stdout]      |                                   - the item `HoldTapConfig` is already imported here
[INFO] [stdout] 1607 |     use crate::action::Action::*;
[INFO] [stdout] 1608 |     use crate::action::HoldTapConfig;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `k` is imported redundantly
[INFO] [stdout]     --> src/layout.rs:1609:25
[INFO] [stdout]      |
[INFO] [stdout] 1606 |     use super::{Event::*, Layout, *};
[INFO] [stdout]      |                                   - the item `k` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1609 |     use crate::action::{k, l};
[INFO] [stdout]      |                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `l` is imported redundantly
[INFO] [stdout]     --> src/layout.rs:1609:28
[INFO] [stdout]      |
[INFO] [stdout] 1606 |     use super::{Event::*, Layout, *};
[INFO] [stdout]      |                                   - the item `l` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1609 |     use crate::action::{k, l};
[INFO] [stdout]      |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "8591ea5e50003b99991d71794cbedc39c38fcbf703445967680801950048c793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8591ea5e50003b99991d71794cbedc39c38fcbf703445967680801950048c793", kill_on_drop: false }`
[INFO] [stdout] 8591ea5e50003b99991d71794cbedc39c38fcbf703445967680801950048c793