[INFO] fetching crate livid 0.2.13...
[INFO] checking livid-0.2.13 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate livid 0.2.13 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate livid 0.2.13 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 livid 0.2.13
[INFO] finished tweaking crates.io crate livid 0.2.13
[INFO] tweaked toml for crates.io crate livid 0.2.13 written to /workspace/builds/worker-0-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 16 packages
[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]     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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9956aca173c92ba5b46960d1bbdbe164bb485d889c04d2abed323ee40f0e558d
[INFO] running `Command { std: "docker" "start" "-a" "9956aca173c92ba5b46960d1bbdbe164bb485d889c04d2abed323ee40f0e558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9956aca173c92ba5b46960d1bbdbe164bb485d889c04d2abed323ee40f0e558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9956aca173c92ba5b46960d1bbdbe164bb485d889c04d2abed323ee40f0e558d", kill_on_drop: false }`
[INFO] [stdout] 9956aca173c92ba5b46960d1bbdbe164bb485d889c04d2abed323ee40f0e558d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6e624b0c780b5a06a480d6ba4e434ba4ffc128ed9fc4d4a50bac0ba8b8653b08
[INFO] running `Command { std: "docker" "start" "-a" "6e624b0c780b5a06a480d6ba4e434ba4ffc128ed9fc4d4a50bac0ba8b8653b08", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking livid v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `UnwrapThrowExt` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout] 7 | use wasm_bindgen::UnwrapThrowExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `UnwrapThrowExt` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout] 7 | use wasm_bindgen::UnwrapThrowExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.47s
[INFO] running `Command { std: "docker" "inspect" "6e624b0c780b5a06a480d6ba4e434ba4ffc128ed9fc4d4a50bac0ba8b8653b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e624b0c780b5a06a480d6ba4e434ba4ffc128ed9fc4d4a50bac0ba8b8653b08", kill_on_drop: false }`
[INFO] [stdout] 6e624b0c780b5a06a480d6ba4e434ba4ffc128ed9fc4d4a50bac0ba8b8653b08