[INFO] fetching crate rog_anime 1.3.0...
[INFO] checking rog_anime-1.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rog_anime 1.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rog_anime 1.3.0 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 rog_anime 1.3.0
[INFO] finished tweaking crates.io crate rog_anime 1.3.0
[INFO] tweaked toml for crates.io crate rog_anime 1.3.0 written to /workspace/builds/worker-2-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages
[INFO] [stderr]       Adding gif v0.11.4 (latest: v0.13.1)
[INFO] [stderr]       Adding glam v0.14.0 (latest: v0.27.0)
[INFO] [stderr]       Adding miniz_oxide v0.4.4 (latest: v0.7.2)
[INFO] [stderr]       Adding png_pong v0.8.2 (latest: v0.9.1)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] [stderr]       Adding zvariant v2.10.0 (latest: v4.0.2)
[INFO] [stderr]       Adding zvariant_derive v2.10.0 (latest: v4.0.2)
[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 png_pong v0.8.2
[INFO] [stderr]   Downloaded glam v0.14.0
[INFO] [stderr]   Downloaded zvariant v2.10.0
[INFO] [stderr]   Downloaded zvariant_derive v2.10.0
[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] 60500dd183c2769a95afa85428647be5609fc68394acb17d25929c25adc07180
[INFO] running `Command { std: "docker" "start" "-a" "60500dd183c2769a95afa85428647be5609fc68394acb17d25929c25adc07180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60500dd183c2769a95afa85428647be5609fc68394acb17d25929c25adc07180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60500dd183c2769a95afa85428647be5609fc68394acb17d25929c25adc07180", kill_on_drop: false }`
[INFO] [stdout] 60500dd183c2769a95afa85428647be5609fc68394acb17d25929c25adc07180
[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] 1eca2f7b06db7b406e375a070fdfe51588a2324666c8402411a6e3e5bdc1cadd
[INFO] running `Command { std: "docker" "start" "-a" "1eca2f7b06db7b406e375a070fdfe51588a2324666c8402411a6e3e5bdc1cadd", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling pix v0.13.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking png_pong v0.8.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling zvariant_derive v2.10.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]     Checking zvariant v2.10.0
[INFO] [stderr]     Checking rog_anime v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/grid.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct AnimeGrid([[u8; WIDTH]; HEIGHT], Option<Duration>);
[INFO] [stdout]    |            --------- field in this struct   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnimeGrid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct AnimeGrid([[u8; WIDTH]; HEIGHT], ());
[INFO] [stdout]    |                                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/diagonal.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AnimeDiagonal([[u8; WIDTH]; HEIGHT], Option<Duration>);
[INFO] [stdout]    |            ------------- field in this struct   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnimeDiagonal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AnimeDiagonal([[u8; WIDTH]; HEIGHT], ());
[INFO] [stdout]    |                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/grid.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct AnimeGrid([[u8; WIDTH]; HEIGHT], Option<Duration>);
[INFO] [stdout]    |            --------- field in this struct   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnimeGrid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct AnimeGrid([[u8; WIDTH]; HEIGHT], ());
[INFO] [stdout]    |                                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/diagonal.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AnimeDiagonal([[u8; WIDTH]; HEIGHT], Option<Duration>);
[INFO] [stdout]    |            ------------- field in this struct   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnimeDiagonal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AnimeDiagonal([[u8; WIDTH]; HEIGHT], ());
[INFO] [stdout]    |                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "1eca2f7b06db7b406e375a070fdfe51588a2324666c8402411a6e3e5bdc1cadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eca2f7b06db7b406e375a070fdfe51588a2324666c8402411a6e3e5bdc1cadd", kill_on_drop: false }`
[INFO] [stdout] 1eca2f7b06db7b406e375a070fdfe51588a2324666c8402411a6e3e5bdc1cadd