[INFO] fetching crate danmu2ass 0.2.1...
[INFO] checking danmu2ass-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate danmu2ass 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate danmu2ass 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate danmu2ass 0.2.1
[INFO] finished tweaking crates.io crate danmu2ass 0.2.1
[INFO] tweaked toml for crates.io crate danmu2ass 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate danmu2ass 0.2.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `season_id`, `season_title`, `media_id`, and `cover` are never read
[INFO] [stdout]   --> src/bilibili/season.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Season {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     pub season_id: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 19 |     pub season_title: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 20 |     pub media_id: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub cover: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Season` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aid` and `bvid` are never read
[INFO] [stdout]   --> src/bilibili/season.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Episode {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 30 |     pub aid: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 31 |     pub bvid: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Episode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `season_id`, `season_title`, `media_id`, and `cover` are never read
[INFO] [stdout]   --> src/bilibili/season.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Season {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     pub season_id: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 19 |     pub season_title: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 20 |     pub media_id: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub cover: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Season` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aid` and `bvid` are never read
[INFO] [stdout]   --> src/bilibili/season.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Episode {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 30 |     pub aid: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 31 |     pub bvid: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Episode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 11.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b0a653c29ea5294c8d5979f21dcd87d39e46fc9234f3fdf11c7e233d986fedea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a653c29ea5294c8d5979f21dcd87d39e46fc9234f3fdf11c7e233d986fedea", kill_on_drop: false }`
[INFO] [stdout] b0a653c29ea5294c8d5979f21dcd87d39e46fc9234f3fdf11c7e233d986fedea