[INFO] fetching crate rss-forwarder 0.7.0-alpha.1...
[INFO] checking rss-forwarder-0.7.0-alpha.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rss-forwarder 0.7.0-alpha.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rss-forwarder 0.7.0-alpha.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 rss-forwarder 0.7.0-alpha.1
[INFO] finished tweaking crates.io crate rss-forwarder 0.7.0-alpha.1
[INFO] tweaked toml for crates.io crate rss-forwarder 0.7.0-alpha.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate rss-forwarder 0.7.0-alpha.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 }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_datetime v0.6.2
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[INFO] [stderr]   Downloaded rss v2.0.4
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded html5ever v0.26.0
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[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59d3aab11a22f0a7a2c10af880c0b594e98037c05a062ded59215ca9bbdcc66a
[INFO] running `Command { std: "docker" "start" "-a" "59d3aab11a22f0a7a2c10af880c0b594e98037c05a062ded59215ca9bbdcc66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59d3aab11a22f0a7a2c10af880c0b594e98037c05a062ded59215ca9bbdcc66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d3aab11a22f0a7a2c10af880c0b594e98037c05a062ded59215ca9bbdcc66a", kill_on_drop: false }`
[INFO] [stdout] 59d3aab11a22f0a7a2c10af880c0b594e98037c05a062ded59215ca9bbdcc66a
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e36e2aea673509920ff2e7a85f16d76fa422da5fc78d31c4023870ec980214f9
[INFO] running `Command { std: "docker" "start" "-a" "e36e2aea673509920ff2e7a85f16d76fa422da5fc78d31c4023870ec980214f9", kill_on_drop: false }`
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[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking rss-forwarder v0.7.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_atom` is never used
[INFO] [stdout]   --> src/feed/mod.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Feed {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmbedImage` is never constructed
[INFO] [stdout]    --> src/sink/discord.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct EmbedImage<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_atom` is never used
[INFO] [stdout]   --> src/feed/mod.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Feed {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmbedImage` is never constructed
[INFO] [stdout]    --> src/sink/discord.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct EmbedImage<'a> {
[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 17.36s
[INFO] running `Command { std: "docker" "inspect" "e36e2aea673509920ff2e7a85f16d76fa422da5fc78d31c4023870ec980214f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36e2aea673509920ff2e7a85f16d76fa422da5fc78d31c4023870ec980214f9", kill_on_drop: false }`
[INFO] [stdout] e36e2aea673509920ff2e7a85f16d76fa422da5fc78d31c4023870ec980214f9