[INFO] fetching crate rss-forwarder 0.7.1...
[INFO] checking rss-forwarder-0.7.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rss-forwarder 0.7.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rss-forwarder 0.7.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rss-forwarder 0.7.1
[INFO] finished tweaking crates.io crate rss-forwarder 0.7.1
[INFO] tweaked toml for crates.io crate rss-forwarder 0.7.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rss-forwarder 0.7.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.201
[INFO] [stderr]   Downloaded mimalloc v0.1.41
[INFO] [stderr]   Downloaded tokio-socks v0.5.1
[INFO] [stderr]   Downloaded rss v2.0.7
[INFO] [stderr]   Downloaded atom_syndication v0.12.2
[INFO] [stderr]   Downloaded toml v0.8.12
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[INFO] [stderr]   Downloaded toml_edit v0.22.12
[INFO] [stderr]   Downloaded serde_derive v1.0.201
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[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.37
[INFO] [stderr]   Downloaded brotli-decompressor v4.0.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 872ec0e2a514249889b8bd3b53b9ac4ecd6c83fec851d5b93b46cab367ae2211
[INFO] running `Command { std: "docker" "start" "-a" "872ec0e2a514249889b8bd3b53b9ac4ecd6c83fec851d5b93b46cab367ae2211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872ec0e2a514249889b8bd3b53b9ac4ecd6c83fec851d5b93b46cab367ae2211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872ec0e2a514249889b8bd3b53b9ac4ecd6c83fec851d5b93b46cab367ae2211", kill_on_drop: false }`
[INFO] [stdout] 872ec0e2a514249889b8bd3b53b9ac4ecd6c83fec851d5b93b46cab367ae2211
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe2011b44b2b731a918a2307b20b1649820db5b336d7fc1f93511535fe364e7
[INFO] running `Command { std: "docker" "start" "-a" "cfe2011b44b2b731a918a2307b20b1649820db5b336d7fc1f93511535fe364e7", kill_on_drop: false }`
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[INFO] [stderr]     Checking rss-forwarder v0.7.1 (/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: 2 warnings emitted
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.91s
[INFO] running `Command { std: "docker" "inspect" "cfe2011b44b2b731a918a2307b20b1649820db5b336d7fc1f93511535fe364e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe2011b44b2b731a918a2307b20b1649820db5b336d7fc1f93511535fe364e7", kill_on_drop: false }`
[INFO] [stdout] cfe2011b44b2b731a918a2307b20b1649820db5b336d7fc1f93511535fe364e7