[INFO] fetching crate liveboat 1.1.7...
[INFO] checking liveboat-1.1.7 against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149518
[INFO] extracting crate liveboat 1.1.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate liveboat 1.1.7
[INFO] finished tweaking crates.io crate liveboat 1.1.7
[INFO] tweaked toml for crates.io crate liveboat 1.1.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liveboat 1.1.7 on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate liveboat 1.1.7 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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded never v0.1.0
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[INFO] [stderr]   Downloaded temp-dir v0.1.16
[INFO] [stderr]   Downloaded gettext-rs v0.7.7
[INFO] [stderr]   Downloaded hard-xml-derive v1.41.0
[INFO] [stderr]   Downloaded hard-xml v1.41.0
[INFO] [stderr]   Downloaded readability-liveboat v0.3.4
[INFO] [stderr]   Downloaded curl-sys v0.4.84+curl-8.17.0
[INFO] [stderr]   Downloaded strprintf v0.1.0
[INFO] [stderr]   Downloaded gettext-sys v0.26.0
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf02a3acdbb80d5450b13ade282acedcf6ad9277ddca172443bb0e098adbb84f
[INFO] running `Command { std: "docker" "start" "-a" "bf02a3acdbb80d5450b13ade282acedcf6ad9277ddca172443bb0e098adbb84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf02a3acdbb80d5450b13ade282acedcf6ad9277ddca172443bb0e098adbb84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf02a3acdbb80d5450b13ade282acedcf6ad9277ddca172443bb0e098adbb84f", kill_on_drop: false }`
[INFO] [stdout] bf02a3acdbb80d5450b13ade282acedcf6ad9277ddca172443bb0e098adbb84f
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79809f1a77ce83074062cbd45b98564ab0f9165169fa1249bec2048fa615efd1
[INFO] running `Command { std: "docker" "start" "-a" "79809f1a77ce83074062cbd45b98564ab0f9165169fa1249bec2048fa615efd1", kill_on_drop: false }`
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[INFO] [stderr]     Checking readability-liveboat v0.3.4
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[INFO] [stderr]     Checking liveboat v1.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builders/utils.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut item = FeedItem::new(
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builders/utils.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let mut f3 = Feed::init_query_feed("Query feed".to_string(), 1);
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builders/utils.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut item = FeedItem::new(
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builders/utils.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let mut f3 = Feed::init_query_feed("Query feed".to_string(), 1);
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] running `Command { std: "docker" "inspect" "79809f1a77ce83074062cbd45b98564ab0f9165169fa1249bec2048fa615efd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79809f1a77ce83074062cbd45b98564ab0f9165169fa1249bec2048fa615efd1", kill_on_drop: false }`
[INFO] [stdout] 79809f1a77ce83074062cbd45b98564ab0f9165169fa1249bec2048fa615efd1
