[INFO] cloning repository https://github.com/mattwparas/rucket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattwparas/rucket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b72a4d304e76dcacc3fdbbdbc384b1b8bca0d87a
[INFO] documenting mattwparas/rucket against 1.71.0 for beta-1.72-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattwparas/rucket on toolchain 1.71.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.71.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattwparas/rucket
[INFO] finished tweaking git repo https://github.com/mattwparas/rucket
[INFO] tweaked toml for git repo https://github.com/mattwparas/rucket written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mattwparas/rucket 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" "+1.71.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+1.71.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8c8c6e46bff34caac65a389b13d703103d72901f0eab04f8fa58f540d8b12b20", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+1.71.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking steel-gen v0.2.0 (/opt/rustwide/workdir/crates/steel-gen)
[INFO] [stderr]     Checking steel-parser v0.2.0 (/opt/rustwide/workdir/crates/steel-parser)
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[INFO] [stderr]    Compiling steel-core v0.2.0 (/opt/rustwide/workdir/crates/steel-core)
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/steel-core/src/compiler/passes/analysis.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let mut existing = self.info.get_mut(&object.syntax_object_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/steel-core/src/compiler/passes/analysis.rs:1461:29
[INFO] [stdout]      |
[INFO] [stdout] 1461 |                 if let Some(mut var) = self.info.get_mut(&id) {
[INFO] [stdout]      |                             ----^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking steel-doc v0.2.0 (/opt/rustwide/workdir/crates/steel-doc)
[INFO] [stderr]     Checking steel-repl v0.2.0 (/opt/rustwide/workdir/crates/steel-repl)
[INFO] [stderr]     Checking steel-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting steel-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.88s
[INFO] running `Command { std: "docker" "inspect" "9636c94b8a81ebb2a97bf905dd0ce9d287e83fba909cc222913407fe1a87e7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9636c94b8a81ebb2a97bf905dd0ce9d287e83fba909cc222913407fe1a87e7ce", kill_on_drop: false }`
[INFO] [stdout] 9636c94b8a81ebb2a97bf905dd0ce9d287e83fba909cc222913407fe1a87e7ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+1.71.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5111dbb2146cbe9b7957ed8adcfcedb95c4e939c1a0fd83ecd6275cdf2b20d3f
[INFO] running `Command { std: "docker" "start" "-a" "5111dbb2146cbe9b7957ed8adcfcedb95c4e939c1a0fd83ecd6275cdf2b20d3f", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/steel-core/src/compiler/passes/analysis.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let mut existing = self.info.get_mut(&object.syntax_object_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/steel-core/src/compiler/passes/analysis.rs:1461:29
[INFO] [stdout]      |
[INFO] [stdout] 1461 |                 if let Some(mut var) = self.info.get_mut(&id) {
[INFO] [stdout]      |                             ----^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting steel-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "5111dbb2146cbe9b7957ed8adcfcedb95c4e939c1a0fd83ecd6275cdf2b20d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5111dbb2146cbe9b7957ed8adcfcedb95c4e939c1a0fd83ecd6275cdf2b20d3f", kill_on_drop: false }`
[INFO] [stdout] 5111dbb2146cbe9b7957ed8adcfcedb95c4e939c1a0fd83ecd6275cdf2b20d3f