[INFO] fetching crate lrumap 0.1.0...
[INFO] checking lrumap-0.1.0 against master#b92758a9aef1cef7b79e2b72c3d8ba113e547f89 for pr-124305-1
[INFO] extracting crate lrumap 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lrumap 0.1.0 on toolchain b92758a9aef1cef7b79e2b72c3d8ba113e547f89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate lrumap 0.1.0
[INFO] finished tweaking crates.io crate lrumap 0.1.0
[INFO] tweaked toml for crates.io crate lrumap 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.8.11
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded version_check v0.9.4
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.34
[INFO] [stderr]   Downloaded once_cell v1.19.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.83
[INFO] [stderr]   Downloaded syn v2.0.65
[INFO] [stderr]   Downloaded zerocopy v0.7.34
[INFO] [stderr]   Downloaded hashbrown v0.13.2
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee01b286830272428812786a694849fdee236bb8db5fbf12ce5abd304d67918c
[INFO] running `Command { std: "docker" "start" "-a" "ee01b286830272428812786a694849fdee236bb8db5fbf12ce5abd304d67918c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee01b286830272428812786a694849fdee236bb8db5fbf12ce5abd304d67918c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee01b286830272428812786a694849fdee236bb8db5fbf12ce5abd304d67918c", kill_on_drop: false }`
[INFO] [stdout] ee01b286830272428812786a694849fdee236bb8db5fbf12ce5abd304d67918c
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 110ac755b6f2eff6e43b34d220d24ba2567e92a3e5748a1ee8809b6a90d78999
[INFO] running `Command { std: "docker" "start" "-a" "110ac755b6f2eff6e43b34d220d24ba2567e92a3e5748a1ee8809b6a90d78999", kill_on_drop: false }`
[INFO] [stderr]     Checking lrumap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lru.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut entry = &mut self.nodes[node.as_usize()];
[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]    --> src/lru.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut previous_head = &mut self.nodes[self.head.unwrap().as_usize()];
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lru.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut entry = &mut self.nodes[node.as_usize()];
[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]    --> src/lru.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut previous_head = &mut self.nodes[self.head.unwrap().as_usize()];
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "110ac755b6f2eff6e43b34d220d24ba2567e92a3e5748a1ee8809b6a90d78999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110ac755b6f2eff6e43b34d220d24ba2567e92a3e5748a1ee8809b6a90d78999", kill_on_drop: false }`
[INFO] [stdout] 110ac755b6f2eff6e43b34d220d24ba2567e92a3e5748a1ee8809b6a90d78999