[INFO] fetching crate datalove-rt 0.1.0...
[INFO] checking datalove-rt-0.1.0 against c79f6bc4fc2389852aeff667626cb3e58adfe71c for pr-164081
[INFO] extracting crate datalove-rt 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate datalove-rt 0.1.0
[INFO] finished tweaking crates.io crate datalove-rt 0.1.0
[INFO] tweaked toml for crates.io crate datalove-rt 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate datalove-rt 0.1.0 on toolchain c79f6bc4fc2389852aeff667626cb3e58adfe71c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate datalove-rt 0.1.0 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" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3
[INFO] running `Command { std: "docker" "start" "13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling extension-trait v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking clap v4.5.45
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
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[INFO] [stderr]     Checking rustmax v0.0.10
[INFO] [stderr]     Checking datalove-rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/impls/list.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |     let mut list = unsafe { ListMut::new(list_value_mut as *mut List, element_ty) };
[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/impls/list.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |     let mut list = unsafe { ListMut::new(list_value_mut as *mut List, element_ty) };
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.71s
[INFO] running `Command { std: "docker" "inspect" "13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3", kill_on_drop: false }`
[INFO] [stdout] 13fe5e8a752b0f15115b99e211eff1846702c2293c6d12c6ff0fe446f134b7d3
