[INFO] fetching crate range-split 0.3.0...
[INFO] checking range-split-0.3.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate range-split 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate range-split 0.3.0 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate range-split 0.3.0
[INFO] finished tweaking crates.io crate range-split 0.3.0
[INFO] tweaked toml for crates.io crate range-split 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b95167f9e7dc29c589b7d53d33562ceb18d930576ecd4305f4de6c59ada8358f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b95167f9e7dc29c589b7d53d33562ceb18d930576ecd4305f4de6c59ada8358f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b95167f9e7dc29c589b7d53d33562ceb18d930576ecd4305f4de6c59ada8358f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95167f9e7dc29c589b7d53d33562ceb18d930576ecd4305f4de6c59ada8358f", kill_on_drop: false }`
[INFO] [stdout] b95167f9e7dc29c589b7d53d33562ceb18d930576ecd4305f4de6c59ada8358f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e28166874b9d066289de62755eacd4ae3eaa0f4db3f761ba42a21c055445dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40e28166874b9d066289de62755eacd4ae3eaa0f4db3f761ba42a21c055445dc", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking range-split v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/str.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 113 |         Err(OutOfBuffer)
[INFO] [stdout]     |         ---------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/str.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 113 |         Err(OutOfBuffer)
[INFO] [stdout]     |         ---------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "40e28166874b9d066289de62755eacd4ae3eaa0f4db3f761ba42a21c055445dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e28166874b9d066289de62755eacd4ae3eaa0f4db3f761ba42a21c055445dc", kill_on_drop: false }`
[INFO] [stdout] 40e28166874b9d066289de62755eacd4ae3eaa0f4db3f761ba42a21c055445dc