[INFO] fetching crate sorted-list 0.2.0...
[INFO] checking sorted-list-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate sorted-list 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sorted-list 0.2.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sorted-list 0.2.0
[INFO] finished tweaking crates.io crate sorted-list 0.2.0
[INFO] tweaked toml for crates.io crate sorted-list 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65efdd652fa3c3ee18ed19c0b30d5f9c9d3211ae86c3e7ec5e0c85f33030fd09
[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" "65efdd652fa3c3ee18ed19c0b30d5f9c9d3211ae86c3e7ec5e0c85f33030fd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65efdd652fa3c3ee18ed19c0b30d5f9c9d3211ae86c3e7ec5e0c85f33030fd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65efdd652fa3c3ee18ed19c0b30d5f9c9d3211ae86c3e7ec5e0c85f33030fd09", kill_on_drop: false }`
[INFO] [stdout] 65efdd652fa3c3ee18ed19c0b30d5f9c9d3211ae86c3e7ec5e0c85f33030fd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce0ac51f012b5c592f62f554b6412eac8c29335f54850f072e6fba4b71da6440
[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" "ce0ac51f012b5c592f62f554b6412eac8c29335f54850f072e6fba4b71da6440", kill_on_drop: false }`
[INFO] [stderr]     Checking sorted-list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 | /         /// 1000, 100 => 4.08s (3.76s release) originally
[INFO] [stdout] 562 | |         /// 1000, 100 for copy types: 0.66s (0.23s release)
[INFO] [stdout]     | |___________________________________________________________^
[INFO] [stdout] 563 |           let max_key = 1000;
[INFO] [stdout]     |           ------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce0ac51f012b5c592f62f554b6412eac8c29335f54850f072e6fba4b71da6440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0ac51f012b5c592f62f554b6412eac8c29335f54850f072e6fba4b71da6440", kill_on_drop: false }`
[INFO] [stdout] ce0ac51f012b5c592f62f554b6412eac8c29335f54850f072e6fba4b71da6440