[INFO] fetching crate doublepivot-quicksort 0.2.0...
[INFO] checking doublepivot-quicksort-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate doublepivot-quicksort 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate doublepivot-quicksort 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 doublepivot-quicksort 0.2.0
[INFO] finished tweaking crates.io crate doublepivot-quicksort 0.2.0
[INFO] tweaked toml for crates.io crate doublepivot-quicksort 0.2.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0b8b0c5b6e8b5c3fab891d4ee641f73ae8e9119e91cd9fb9c306f14b79e9f0c
[INFO] running `Command { std: "docker" "start" "-a" "a0b8b0c5b6e8b5c3fab891d4ee641f73ae8e9119e91cd9fb9c306f14b79e9f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b8b0c5b6e8b5c3fab891d4ee641f73ae8e9119e91cd9fb9c306f14b79e9f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b8b0c5b6e8b5c3fab891d4ee641f73ae8e9119e91cd9fb9c306f14b79e9f0c", kill_on_drop: false }`
[INFO] [stdout] a0b8b0c5b6e8b5c3fab891d4ee641f73ae8e9119e91cd9fb9c306f14b79e9f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 80b58b074c0d8f31f2bf5e368720a73caa32f4ecfe7c4034c82fb5c62b0357bc
[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" "80b58b074c0d8f31f2bf5e368720a73caa32f4ecfe7c4034c82fb5c62b0357bc", 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] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking doublepivot-quicksort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stdout] error[E0425]: cannot find value `vq` in this scope
[INFO] [stdout]    --> src/lib.rs:140:6
[INFO] [stdout]     |
[INFO] [stdout] 140 |         vq.sort();
[INFO] [stdout]     |         ^^ help: a local variable with a similar name exists: `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `doublepivot-quicksort`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "80b58b074c0d8f31f2bf5e368720a73caa32f4ecfe7c4034c82fb5c62b0357bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b58b074c0d8f31f2bf5e368720a73caa32f4ecfe7c4034c82fb5c62b0357bc", kill_on_drop: false }`
[INFO] [stdout] 80b58b074c0d8f31f2bf5e368720a73caa32f4ecfe7c4034c82fb5c62b0357bc