[INFO] fetching crate vecgenericindex 0.1.0...
[INFO] testing vecgenericindex-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate vecgenericindex 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate vecgenericindex 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vecgenericindex 0.1.0
[INFO] finished tweaking crates.io crate vecgenericindex 0.1.0
[INFO] tweaked toml for crates.io crate vecgenericindex 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dbbd5b1a6c82c8eaa0e5fa00697c5d38d47ce94906f3d6a0a3d04ce60d45500
[INFO] running `Command { std: "docker" "start" "-a" "5dbbd5b1a6c82c8eaa0e5fa00697c5d38d47ce94906f3d6a0a3d04ce60d45500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dbbd5b1a6c82c8eaa0e5fa00697c5d38d47ce94906f3d6a0a3d04ce60d45500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbbd5b1a6c82c8eaa0e5fa00697c5d38d47ce94906f3d6a0a3d04ce60d45500", kill_on_drop: false }`
[INFO] [stdout] 5dbbd5b1a6c82c8eaa0e5fa00697c5d38d47ce94906f3d6a0a3d04ce60d45500
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16e5fc724d213056847d48c69ded4e07a5d699f501196be49e12a10ebef4cdd
[INFO] running `Command { std: "docker" "start" "-a" "c16e5fc724d213056847d48c69ded4e07a5d699f501196be49e12a10ebef4cdd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vecgenericindex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::collections::range`
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::range::RangeArgument;
[INFO] [stdout]    |                       ^^^^^ could not find `range` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Drain`
[INFO] [stdout]   --> src/lib.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::vec::{Drain,Splice,DrainFilter};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stdout]   --> src/lib.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::ops::{Deref,DerefMut,Index,IndexMut};
[INFO] [stdout]    |                ^^^^^ ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vecgenericindex` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c16e5fc724d213056847d48c69ded4e07a5d699f501196be49e12a10ebef4cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16e5fc724d213056847d48c69ded4e07a5d699f501196be49e12a10ebef4cdd", kill_on_drop: false }`
[INFO] [stdout] c16e5fc724d213056847d48c69ded4e07a5d699f501196be49e12a10ebef4cdd