[INFO] crate vecgenericindex 0.1.0 is already in cache
[INFO] testing vecgenericindex-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate vecgenericindex 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate vecgenericindex 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e97c68061e79fea57890593cfb44a53ce45f6bf4939520f0ed61e2b864c072cd
[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" "e97c68061e79fea57890593cfb44a53ce45f6bf4939520f0ed61e2b864c072cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e97c68061e79fea57890593cfb44a53ce45f6bf4939520f0ed61e2b864c072cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97c68061e79fea57890593cfb44a53ce45f6bf4939520f0ed61e2b864c072cd", kill_on_drop: false }`
[INFO] [stdout] e97c68061e79fea57890593cfb44a53ce45f6bf4939520f0ed61e2b864c072cd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5390f6b305c45ad0e7925ac3e2a1a5b079c763214aca5c8ee1a56514ab81e8e
[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" "a5390f6b305c45ad0e7925ac3e2a1a5b079c763214aca5c8ee1a56514ab81e8e", kill_on_drop: false }`
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a5390f6b305c45ad0e7925ac3e2a1a5b079c763214aca5c8ee1a56514ab81e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5390f6b305c45ad0e7925ac3e2a1a5b079c763214aca5c8ee1a56514ab81e8e", kill_on_drop: false }`
[INFO] [stdout] a5390f6b305c45ad0e7925ac3e2a1a5b079c763214aca5c8ee1a56514ab81e8e