[INFO] updating cached repository https://github.com/Tarv3/novec
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/Tarv3/novec
[INFO] [stderr]    3b88443..916db1b  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 916db1b463cc2604d20348d9d9d80bfe479dd28b
[INFO] checking Tarv3/novec against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarv3%2Fnovec" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tarv3/novec on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tarv3/novec
[INFO] finished tweaking git repo https://github.com/Tarv3/novec
[INFO] tweaked toml for git repo https://github.com/Tarv3/novec written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Tarv3/novec already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67c0f4af3f3e58b15a7b7381d3a854a724d2d2ffda2bd3e5d9e7874c82eaf9bc
[INFO] running `"docker" "start" "-a" "67c0f4af3f3e58b15a7b7381d3a854a724d2d2ffda2bd3e5d9e7874c82eaf9bc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling derive_deref v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `KeyIdx`
[INFO] [stderr]  --> src/loader/mod.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{ map::MappedStorage, KeyIdx, ExpandableStorage, UnorderedStorage };
[INFO] [stderr]   |                                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KeyIdx`
[INFO] [stderr]  --> src/loader/mod.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{ map::MappedStorage, KeyIdx, ExpandableStorage, UnorderedStorage };
[INFO] [stderr]   |                                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/novec.rs:311:13
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let output = vec.remove(3);
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `storage`
[INFO] [stderr]   --> src/loader/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     storage: MappedStorage<K, S>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `loader`
[INFO] [stderr]   --> src/loader/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     loader: L
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `storage`
[INFO] [stderr]   --> src/loader/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     storage: MappedStorage<K, S>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `loader`
[INFO] [stderr]   --> src/loader/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     loader: L
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.46s
[INFO] running `"docker" "inspect" "67c0f4af3f3e58b15a7b7381d3a854a724d2d2ffda2bd3e5d9e7874c82eaf9bc"`
[INFO] running `"docker" "rm" "-f" "67c0f4af3f3e58b15a7b7381d3a854a724d2d2ffda2bd3e5d9e7874c82eaf9bc"`
[INFO] [stdout] 67c0f4af3f3e58b15a7b7381d3a854a724d2d2ffda2bd3e5d9e7874c82eaf9bc