[INFO] crate libasuran 0.0.3 is already in cache
[INFO] checking libasuran-0.0.3 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate libasuran 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libasuran 0.0.3 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libasuran 0.0.3
[INFO] finished tweaking crates.io crate libasuran 0.0.3
[INFO] tweaked toml for crates.io crate libasuran 0.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] b990e74a4b5da2ff2352ce5e4b1ec9ab7cea03a292c820d3d2201c7135ef45fc
[INFO] running `"docker" "start" "-a" "b990e74a4b5da2ff2352ce5e4b1ec9ab7cea03a292c820d3d2201c7135ef45fc"`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking fastcdc v1.0.3
[INFO] [stderr]     Checking dir-diff v0.3.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling blake3 v0.1.5
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-await-test-macro v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking rust-argon2 v0.6.1
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking futures-await-test v0.3.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking futures-intrusive v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking libasuran v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/repository/backend/multifile/index.rs:194:34
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         ret.send({ index.drain_changes() }).unwrap();
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/repository/backend/multifile/index.rs:194:34
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         ret.send({ index.drain_changes() }).unwrap();
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `repo` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> benches/chunkandstore.rs:34:53
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let repo = repo.clone();
[INFO] [stderr]    |                 ---- help: consider changing this to be mutable: `mut repo`
[INFO] [stderr] ...
[INFO] [stderr] 34 |                 pool.spawn_with_handle(async move { repo.write_chunks(old_buffer).await })
[INFO] [stderr]    |                                                     ^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `libasuran`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> benches/rawchunking.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     for i in 0..size {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b990e74a4b5da2ff2352ce5e4b1ec9ab7cea03a292c820d3d2201c7135ef45fc"`
[INFO] running `"docker" "rm" "-f" "b990e74a4b5da2ff2352ce5e4b1ec9ab7cea03a292c820d3d2201c7135ef45fc"`
[INFO] [stdout] b990e74a4b5da2ff2352ce5e4b1ec9ab7cea03a292c820d3d2201c7135ef45fc