[INFO] crate libasuran 0.0.3 is already in cache
[INFO] checking libasuran-0.0.3 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate libasuran 0.0.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate libasuran 0.0.3 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] 50c237ef7744285686f4ca82a2244e326849ae33025f27aad9f0faf771f7edbf
[INFO] running `"docker" "start" "-a" "50c237ef7744285686f4ca82a2244e326849ae33025f27aad9f0faf771f7edbf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking dir-diff v0.3.2
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling blake3 v0.1.3
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling futures-await-test-macro v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking futures-await-test v0.3.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rmp-serde v0.14.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_bytes v0.11.3
[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 libasuran v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.1
[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: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results`
[INFO] [stderr]   --> benches/chunkandstore.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let results = join_all(futs).await;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_results`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> benches/chunkandstore.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for i in 0..size {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "50c237ef7744285686f4ca82a2244e326849ae33025f27aad9f0faf771f7edbf"`
[INFO] running `"docker" "rm" "-f" "50c237ef7744285686f4ca82a2244e326849ae33025f27aad9f0faf771f7edbf"`
[INFO] [stdout] 50c237ef7744285686f4ca82a2244e326849ae33025f27aad9f0faf771f7edbf