[INFO] fetching crate eth_pairings 0.2.0...
[INFO] checking eth_pairings-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate eth_pairings 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate eth_pairings 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate eth_pairings 0.2.0
[INFO] finished tweaking crates.io crate eth_pairings 0.2.0
[INFO] tweaked toml for crates.io crate eth_pairings 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 1cc882342a478b6efe7da4fc918d180ecb341185e37976942eb2479c43fcdf41
[INFO] running `"docker" "start" "-a" "1cc882342a478b6efe7da4fc918d180ecb341185e37976942eb2479c43fcdf41"`
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling eth_pairings_repr_derive v0.1.0
[INFO] [stderr]     Checking eth_pairings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0583]: file not found for module `test`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | mod test;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: name the file either test.rs or test/mod.rs inside the directory "src"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: could not compile `eth_pairings`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/public_interface/g1_ops.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         })?;;
[INFO] [stderr]    |             ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/public_interface/g1_ops.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         })?;;
[INFO] [stderr]     |             ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_scalars`
[INFO] [stderr]   --> src/sliding_window_exp.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(base: &F, one: F, window: usize, num_scalars: usize) -> Self {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_num_scalars`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1cc882342a478b6efe7da4fc918d180ecb341185e37976942eb2479c43fcdf41"`
[INFO] running `"docker" "rm" "-f" "1cc882342a478b6efe7da4fc918d180ecb341185e37976942eb2479c43fcdf41"`
[INFO] [stdout] 1cc882342a478b6efe7da4fc918d180ecb341185e37976942eb2479c43fcdf41