[INFO] crate nyar_prime 0.1.0 is already in cache
[INFO] checking nyar_prime-0.1.0 against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] extracting crate nyar_prime 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nyar_prime 0.1.0 on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nyar_prime 0.1.0
[INFO] finished tweaking crates.io crate nyar_prime 0.1.0
[INFO] tweaked toml for crates.io crate nyar_prime 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ffb8f8cf530a54c5238ce51f5e3c761ccf416b1ea3d442f783da85ee4b9b0cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7ffb8f8cf530a54c5238ce51f5e3c761ccf416b1ea3d442f783da85ee4b9b0cb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nyar_prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr] warning: field is never read: `index`
[INFO] [stderr]  --> src/special/primorial.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     index: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `index`
[INFO] [stderr]  --> src/special/primorial_pi.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     index: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ordinal`
[INFO] [stderr]  --> src/special/fermat_prime.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ordinal: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ordinal`
[INFO] [stderr]  --> src/special/mersenne_prime.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ordinal: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: field is never read: `index`
[INFO] [stderr]  --> src/special/primorial.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     index: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `index`
[INFO] [stderr]  --> src/special/primorial_pi.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     index: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ordinal`
[INFO] [stderr]  --> src/special/fermat_prime.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ordinal: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ordinal`
[INFO] [stderr]  --> src/special/mersenne_prime.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ordinal: BigInt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.67s
[INFO] running `"docker" "inspect" "7ffb8f8cf530a54c5238ce51f5e3c761ccf416b1ea3d442f783da85ee4b9b0cb"`
[INFO] running `"docker" "rm" "-f" "7ffb8f8cf530a54c5238ce51f5e3c761ccf416b1ea3d442f783da85ee4b9b0cb"`
[INFO] [stdout] 7ffb8f8cf530a54c5238ce51f5e3c761ccf416b1ea3d442f783da85ee4b9b0cb