[INFO] crate bls-signatures 0.3.0 is already in cache
[INFO] checking bls-signatures-0.3.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate bls-signatures 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bls-signatures 0.3.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bls-signatures 0.3.0
[INFO] finished tweaking crates.io crate bls-signatures 0.3.0
[INFO] tweaked toml for crates.io crate bls-signatures 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate bls-signatures 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f0bbcbec06f0cf25b193b7e8dfa927144563412e21563054e6849037bc29b91f
[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" "f0bbcbec06f0cf25b193b7e8dfa927144563412e21563054e6849037bc29b91f"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking blake2b_simd v0.5.9
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling ff_derive v0.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking ff v0.5.0
[INFO] [stderr]     Checking groupy v0.2.0
[INFO] [stderr]     Checking paired v0.16.0
[INFO] [stderr]     Checking bls-signatures v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]  --> benches/verify.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |                              ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeedableRng`
[INFO] [stderr]  --> benches/verify.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]  --> benches/sign.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |                              ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]  --> benches/serialize.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |                              ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeedableRng`
[INFO] [stderr]  --> benches/sign.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeedableRng`
[INFO] [stderr]  --> benches/serialize.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> benches/verify.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `bls-signatures`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> benches/sign.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `bls-signatures`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> benches/serialize.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, SeedableRng, XorShiftRng};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `bls-signatures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f0bbcbec06f0cf25b193b7e8dfa927144563412e21563054e6849037bc29b91f"`
[INFO] running `"docker" "rm" "-f" "f0bbcbec06f0cf25b193b7e8dfa927144563412e21563054e6849037bc29b91f"`
[INFO] [stdout] f0bbcbec06f0cf25b193b7e8dfa927144563412e21563054e6849037bc29b91f