[INFO] crate pairing 0.15.0 is already in cache
[INFO] checking pairing-0.15.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate pairing 0.15.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pairing 0.15.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pairing 0.15.0
[INFO] finished tweaking crates.io crate pairing 0.15.0
[INFO] tweaked toml for crates.io crate pairing 0.15.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] e8d36a94ba72c80cb777e4d7031a4983245b4008f5c7ae31a1e2e7e2bae1ed6d
[INFO] running `"docker" "start" "-a" "e8d36a94ba72c80cb777e4d7031a4983245b4008f5c7ae31a1e2e7e2bae1ed6d"`
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling ff_derive v0.4.1
[INFO] [stderr]     Checking ff v0.5.2
[INFO] [stderr]     Checking group v0.2.0
[INFO] [stderr]     Checking pairing v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]   --> src/bls12_381/fq12.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn random<R: RngCore>(rng: &mut R) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `R: std::marker::Sized`
[INFO] [stderr] 
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]   --> src/bls12_381/fq2.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn random<R: RngCore>(rng: &mut R) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `R: std::marker::Sized`
[INFO] [stderr] 
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]    --> src/bls12_381/fq6.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn random<R: RngCore>(rng: &mut R) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `R: std::marker::Sized`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0276`.
[INFO] [stderr] error: could not compile `pairing`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]   --> src/bls12_381/fq12.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn random<R: RngCore>(rng: &mut R) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `R: std::marker::Sized`
[INFO] [stderr] 
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]   --> src/bls12_381/fq2.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn random<R: RngCore>(rng: &mut R) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `R: std::marker::Sized`
[INFO] [stderr] 
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]    --> src/bls12_381/fq6.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn random<R: RngCore>(rng: &mut R) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `R: std::marker::Sized`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0276`.
[INFO] [stderr] error: could not compile `pairing`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e8d36a94ba72c80cb777e4d7031a4983245b4008f5c7ae31a1e2e7e2bae1ed6d"`
[INFO] running `"docker" "rm" "-f" "e8d36a94ba72c80cb777e4d7031a4983245b4008f5c7ae31a1e2e7e2bae1ed6d"`
[INFO] [stdout] e8d36a94ba72c80cb777e4d7031a4983245b4008f5c7ae31a1e2e7e2bae1ed6d