[INFO] crate secret_integers 0.1.3 is already in cache
[INFO] checking secret_integers-0.1.3 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate secret_integers 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate secret_integers 0.1.3 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate secret_integers 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate secret_integers 0.1.3
[INFO] tweaked toml for crates.io crate secret_integers 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ff3237369a0ad6ec33e6ec170009deeb06dd982c70221896b116513780698a72
[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" "ff3237369a0ad6ec33e6ec170009deeb06dd982c70221896b116513780698a72"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking secret_integers v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `leading_zeros` found for reference `&secret_integers::U32` in the current scope
[INFO] [stderr]   --> examples/biguint.rs:27:46
[INFO] [stderr]    |
[INFO] [stderr] 27 |        let zeros = self.data.last().unwrap().leading_zeros();
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^ method not found in `&secret_integers::U32`
[INFO] [stderr] 
[INFO] [stderr] error[E0369]: binary operation `!=` cannot be applied to type `secret_integers::U32`
[INFO] [stderr]   --> examples/biguint.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |     while r != 0 {
[INFO] [stderr]    |           - ^^ - {integer}
[INFO] [stderr]    |           |
[INFO] [stderr]    |           secret_integers::U32
[INFO] [stderr]    |
[INFO] [stderr]    = note: an implementation of `std::cmp::PartialEq` might be missing for `secret_integers::U32`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0369, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0369`.
[INFO] [stderr] error: could not compile `secret_integers`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ff3237369a0ad6ec33e6ec170009deeb06dd982c70221896b116513780698a72"`
[INFO] running `"docker" "rm" "-f" "ff3237369a0ad6ec33e6ec170009deeb06dd982c70221896b116513780698a72"`
[INFO] [stdout] ff3237369a0ad6ec33e6ec170009deeb06dd982c70221896b116513780698a72