[INFO] fetching crate lamport_signature 0.1.4...
[INFO] checking lamport_signature-0.1.4 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate lamport_signature 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lamport_signature 0.1.4 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lamport_signature 0.1.4
[INFO] finished tweaking crates.io crate lamport_signature 0.1.4
[INFO] tweaked toml for crates.io crate lamport_signature 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] 762550cdf50673349c28c5d4695ca2b9b93be3b9de8bbf229f0636850eb86554
[INFO] running `"docker" "start" "-a" "762550cdf50673349c28c5d4695ca2b9b93be3b9de8bbf229f0636850eb86554"`
[INFO] [stderr]     Checking block-buffer v0.2.0-tmp
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking whirlpool v0.7.1
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stderr]     Checking lamport_signature v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking groestl v0.7.0
[INFO] [stderr] warning: the feature `iterator_flatten` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![feature(test, iterator_flatten)]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_flatten` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![feature(test, iterator_flatten)]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `"docker" "inspect" "762550cdf50673349c28c5d4695ca2b9b93be3b9de8bbf229f0636850eb86554"`
[INFO] running `"docker" "rm" "-f" "762550cdf50673349c28c5d4695ca2b9b93be3b9de8bbf229f0636850eb86554"`
[INFO] [stdout] 762550cdf50673349c28c5d4695ca2b9b93be3b9de8bbf229f0636850eb86554