[INFO] crate tindercrypt 0.2.1 is already in cache
[INFO] checking tindercrypt-0.2.1 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate tindercrypt 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tindercrypt 0.2.1 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tindercrypt 0.2.1
[INFO] finished tweaking crates.io crate tindercrypt 0.2.1
[INFO] tweaked toml for crates.io crate tindercrypt 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tindercrypt 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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-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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] af483e6c131de7d148849c31bd36d358f6be1f65f5c32abf79679038ef7efe8d
[INFO] running `"docker" "start" "-a" "af483e6c131de7d148849c31bd36d358f6be1f65f5c32abf79679038ef7efe8d"`
[INFO] [stderr]    Compiling tindercrypt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking dialoguer v0.5.0
[INFO] [stderr]     Checking ignore v0.4.12
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]     Checking assert_fs v0.13.1
[INFO] [stderr] error: unnecessary braces around block return value
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         { metadata::PBKDF2_DEFAULT_ITERATIONS.to_string() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     warnings,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_braces)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tindercrypt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "af483e6c131de7d148849c31bd36d358f6be1f65f5c32abf79679038ef7efe8d"`
[INFO] running `"docker" "rm" "-f" "af483e6c131de7d148849c31bd36d358f6be1f65f5c32abf79679038ef7efe8d"`
[INFO] [stdout] af483e6c131de7d148849c31bd36d358f6be1f65f5c32abf79679038ef7efe8d