[INFO] crate rkdb 0.4.0 is already in cache
[INFO] checking rkdb-0.4.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate rkdb 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rkdb 0.4.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rkdb 0.4.0
[INFO] finished tweaking crates.io crate rkdb 0.4.0
[INFO] tweaked toml for crates.io crate rkdb 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 768e55c15604f444150e2290b4ca0368f35bcb3bc58ad2c517c888433f1d55b3
[INFO] running `"docker" "start" "-a" "768e55c15604f444150e2290b4ca0368f35bcb3bc58ad2c517c888433f1d55b3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling rkdb v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `types::*`
[INFO] [stderr]  --> src/kapi.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use types::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/kbindings.rs:256:20
[INFO] [stderr]     |
[INFO] [stderr] 256 |     unsafe { &*kb( { if b { 1 } else { 0 } } ) }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types::*`
[INFO] [stderr]  --> src/kapi.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use types::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/kbindings.rs:256:20
[INFO] [stderr]     |
[INFO] [stderr] 256 |     unsafe { &*kb( { if b { 1 } else { 0 } } ) }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.64s
[INFO] running `"docker" "inspect" "768e55c15604f444150e2290b4ca0368f35bcb3bc58ad2c517c888433f1d55b3"`
[INFO] running `"docker" "rm" "-f" "768e55c15604f444150e2290b4ca0368f35bcb3bc58ad2c517c888433f1d55b3"`
[INFO] [stdout] 768e55c15604f444150e2290b4ca0368f35bcb3bc58ad2c517c888433f1d55b3