[INFO] fetching crate elephantry 0.1.0...
[INFO] checking elephantry-0.1.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate elephantry 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate elephantry 0.1.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate elephantry 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate elephantry 0.1.0
[INFO] tweaked toml for crates.io crate elephantry 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate elephantry 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] f865d6c7bee8102f6fab7d3d1095a83d3c2340f55c06de53b29460075b1d3507
[INFO] running `"docker" "start" "-a" "f865d6c7bee8102f6fab7d3d1095a83d3c2340f55c06de53b29460075b1d3507"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking libpq v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling elephantry-derive v0.1.0
[INFO] [stderr]     Checking elephantry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `connection`
[INFO] [stderr]   --> tests/entity.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     connection: &'a elephantry::Connection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `count_uniq_visitor`
[INFO] [stderr]   --> tests/entity.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn count_uniq_visitor(&self) -> elephantry::Result<u32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connection`
[INFO] [stderr]   --> tests/entity_derive.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     connection: &'a elephantry::Connection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `count_uniq_visitor`
[INFO] [stderr]   --> tests/entity_derive.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn count_uniq_visitor(&self) -> elephantry::Result<u32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[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 21.99s
[INFO] running `"docker" "inspect" "f865d6c7bee8102f6fab7d3d1095a83d3c2340f55c06de53b29460075b1d3507"`
[INFO] running `"docker" "rm" "-f" "f865d6c7bee8102f6fab7d3d1095a83d3c2340f55c06de53b29460075b1d3507"`
[INFO] [stdout] f865d6c7bee8102f6fab7d3d1095a83d3c2340f55c06de53b29460075b1d3507