[INFO] crate serde_traitobject 0.2.3 is already in cache
[INFO] checking serde_traitobject-0.2.3 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate serde_traitobject 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde_traitobject 0.2.3 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_traitobject 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_traitobject 0.2.3
[INFO] tweaked toml for crates.io crate serde_traitobject 0.2.3 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad0458168796b695eaa702bfcfd55b05fcda2562c82bf097c052ee7e175fe2d7
[INFO] running `"docker" "start" "-a" "ad0458168796b695eaa702bfcfd55b05fcda2562c82bf097c052ee7e175fe2d7"`
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]     Checking metatype v0.2.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking procinfo v0.4.2
[INFO] [stderr]     Checking palaver v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_closure_derive v0.2.9
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_closure v0.2.9
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde_traitobject v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/convenience.rs:114:3
[INFO] [stderr]     |
[INFO] [stderr] 114 |         error::Error::description(&**self)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/convenience.rs:114:3
[INFO] [stderr]     |
[INFO] [stderr] 114 |         error::Error::description(&**self)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.03s
[INFO] running `"docker" "inspect" "ad0458168796b695eaa702bfcfd55b05fcda2562c82bf097c052ee7e175fe2d7"`
[INFO] running `"docker" "rm" "-f" "ad0458168796b695eaa702bfcfd55b05fcda2562c82bf097c052ee7e175fe2d7"`
[INFO] [stdout] ad0458168796b695eaa702bfcfd55b05fcda2562c82bf097c052ee7e175fe2d7