[INFO] crate a2s 0.1.0 is already in cache
[INFO] checking a2s-0.1.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate a2s 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate a2s 0.1.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate a2s 0.1.0
[INFO] finished tweaking crates.io crate a2s 0.1.0
[INFO] tweaked toml for crates.io crate a2s 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] a7c07dc54f30da354e39d4635d0e2a6436da30e6a2b2585720ed9f0b02e183f4
[INFO] running `"docker" "start" "-a" "a7c07dc54f30da354e39d4635d0e2a6436da30e6a2b2585720ed9f0b02e183f4"`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking a2s v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:41:43
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Error::Io(ref inner) => inner.description(),
[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/errors.rs:41:43
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Error::Io(ref inner) => inner.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "a7c07dc54f30da354e39d4635d0e2a6436da30e6a2b2585720ed9f0b02e183f4"`
[INFO] running `"docker" "rm" "-f" "a7c07dc54f30da354e39d4635d0e2a6436da30e6a2b2585720ed9f0b02e183f4"`
[INFO] [stdout] a7c07dc54f30da354e39d4635d0e2a6436da30e6a2b2585720ed9f0b02e183f4