[INFO] crate a2s 0.1.0 is already in cache
[INFO] checking a2s-0.1.0 against master#be493fe8cc40c3d3f6030a1313c1ff747fce770d for pr-69129
[INFO] extracting crate a2s 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate a2s 0.1.0 on toolchain be493fe8cc40c3d3f6030a1313c1ff747fce770d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1aa5048de9885899ca1284639bec7cf5a062c4570ee2255b8bd5d5cb711b6b9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1aa5048de9885899ca1284639bec7cf5a062c4570ee2255b8bd5d5cb711b6b9f"`
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[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 3.64s
[INFO] running `"docker" "inspect" "1aa5048de9885899ca1284639bec7cf5a062c4570ee2255b8bd5d5cb711b6b9f"`
[INFO] running `"docker" "rm" "-f" "1aa5048de9885899ca1284639bec7cf5a062c4570ee2255b8bd5d5cb711b6b9f"`
[INFO] [stdout] 1aa5048de9885899ca1284639bec7cf5a062c4570ee2255b8bd5d5cb711b6b9f