[INFO] fetching crate bsonrs 0.2.4...
[INFO] checking bsonrs-0.2.4 against beta for pr-78714
[INFO] extracting crate bsonrs 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bsonrs 0.2.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bsonrs 0.2.4
[INFO] finished tweaking crates.io crate bsonrs 0.2.4
[INFO] tweaked toml for crates.io crate bsonrs 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87a6039df3a2a5d53b4465c5d30cfc248b67e29dd639e878fd8e0ea7cd1abab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e87a6039df3a2a5d53b4465c5d30cfc248b67e29dd639e878fd8e0ea7cd1abab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87a6039df3a2a5d53b4465c5d30cfc248b67e29dd639e878fd8e0ea7cd1abab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87a6039df3a2a5d53b4465c5d30cfc248b67e29dd639e878fd8e0ea7cd1abab", kill_on_drop: false }`
[INFO] [stdout] e87a6039df3a2a5d53b4465c5d30cfc248b67e29dd639e878fd8e0ea7cd1abab
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96f3e0c51f2e86094d08da230e4c40acabf9e55e4c097fe48175e1e86612ca2d
[INFO] running `Command { std: "docker" "start" "-a" "96f3e0c51f2e86094d08da230e4c40acabf9e55e4c097fe48175e1e86612ca2d", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bsonrs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/encode.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |             EncodeError::IoError(ref inner) => inner.description(),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/encode.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |             EncodeError::IoError(ref inner) => inner.description(),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decode.rs:83:54
[INFO] [stdout]    |
[INFO] [stdout] 83 |             DecodeError::IoError(ref inner) => inner.description(),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decode.rs:84:60
[INFO] [stdout]    |
[INFO] [stdout] 84 |             DecodeError::FromUtf8Error(ref inner) => inner.description(),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decode.rs:83:54
[INFO] [stdout]    |
[INFO] [stdout] 83 |             DecodeError::IoError(ref inner) => inner.description(),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decode.rs:84:60
[INFO] [stdout]    |
[INFO] [stdout] 84 |             DecodeError::FromUtf8Error(ref inner) => inner.description(),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/object_id.rs:276:49
[INFO] [stdout]     |
[INFO] [stdout] 276 |             Error::FromHexError(ref err) => err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/object_id.rs:277:44
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/object_id.rs:278:46
[INFO] [stdout]     |
[INFO] [stdout] 278 |             Error::RandError(ref err) => err.description()
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/object_id.rs:276:49
[INFO] [stdout]     |
[INFO] [stdout] 276 |             Error::FromHexError(ref err) => err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/object_id.rs:277:44
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/object_id.rs:278:46
[INFO] [stdout]     |
[INFO] [stdout] 278 |             Error::RandError(ref err) => err.description()
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "96f3e0c51f2e86094d08da230e4c40acabf9e55e4c097fe48175e1e86612ca2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f3e0c51f2e86094d08da230e4c40acabf9e55e4c097fe48175e1e86612ca2d", kill_on_drop: false }`
[INFO] [stdout] 96f3e0c51f2e86094d08da230e4c40acabf9e55e4c097fe48175e1e86612ca2d