[INFO] crate bson 0.14.0 is already in cache
[INFO] checking bson-0.14.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate bson 0.14.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bson 0.14.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bson 0.14.0
[INFO] finished tweaking crates.io crate bson 0.14.0
[INFO] tweaked toml for crates.io crate bson 0.14.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate bson 0.14.0 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 40fbd023e3a9502af7342bc2b2a4dad426a896c9171f8a0e3f790c2cb2bd93e9
[INFO] running `"docker" "start" "-a" "40fbd023e3a9502af7342bc2b2a4dad426a896c9171f8a0e3f790c2cb2bd93e9"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking bson v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ordered.rs:118:34
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn next(&mut self) -> Option<(&'a String)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ordered.rs:126:34
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn next(&mut self) -> Option<(&'a Bson)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder/error.rs:79:55
[INFO] [stderr]    |
[INFO] [stderr] 79 |             DecoderError::IoError(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/decoder/error.rs:80:61
[INFO] [stderr]    |
[INFO] [stderr] 80 |             DecoderError::FromUtf8Error(ref inner) => inner.description(),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/encoder/error.rs:44:55
[INFO] [stderr]    |
[INFO] [stderr] 44 |             EncoderError::IoError(ref inner) => inner.description(),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/oid.rs:65:53
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Error::FromHexError(ref inner) => inner.description(),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/oid.rs:66:48
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Error::IoError(ref inner) => inner.description(),
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ordered.rs:118:34
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn next(&mut self) -> Option<(&'a String)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ordered.rs:126:34
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn next(&mut self) -> Option<(&'a Bson)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/decoder/error.rs:79:55
[INFO] [stderr]    |
[INFO] [stderr] 79 |             DecoderError::IoError(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/decoder/error.rs:80:61
[INFO] [stderr]    |
[INFO] [stderr] 80 |             DecoderError::FromUtf8Error(ref inner) => inner.description(),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/encoder/error.rs:44:55
[INFO] [stderr]    |
[INFO] [stderr] 44 |             EncoderError::IoError(ref inner) => inner.description(),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/oid.rs:65:53
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Error::FromHexError(ref inner) => inner.description(),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/oid.rs:66:48
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Error::IoError(ref inner) => inner.description(),
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.05s
[INFO] running `"docker" "inspect" "40fbd023e3a9502af7342bc2b2a4dad426a896c9171f8a0e3f790c2cb2bd93e9"`
[INFO] running `"docker" "rm" "-f" "40fbd023e3a9502af7342bc2b2a4dad426a896c9171f8a0e3f790c2cb2bd93e9"`
[INFO] [stdout] 40fbd023e3a9502af7342bc2b2a4dad426a896c9171f8a0e3f790c2cb2bd93e9