[INFO] crate slog-syslog 0.12.0 is already in cache
[INFO] checking slog-syslog-0.12.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate slog-syslog 0.12.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate slog-syslog 0.12.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slog-syslog 0.12.0
[INFO] finished tweaking crates.io crate slog-syslog 0.12.0
[INFO] tweaked toml for crates.io crate slog-syslog 0.12.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6f28e6e3b0b85b809c7edbed883089dfb6d2ab2c36c38409558cdd3e11b93079
[INFO] running `"docker" "start" "-a" "6f28e6e3b0b85b809c7edbed883089dfb6d2ab2c36c38409558cdd3e11b93079"`
[INFO] [stderr]     Checking slog-syslog v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     try!(self.format.format(&mut *buf, info, logger_values));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         let io = try!(
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:101:37
[INFO] [stderr]     |
[INFO] [stderr] 101 | ...                   let n = try!(io.send_raw(&buf[pos..]));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(write!(io, "{}", record.msg()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             try!(logger_kv.serialize(record, &mut ser));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             try!(record.kv().serialize(record, &mut ser));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         try!(write!(self.io, ", {}: {}", key, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:130:18
[INFO] [stderr]     |
[INFO] [stderr] 130 |         io: &mut io::Write,
[INFO] [stderr]     |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     try!(self.format.format(&mut *buf, info, logger_values));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         let io = try!(
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:101:37
[INFO] [stderr]     |
[INFO] [stderr] 101 | ...                   let n = try!(io.send_raw(&buf[pos..]));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(write!(io, "{}", record.msg()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             try!(logger_kv.serialize(record, &mut ser));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             try!(record.kv().serialize(record, &mut ser));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> lib.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         try!(write!(self.io, ", {}: {}", key, val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:130:18
[INFO] [stderr]     |
[INFO] [stderr] 130 |         io: &mut io::Write,
[INFO] [stderr]     |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "6f28e6e3b0b85b809c7edbed883089dfb6d2ab2c36c38409558cdd3e11b93079"`
[INFO] running `"docker" "rm" "-f" "6f28e6e3b0b85b809c7edbed883089dfb6d2ab2c36c38409558cdd3e11b93079"`
[INFO] [stdout] 6f28e6e3b0b85b809c7edbed883089dfb6d2ab2c36c38409558cdd3e11b93079