[INFO] crate slog-syslog 0.12.0 is already in cache
[INFO] checking slog-syslog-0.12.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate slog-syslog 0.12.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slog-syslog 0.12.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 749d87327639ec6d3b7d06fa6fa92d3ae3c736389c15457736284822da98e7f8
[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" "749d87327639ec6d3b7d06fa6fa92d3ae3c736389c15457736284822da98e7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "749d87327639ec6d3b7d06fa6fa92d3ae3c736389c15457736284822da98e7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749d87327639ec6d3b7d06fa6fa92d3ae3c736389c15457736284822da98e7f8", kill_on_drop: false }`
[INFO] [stdout] 749d87327639ec6d3b7d06fa6fa92d3ae3c736389c15457736284822da98e7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261ebea54d7ee125ca1e5c2e8174551aa4b7ad7b8f34107643912be5b54be2eb
[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" "261ebea54d7ee125ca1e5c2e8174551aa4b7ad7b8f34107643912be5b54be2eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]     Checking slog-syslog v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> lib.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     try!(self.format.format(&mut *buf, info, logger_values));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> lib.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |                         let io = try!(
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:101:37
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   let n = try!(io.send_raw(&buf[pos..]));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(write!(io, "{}", record.msg()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             try!(logger_kv.serialize(record, &mut ser));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             try!(record.kv().serialize(record, &mut ser));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         try!(write!(self.io, ", {}: {}", key, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:130:18
[INFO] [stdout]     |
[INFO] [stdout] 130 |         io: &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> lib.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     try!(self.format.format(&mut *buf, info, logger_values));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> lib.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |                         let io = try!(
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:101:37
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   let n = try!(io.send_raw(&buf[pos..]));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(write!(io, "{}", record.msg()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             try!(logger_kv.serialize(record, &mut ser));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             try!(record.kv().serialize(record, &mut ser));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> lib.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         try!(write!(self.io, ", {}: {}", key, val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:130:18
[INFO] [stdout]     |
[INFO] [stdout] 130 |         io: &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "261ebea54d7ee125ca1e5c2e8174551aa4b7ad7b8f34107643912be5b54be2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261ebea54d7ee125ca1e5c2e8174551aa4b7ad7b8f34107643912be5b54be2eb", kill_on_drop: false }`
[INFO] [stdout] 261ebea54d7ee125ca1e5c2e8174551aa4b7ad7b8f34107643912be5b54be2eb