[INFO] fetching crate sidekiq 0.8.6...
[INFO] checking sidekiq-0.8.6 against beta for pr-78714
[INFO] extracting crate sidekiq 0.8.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sidekiq 0.8.6 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 sidekiq 0.8.6
[INFO] finished tweaking crates.io crate sidekiq 0.8.6
[INFO] tweaked toml for crates.io crate sidekiq 0.8.6 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6a2ffbeb209ae96bf21cbc1a6f0dfbf6602fbac528067dd1d382adbc28067f26
[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" "6a2ffbeb209ae96bf21cbc1a6f0dfbf6602fbac528067dd1d382adbc28067f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2ffbeb209ae96bf21cbc1a6f0dfbf6602fbac528067dd1d382adbc28067f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2ffbeb209ae96bf21cbc1a6f0dfbf6602fbac528067dd1d382adbc28067f26", kill_on_drop: false }`
[INFO] [stdout] 6a2ffbeb209ae96bf21cbc1a6f0dfbf6602fbac528067dd1d382adbc28067f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 86d525cb39ac33adb868cfc721e19f0efe3f71dc6fc8771a5920e41b1052929b
[INFO] running `Command { std: "docker" "start" "-a" "86d525cb39ac33adb868cfc721e19f0efe3f71dc6fc8771a5920e41b1052929b", kill_on_drop: false }`
[INFO] [stderr]     Checking r2d2_redis v0.12.0
[INFO] [stderr]     Checking sidekiq v0.8.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut s = try!(serializer.serialize_struct("Job", 7));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(s.serialize_field("class", &self.class));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(s.serialize_field("args", &self.args));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(s.serialize_field("retry", &self.retry));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         try!(s.serialize_field("queue", &self.queue));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         try!(s.serialize_field("jid", &self.jid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         try!(s.serialize_field("created_at", &self.created_at));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         try!(s.serialize_field("enqueued_at", &self.enqueued_at));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut s = try!(serializer.serialize_struct("Job", 7));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(s.serialize_field("class", &self.class));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(s.serialize_field("args", &self.args));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(s.serialize_field("retry", &self.retry));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         try!(s.serialize_field("queue", &self.queue));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         try!(s.serialize_field("jid", &self.jid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         try!(s.serialize_field("created_at", &self.created_at));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sidekiq/mod.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         try!(s.serialize_field("enqueued_at", &self.enqueued_at));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/sidekiq/mod.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 |             ErrorKind::Redis(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/sidekiq/mod.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ErrorKind::PoolInit(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sidekiq`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/sidekiq/mod.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 |             ErrorKind::Redis(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/sidekiq/mod.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ErrorKind::PoolInit(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "86d525cb39ac33adb868cfc721e19f0efe3f71dc6fc8771a5920e41b1052929b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d525cb39ac33adb868cfc721e19f0efe3f71dc6fc8771a5920e41b1052929b", kill_on_drop: false }`
[INFO] [stdout] 86d525cb39ac33adb868cfc721e19f0efe3f71dc6fc8771a5920e41b1052929b