[INFO] fetching crate knusbaum_consul 0.2.0...
[INFO] testing knusbaum_consul-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate knusbaum_consul 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate knusbaum_consul 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate knusbaum_consul 0.2.0
[INFO] finished tweaking crates.io crate knusbaum_consul 0.2.0
[INFO] tweaked toml for crates.io crate knusbaum_consul 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 279bf36efcf9c9b99f2f737c16e62489fafb35661f4b57f748d290e2858363fa
[INFO] running `"docker" "start" "-a" "279bf36efcf9c9b99f2f737c16e62489fafb35661f4b57f748d290e2858363fa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling knusbaum_consul v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/request.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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/agent.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 |             .map_err(|e| e.description().to_owned())
[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/agent.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |             .map_err(|e| e.description().to_owned())
[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/agent.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:93:28
[INFO] [stderr]    |
[INFO] [stderr] 93 |             .map_err(|e| e.description().to_owned())?;
[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/catalog.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |             .map_err(|e| e.description().to_owned())
[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/health.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |             .map_err(|e| e.description().to_owned())
[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/health.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             .map_err(|e| e.description().to_owned())?;
[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/health.rs:82:28
[INFO] [stderr]    |
[INFO] [stderr] 82 |             .map_err(|e| e.description().to_owned())?;
[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/session.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             .map_err(|e| e.description().to_owned())?;
[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/session.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |             .map_err(|e| e.description().to_owned())?;
[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/keystore.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 |             .map_err(|e| e.description().to_owned())?;
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:22:50
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:30:50
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.64s
[INFO] running `"docker" "inspect" "279bf36efcf9c9b99f2f737c16e62489fafb35661f4b57f748d290e2858363fa"`
[INFO] running `"docker" "rm" "-f" "279bf36efcf9c9b99f2f737c16e62489fafb35661f4b57f748d290e2858363fa"`
[INFO] [stdout] 279bf36efcf9c9b99f2f737c16e62489fafb35661f4b57f748d290e2858363fa
[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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5bc5d04ca34d240a6e17c90a907757ef4d6f1baa395b133696cf03a397f65dd0
[INFO] running `"docker" "start" "-a" "5bc5d04ca34d240a6e17c90a907757ef4d6f1baa395b133696cf03a397f65dd0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling knusbaum_consul v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/request.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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/agent.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 |             .map_err(|e| e.description().to_owned())
[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/agent.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |             .map_err(|e| e.description().to_owned())
[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/agent.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:93:28
[INFO] [stderr]    |
[INFO] [stderr] 93 |             .map_err(|e| e.description().to_owned())?;
[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/catalog.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |             .map_err(|e| e.description().to_owned())
[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/health.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |             .map_err(|e| e.description().to_owned())
[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/health.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             .map_err(|e| e.description().to_owned())?;
[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/health.rs:82:28
[INFO] [stderr]    |
[INFO] [stderr] 82 |             .map_err(|e| e.description().to_owned())?;
[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/session.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             .map_err(|e| e.description().to_owned())?;
[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/session.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |             .map_err(|e| e.description().to_owned())?;
[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/keystore.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 |             .map_err(|e| e.description().to_owned())?;
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:22:50
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:30:50
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `consul`
[INFO] [stderr]  --> tests/example.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate consul;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `knusbaum_consul`.
[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] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/request.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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/agent.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 |             .map_err(|e| e.description().to_owned())
[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/agent.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |             .map_err(|e| e.description().to_owned())
[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/agent.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |             .map_err(|e| e.description().to_owned())?;
[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/agent.rs:93:28
[INFO] [stderr]    |
[INFO] [stderr] 93 |             .map_err(|e| e.description().to_owned())?;
[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/catalog.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |             .map_err(|e| e.description().to_owned())
[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/health.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |             .map_err(|e| e.description().to_owned())
[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/health.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             .map_err(|e| e.description().to_owned())?;
[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/health.rs:82:28
[INFO] [stderr]    |
[INFO] [stderr] 82 |             .map_err(|e| e.description().to_owned())?;
[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/session.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             .map_err(|e| e.description().to_owned())?;
[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/session.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |             .map_err(|e| e.description().to_owned())?;
[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/keystore.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 |             .map_err(|e| e.description().to_owned())?;
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:22:50
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:30:50
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/request.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let full_url = format!("{}/{}", self.url.trim_right_matches('/'), endpoint);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5bc5d04ca34d240a6e17c90a907757ef4d6f1baa395b133696cf03a397f65dd0"`
[INFO] running `"docker" "rm" "-f" "5bc5d04ca34d240a6e17c90a907757ef4d6f1baa395b133696cf03a397f65dd0"`
[INFO] [stdout] 5bc5d04ca34d240a6e17c90a907757ef4d6f1baa395b133696cf03a397f65dd0