[INFO] fetching crate xi-core-lib 0.3.0...
[INFO] checking xi-core-lib-0.3.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate xi-core-lib 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xi-core-lib 0.3.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xi-core-lib 0.3.0
[INFO] finished tweaking crates.io crate xi-core-lib 0.3.0
[INFO] tweaked toml for crates.io crate xi-core-lib 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd836c2c6ced2773e8872297ab23c5a508dcfe011e611732e939b4c4aaf3344
[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" "6dd836c2c6ced2773e8872297ab23c5a508dcfe011e611732e939b4c4aaf3344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd836c2c6ced2773e8872297ab23c5a508dcfe011e611732e939b4c4aaf3344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd836c2c6ced2773e8872297ab23c5a508dcfe011e611732e939b4c4aaf3344", kill_on_drop: false }`
[INFO] [stdout] 6dd836c2c6ced2773e8872297ab23c5a508dcfe011e611732e939b4c4aaf3344
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af538fa74d9a63cbf85b8a1fb22067009c98b8450bbc33e98b06f81b460af516
[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" "af538fa74d9a63cbf85b8a1fb22067009c98b8450bbc33e98b06f81b460af516", kill_on_drop: false }`
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking plist v0.4.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking xi-rope v0.3.0
[INFO] [stderr]     Checking xi-trace v0.2.0
[INFO] [stderr]     Checking syntect v3.3.0
[INFO] [stderr]     Checking xi-rpc v0.3.0
[INFO] [stderr]     Checking xi-core-lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:699:62
[INFO] [stdout]     |
[INFO] [stdout] 699 |             UnknownDomain(ref s) => write!(f, "{}: {}", self.description(), s),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:700:70
[INFO] [stdout]     |
[INFO] [stdout] 700 |             Parse(ref p, ref e) => write!(f, "{} ({:?}), {:?}", self.description(), p, e),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:712:34
[INFO] [stdout]     |
[INFO] [stdout] 712 |             Parse(_, ref e) => e.description(),
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:713:28
[INFO] [stdout]     |
[INFO] [stdout] 713 |             Io(ref e) => e.description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:714:40
[INFO] [stdout]     |
[INFO] [stdout] 714 |             UnexpectedItem(ref e) => e.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:699:62
[INFO] [stdout]     |
[INFO] [stdout] 699 |             UnknownDomain(ref s) => write!(f, "{}: {}", self.description(), s),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:700:70
[INFO] [stdout]     |
[INFO] [stdout] 700 |             Parse(ref p, ref e) => write!(f, "{} ({:?}), {:?}", self.description(), p, e),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:712:34
[INFO] [stdout]     |
[INFO] [stdout] 712 |             Parse(_, ref e) => e.description(),
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:713:28
[INFO] [stdout]     |
[INFO] [stdout] 713 |             Io(ref e) => e.description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/config.rs:714:40
[INFO] [stdout]     |
[INFO] [stdout] 714 |             UnexpectedItem(ref e) => e.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/recorder.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         mem::replace(&mut self.active_recording, recording_name);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/recorder.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         mem::replace(&mut self.active_recording, recording_name);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.80s
[INFO] running `Command { std: "docker" "inspect" "af538fa74d9a63cbf85b8a1fb22067009c98b8450bbc33e98b06f81b460af516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af538fa74d9a63cbf85b8a1fb22067009c98b8450bbc33e98b06f81b460af516", kill_on_drop: false }`
[INFO] [stdout] af538fa74d9a63cbf85b8a1fb22067009c98b8450bbc33e98b06f81b460af516