[INFO] fetching crate plist 1.0.0...
[INFO] checking plist-1.0.0 against beta for pr-78714
[INFO] extracting crate plist 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate plist 1.0.0 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 plist 1.0.0
[INFO] finished tweaking crates.io crate plist 1.0.0
[INFO] tweaked toml for crates.io crate plist 1.0.0 written to /workspace/builds/worker-9/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6071bf282b371330d06dbaa089bb5feba6ba3ee330ce4a20df27909897dab38f
[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" "6071bf282b371330d06dbaa089bb5feba6ba3ee330ce4a20df27909897dab38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6071bf282b371330d06dbaa089bb5feba6ba3ee330ce4a20df27909897dab38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6071bf282b371330d06dbaa089bb5feba6ba3ee330ce4a20df27909897dab38f", kill_on_drop: false }`
[INFO] [stdout] 6071bf282b371330d06dbaa089bb5feba6ba3ee330ce4a20df27909897dab38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9881597dccd954b800f63f6c963e04c24dd93c595c1d323465f5d161fa8b45e
[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" "d9881597dccd954b800f63f6c963e04c24dd93c595c1d323465f5d161fa8b45e", kill_on_drop: false }`
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking plist v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `into_inner`
[INFO] [stdout]   --> src/stream/xml_writer.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn into_inner(self) -> W {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/stream/mod.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 ::std::mem::replace(&mut self.0, ReaderInner::Uninitialized(Some(reader)));
[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: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/stream/mod.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         ::std::mem::replace(&mut self.0, event_reader);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_inner`
[INFO] [stdout]   --> src/stream/xml_writer.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn into_inner(self) -> W {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/stream/mod.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 ::std::mem::replace(&mut self.0, ReaderInner::Uninitialized(Some(reader)));
[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: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/stream/mod.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         ::std::mem::replace(&mut self.0, event_reader);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "d9881597dccd954b800f63f6c963e04c24dd93c595c1d323465f5d161fa8b45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9881597dccd954b800f63f6c963e04c24dd93c595c1d323465f5d161fa8b45e", kill_on_drop: false }`
[INFO] [stdout] d9881597dccd954b800f63f6c963e04c24dd93c595c1d323465f5d161fa8b45e