[INFO] fetching crate hexchat-plugin 0.2.13...
[INFO] checking hexchat-plugin-0.2.13 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate hexchat-plugin 0.2.13 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hexchat-plugin 0.2.13 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexchat-plugin 0.2.13
[INFO] finished tweaking crates.io crate hexchat-plugin 0.2.13
[INFO] tweaked toml for crates.io crate hexchat-plugin 0.2.13 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ac46bf413e177691efb2756b3e6c3ec19ced8f41b46b8ee0053dea5b74bb581
[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" "8ac46bf413e177691efb2756b3e6c3ec19ced8f41b46b8ee0053dea5b74bb581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac46bf413e177691efb2756b3e6c3ec19ced8f41b46b8ee0053dea5b74bb581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac46bf413e177691efb2756b3e6c3ec19ced8f41b46b8ee0053dea5b74bb581", kill_on_drop: false }`
[INFO] [stdout] 8ac46bf413e177691efb2756b3e6c3ec19ced8f41b46b8ee0053dea5b74bb581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a712c251e180240c808612f0c725e943d37fad97f3af4f00072b5960027595ab
[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" "a712c251e180240c808612f0c725e943d37fad97f3af4f00072b5960027595ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking hexchat-plugin v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1225:27
[INFO] [stdout]      |
[INFO] [stdout] 1225 | type CommandHookUd = (Box<Fn(&mut PluginHandle, Word, WordEol) -> Eat + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginInfo);
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle, Word, WordEol) -> Eat + ::std::panic::RefUnwindSafe`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1227:26
[INFO] [stdout]      |
[INFO] [stdout] 1227 | ...erverHookUd = (Box<Fn(&mut PluginHandle, Word, WordEol, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginI...
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle, Word, WordEol, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1229:25
[INFO] [stdout]      |
[INFO] [stdout] 1229 | type PrintHookUd = (Box<Fn(&mut PluginHandle, Word, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginInfo);
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle, Word, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1231:29
[INFO] [stdout]      |
[INFO] [stdout] 1231 | type TimerHookUd = (Rc<(Box<Fn(&mut PluginHandle) -> bool + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginInfo)>, Rc<Cell<bool>>);
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle) -> bool + ::std::panic::RefUnwindSafe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1396:15
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     plug: Box<Plugin>,
[INFO] [stdout]      |               ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1225:27
[INFO] [stdout]      |
[INFO] [stdout] 1225 | type CommandHookUd = (Box<Fn(&mut PluginHandle, Word, WordEol) -> Eat + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginInfo);
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle, Word, WordEol) -> Eat + ::std::panic::RefUnwindSafe`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1227:26
[INFO] [stdout]      |
[INFO] [stdout] 1227 | ...erverHookUd = (Box<Fn(&mut PluginHandle, Word, WordEol, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginI...
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle, Word, WordEol, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1229:25
[INFO] [stdout]      |
[INFO] [stdout] 1229 | type PrintHookUd = (Box<Fn(&mut PluginHandle, Word, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginInfo);
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle, Word, EventAttrs) -> Eat + ::std::panic::RefUnwindSafe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1231:29
[INFO] [stdout]      |
[INFO] [stdout] 1231 | type TimerHookUd = (Rc<(Box<Fn(&mut PluginHandle) -> bool + ::std::panic::RefUnwindSafe>, *mut internals::Ph, PluginInfo)>, Rc<Cell<bool>>);
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut PluginHandle) -> bool + ::std::panic::RefUnwindSafe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1396:15
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     plug: Box<Plugin>,
[INFO] [stdout]      |               ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]     --> src/lib.rs:1447:9
[INFO] [stdout]      |
[INFO] [stdout] 1447 |     let filename = if !(*plugin_name).is_null() {
[INFO] [stdout]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]     --> src/lib.rs:1447:9
[INFO] [stdout]      |
[INFO] [stdout] 1447 |     let filename = if !(*plugin_name).is_null() {
[INFO] [stdout]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "a712c251e180240c808612f0c725e943d37fad97f3af4f00072b5960027595ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a712c251e180240c808612f0c725e943d37fad97f3af4f00072b5960027595ab", kill_on_drop: false }`
[INFO] [stdout] a712c251e180240c808612f0c725e943d37fad97f3af4f00072b5960027595ab