[INFO] fetching crate plugkit 0.0.9...
[INFO] checking plugkit-0.0.9 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate plugkit 0.0.9 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate plugkit 0.0.9 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plugkit 0.0.9
[INFO] finished tweaking crates.io crate plugkit 0.0.9
[INFO] tweaked toml for crates.io crate plugkit 0.0.9 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda873fb464c8d2e93a038c93fc0368e9fe1374a8b751ec06d2c9d3fd493093a
[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" "cda873fb464c8d2e93a038c93fc0368e9fe1374a8b751ec06d2c9d3fd493093a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda873fb464c8d2e93a038c93fc0368e9fe1374a8b751ec06d2c9d3fd493093a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda873fb464c8d2e93a038c93fc0368e9fe1374a8b751ec06d2c9d3fd493093a", kill_on_drop: false }`
[INFO] [stdout] cda873fb464c8d2e93a038c93fc0368e9fe1374a8b751ec06d2c9d3fd493093a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ecb05adea4012e5a348194ceea7307395131a9c2b8345ae7f0c6bd6d936d9d
[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" "05ecb05adea4012e5a348194ceea7307395131a9c2b8345ae7f0c6bd6d936d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking plugkit v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layer.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn payloads(&self) -> Box<Iterator<Item = &Payload>> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Payload>`
[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/payload.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn slices(&self) -> Box<Iterator<Item = &'static [u8]>> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'static [u8]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |         _cb: &Fn(&mut Context, usize, f64),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context, usize, f64)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         _cb: &Fn(&mut Context) -> &[RawFrame],
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context) -> &[RawFrame]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layer.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn payloads(&self) -> Box<Iterator<Item = &Payload>> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Payload>`
[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/payload.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn slices(&self) -> Box<Iterator<Item = &'static [u8]>> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'static [u8]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |         _cb: &Fn(&mut Context, usize, f64),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context, usize, f64)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         _cb: &Fn(&mut Context) -> &[RawFrame],
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context) -> &[RawFrame]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "05ecb05adea4012e5a348194ceea7307395131a9c2b8345ae7f0c6bd6d936d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ecb05adea4012e5a348194ceea7307395131a9c2b8345ae7f0c6bd6d936d9d", kill_on_drop: false }`
[INFO] [stdout] 05ecb05adea4012e5a348194ceea7307395131a9c2b8345ae7f0c6bd6d936d9d