[INFO] fetching crate thread_task_runner 0.1.0...
[INFO] checking thread_task_runner-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate thread_task_runner 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate thread_task_runner 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thread_task_runner 0.1.0
[INFO] finished tweaking crates.io crate thread_task_runner 0.1.0
[INFO] tweaked toml for crates.io crate thread_task_runner 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82480842fc5e5a85355418fb6368cce0a45a27707134d2c00e15aaeab7566741
[INFO] running `Command { std: "docker" "start" "-a" "82480842fc5e5a85355418fb6368cce0a45a27707134d2c00e15aaeab7566741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82480842fc5e5a85355418fb6368cce0a45a27707134d2c00e15aaeab7566741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82480842fc5e5a85355418fb6368cce0a45a27707134d2c00e15aaeab7566741", kill_on_drop: false }`
[INFO] [stdout] 82480842fc5e5a85355418fb6368cce0a45a27707134d2c00e15aaeab7566741
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04785c7914bf2698884a57611baecc95765289ba8f3fae3c67c9c81c92ce4a09
[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" "04785c7914bf2698884a57611baecc95765289ba8f3fae3c67c9c81c92ce4a09", kill_on_drop: false }`
[INFO] [stderr]     Checking thread_task_runner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     parameter: Box<Any>,
[INFO] [stdout]    |                    ^^^ help: use `dyn`: `dyn Any`
[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/task_runner.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     callback: Box<Fn(Box<Any>)>
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<Any>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     parameter: Box<Any>,
[INFO] [stdout]    |                    ^^^ help: use `dyn`: `dyn Any`
[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/task_runner.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     callback: Box<Fn(Box<Any>)>
[INFO] [stdout]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     callback: Box<Fn(Box<Any>)>
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<Any>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     callback: Box<Fn(Box<Any>)>
[INFO] [stdout]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn add_task_with_callback<T, R>(&self, callback: Box<Fn(Box<T>) -> R>, parameter: Box<T>) where T: 'static + Any + Send, R: 'stat...
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<T>) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn add_task_with_callback<T, R>(&self, callback: Box<Fn(Box<T>) -> R>, parameter: Box<T>) where T: 'static + Any + Send, R: 'stat...
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<T>) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:58:59
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let task_callback = Box::new(move |parameter: Box<Any>| {
[INFO] [stdout]    |                                                           ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:58:59
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let task_callback = Box::new(move |parameter: Box<Any>| {
[INFO] [stdout]    |                                                           ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:73:53
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn add_task_with_trait(&self, callback: Box<TaskCallback>) {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn TaskCallback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task_runner.rs:73:53
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn add_task_with_trait(&self, callback: Box<TaskCallback>) {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn TaskCallback`
[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 0.34s
[INFO] running `Command { std: "docker" "inspect" "04785c7914bf2698884a57611baecc95765289ba8f3fae3c67c9c81c92ce4a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04785c7914bf2698884a57611baecc95765289ba8f3fae3c67c9c81c92ce4a09", kill_on_drop: false }`
[INFO] [stdout] 04785c7914bf2698884a57611baecc95765289ba8f3fae3c67c9c81c92ce4a09