[INFO] fetching crate ncomm-executors 1.1.4...
[INFO] testing ncomm-executors-1.1.4 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate ncomm-executors 1.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ncomm-executors 1.1.4
[INFO] finished tweaking crates.io crate ncomm-executors 1.1.4
[INFO] tweaked toml for crates.io crate ncomm-executors 1.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ncomm-executors 1.1.4 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c6d5d68e308331157e8902f7d79e27b345070dde010091543764679963697c5
[INFO] running `Command { std: "docker" "start" "-a" "8c6d5d68e308331157e8902f7d79e27b345070dde010091543764679963697c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c6d5d68e308331157e8902f7d79e27b345070dde010091543764679963697c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6d5d68e308331157e8902f7d79e27b345070dde010091543764679963697c5", kill_on_drop: false }`
[INFO] [stdout] 8c6d5d68e308331157e8902f7d79e27b345070dde010091543764679963697c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f19504485611c2bae6d46ce3982c48dc2386b2cf4154777f587db6dee2f7a0
[INFO] running `Command { std: "docker" "start" "-a" "33f19504485611c2bae6d46ce3982c48dc2386b2cf4154777f587db6dee2f7a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling ncomm-core v1.1.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling quanta v0.12.6
[INFO] [stderr]    Compiling ncomm-executors v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "33f19504485611c2bae6d46ce3982c48dc2386b2cf4154777f587db6dee2f7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f19504485611c2bae6d46ce3982c48dc2386b2cf4154777f587db6dee2f7a0", kill_on_drop: false }`
[INFO] [stdout] 33f19504485611c2bae6d46ce3982c48dc2386b2cf4154777f587db6dee2f7a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cfb97cd5cc0f482ad23f2f594df772a09e30e3381a038afbb5beb0aa9f7b637
[INFO] running `Command { std: "docker" "start" "-a" "3cfb97cd5cc0f482ad23f2f594df772a09e30e3381a038afbb5beb0aa9f7b637", kill_on_drop: false }`
[INFO] [stderr]    Compiling ncomm-executors v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/simple_executor.rs:324:70
[INFO] [stdout]     |
[INFO] [stdout] 324 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 324 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 324 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/simple_executor.rs:353:70
[INFO] [stdout]     |
[INFO] [stdout] 353 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 353 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 353 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/simple_executor.rs:462:70
[INFO] [stdout]     |
[INFO] [stdout] 462 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 462 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 462 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threadpool_executor.rs:328:70
[INFO] [stdout]     |
[INFO] [stdout] 328 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 328 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 328 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threadpool_executor.rs:358:70
[INFO] [stdout]     |
[INFO] [stdout] 358 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 358 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 358 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threadpool_executor.rs:471:70
[INFO] [stdout]     |
[INFO] [stdout] 471 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 471 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 471 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threaded_executor.rs:383:70
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 383 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 383 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threaded_executor.rs:391:74
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 391 -                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 391 +                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threaded_executor.rs:589:70
[INFO] [stdout]     |
[INFO] [stdout] 589 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 589 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 589 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threaded_executor.rs:598:74
[INFO] [stdout]     |
[INFO] [stdout] 598 |                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 598 -                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 598 +                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threaded_executor.rs:636:70
[INFO] [stdout]     |
[INFO] [stdout] 636 |             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 636 -             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 636 +             let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for reference `&(dyn Any + 'static)` in the current scope
[INFO] [stdout]    --> src/threaded_executor.rs:645:74
[INFO] [stdout]     |
[INFO] [stdout] 645 |                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 645 -                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref_unchecked() };
[INFO] [stdout] 645 +                 let simple_node: &Box<SimpleNode> = unsafe { simple_node.downcast_ref() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ncomm-executors` (lib test) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "3cfb97cd5cc0f482ad23f2f594df772a09e30e3381a038afbb5beb0aa9f7b637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfb97cd5cc0f482ad23f2f594df772a09e30e3381a038afbb5beb0aa9f7b637", kill_on_drop: false }`
[INFO] [stdout] 3cfb97cd5cc0f482ad23f2f594df772a09e30e3381a038afbb5beb0aa9f7b637
