[INFO] crate desim 0.1.0 is already in cache
[INFO] testing desim-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate desim 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate desim 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desim 0.1.0
[INFO] finished tweaking crates.io crate desim 0.1.0
[INFO] tweaked toml for crates.io crate desim 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5cf205b32704f42c5d6ea55fe8b603beb6a142cfae9e84e501ccea3865d9fbd
[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" "e5cf205b32704f42c5d6ea55fe8b603beb6a142cfae9e84e501ccea3865d9fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5cf205b32704f42c5d6ea55fe8b603beb6a142cfae9e84e501ccea3865d9fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cf205b32704f42c5d6ea55fe8b603beb6a142cfae9e84e501ccea3865d9fbd", kill_on_drop: false }`
[INFO] [stdout] e5cf205b32704f42c5d6ea55fe8b603beb6a142cfae9e84e501ccea3865d9fbd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4428acc1a1af0b7abd90148e30c1f796bb19f587920d9959fd8b89a226b5cf40
[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" "4428acc1a1af0b7abd90148e30c1f796bb19f587920d9959fd8b89a226b5cf40", kill_on_drop: false }`
[INFO] [stderr]    Compiling desim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |     processes: Vec<Box<Generator<Yield = Effect, Return = ()>>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Generator<Yield = Effect, Return = ()>`
[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:165:22
[INFO] [stdout]     |
[INFO] [stdout] 165 |         process: Box<Generator<Yield = Effect, Return = ()>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Generator<Yield = Effect, Return = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for struct `std::boxed::Box<(dyn std::ops::Generator<Yield = Effect, Return = ()> + 'static)>` in the current scope
[INFO] [stdout]    --> src/lib.rs:205:62
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 match unsafe { self.processes[event.process].resume() } {
[INFO] [stdout]     |                                                              ^^^^^^ method not found in `std::boxed::Box<(dyn std::ops::Generator<Yield = Effect, Return = ()> + 'static)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desim`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4428acc1a1af0b7abd90148e30c1f796bb19f587920d9959fd8b89a226b5cf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4428acc1a1af0b7abd90148e30c1f796bb19f587920d9959fd8b89a226b5cf40", kill_on_drop: false }`
[INFO] [stdout] 4428acc1a1af0b7abd90148e30c1f796bb19f587920d9959fd8b89a226b5cf40