[INFO] crate mitosis 0.1.0 is already in cache
[INFO] testing mitosis-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate mitosis 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mitosis 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mitosis 0.1.0
[INFO] finished tweaking crates.io crate mitosis 0.1.0
[INFO] tweaked toml for crates.io crate mitosis 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mitosis 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aba5eed0eefbe99ca7cf49f39bc3f1abd26426cf83ce768aaf000a8c55e12e5
[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" "5aba5eed0eefbe99ca7cf49f39bc3f1abd26426cf83ce768aaf000a8c55e12e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aba5eed0eefbe99ca7cf49f39bc3f1abd26426cf83ce768aaf000a8c55e12e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aba5eed0eefbe99ca7cf49f39bc3f1abd26426cf83ce768aaf000a8c55e12e5", kill_on_drop: false }`
[INFO] [stdout] 5aba5eed0eefbe99ca7cf49f39bc3f1abd26426cf83ce768aaf000a8c55e12e5
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0950d494d68179469afa7099810e9ce2ad9d8f2d4cc2e14df92831e0850733df
[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" "0950d494d68179469afa7099810e9ce2ad9d8f2d4cc2e14df92831e0850733df", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling ipc-channel v0.12.2
[INFO] [stderr]    Compiling mitosis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `ipc_channel::ipc::OpaqueIpcReceiver: _IMPL_DESERIALIZE_FOR_BootstrapData::_serde::Serialize` is not satisfied
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     args_receiver: OpaqueIpcReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ the trait `_IMPL_DESERIALIZE_FOR_BootstrapData::_serde::Serialize` is not implemented for `ipc_channel::ipc::OpaqueIpcReceiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `_IMPL_DESERIALIZE_FOR_BootstrapData::_serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `ipc_channel::ipc::OpaqueIpcReceiver: _IMPL_DESERIALIZE_FOR_BootstrapData::_serde::Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     args_receiver: OpaqueIpcReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ the trait `_IMPL_DESERIALIZE_FOR_BootstrapData::_serde::Deserialize<'_>` is not implemented for `ipc_channel::ipc::OpaqueIpcReceiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `_IMPL_DESERIALIZE_FOR_BootstrapData::_serde::de::SeqAccess::next_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `ipc_channel::ipc::OpaqueIpcReceiver: _IMPL_DESERIALIZE_FOR_BootstrapData::_serde::Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     args_receiver: OpaqueIpcReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ the trait `_IMPL_DESERIALIZE_FOR_BootstrapData::_serde::Deserialize<'_>` is not implemented for `ipc_channel::ipc::OpaqueIpcReceiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `_IMPL_DESERIALIZE_FOR_BootstrapData::_serde::de::MapAccess::next_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to` found for struct `ipc_channel::ipc::OpaqueIpcReceiver` in the current scope
[INFO] [stdout]    --> src/lib.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let args = recv.to().recv().unwrap();
[INFO] [stdout]     |                     ^^ method not found in `ipc_channel::ipc::OpaqueIpcReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mitosis`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0950d494d68179469afa7099810e9ce2ad9d8f2d4cc2e14df92831e0850733df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0950d494d68179469afa7099810e9ce2ad9d8f2d4cc2e14df92831e0850733df", kill_on_drop: false }`
[INFO] [stdout] 0950d494d68179469afa7099810e9ce2ad9d8f2d4cc2e14df92831e0850733df