[INFO] fetching crate mitosis 0.1.0...
[INFO] testing mitosis-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mitosis 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mitosis 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-9/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c7cfc67c60afbd6d7660cee07957ec5290a2b9d17ac3436472237805637af5c
[INFO] running `Command { std: "docker" "start" "-a" "9c7cfc67c60afbd6d7660cee07957ec5290a2b9d17ac3436472237805637af5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c7cfc67c60afbd6d7660cee07957ec5290a2b9d17ac3436472237805637af5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7cfc67c60afbd6d7660cee07957ec5290a2b9d17ac3436472237805637af5c", kill_on_drop: false }`
[INFO] [stdout] 9c7cfc67c60afbd6d7660cee07957ec5290a2b9d17ac3436472237805637af5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f61517742eba6703f56ba9c9935acf793a6050e1717091cfca6df0bcb67e918
[INFO] running `Command { std: "docker" "start" "-a" "2f61517742eba6703f56ba9c9935acf793a6050e1717091cfca6df0bcb67e918", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling mio v0.6.21
[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 quote v1.0.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[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 `OpaqueIpcReceiver: Serialize` is not satisfied
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     args_receiver: OpaqueIpcReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ the trait `Serialize` is not implemented for `OpaqueIpcReceiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `_IMPL_SERIALIZE_FOR_BootstrapData::_serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `OpaqueIpcReceiver: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     args_receiver: OpaqueIpcReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `OpaqueIpcReceiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `next_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `OpaqueIpcReceiver: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     args_receiver: OpaqueIpcReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `OpaqueIpcReceiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `next_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to` found for struct `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 `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" "2f61517742eba6703f56ba9c9935acf793a6050e1717091cfca6df0bcb67e918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f61517742eba6703f56ba9c9935acf793a6050e1717091cfca6df0bcb67e918", kill_on_drop: false }`
[INFO] [stdout] 2f61517742eba6703f56ba9c9935acf793a6050e1717091cfca6df0bcb67e918
