[INFO] fetching crate mitosis 0.1.0...
[INFO] checking mitosis-0.1.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate mitosis 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mitosis 0.1.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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-7/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19dfb2e43e34dc0722603f875f479da9f22d601538230e3cbfd8fc4b5462c182
[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" "19dfb2e43e34dc0722603f875f479da9f22d601538230e3cbfd8fc4b5462c182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19dfb2e43e34dc0722603f875f479da9f22d601538230e3cbfd8fc4b5462c182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19dfb2e43e34dc0722603f875f479da9f22d601538230e3cbfd8fc4b5462c182", kill_on_drop: false }`
[INFO] [stdout] 19dfb2e43e34dc0722603f875f479da9f22d601538230e3cbfd8fc4b5462c182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d315e2e275dee1224fba3e2a81f95c9d93da4265801d53d3b47a6936c75982
[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" "50d315e2e275dee1224fba3e2a81f95c9d93da4265801d53d3b47a6936c75982", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking ipc-channel v0.12.2
[INFO] [stderr]     Checking 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_DESERIALIZE_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] [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_DESERIALIZE_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: build failed
[INFO] running `Command { std: "docker" "inspect" "50d315e2e275dee1224fba3e2a81f95c9d93da4265801d53d3b47a6936c75982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d315e2e275dee1224fba3e2a81f95c9d93da4265801d53d3b47a6936c75982", kill_on_drop: false }`
[INFO] [stdout] 50d315e2e275dee1224fba3e2a81f95c9d93da4265801d53d3b47a6936c75982