[INFO] fetching crate mitosis 0.1.0...
[INFO] checking mitosis-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[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 ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ipc-channel v0.12.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ab7a231fd4a2b22a32913dc9c25667992b9ed34858f30e7c8d64bb817ca7af7
[INFO] running `Command { std: "docker" "start" "-a" "5ab7a231fd4a2b22a32913dc9c25667992b9ed34858f30e7c8d64bb817ca7af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ab7a231fd4a2b22a32913dc9c25667992b9ed34858f30e7c8d64bb817ca7af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab7a231fd4a2b22a32913dc9c25667992b9ed34858f30e7c8d64bb817ca7af7", kill_on_drop: false }`
[INFO] [stdout] 5ab7a231fd4a2b22a32913dc9c25667992b9ed34858f30e7c8d64bb817ca7af7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d03aca29659a7842a67751d3329cd6cd8d034a1bb6f9b346738e96ff0b1bb5
[INFO] running `Command { std: "docker" "start" "-a" "31d03aca29659a7842a67751d3329cd6cd8d034a1bb6f9b346738e96ff0b1bb5", kill_on_drop: false }`
[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]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[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_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] [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] [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: 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" "31d03aca29659a7842a67751d3329cd6cd8d034a1bb6f9b346738e96ff0b1bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d03aca29659a7842a67751d3329cd6cd8d034a1bb6f9b346738e96ff0b1bb5", kill_on_drop: false }`
[INFO] [stdout] 31d03aca29659a7842a67751d3329cd6cd8d034a1bb6f9b346738e96ff0b1bb5