[INFO] fetching crate postcard-rpc 0.3.1...
[INFO] testing postcard-rpc-0.3.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate postcard-rpc 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate postcard-rpc 0.3.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcard-rpc 0.3.1
[INFO] finished tweaking crates.io crate postcard-rpc 0.3.1
[INFO] tweaked toml for crates.io crate postcard-rpc 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-serial v5.4.4
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded postcard-derive v0.1.1
[INFO] [stderr]   Downloaded maitake-sync v0.1.0
[INFO] [stderr]   Downloaded mio-serial v5.0.5
[INFO] [stderr]   Downloaded serialport v4.3.0
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeef99efc49a6418ba6822cf51dfedcd2b33549fb36958a5ec9ee8ee55cb9f27
[INFO] running `Command { std: "docker" "start" "-a" "aeef99efc49a6418ba6822cf51dfedcd2b33549fb36958a5ec9ee8ee55cb9f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeef99efc49a6418ba6822cf51dfedcd2b33549fb36958a5ec9ee8ee55cb9f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeef99efc49a6418ba6822cf51dfedcd2b33549fb36958a5ec9ee8ee55cb9f27", kill_on_drop: false }`
[INFO] [stdout] aeef99efc49a6418ba6822cf51dfedcd2b33549fb36958a5ec9ee8ee55cb9f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907ff3f22d61a572a98a32f98eaf060dd7c312fce30a78105ebf3bb7f0ab9193
[INFO] running `Command { std: "docker" "start" "-a" "907ff3f22d61a572a98a32f98eaf060dd7c312fce30a78105ebf3bb7f0ab9193", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]    Compiling const_format v0.2.32
[INFO] [stderr]    Compiling postcard-derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling postcard v1.0.8
[INFO] [stderr]    Compiling postcard-rpc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "907ff3f22d61a572a98a32f98eaf060dd7c312fce30a78105ebf3bb7f0ab9193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907ff3f22d61a572a98a32f98eaf060dd7c312fce30a78105ebf3bb7f0ab9193", kill_on_drop: false }`
[INFO] [stdout] 907ff3f22d61a572a98a32f98eaf060dd7c312fce30a78105ebf3bb7f0ab9193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5822828ec445bc4fb4d89914bd3efef838179c10e1e7b86159c4f111b4ffc063
[INFO] running `Command { std: "docker" "start" "-a" "5822828ec445bc4fb4d89914bd3efef838179c10e1e7b86159c4f111b4ffc063", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard-rpc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::host_client`
[INFO] [stdout]  --> src/test_utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     host_client::{HostClient, ProcessError, RpcFrame, WireContext},
[INFO] [stdout]   |     ^^^^^^^^^^^ could not find `host_client` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]   --> src/test_utils.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::{
[INFO] [stdout]    |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio`
[INFO] [stdout]   --> src/test_utils.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::{
[INFO] [stdout]    |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `select`
[INFO] [stdout]   --> src/test_utils.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         select! {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]   --> src/test_utils.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     tokio::task::spawn(wire_worker(cli, hcli_ctx));
[INFO] [stdout]    |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_stdvec` in crate `postcard`
[INFO] [stdout]    --> src/test_utils.rs:54:33
[INFO] [stdout]     |
[INFO] [stdout] 54  |                   body: postcard::to_stdvec(msg).unwrap(),
[INFO] [stdout]     |                                   ^^^^^^^^^ help: a function with a similar name exists: `to_vec`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/postcard-1.0.8/src/ser/mod.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | / pub fn to_vec<T, const B: usize>(value: &T) -> Result<Vec<u8, B>>
[INFO] [stdout] 155 | | where
[INFO] [stdout] 156 | |     T: Serialize + ?Sized,
[INFO] [stdout]     | |__________________________- similarly named function `to_vec` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/postcard-1.0.8/src/lib.rs:98:22
[INFO] [stdout]     |
[INFO] [stdout] 98  | pub use ser::{to_io, to_stdvec, to_stdvec_cobs};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `use-std` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_stdvec` in crate `postcard`
[INFO] [stdout]    --> src/test_utils.rs:70:33
[INFO] [stdout]     |
[INFO] [stdout] 70  |                   body: postcard::to_stdvec(msg).unwrap(),
[INFO] [stdout]     |                                   ^^^^^^^^^ help: a function with a similar name exists: `to_vec`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/postcard-1.0.8/src/ser/mod.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | / pub fn to_vec<T, const B: usize>(value: &T) -> Result<Vec<u8, B>>
[INFO] [stdout] 155 | | where
[INFO] [stdout] 156 | |     T: Serialize + ?Sized,
[INFO] [stdout]     | |__________________________- similarly named function `to_vec` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/postcard-1.0.8/src/lib.rs:98:22
[INFO] [stdout]     |
[INFO] [stdout] 98  | pub use ser::{to_io, to_stdvec, to_stdvec_cobs};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `use-std` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `postcard-rpc` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "5822828ec445bc4fb4d89914bd3efef838179c10e1e7b86159c4f111b4ffc063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5822828ec445bc4fb4d89914bd3efef838179c10e1e7b86159c4f111b4ffc063", kill_on_drop: false }`
[INFO] [stdout] 5822828ec445bc4fb4d89914bd3efef838179c10e1e7b86159c4f111b4ffc063
