[INFO] fetching crate rmesh 0.2.0...
[INFO] testing rmesh-0.2.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate rmesh 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rmesh 0.2.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmesh 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmesh 0.2.0
[INFO] tweaked toml for crates.io crate rmesh 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate rmesh 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e89598c69821454b8bf52e819f3ce17b26adf701dec9b0bdbcb96179a84a281
[INFO] running `Command { std: "docker" "start" "-a" "2e89598c69821454b8bf52e819f3ce17b26adf701dec9b0bdbcb96179a84a281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e89598c69821454b8bf52e819f3ce17b26adf701dec9b0bdbcb96179a84a281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e89598c69821454b8bf52e819f3ce17b26adf701dec9b0bdbcb96179a84a281", kill_on_drop: false }`
[INFO] [stdout] 2e89598c69821454b8bf52e819f3ce17b26adf701dec9b0bdbcb96179a84a281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d91b322045e58dd7020c1da7ee1cfd605f48d639d43e0286fde022ce4f0f3c
[INFO] running `Command { std: "docker" "start" "-a" "38d91b322045e58dd7020c1da7ee1cfd605f48d639d43e0286fde022ce4f0f3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling syn v2.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling rmesh v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "38d91b322045e58dd7020c1da7ee1cfd605f48d639d43e0286fde022ce4f0f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d91b322045e58dd7020c1da7ee1cfd605f48d639d43e0286fde022ce4f0f3c", kill_on_drop: false }`
[INFO] [stdout] 38d91b322045e58dd7020c1da7ee1cfd605f48d639d43e0286fde022ce4f0f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18723d35d71c346bc6b6824963fe69395c1743fc99b978cfceaeeebdc636b323
[INFO] running `Command { std: "docker" "start" "-a" "18723d35d71c346bc6b6824963fe69395c1743fc99b978cfceaeeebdc636b323", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmesh v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "18723d35d71c346bc6b6824963fe69395c1743fc99b978cfceaeeebdc636b323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18723d35d71c346bc6b6824963fe69395c1743fc99b978cfceaeeebdc636b323", kill_on_drop: false }`
[INFO] [stdout] 18723d35d71c346bc6b6824963fe69395c1743fc99b978cfceaeeebdc636b323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 795c6fe616aeecb5a54939265c1600b6a16372f332089ffcdf2d56d68dbecfc8
[INFO] running `Command { std: "docker" "start" "-a" "795c6fe616aeecb5a54939265c1600b6a16372f332089ffcdf2d56d68dbecfc8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rmesh-1c416d3ba6508ec5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rmesh
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - read_fixed_length_string (line 187) ... FAILED
[INFO] [stdout] test src/lib.rs - RMesh::read (line 71) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - read_fixed_length_string (line 187) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `Result<Vec<u8>, std::io::Error>: AsRef<[u8]>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:195:39
[INFO] [stdout]     |
[INFO] [stdout] 11  | let string = read_fixed_length_string(&mut cursor);
[INFO] [stdout]     |              ------------------------ ^^^^^^^^^^^ the trait `AsRef<[u8]>` is not implemented for `Result<Vec<u8>, std::io::Error>`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::io::Read` is implemented for `std::io::Cursor<T>`
[INFO] [stdout]     = note: required for `&Result<Vec<u8>, std::io::Error>` to implement `AsRef<[u8]>`
[INFO] [stdout]     = note: required for `std::io::Cursor<&Result<Vec<u8>, std::io::Error>>` to implement `std::io::Read`
[INFO] [stdout] note: required by a bound in `read_fixed_length_string`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 199 |     T: Read + Seek
[INFO] [stdout]     |        ^^^^ required by this bound in `read_fixed_length_string`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - RMesh::read (line 71) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 6  | let rmesh = rmesh::RMesh::read(&bytes)?;
[INFO] [stdout]    |             ------------------ ^^^^^^ expected `&[u8]`, found `&Result<Vec<u8>, Error>`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&[u8]`
[INFO] [stdout]               found reference `&Result<Vec<u8>, std::io::Error>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn read(data: &[u8]) -> Result<Self, RMeshError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/lib.rs:74:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_71_0() {
[INFO] [stdout]   |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 6 | let rmesh = rmesh::RMesh::read(&bytes)?;
[INFO] [stdout]   |                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, RMeshError>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - RMesh::read (line 71)
[INFO] [stdout]     src/lib.rs - read_fixed_length_string (line 187)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "795c6fe616aeecb5a54939265c1600b6a16372f332089ffcdf2d56d68dbecfc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795c6fe616aeecb5a54939265c1600b6a16372f332089ffcdf2d56d68dbecfc8", kill_on_drop: false }`
[INFO] [stdout] 795c6fe616aeecb5a54939265c1600b6a16372f332089ffcdf2d56d68dbecfc8
