[INFO] fetching crate messagepack-async 0.2.3...
[INFO] testing messagepack-async-0.2.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate messagepack-async 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate messagepack-async 0.2.3
[INFO] finished tweaking crates.io crate messagepack-async 0.2.3
[INFO] tweaked toml for crates.io crate messagepack-async 0.2.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate messagepack-async 0.2.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding tokio-macros v2.5.0 (available: v2.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58df954bd69649b80a2971667ad56d23d1642c63573e7b68709b016799cf92f1
[INFO] running `Command { std: "docker" "start" "-a" "58df954bd69649b80a2971667ad56d23d1642c63573e7b68709b016799cf92f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58df954bd69649b80a2971667ad56d23d1642c63573e7b68709b016799cf92f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58df954bd69649b80a2971667ad56d23d1642c63573e7b68709b016799cf92f1", kill_on_drop: false }`
[INFO] [stdout] 58df954bd69649b80a2971667ad56d23d1642c63573e7b68709b016799cf92f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab6796c5841b670a426bdcae2a0c0053f07116465b3048617c35c17e73f8da2d
[INFO] running `Command { std: "docker" "start" "-a" "ab6796c5841b670a426bdcae2a0c0053f07116465b3048617c35c17e73f8da2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling messagepack-async v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ab6796c5841b670a426bdcae2a0c0053f07116465b3048617c35c17e73f8da2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6796c5841b670a426bdcae2a0c0053f07116465b3048617c35c17e73f8da2d", kill_on_drop: false }`
[INFO] [stdout] ab6796c5841b670a426bdcae2a0c0053f07116465b3048617c35c17e73f8da2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5233dabdaa4d64a8c6ef587cc948d16427a432c78a13a00927e94cf748b3bf6f
[INFO] running `Command { std: "docker" "start" "-a" "5233dabdaa4d64a8c6ef587cc948d16427a432c78a13a00927e94cf748b3bf6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling messagepack-async v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5233dabdaa4d64a8c6ef587cc948d16427a432c78a13a00927e94cf748b3bf6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5233dabdaa4d64a8c6ef587cc948d16427a432c78a13a00927e94cf748b3bf6f", kill_on_drop: false }`
[INFO] [stdout] 5233dabdaa4d64a8c6ef587cc948d16427a432c78a13a00927e94cf748b3bf6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73a021044fb4d31d3c979703dd2bfd6f8fabf98bb0f5a0ae35c66a23401e4a6e
[INFO] running `Command { std: "docker" "start" "-a" "73a021044fb4d31d3c979703dd2bfd6f8fabf98bb0f5a0ae35c66a23401e4a6e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/messagepack_async-8f954fd6e333fcde)
[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 messagepack_async
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 28) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 28) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `messagepack_async::sync`
[INFO] [stdout]   --> src/lib.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 5  | use messagepack_async::{Value, Int, sync::{ReadFrom, WriteTo}};
[INFO] [stdout]    |                                     ^^^^ could not find `sync` in `messagepack_async`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub mod sync;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] note: the item is gated behind the `sync` feature
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg(feature = "sync")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_to` found for enum `Value` in the current scope
[INFO] [stdout]  --> src/lib.rs:33:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | value.write_to(&mut data).unwrap();
[INFO] [stdout]   |       ^^^^^^^^ method not found in `Value`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `read_from` found for enum `Value` in the current scope
[INFO] [stdout]   --> src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | let read_value = Value::read_from(&mut cursor).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^ variant or associated item not found in `Value`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Value` consider using one of the following associated functions:
[INFO] [stdout]       value::int::<impl Value>::int
[INFO] [stdout]       value::int::<impl Value>::unsigned_int
[INFO] [stdout]       value::int::<impl Value>::signed_int
[INFO] [stdout]   --> /opt/rustwide/workdir/src/value/int.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     pub fn r#int<T>(value: T) -> Result<Self, TryFromIntError>
[INFO] [stdout] 41 | |     where
[INFO] [stdout] 42 | |         T: Ord + Default + Copy + Clone,
[INFO] [stdout] 43 | |         u8: TryFrom<T>,
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |         i32: TryFrom<T>,
[INFO] [stdout] 50 | |         i64: TryFrom<T, Error = TryFromIntError>,
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 61 | /     pub fn unsigned_int<T>(value: T) -> Result<Self, TryFromIntError>
[INFO] [stdout] 62 | |     where
[INFO] [stdout] 63 | |         T: Copy + Clone,
[INFO] [stdout] 64 | |         u8: TryFrom<T>,
[INFO] [stdout] 65 | |         u16: TryFrom<T>,
[INFO] [stdout] 66 | |         u32: TryFrom<T>,
[INFO] [stdout] 67 | |         u64: TryFrom<T, Error = TryFromIntError>,
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 78 | /     pub fn signed_int<T>(value: T) -> Result<Self, TryFromIntError>
[INFO] [stdout] 79 | |     where
[INFO] [stdout] 80 | |         T: Copy + Clone,
[INFO] [stdout] 81 | |         i8: TryFrom<T>,
[INFO] [stdout] 82 | |         i16: TryFrom<T>,
[INFO] [stdout] 83 | |         i32: TryFrom<T>,
[INFO] [stdout] 84 | |         i64: TryFrom<T, Error = TryFromIntError>,
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 28)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "73a021044fb4d31d3c979703dd2bfd6f8fabf98bb0f5a0ae35c66a23401e4a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a021044fb4d31d3c979703dd2bfd6f8fabf98bb0f5a0ae35c66a23401e4a6e", kill_on_drop: false }`
[INFO] [stdout] 73a021044fb4d31d3c979703dd2bfd6f8fabf98bb0f5a0ae35c66a23401e4a6e
