[INFO] fetching crate mllp-rs 0.1.1... [INFO] testing mllp-rs-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate mllp-rs 0.1.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate mllp-rs 0.1.1 [INFO] finished tweaking crates.io crate mllp-rs 0.1.1 [INFO] tweaked toml for crates.io crate mllp-rs 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mllp-rs 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcd5d32c1e9aca474d4ded7ac787fec03d148ffea00919bc461c7b6a5dc4094c [INFO] running `Command { std: "docker" "start" "-a" "fcd5d32c1e9aca474d4ded7ac787fec03d148ffea00919bc461c7b6a5dc4094c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcd5d32c1e9aca474d4ded7ac787fec03d148ffea00919bc461c7b6a5dc4094c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcd5d32c1e9aca474d4ded7ac787fec03d148ffea00919bc461c7b6a5dc4094c", kill_on_drop: false }` [INFO] [stdout] fcd5d32c1e9aca474d4ded7ac787fec03d148ffea00919bc461c7b6a5dc4094c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32b519e1ab5e98398e05bf9b8a70a1c1cef06135c636bf9cad5225ddb4d7f9a1 [INFO] running `Command { std: "docker" "start" "-a" "32b519e1ab5e98398e05bf9b8a70a1c1cef06135c636bf9cad5225ddb4d7f9a1", kill_on_drop: false }` [INFO] [stderr] Compiling mllp-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "32b519e1ab5e98398e05bf9b8a70a1c1cef06135c636bf9cad5225ddb4d7f9a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32b519e1ab5e98398e05bf9b8a70a1c1cef06135c636bf9cad5225ddb4d7f9a1", kill_on_drop: false }` [INFO] [stdout] 32b519e1ab5e98398e05bf9b8a70a1c1cef06135c636bf9cad5225ddb4d7f9a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc2e124f682ca058872dca76b5e6d98a0f7f64b9fdcd3f86b3198e9921f3da76 [INFO] running `Command { std: "docker" "start" "-a" "bc2e124f682ca058872dca76b5e6d98a0f7f64b9fdcd3f86b3198e9921f3da76", kill_on_drop: false }` [INFO] [stderr] Compiling mllp-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:152:33 [INFO] [stdout] | [INFO] [stdout] 152 | let original_data = data.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "bc2e124f682ca058872dca76b5e6d98a0f7f64b9fdcd3f86b3198e9921f3da76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc2e124f682ca058872dca76b5e6d98a0f7f64b9fdcd3f86b3198e9921f3da76", kill_on_drop: false }` [INFO] [stdout] bc2e124f682ca058872dca76b5e6d98a0f7f64b9fdcd3f86b3198e9921f3da76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cfee8696e5801290a8ff83fdffa9d71520b985a49df59fa1cc79c41164ae7f8f [INFO] running `Command { std: "docker" "start" "-a" "cfee8696e5801290a8ff83fdffa9d71520b985a49df59fa1cc79c41164ae7f8f", kill_on_drop: false }` [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/lib.rs:152:33 [INFO] [stderr] | [INFO] [stderr] 152 | let original_data = data.clone(); [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mllp-rs` (lib test) generated 1 warning (run `cargo fix --lib -p mllp-rs --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mllp_rs-e75c6e73a12986f5) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::encode_and_decode_same_message ... ok [INFO] [stdout] test tests::it_creates_ack ... ok [INFO] [stdout] test tests::listen_and_receive_mllp_packet ... ok [INFO] [stdout] test tests::it_creates_nak ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests mllp_rs [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - (line 23) ... FAILED [INFO] [stdout] test src/lib.rs - (line 34) ... FAILED [INFO] [stdout] test src/lib.rs - MllpCodec::ack (line 91) ... ok [INFO] [stdout] test src/lib.rs - MllpCodec::nak (line 101) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 23) stdout ---- [INFO] [stdout] error: unknown character escape: `&` [INFO] [stdout] --> src/lib.rs:31:48 [INFO] [stdout] | [INFO] [stdout] 31 | let _ = stream.write(MllpCodec::encode("MSH|^~\&|WIR|||36|20200514123930||VXU^V04^VXU_V04|43|P|2.5.1|||ER".as_bytes()).as_bytes()); [INFO] [stdout] | ^ unknown character escape [INFO] [stdout] | [INFO] [stdout] = help: for more information, visit [INFO] [stdout] help: if you meant to write a literal backslash (perhaps escaping in a regular expression), consider a raw string literal [INFO] [stdout] | [INFO] [stdout] 31 | let _ = stream.write(MllpCodec::encode(r"MSH|^~\&|WIR|||36|20200514123930||VXU^V04^VXU_V04|43|P|2.5.1|||ER".as_bytes()).as_bytes()); [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:30:54 [INFO] [stdout] | [INFO] [stdout] 24 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_23_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 30 | let mut stream = TcpStream::connect("127.0.0.1:5000")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 24 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_23_0() -> Result<(), Box> { [INFO] [stdout] 25 | use std::io::prelude::*; [INFO] [stdout] ... [INFO] [stdout] 31 | let _ = stream.write(MllpCodec::encode("MSH|^~\&|WIR|||36|20200514123930||VXU^V04^VXU_V04|43|P|2.5.1|||ER".as_bytes()).as_bytes()); [INFO] [stdout] 32 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_bytes` found for struct `Vec` in the current scope [INFO] [stdout] --> src/lib.rs:31:120 [INFO] [stdout] | [INFO] [stdout] 31 | let _ = stream.write(MllpCodec::encode("MSH|^~\&|WIR|||36|20200514123930||VXU^V04^VXU_V04|43|P|2.5.1|||ER".as_bytes()).as_bytes()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `bytes` with a similar name [INFO] [stdout] | [INFO] [stdout] 31 - let _ = stream.write(MllpCodec::encode("MSH|^~\&|WIR|||36|20200514123930||VXU^V04^VXU_V04|43|P|2.5.1|||ER".as_bytes()).as_bytes()); [INFO] [stdout] 31 + let _ = stream.write(MllpCodec::encode("MSH|^~\&|WIR|||36|20200514123930||VXU^V04^VXU_V04|43|P|2.5.1|||ER".as_bytes()).bytes()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 34) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `addr` in this scope [INFO] [stdout] --> src/lib.rs:40:38 [INFO] [stdout] | [INFO] [stdout] 40 | let mut listener = TcpListener::bind(addr).unwrap(); [INFO] [stdout] | ^^^^ not found in this scope [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:43:19 [INFO] [stdout] | [INFO] [stdout] 35 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_34_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 43 | let _ = stream?.read_to_end(&mut buf); [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 35 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_34_0() -> Result<(), Box> { [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:44:81 [INFO] [stdout] | [INFO] [stdout] 35 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_34_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 44 | let decoded_data = String::from_utf8_lossy(MllpCodec::decode(buf.as_slice())?); [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 35 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_34_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0425. [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 - (line 23) [INFO] [stdout] src/lib.rs - (line 34) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "cfee8696e5801290a8ff83fdffa9d71520b985a49df59fa1cc79c41164ae7f8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfee8696e5801290a8ff83fdffa9d71520b985a49df59fa1cc79c41164ae7f8f", kill_on_drop: false }` [INFO] [stdout] cfee8696e5801290a8ff83fdffa9d71520b985a49df59fa1cc79c41164ae7f8f