[INFO] fetching crate mllp-rs 0.1.1...
[INFO] testing mllp-rs-0.1.1 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate mllp-rs 0.1.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mllp-rs 0.1.1 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c65e30c0f69cd3360e953325014fdd90d4a323eb2f82af449d5d860e6b4bc66b
[INFO] running `Command { std: "docker" "start" "-a" "c65e30c0f69cd3360e953325014fdd90d4a323eb2f82af449d5d860e6b4bc66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65e30c0f69cd3360e953325014fdd90d4a323eb2f82af449d5d860e6b4bc66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65e30c0f69cd3360e953325014fdd90d4a323eb2f82af449d5d860e6b4bc66b", kill_on_drop: false }`
[INFO] [stdout] c65e30c0f69cd3360e953325014fdd90d4a323eb2f82af449d5d860e6b4bc66b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 483d04aa5e7687510f1fd2fd8dde95985bbcb3fa6b3b145f1f5443d056df0aae
[INFO] running `Command { std: "docker" "start" "-a" "483d04aa5e7687510f1fd2fd8dde95985bbcb3fa6b3b145f1f5443d056df0aae", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "483d04aa5e7687510f1fd2fd8dde95985bbcb3fa6b3b145f1f5443d056df0aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483d04aa5e7687510f1fd2fd8dde95985bbcb3fa6b3b145f1f5443d056df0aae", kill_on_drop: false }`
[INFO] [stdout] 483d04aa5e7687510f1fd2fd8dde95985bbcb3fa6b3b145f1f5443d056df0aae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cdc6368e24ea4461818efbc944e16f872b035dec0bd0f6b2300daa5155b8e5d
[INFO] running `Command { std: "docker" "start" "-a" "7cdc6368e24ea4461818efbc944e16f872b035dec0bd0f6b2300daa5155b8e5d", 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" "7cdc6368e24ea4461818efbc944e16f872b035dec0bd0f6b2300daa5155b8e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdc6368e24ea4461818efbc944e16f872b035dec0bd0f6b2300daa5155b8e5d", kill_on_drop: false }`
[INFO] [stdout] 7cdc6368e24ea4461818efbc944e16f872b035dec0bd0f6b2300daa5155b8e5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 651e59091025a75136b8f9cfdd3fb476d430df771f94e60505f13f26c0021629
[INFO] running `Command { std: "docker" "start" "-a" "651e59091025a75136b8f9cfdd3fb476d430df771f94e60505f13f26c0021629", 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::it_creates_nak ... ok
[INFO] [stdout] test tests::listen_and_receive_mllp_packet ... 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 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] test src/lib.rs - (line 23) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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<dyn std::error::Error>> {
[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<dyn std::error::Error>> {
[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] ---- 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 <https://doc.rust-lang.org/reference/tokens.html#literals>
[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<dyn std::error::Error>> {
[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<u8>` 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] 
[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 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "651e59091025a75136b8f9cfdd3fb476d430df771f94e60505f13f26c0021629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651e59091025a75136b8f9cfdd3fb476d430df771f94e60505f13f26c0021629", kill_on_drop: false }`
[INFO] [stdout] 651e59091025a75136b8f9cfdd3fb476d430df771f94e60505f13f26c0021629
