[INFO] cloning repository https://github.com/ccakes/bmp-client-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ccakes/bmp-client-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccakes%2Fbmp-client-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccakes%2Fbmp-client-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6de8f27fffe5d61c4d8f7efdff25be3974daad29
[INFO] testing ccakes/bmp-client-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccakes%2Fbmp-client-rs" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccakes/bmp-client-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ccakes/bmp-client-rs
[INFO] finished tweaking git repo https://github.com/ccakes/bmp-client-rs
[INFO] tweaked toml for git repo https://github.com/ccakes/bmp-client-rs written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/ccakes/bmp-client-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b135ed3bcf2a953597658c82decbf532ccf22207291cbca44d8333f8a67a3b7f
[INFO] running `Command { std: "docker" "start" "-a" "b135ed3bcf2a953597658c82decbf532ccf22207291cbca44d8333f8a67a3b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b135ed3bcf2a953597658c82decbf532ccf22207291cbca44d8333f8a67a3b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b135ed3bcf2a953597658c82decbf532ccf22207291cbca44d8333f8a67a3b7f", kill_on_drop: false }`
[INFO] [stdout] b135ed3bcf2a953597658c82decbf532ccf22207291cbca44d8333f8a67a3b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72d9412d82d3a161c9ba2b7cc09b15a49ea19ca2252ce07568b8316f022b627d
[INFO] running `Command { std: "docker" "start" "-a" "72d9412d82d3a161c9ba2b7cc09b15a49ea19ca2252ce07568b8316f022b627d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling bgp-rs v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling bmp-protocol v0.1.3
[INFO] [stderr]    Compiling bmp-client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.57s
[INFO] running `Command { std: "docker" "inspect" "72d9412d82d3a161c9ba2b7cc09b15a49ea19ca2252ce07568b8316f022b627d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d9412d82d3a161c9ba2b7cc09b15a49ea19ca2252ce07568b8316f022b627d", kill_on_drop: false }`
[INFO] [stdout] 72d9412d82d3a161c9ba2b7cc09b15a49ea19ca2252ce07568b8316f022b627d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc9b666c135a37a639c63c228307f8b44c267f302e7c075bb82227becc310fe
[INFO] running `Command { std: "docker" "start" "-a" "bbc9b666c135a37a639c63c228307f8b44c267f302e7c075bb82227becc310fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling bmp-client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "bbc9b666c135a37a639c63c228307f8b44c267f302e7c075bb82227becc310fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc9b666c135a37a639c63c228307f8b44c267f302e7c075bb82227becc310fe", kill_on_drop: false }`
[INFO] [stdout] bbc9b666c135a37a639c63c228307f8b44c267f302e7c075bb82227becc310fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80ea803ae0b490fbf1ae7b3278ea06d148c3edf55d03bb516b349f6315990581
[INFO] running `Command { std: "docker" "start" "-a" "80ea803ae0b490fbf1ae7b3278ea06d148c3edf55d03bb516b349f6315990581", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bmp_client-e4dc02e7f0433f01)
[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 bmp-client
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/client.rs - client::BmpClient (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::BmpClient (line 20) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BmpClient`
[INFO] [stdout]  --> src/client.rs:21:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let client = BmpClient::new(tcp_stream)?;
[INFO] [stdout]   |              ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bmp_client::BmpClient;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tcp_stream` in this scope
[INFO] [stdout]  --> src/client.rs:21:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | let client = BmpClient::new(tcp_stream)?;
[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/client.rs:21:40
[INFO] [stdout]     |
[INFO] [stdout] 2   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_20_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 3   | | let client = BmpClient::new(tcp_stream)?;
[INFO] [stdout]     | |                                        ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4   | | let decoded_message = client.recv()?;
[INFO] [stdout] 5   | | } _doctest_main_src_client_rs_20_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[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/client.rs:22:36
[INFO] [stdout]     |
[INFO] [stdout] 2   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_20_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 3   | | let client = BmpClient::new(tcp_stream)?;
[INFO] [stdout] 4   | | let decoded_message = client.recv()?;
[INFO] [stdout]     | |                                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5   | | } _doctest_main_src_client_rs_20_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433.
[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/client.rs - client::BmpClient (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "80ea803ae0b490fbf1ae7b3278ea06d148c3edf55d03bb516b349f6315990581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ea803ae0b490fbf1ae7b3278ea06d148c3edf55d03bb516b349f6315990581", kill_on_drop: false }`
[INFO] [stdout] 80ea803ae0b490fbf1ae7b3278ea06d148c3edf55d03bb516b349f6315990581