[INFO] fetching crate bmp-client 0.1.1...
[INFO] testing bmp-client-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate bmp-client 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate bmp-client 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bmp-client 0.1.1
[INFO] finished tweaking crates.io crate bmp-client 0.1.1
[INFO] tweaked toml for crates.io crate bmp-client 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate bmp-client 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bmp-protocol v0.1.3
[INFO] [stderr]   Downloaded serde v1.0.91
[INFO] [stderr]   Downloaded serde_derive v1.0.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf310a91af6eedb2b18a29e18156ddd011935c30e3f02674a2990ab32e3c74f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf310a91af6eedb2b18a29e18156ddd011935c30e3f02674a2990ab32e3c74f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf310a91af6eedb2b18a29e18156ddd011935c30e3f02674a2990ab32e3c74f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf310a91af6eedb2b18a29e18156ddd011935c30e3f02674a2990ab32e3c74f0", kill_on_drop: false }`
[INFO] [stdout] cf310a91af6eedb2b18a29e18156ddd011935c30e3f02674a2990ab32e3c74f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b406e6d37c3c0d71004e900e37da9789db106a42315db2cd5279318dfb1cd65e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b406e6d37c3c0d71004e900e37da9789db106a42315db2cd5279318dfb1cd65e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling bgp-rs v0.6.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling tracing v0.1.9
[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 49.39s
[INFO] running `Command { std: "docker" "inspect" "b406e6d37c3c0d71004e900e37da9789db106a42315db2cd5279318dfb1cd65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b406e6d37c3c0d71004e900e37da9789db106a42315db2cd5279318dfb1cd65e", kill_on_drop: false }`
[INFO] [stdout] b406e6d37c3c0d71004e900e37da9789db106a42315db2cd5279318dfb1cd65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 984f6208dc4a6d992695185b887906518045a629f672b87fa29e2d7e4a490cb4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "984f6208dc4a6d992695185b887906518045a629f672b87fa29e2d7e4a490cb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bmp-client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "984f6208dc4a6d992695185b887906518045a629f672b87fa29e2d7e4a490cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984f6208dc4a6d992695185b887906518045a629f672b87fa29e2d7e4a490cb4", kill_on_drop: false }`
[INFO] [stdout] 984f6208dc4a6d992695185b887906518045a629f672b87fa29e2d7e4a490cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8703f07c7ee610f2a53f5e5084a8cb388a799211eb47d872a4d52ed1fe55c2c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8703f07c7ee610f2a53f5e5084a8cb388a799211eb47d872a4d52ed1fe55c2c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bmp_client-71b2038173d08a55)
[INFO] [stderr]    Doc-tests bmp-client
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[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 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8703f07c7ee610f2a53f5e5084a8cb388a799211eb47d872a4d52ed1fe55c2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8703f07c7ee610f2a53f5e5084a8cb388a799211eb47d872a4d52ed1fe55c2c4", kill_on_drop: false }`
[INFO] [stdout] 8703f07c7ee610f2a53f5e5084a8cb388a799211eb47d872a4d52ed1fe55c2c4