[INFO] fetching crate interchain_peer 0.1.0...
[INFO] testing interchain_peer-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate interchain_peer 0.1.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate interchain_peer 0.1.0 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 crates.io crate interchain_peer 0.1.0
[INFO] finished tweaking crates.io crate interchain_peer 0.1.0
[INFO] tweaked toml for crates.io crate interchain_peer 0.1.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 79e0dd20703f76945992ec5158d135c9b998075cd70b437cb81a93bf0f0ffef7
[INFO] running `Command { std: "docker" "start" "-a" "79e0dd20703f76945992ec5158d135c9b998075cd70b437cb81a93bf0f0ffef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79e0dd20703f76945992ec5158d135c9b998075cd70b437cb81a93bf0f0ffef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e0dd20703f76945992ec5158d135c9b998075cd70b437cb81a93bf0f0ffef7", kill_on_drop: false }`
[INFO] [stdout] 79e0dd20703f76945992ec5158d135c9b998075cd70b437cb81a93bf0f0ffef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 44d57168cf8a78f65a9c13ffe35e328dec499ee50be07320909470affd0bfe4d
[INFO] running `Command { std: "docker" "start" "-a" "44d57168cf8a78f65a9c13ffe35e328dec499ee50be07320909470affd0bfe4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling interchain_peer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stdout]  --> src/peer/peer.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[warn(unused_doc_comment)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         /// create a netManager instance based TCP
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |         let mut manager = Manager::new();
[INFO] [stdout]    |         --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         /// check ip
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 39 |         // get cache (undone)
[INFO] [stdout] 40 |         let r_cache = self.read_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stdout]    |         ------------------------------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         /// push buf to write_cache
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |         let w_cache = self.write_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stdout]    |         ------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "44d57168cf8a78f65a9c13ffe35e328dec499ee50be07320909470affd0bfe4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d57168cf8a78f65a9c13ffe35e328dec499ee50be07320909470affd0bfe4d", kill_on_drop: false }`
[INFO] [stdout] 44d57168cf8a78f65a9c13ffe35e328dec499ee50be07320909470affd0bfe4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] cef25b9c5d3ecd09c943d94da757c80742cac47910cc583358bc02d19c2832ea
[INFO] running `Command { std: "docker" "start" "-a" "cef25b9c5d3ecd09c943d94da757c80742cac47910cc583358bc02d19c2832ea", kill_on_drop: false }`
[INFO] [stdout] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stdout]  --> src/peer/peer.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[warn(unused_doc_comment)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         /// create a netManager instance based TCP
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |         let mut manager = Manager::new();
[INFO] [stdout]    |         --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         /// check ip
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 39 |         // get cache (undone)
[INFO] [stdout] 40 |         let r_cache = self.read_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stdout]    |         ------------------------------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         /// push buf to write_cache
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |         let w_cache = self.write_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stdout]    |         ------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling interchain_peer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stdout]  --> src/peer/peer.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[warn(unused_doc_comment)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         /// create a netManager instance based TCP
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |         let mut manager = Manager::new();
[INFO] [stdout]    |         --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         /// check ip
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 39 |         // get cache (undone)
[INFO] [stdout] 40 |         let r_cache = self.read_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stdout]    |         ------------------------------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/peer/peer.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         /// push buf to write_cache
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |         let w_cache = self.write_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stdout]    |         ------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "cef25b9c5d3ecd09c943d94da757c80742cac47910cc583358bc02d19c2832ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef25b9c5d3ecd09c943d94da757c80742cac47910cc583358bc02d19c2832ea", kill_on_drop: false }`
[INFO] [stdout] cef25b9c5d3ecd09c943d94da757c80742cac47910cc583358bc02d19c2832ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] e725a3961c044ebf07e5046d025290282e25ff8be6643fe2d57216afb745f6f1
[INFO] running `Command { std: "docker" "start" "-a" "e725a3961c044ebf07e5046d025290282e25ff8be6643fe2d57216afb745f6f1", kill_on_drop: false }`
[INFO] [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stderr]  --> src/peer/peer.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[warn(unused_doc_comment)]
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/peer/peer.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         /// create a netManager instance based TCP
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 28 |         let mut manager = Manager::new();
[INFO] [stderr]    |         --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/peer/peer.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         /// check ip
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 39 |         // get cache (undone)
[INFO] [stderr] 40 |         let r_cache = self.read_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stderr]    |         ------------------------------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/peer/peer.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         /// push buf to write_cache
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 51 |         let w_cache = self.write_queues.lock().unwrap().get_mut(&key).unwrap().clone();
[INFO] [stderr]    |         ------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `interchain_peer` (lib) generated 4 warnings
[INFO] [stderr] warning: `interchain_peer` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interchain_peer-f10c0a6a423d9544)
[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]      Running unittests (/opt/rustwide/target/debug/deps/interchain_peer-afd3316d00566134)
[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 interchain_peer
[INFO] [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stderr]  --> /opt/rustwide/workdir/src/peer/peer.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[warn(unused_doc_comment)]
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "e725a3961c044ebf07e5046d025290282e25ff8be6643fe2d57216afb745f6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e725a3961c044ebf07e5046d025290282e25ff8be6643fe2d57216afb745f6f1", kill_on_drop: false }`
[INFO] [stdout] e725a3961c044ebf07e5046d025290282e25ff8be6643fe2d57216afb745f6f1