[INFO] fetching crate async-rustbus 0.2.0...
[INFO] checking async-rustbus-0.2.0 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate async-rustbus 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate async-rustbus 0.2.0 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-rustbus 0.2.0
[INFO] finished tweaking crates.io crate async-rustbus 0.2.0
[INFO] tweaked toml for crates.io crate async-rustbus 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding memoffset v0.6.5 (available: v0.9.1)
[INFO] [stderr]       Adding nix v0.22.3 (available: v0.29.0)
[INFO] [stderr]       Adding rustbus v0.17.0 (available: v0.19.3)
[INFO] [stderr]       Adding rustbus_derive v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ab2e542ca0a231f3717fd8d218531f1cc1060b13054e8bd8f424eb7c571896
[INFO] running `Command { std: "docker" "start" "-a" "e6ab2e542ca0a231f3717fd8d218531f1cc1060b13054e8bd8f424eb7c571896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ab2e542ca0a231f3717fd8d218531f1cc1060b13054e8bd8f424eb7c571896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ab2e542ca0a231f3717fd8d218531f1cc1060b13054e8bd8f424eb7c571896", kill_on_drop: false }`
[INFO] [stdout] e6ab2e542ca0a231f3717fd8d218531f1cc1060b13054e8bd8f424eb7c571896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae55f2e96cf963592eb8f5ab9dd750714ba4044ab026aa72a4c53e5020cc2d5f
[INFO] running `Command { std: "docker" "start" "-a" "ae55f2e96cf963592eb8f5ab9dd750714ba4044ab026aa72a4c53e5020cc2d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking xml-rs v0.8.22
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling rustbus_derive v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rustbus v0.17.0
[INFO] [stderr]     Checking async-rustbus v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `cmsg_level` and `cmsg_type` are never read
[INFO] [stdout]    --> src/conn/ancillary.rs:239:15
[INFO] [stdout]     |
[INFO] [stdout] 239 |     Unknown { cmsg_level: i32, cmsg_type: i32 },
[INFO] [stdout]     |     -------   ^^^^^^^^^^       ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AncillaryError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cmsg_level` and `cmsg_type` are never read
[INFO] [stdout]    --> src/conn/ancillary.rs:239:15
[INFO] [stdout]     |
[INFO] [stdout] 239 |     Unknown { cmsg_level: i32, cmsg_type: i32 },
[INFO] [stdout]     |     -------   ^^^^^^^^^^       ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AncillaryError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/stress.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Io(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/stress.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Bad(MarshalledMessage),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Bad(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/stress.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     JoinErr(tokio::task::JoinError),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     JoinErr(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/bench.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Io(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/bench.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Bad(MarshalledMessage),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Bad(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/bench.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     JoinErr(tokio::task::JoinError),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 |     JoinErr(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/rpc_conn.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Io(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/rpc_conn.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Bad(MarshalledMessage),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Bad(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/rpc_conn.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     JoinErr(tokio::task::JoinError),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 |     JoinErr(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "ae55f2e96cf963592eb8f5ab9dd750714ba4044ab026aa72a4c53e5020cc2d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae55f2e96cf963592eb8f5ab9dd750714ba4044ab026aa72a4c53e5020cc2d5f", kill_on_drop: false }`
[INFO] [stdout] ae55f2e96cf963592eb8f5ab9dd750714ba4044ab026aa72a4c53e5020cc2d5f
