[INFO] cloning repository https://github.com/theemathas/rusty_rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theemathas/rusty_rpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheemathas%2Frusty_rpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheemathas%2Frusty_rpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d41c66dc7bb4bd1b0cf2dd135b4d3bac4f3b4e2
[INFO] checking theemathas/rusty_rpc against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheemathas%2Frusty_rpc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theemathas/rusty_rpc on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theemathas/rusty_rpc
[INFO] finished tweaking git repo https://github.com/theemathas/rusty_rpc
[INFO] tweaked toml for git repo https://github.com/theemathas/rusty_rpc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/theemathas/rusty_rpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded simple-error v0.2.3
[INFO] [stderr]   Downloaded rmp-serde v1.1.0
[INFO] [stderr]   Downloaded async-trait v0.1.56
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] [stderr]   Downloaded tokio v1.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6aad9577bda72ded94ead8f0924b824fefefcb23b5289ec61fc49ec71807669
[INFO] running `Command { std: "docker" "start" "-a" "c6aad9577bda72ded94ead8f0924b824fefefcb23b5289ec61fc49ec71807669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6aad9577bda72ded94ead8f0924b824fefefcb23b5289ec61fc49ec71807669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6aad9577bda72ded94ead8f0924b824fefefcb23b5289ec61fc49ec71807669", kill_on_drop: false }`
[INFO] [stdout] c6aad9577bda72ded94ead8f0924b824fefefcb23b5289ec61fc49ec71807669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 716a9a239be286965a4e195cbf6895a6f20197fd79d1b76495b5953e239d048b
[INFO] running `Command { std: "docker" "start" "-a" "716a9a239be286965a4e195cbf6895a6f20197fd79d1b76495b5953e239d048b", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking simple-error v0.2.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]     Checking tokio v1.19.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking rmp-serde v1.1.0
[INFO] [stderr]     Checking rusty_rpc_lib v0.1.0 (/opt/rustwide/workdir/rusty_rpc_lib)
[INFO] [stderr]     Checking rusty_rpc_macro v0.1.0 (/opt/rustwide/workdir/rusty_rpc_macro)
[INFO] [stderr]     Checking examples v0.0.0 (/opt/rustwide/workdir/examples)
[INFO] [stdout] warning: struct `ParentServer` is never constructed
[INFO] [stdout]    --> rusty_rpc_macro/tests/usage_tests.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     struct ParentServer(i32);
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChildServer` is never constructed
[INFO] [stdout]    --> rusty_rpc_macro/tests/usage_tests.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |     struct ChildServer<'a>(&'a mut ParentServer);
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "716a9a239be286965a4e195cbf6895a6f20197fd79d1b76495b5953e239d048b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716a9a239be286965a4e195cbf6895a6f20197fd79d1b76495b5953e239d048b", kill_on_drop: false }`
[INFO] [stdout] 716a9a239be286965a4e195cbf6895a6f20197fd79d1b76495b5953e239d048b