[INFO] fetching crate forked-tarpc 0.31.1...
[INFO] checking forked-tarpc-0.31.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate forked-tarpc 0.31.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate forked-tarpc 0.31.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forked-tarpc 0.31.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate forked-tarpc 0.31.1
[INFO] tweaked toml for crates.io crate forked-tarpc 0.31.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate forked-tarpc 0.31.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.63
[INFO] [stderr]   Downloaded futures-test v0.3.21
[INFO] [stderr]   Downloaded thrift v0.15.0
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.9.0
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18705db995b9d4b18b5d226e69735438ff71f87d306fb8fb689c692c02054984
[INFO] running `Command { std: "docker" "start" "-a" "18705db995b9d4b18b5d226e69735438ff71f87d306fb8fb689c692c02054984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18705db995b9d4b18b5d226e69735438ff71f87d306fb8fb689c692c02054984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18705db995b9d4b18b5d226e69735438ff71f87d306fb8fb689c692c02054984", kill_on_drop: false }`
[INFO] [stdout] 18705db995b9d4b18b5d226e69735438ff71f87d306fb8fb689c692c02054984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0b096159853b753fd21a5db1bbef71b982e84abef0dcdff3d2490abe1aaaf4e
[INFO] running `Command { std: "docker" "start" "-a" "e0b096159853b753fd21a5db1bbef71b982e84abef0dcdff3d2490abe1aaaf4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking once_cell v1.13.0
[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 tokio v1.21.2
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]    Compiling trybuild v1.0.63
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling tarpc-plugins v0.12.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking thrift v0.15.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.82
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking tokio-serde v0.8.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking futures-test v0.3.21
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking forked-tarpc v0.31.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opentelemetry v0.17.0
[INFO] [stdout] warning: trait `PollContext` is never used
[INFO] [stdout]    --> src/lib.rs:392:18
[INFO] [stdout]     |
[INFO] [stdout] 392 | pub(crate) trait PollContext<T> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SpanExt` is never used
[INFO] [stdout]    --> src/context.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub(crate) trait SpanExt {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.9.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.16.0
[INFO] [stdout] warning: trait `PollContext` is never used
[INFO] [stdout]    --> src/lib.rs:392:18
[INFO] [stdout]     |
[INFO] [stdout] 392 | pub(crate) trait PollContext<T> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap` is never used
[INFO] [stdout]    --> src/client.rs:855:12
[INFO] [stdout]     |
[INFO] [stdout] 853 |     trait PollTest {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] 854 |         type T;
[INFO] [stdout] 855 |         fn unwrap(self) -> Poll<Self::T>;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SpanExt` is never used
[INFO] [stdout]    --> src/context.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub(crate) trait SpanExt {
[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 19.40s
[INFO] running `Command { std: "docker" "inspect" "e0b096159853b753fd21a5db1bbef71b982e84abef0dcdff3d2490abe1aaaf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b096159853b753fd21a5db1bbef71b982e84abef0dcdff3d2490abe1aaaf4e", kill_on_drop: false }`
[INFO] [stdout] e0b096159853b753fd21a5db1bbef71b982e84abef0dcdff3d2490abe1aaaf4e