[INFO] fetching crate tarpc 0.34.0...
[INFO] checking tarpc-0.34.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate tarpc 0.34.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tarpc 0.34.0 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 tarpc 0.34.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tarpc 0.34.0
[INFO] tweaked toml for crates.io crate tarpc 0.34.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate tarpc 0.34.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.18.0
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.13
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.10.0
[INFO] [stderr]   Downloaded futures-test v0.3.28
[INFO] [stderr]   Downloaded console-api v0.5.0
[INFO] [stderr]   Downloaded console-subscriber v0.1.10
[INFO] [stderr]   Downloaded webpki v0.22.1
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.18.0
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.17.0
[INFO] [stderr]   Downloaded thrift v0.16.0
[INFO] [stderr]   Downloaded opentelemetry_api v0.18.0
[INFO] [stderr]   Downloaded basic-toml v0.1.4
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] [stderr]   Downloaded tarpc-plugins v0.13.0
[INFO] [stderr]   Downloaded async-trait v0.1.73
[INFO] [stderr]   Downloaded opentelemetry v0.18.0
[INFO] [stderr]   Downloaded trybuild v1.0.84
[INFO] [stderr]   Downloaded hdrhistogram v7.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4daa76fa81e631457fb3154e66ef443665cdd029a71432fb54fcef9876fd4d5e
[INFO] running `Command { std: "docker" "start" "-a" "4daa76fa81e631457fb3154e66ef443665cdd029a71432fb54fcef9876fd4d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4daa76fa81e631457fb3154e66ef443665cdd029a71432fb54fcef9876fd4d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4daa76fa81e631457fb3154e66ef443665cdd029a71432fb54fcef9876fd4d5e", kill_on_drop: false }`
[INFO] [stdout] 4daa76fa81e631457fb3154e66ef443665cdd029a71432fb54fcef9876fd4d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b415a05eac72a1db72a09c8b02bb59d8bea031858b1f25a6bb59772d12da7ae0
[INFO] running `Command { std: "docker" "start" "-a" "b415a05eac72a1db72a09c8b02bb59d8bea031858b1f25a6bb59772d12da7ae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
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[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling enum-ordinalize v3.1.13
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[INFO] [stderr]     Checking opentelemetry v0.18.0
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[INFO] [stderr]     Checking tracing-opentelemetry v0.18.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.17.0
[INFO] [stderr]     Checking tarpc v0.34.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `PollContext` is never used
[INFO] [stdout]    --> src/lib.rs:368:18
[INFO] [stdout]     |
[INFO] [stdout] 368 | 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.9.2
[INFO] [stderr]     Checking console-api v0.5.0
[INFO] [stderr]     Checking console-subscriber v0.1.10
[INFO] [stdout] warning: trait `PollContext` is never used
[INFO] [stdout]    --> src/lib.rs:368:18
[INFO] [stdout]     |
[INFO] [stdout] 368 | 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:1037:12
[INFO] [stdout]      |
[INFO] [stdout] 1035 |     trait PollTest {
[INFO] [stdout]      |           -------- method in this trait
[INFO] [stdout] 1036 |         type T;
[INFO] [stdout] 1037 |         fn unwrap(self) -> Poll<Self::T>;
[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 45.60s
[INFO] running `Command { std: "docker" "inspect" "b415a05eac72a1db72a09c8b02bb59d8bea031858b1f25a6bb59772d12da7ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b415a05eac72a1db72a09c8b02bb59d8bea031858b1f25a6bb59772d12da7ae0", kill_on_drop: false }`
[INFO] [stdout] b415a05eac72a1db72a09c8b02bb59d8bea031858b1f25a6bb59772d12da7ae0