[INFO] fetching crate tower-load 0.3.0...
[INFO] building tower-load-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tower-load 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tower-load 0.3.0
[INFO] finished tweaking crates.io crate tower-load 0.3.0
[INFO] tweaked toml for crates.io crate tower-load 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-load 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding pin-project v0.4.30 (available: v1.1.10)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] [stderr]       Adding tokio-test v0.2.1 (available: v0.4.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded tower-discover v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d8762c10b81d9013c51ad2e4c6b4c86d83fa5a31cfd20a23b5430c9997958cc
[INFO] running `Command { std: "docker" "start" "-a" "7d8762c10b81d9013c51ad2e4c6b4c86d83fa5a31cfd20a23b5430c9997958cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8762c10b81d9013c51ad2e4c6b4c86d83fa5a31cfd20a23b5430c9997958cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8762c10b81d9013c51ad2e4c6b4c86d83fa5a31cfd20a23b5430c9997958cc", kill_on_drop: false }`
[INFO] [stdout] 7d8762c10b81d9013c51ad2e4c6b4c86d83fa5a31cfd20a23b5430c9997958cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba4b1688bbdff0700e913e4945d1166b4fe7af6dc21a429c80d64fcf91ea243
[INFO] running `Command { std: "docker" "start" "-a" "fba4b1688bbdff0700e913e4945d1166b4fe7af6dc21a429c80d64fcf91ea243", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling pin-project v0.4.30
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pending_requests.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Handle(RefCount);
[INFO] [stdout]    |            ------ ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Handle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "fba4b1688bbdff0700e913e4945d1166b4fe7af6dc21a429c80d64fcf91ea243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba4b1688bbdff0700e913e4945d1166b4fe7af6dc21a429c80d64fcf91ea243", kill_on_drop: false }`
[INFO] [stdout] fba4b1688bbdff0700e913e4945d1166b4fe7af6dc21a429c80d64fcf91ea243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07fae0f92fd8e13d6d5246231fb3b2cccf0a12f749cb54b0326ce4fa2280cc3e
[INFO] running `Command { std: "docker" "start" "-a" "07fae0f92fd8e13d6d5246231fb3b2cccf0a12f749cb54b0326ce4fa2280cc3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pending_requests.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Handle(RefCount);
[INFO] [stdout]    |            ------ ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Handle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tower-load v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `assert_ready`
[INFO] [stdout]    --> src/peak_ewma.rs:314:22
[INFO] [stdout]     |
[INFO] [stdout] 314 |     use tokio_test::{assert_ready, assert_ready_ok, task};
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pending_requests.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Handle(RefCount);
[INFO] [stdout]    |            ------ ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Handle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "07fae0f92fd8e13d6d5246231fb3b2cccf0a12f749cb54b0326ce4fa2280cc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fae0f92fd8e13d6d5246231fb3b2cccf0a12f749cb54b0326ce4fa2280cc3e", kill_on_drop: false }`
[INFO] [stdout] 07fae0f92fd8e13d6d5246231fb3b2cccf0a12f749cb54b0326ce4fa2280cc3e
