[INFO] fetching crate tower-load 0.3.0...
[INFO] testing tower-load-0.3.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tower-load 0.3.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-load 0.3.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding pin-project v0.4.30 (available: v1.1.13)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.52.3)
[INFO] [stderr]       Adding tokio-test v0.2.1 (available: v0.4.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1be015d8126417cc38c4fb88a4713138e15dd44725d67b81a4476122cf52f9b4
[INFO] running `Command { std: "docker" "start" "-a" "1be015d8126417cc38c4fb88a4713138e15dd44725d67b81a4476122cf52f9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1be015d8126417cc38c4fb88a4713138e15dd44725d67b81a4476122cf52f9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be015d8126417cc38c4fb88a4713138e15dd44725d67b81a4476122cf52f9b4", kill_on_drop: false }`
[INFO] [stdout] 1be015d8126417cc38c4fb88a4713138e15dd44725d67b81a4476122cf52f9b4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dec021b0a5676ea161f05a568205ab4578d041ea9686c0b22daa0a6361617748
[INFO] running `Command { std: "docker" "start" "-a" "dec021b0a5676ea161f05a568205ab4578d041ea9686c0b22daa0a6361617748", 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 8.38s
[INFO] running `Command { std: "docker" "inspect" "dec021b0a5676ea161f05a568205ab4578d041ea9686c0b22daa0a6361617748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec021b0a5676ea161f05a568205ab4578d041ea9686c0b22daa0a6361617748", kill_on_drop: false }`
[INFO] [stdout] dec021b0a5676ea161f05a568205ab4578d041ea9686c0b22daa0a6361617748
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b93ef4eb8e4dfcf7683e92ffc3cf8e60b805e039bdc7404db60d7d25e39978f
[INFO] running `Command { std: "docker" "start" "-a" "7b93ef4eb8e4dfcf7683e92ffc3cf8e60b805e039bdc7404db60d7d25e39978f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.32
[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 v0.3.32
[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 2.65s
[INFO] running `Command { std: "docker" "inspect" "7b93ef4eb8e4dfcf7683e92ffc3cf8e60b805e039bdc7404db60d7d25e39978f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b93ef4eb8e4dfcf7683e92ffc3cf8e60b805e039bdc7404db60d7d25e39978f", kill_on_drop: false }`
[INFO] [stdout] 7b93ef4eb8e4dfcf7683e92ffc3cf8e60b805e039bdc7404db60d7d25e39978f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 726b5bb6d6906a2b1f03c5740aefa0d82b6ae66a707b953b95c7f22e25eb1983
[INFO] running `Command { std: "docker" "start" "-a" "726b5bb6d6906a2b1f03c5740aefa0d82b6ae66a707b953b95c7f22e25eb1983", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/pending_requests.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub struct Handle(RefCount);
[INFO] [stderr]    |            ------ ^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Handle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tower-load` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `assert_ready`
[INFO] [stderr]    --> src/peak_ewma.rs:314:22
[INFO] [stderr]     |
[INFO] [stderr] 314 |     use tokio_test::{assert_ready, assert_ready_ok, task};
[INFO] [stderr]     |                      ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tower-load` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p tower-load --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_load-e51b0ca115c9ba9b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test pending_requests::tests::default ... ok
[INFO] [stdout] test peak_ewma::tests::nanos ... ok
[INFO] [stdout] test peak_ewma::tests::compound_decay ... ok
[INFO] [stdout] test pending_requests::tests::instrumented ... ok
[INFO] [stdout] test peak_ewma::tests::default_decay ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower_load
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "726b5bb6d6906a2b1f03c5740aefa0d82b6ae66a707b953b95c7f22e25eb1983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726b5bb6d6906a2b1f03c5740aefa0d82b6ae66a707b953b95c7f22e25eb1983", kill_on_drop: false }`
[INFO] [stdout] 726b5bb6d6906a2b1f03c5740aefa0d82b6ae66a707b953b95c7f22e25eb1983
