[INFO] fetching crate measured-future-rs 0.3.2... [INFO] testing measured-future-rs-0.3.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate measured-future-rs 0.3.2 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate measured-future-rs 0.3.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate measured-future-rs 0.3.2 [INFO] finished tweaking crates.io crate measured-future-rs 0.3.2 [INFO] tweaked toml for crates.io crate measured-future-rs 0.3.2 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate measured-future-rs 0.3.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4589eaedc38d11d16f7db0b13f1fc914ba52ba96434354e89d971d331866b582 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4589eaedc38d11d16f7db0b13f1fc914ba52ba96434354e89d971d331866b582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4589eaedc38d11d16f7db0b13f1fc914ba52ba96434354e89d971d331866b582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4589eaedc38d11d16f7db0b13f1fc914ba52ba96434354e89d971d331866b582", kill_on_drop: false }` [INFO] [stdout] 4589eaedc38d11d16f7db0b13f1fc914ba52ba96434354e89d971d331866b582 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac5cf81a8b6c45abb201c3fca20c1e37129b8cffa81e0fe0aa3b82f16d7912d4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ac5cf81a8b6c45abb201c3fca20c1e37129b8cffa81e0fe0aa3b82f16d7912d4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling pin-project-internal v0.4.26 [INFO] [stderr] Compiling futures-core v0.3.6 [INFO] [stderr] Compiling futures-sink v0.3.6 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling futures-io v0.3.6 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling stat v0.2.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling futures-channel v0.3.6 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling futures-task v0.3.6 [INFO] [stderr] Compiling futures-macro v0.3.6 [INFO] [stderr] Compiling pin-project v0.4.26 [INFO] [stderr] Compiling futures-util v0.3.6 [INFO] [stderr] Compiling futures-executor v0.3.6 [INFO] [stderr] Compiling futures v0.3.6 [INFO] [stderr] Compiling measured-future-rs v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/acc/acc.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.50s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ac5cf81a8b6c45abb201c3fca20c1e37129b8cffa81e0fe0aa3b82f16d7912d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac5cf81a8b6c45abb201c3fca20c1e37129b8cffa81e0fe0aa3b82f16d7912d4", kill_on_drop: false }` [INFO] [stdout] ac5cf81a8b6c45abb201c3fca20c1e37129b8cffa81e0fe0aa3b82f16d7912d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0436988073dc063b8c7f33da8c7da533409531f5a3b18a3923fb24c55f335a4e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0436988073dc063b8c7f33da8c7da533409531f5a3b18a3923fb24c55f335a4e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling pin-project-lite v0.1.10 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/acc/acc.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.2.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling measured-future-rs v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/acc/acc.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> examples/02.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | .map({ |_| time_it(run_producer(tx.clone(), iterations)) }), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arc` [INFO] [stdout] --> examples/03.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | arc: Arc<()>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ballast` [INFO] [stdout] --> examples/03.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | ballast: [[u8; 16]; 0], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `join_producer_times` [INFO] [stdout] --> examples/02.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 21 | let (join_producer_times, join_consumer_time) = { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_producer_times` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spawn_producer_times` [INFO] [stdout] --> examples/02.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | let (spawn_producer_times, spawn_consumer_time) = { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spawn_producer_times` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> examples/02.rs:98:20 [INFO] [stdout] | [INFO] [stdout] 98 | while let Some(message) = rx.next().await {} [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> examples/02.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ballast` [INFO] [stdout] --> examples/02.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | ballast: [[u8; 16]; 0], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 15.57s [INFO] running `Command { std: "docker" "inspect" "0436988073dc063b8c7f33da8c7da533409531f5a3b18a3923fb24c55f335a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0436988073dc063b8c7f33da8c7da533409531f5a3b18a3923fb24c55f335a4e", kill_on_drop: false }` [INFO] [stdout] 0436988073dc063b8c7f33da8c7da533409531f5a3b18a3923fb24c55f335a4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff0c18de5c4c88f4e4d3414c4a2ffb346fd9844c51cc00c72a6ddd3b34a7ba7d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ff0c18de5c4c88f4e4d3414c4a2ffb346fd9844c51cc00c72a6ddd3b34a7ba7d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/acc/acc.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/acc/acc.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> examples/02.rs:76:18 [INFO] [stderr] | [INFO] [stderr] 76 | .map({ |_| time_it(run_producer(tx.clone(), iterations)) }), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `join_producer_times` [INFO] [stderr] --> examples/02.rs:21:10 [INFO] [stderr] | [INFO] [stderr] 21 | let (join_producer_times, join_consumer_time) = { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_producer_times` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `spawn_producer_times` [INFO] [stderr] --> examples/02.rs:34:10 [INFO] [stderr] | [INFO] [stderr] 34 | let (spawn_producer_times, spawn_consumer_time) = { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spawn_producer_times` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> examples/02.rs:98:20 [INFO] [stderr] | [INFO] [stderr] 98 | while let Some(message) = rx.next().await {} [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> examples/02.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `ballast` [INFO] [stderr] --> examples/02.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | ballast: [[u8; 16]; 0], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `arc` [INFO] [stderr] --> examples/03.rs:112:5 [INFO] [stderr] | [INFO] [stderr] 112 | arc: Arc<()>, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `ballast` [INFO] [stderr] --> examples/03.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | ballast: [[u8; 16]; 0], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/measured_future_rs-92b3f05c82224d96) [INFO] [stdout] [INFO] [stderr] Doc-tests measured-future-rs [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] [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" "ff0c18de5c4c88f4e4d3414c4a2ffb346fd9844c51cc00c72a6ddd3b34a7ba7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff0c18de5c4c88f4e4d3414c4a2ffb346fd9844c51cc00c72a6ddd3b34a7ba7d", kill_on_drop: false }` [INFO] [stdout] ff0c18de5c4c88f4e4d3414c4a2ffb346fd9844c51cc00c72a6ddd3b34a7ba7d