[INFO] fetching crate measured-future-rs 0.3.2... [INFO] testing measured-future-rs-0.3.2 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate measured-future-rs 0.3.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate measured-future-rs 0.3.2 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pin-project-internal v0.4.26 [INFO] [stderr] Downloaded pin-project v0.4.26 [INFO] [stderr] Downloaded stat v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 985e8a3d669c3e71cb02d5c9cadbfb21f775442d330f1db82a0364ac8c8ab3af [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" "985e8a3d669c3e71cb02d5c9cadbfb21f775442d330f1db82a0364ac8c8ab3af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "985e8a3d669c3e71cb02d5c9cadbfb21f775442d330f1db82a0364ac8c8ab3af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "985e8a3d669c3e71cb02d5c9cadbfb21f775442d330f1db82a0364ac8c8ab3af", kill_on_drop: false }` [INFO] [stdout] 985e8a3d669c3e71cb02d5c9cadbfb21f775442d330f1db82a0364ac8c8ab3af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96249681544c037ae048c18bb5b28ad2e7402e447c2a1848df378f8e65671296 [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" "96249681544c037ae048c18bb5b28ad2e7402e447c2a1848df378f8e65671296", 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 proc-macro-hack v0.5.18 [INFO] [stderr] Compiling futures-sink v0.3.6 [INFO] [stderr] Compiling futures-io v0.3.6 [INFO] [stderr] Compiling stat v0.2.0 [INFO] [stderr] Compiling futures-task v0.3.6 [INFO] [stderr] Compiling futures-channel 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.20s [INFO] running `Command { std: "docker" "inspect" "96249681544c037ae048c18bb5b28ad2e7402e447c2a1848df378f8e65671296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96249681544c037ae048c18bb5b28ad2e7402e447c2a1848df378f8e65671296", kill_on_drop: false }` [INFO] [stdout] 96249681544c037ae048c18bb5b28ad2e7402e447c2a1848df378f8e65671296 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d8f26d567ac30f664dc35b4e6c70c8a53b0bc602e7c88aa3c14b3b4ddbe1716a [INFO] running `Command { std: "docker" "start" "-a" "d8f26d567ac30f664dc35b4e6c70c8a53b0bc602e7c88aa3c14b3b4ddbe1716a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling arc-swap v0.4.7 [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: 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: 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: 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 27.11s [INFO] running `Command { std: "docker" "inspect" "d8f26d567ac30f664dc35b4e6c70c8a53b0bc602e7c88aa3c14b3b4ddbe1716a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8f26d567ac30f664dc35b4e6c70c8a53b0bc602e7c88aa3c14b3b4ddbe1716a", kill_on_drop: false }` [INFO] [stdout] d8f26d567ac30f664dc35b4e6c70c8a53b0bc602e7c88aa3c14b3b4ddbe1716a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 371d61d20ed3738c98c53c0d9e6e0a141d73a54439aa09f7a22e0d5e07f59350 [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" "371d61d20ed3738c98c53c0d9e6e0a141d73a54439aa09f7a22e0d5e07f59350", 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] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [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 /opt/rustwide/target/debug/deps/measured_future_rs-ac1557f8b11c5346 [INFO] [stderr] Doc-tests measured-future-rs [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" "371d61d20ed3738c98c53c0d9e6e0a141d73a54439aa09f7a22e0d5e07f59350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "371d61d20ed3738c98c53c0d9e6e0a141d73a54439aa09f7a22e0d5e07f59350", kill_on_drop: false }` [INFO] [stdout] 371d61d20ed3738c98c53c0d9e6e0a141d73a54439aa09f7a22e0d5e07f59350