[INFO] fetching crate futures_ringbuf 0.3.1... [INFO] testing futures_ringbuf-0.3.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate futures_ringbuf 0.3.1 into /workspace/builds/worker-72/source [INFO] validating manifest of crates.io crate futures_ringbuf 0.3.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate futures_ringbuf 0.3.1 [INFO] finished tweaking crates.io crate futures_ringbuf 0.3.1 [INFO] tweaked toml for crates.io crate futures_ringbuf 0.3.1 written to /workspace/builds/worker-72/source/Cargo.toml [INFO] crate crates.io crate futures_ringbuf 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a6a51b6c66d5050a2e35ad79a8474ff35adcdc4ada586bf2b6a48e60cf0fffa [INFO] running `Command { std: "docker" "start" "-a" "3a6a51b6c66d5050a2e35ad79a8474ff35adcdc4ada586bf2b6a48e60cf0fffa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a6a51b6c66d5050a2e35ad79a8474ff35adcdc4ada586bf2b6a48e60cf0fffa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a6a51b6c66d5050a2e35ad79a8474ff35adcdc4ada586bf2b6a48e60cf0fffa", kill_on_drop: false }` [INFO] [stdout] 3a6a51b6c66d5050a2e35ad79a8474ff35adcdc4ada586bf2b6a48e60cf0fffa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 940e93c0fac8449890259bc5ebd154022fbd47bb124d495554ffc2f9a2f205b0 [INFO] running `Command { std: "docker" "start" "-a" "940e93c0fac8449890259bc5ebd154022fbd47bb124d495554ffc2f9a2f205b0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling semver v1.0.3 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling ringbuf v0.2.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling futures_ringbuf v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling log-derive v0.4.1 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.21s [INFO] running `Command { std: "docker" "inspect" "940e93c0fac8449890259bc5ebd154022fbd47bb124d495554ffc2f9a2f205b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "940e93c0fac8449890259bc5ebd154022fbd47bb124d495554ffc2f9a2f205b0", kill_on_drop: false }` [INFO] [stdout] 940e93c0fac8449890259bc5ebd154022fbd47bb124d495554ffc2f9a2f205b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d5a8df7947d0f5b06ec4d2fe44cfa5122fe9618718e7f695f9b0f53f793ec55 [INFO] running `Command { std: "docker" "start" "-a" "1d5a8df7947d0f5b06ec4d2fe44cfa5122fe9618718e7f695f9b0f53f793ec55", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling fastrand v1.4.1 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling async-task v4.0.3 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling assert_matches v1.5.0 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling tokio v1.6.1 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.4.0 [INFO] [stderr] Compiling pretty_assertions v0.7.2 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling ergo-pin v0.1.0 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling log-derive v0.4.1 [INFO] [stderr] Compiling polling v2.0.3 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling tokio-util v0.6.7 [INFO] [stderr] Compiling pin-project v1.0.7 [INFO] [stderr] Compiling async-io v1.4.1 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-std v1.9.0 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling asynchronous-codec v0.6.0 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling futures-test v0.3.15 [INFO] [stderr] Compiling futures_ringbuf v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 20.18s [INFO] running `Command { std: "docker" "inspect" "1d5a8df7947d0f5b06ec4d2fe44cfa5122fe9618718e7f695f9b0f53f793ec55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d5a8df7947d0f5b06ec4d2fe44cfa5122fe9618718e7f695f9b0f53f793ec55", kill_on_drop: false }` [INFO] [stdout] 1d5a8df7947d0f5b06ec4d2fe44cfa5122fe9618718e7f695f9b0f53f793ec55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5736ec7f813a464687a714eb06ee32819f5853df2b2b02e6ecda204b0c0e43a7 [INFO] running `Command { std: "docker" "start" "-a" "5736ec7f813a464687a714eb06ee32819f5853df2b2b02e6ecda204b0c0e43a7", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/futures_ringbuf-77af12909888cad7) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test async_read::tests::async_read ... ok [INFO] [stdout] test async_read::tests::closed_read ... ok [INFO] [stdout] test async_write::tests::async_write ... ok [INFO] [stdout] test async_write::tests::close_wake_reader ... ok [INFO] [stdout] test async_write::tests::closed_write ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/endpoint.rs (/opt/rustwide/target/debug/deps/endpoint-ad78d91e6964e569) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test basic_usage ... ok [INFO] [stdout] test close_read ... ok [INFO] [stdout] test close_read_remaining ... ok [INFO] [stdout] test close_wake_pending ... ok [INFO] [stdout] test close_write ... ok [INFO] [stdout] test drop_wake_pending ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/endpoint_tokio.rs (/opt/rustwide/target/debug/deps/endpoint_tokio-717cc5375d735a73) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test basic_usage ... ok [INFO] [stdout] test close_read ... ok [INFO] [stdout] test close_read_remaining ... ok [INFO] [stdout] test close_write ... ok [INFO] [stdout] test close_wake_pending ... ok [INFO] [stdout] test drop_wake_pending ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running tests/wasm.rs (/opt/rustwide/target/debug/deps/wasm-339fe712bc0029c7) [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] [stderr] Running tests/wasm_tokio.rs (/opt/rustwide/target/debug/deps/wasm_tokio-f959af2e8e1776c2) [INFO] [stdout] [INFO] [stderr] Doc-tests futures_ringbuf [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" "5736ec7f813a464687a714eb06ee32819f5853df2b2b02e6ecda204b0c0e43a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5736ec7f813a464687a714eb06ee32819f5853df2b2b02e6ecda204b0c0e43a7", kill_on_drop: false }` [INFO] [stdout] 5736ec7f813a464687a714eb06ee32819f5853df2b2b02e6ecda204b0c0e43a7