[INFO] fetching crate ddshow-sink 0.2.2... [INFO] testing ddshow-sink-0.2.2 against 1.55.0 for beta-1.56-1 [INFO] extracting crate ddshow-sink 0.2.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate ddshow-sink 0.2.2 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 ddshow-sink 0.2.2 [INFO] finished tweaking crates.io crate ddshow-sink 0.2.2 [INFO] tweaked toml for crates.io crate ddshow-sink 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 37a6166cc0b88912812ac1da1e0e1245bb887766eaa731c3419970c7943a2719 [INFO] running `Command { std: "docker" "start" "-a" "37a6166cc0b88912812ac1da1e0e1245bb887766eaa731c3419970c7943a2719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37a6166cc0b88912812ac1da1e0e1245bb887766eaa731c3419970c7943a2719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37a6166cc0b88912812ac1da1e0e1245bb887766eaa731c3419970c7943a2719", kill_on_drop: false }` [INFO] [stdout] 37a6166cc0b88912812ac1da1e0e1245bb887766eaa731c3419970c7943a2719 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b3d6ef0d9531aaa05c60657b601fb15983e4ee3bc9311dd089ed1a05ae75df36 [INFO] running `Command { std: "docker" "start" "-a" "b3d6ef0d9531aaa05c60657b601fb15983e4ee3bc9311dd089ed1a05ae75df36", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling bytecheck v0.6.5 [INFO] [stderr] Compiling timely_bytes v0.12.0 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling abomonation v0.7.3 [INFO] [stderr] Compiling rend v0.3.2 [INFO] [stderr] Compiling timely_logging v0.12.0 [INFO] [stderr] Compiling rkyv v0.7.3 [INFO] [stderr] Compiling seahash v4.1.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling tinyvec v1.3.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling ptr_meta_derive v0.1.4 [INFO] [stderr] Compiling abomonation_derive v0.5.0 [INFO] [stderr] Compiling bytecheck_derive v0.6.5 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling rkyv_derive v0.7.3 [INFO] [stderr] Compiling ptr_meta v0.1.4 [INFO] [stderr] Compiling timely_communication v0.12.0 [INFO] [stderr] Compiling timely v0.12.0 [INFO] [stderr] Compiling differential-dataflow v0.12.0 [INFO] [stderr] Compiling ddshow-types v0.2.2 [INFO] [stderr] Compiling ddshow-sink v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 69 | if let Err(err) = self.stream.write_all(&PADDING[..padding]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | if let Err(err) = serializer.serialize_value(&event) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:116:20 [INFO] [stdout] | [INFO] [stdout] 116 | if let Err(err) = result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.76s [INFO] running `Command { std: "docker" "inspect" "b3d6ef0d9531aaa05c60657b601fb15983e4ee3bc9311dd089ed1a05ae75df36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3d6ef0d9531aaa05c60657b601fb15983e4ee3bc9311dd089ed1a05ae75df36", kill_on_drop: false }` [INFO] [stdout] b3d6ef0d9531aaa05c60657b601fb15983e4ee3bc9311dd089ed1a05ae75df36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d251d7cef37ebe1764961f746c64c5990f6844f16959ea1241c121207362184d [INFO] running `Command { std: "docker" "start" "-a" "d251d7cef37ebe1764961f746c64c5990f6844f16959ea1241c121207362184d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ddshow-sink v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 69 | if let Err(err) = self.stream.write_all(&PADDING[..padding]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | if let Err(err) = serializer.serialize_value(&event) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:116:20 [INFO] [stdout] | [INFO] [stdout] 116 | if let Err(err) = result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 69 | if let Err(err) = self.stream.write_all(&PADDING[..padding]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | if let Err(err) = serializer.serialize_value(&event) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/writer.rs:116:20 [INFO] [stdout] | [INFO] [stdout] 116 | if let Err(err) = result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "d251d7cef37ebe1764961f746c64c5990f6844f16959ea1241c121207362184d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d251d7cef37ebe1764961f746c64c5990f6844f16959ea1241c121207362184d", kill_on_drop: false }` [INFO] [stdout] d251d7cef37ebe1764961f746c64c5990f6844f16959ea1241c121207362184d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b1a16721ba438c42241d97a9c41b6fe65293f68bbf4d750c7352d282777d471a [INFO] running `Command { std: "docker" "start" "-a" "b1a16721ba438c42241d97a9c41b6fe65293f68bbf4d750c7352d282777d471a", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/writer.rs:69:28 [INFO] [stderr] | [INFO] [stderr] 69 | if let Err(err) = self.stream.write_all(&PADDING[..padding]) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/writer.rs:94:20 [INFO] [stderr] | [INFO] [stderr] 94 | if let Err(err) = serializer.serialize_value(&event) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/writer.rs:116:20 [INFO] [stderr] | [INFO] [stderr] 116 | if let Err(err) = result { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: `ddshow-sink` (lib) generated 3 warnings [INFO] [stderr] warning: `ddshow-sink` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ddshow_sink-64ac7a7f89d9e8cd) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests ddshow-sink [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 2 tests [INFO] [stdout] test src/lib.rs - enable_differential_logging (line 143) ... ok [INFO] [stdout] test src/lib.rs - enable_timely_logging (line 58) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.63s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b1a16721ba438c42241d97a9c41b6fe65293f68bbf4d750c7352d282777d471a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1a16721ba438c42241d97a9c41b6fe65293f68bbf4d750c7352d282777d471a", kill_on_drop: false }` [INFO] [stdout] b1a16721ba438c42241d97a9c41b6fe65293f68bbf4d750c7352d282777d471a