[INFO] fetching crate web-component 0.1.5... [INFO] testing web-component-0.1.5 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate web-component 0.1.5 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate web-component 0.1.5 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate web-component 0.1.5 [INFO] finished tweaking crates.io crate web-component 0.1.5 [INFO] tweaked toml for crates.io crate web-component 0.1.5 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e42124c4195bb6ae8536c3a3cee300180d0509012c6f576e7c9fd45f9ecad84 [INFO] running `Command { std: "docker" "start" "-a" "3e42124c4195bb6ae8536c3a3cee300180d0509012c6f576e7c9fd45f9ecad84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e42124c4195bb6ae8536c3a3cee300180d0509012c6f576e7c9fd45f9ecad84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e42124c4195bb6ae8536c3a3cee300180d0509012c6f576e7c9fd45f9ecad84", kill_on_drop: false }` [INFO] [stdout] 3e42124c4195bb6ae8536c3a3cee300180d0509012c6f576e7c9fd45f9ecad84 [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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 993c25d70b4db6d743d20faedb29ce17f43299d3a51abbcce42ab2fc25fcc1b4 [INFO] running `Command { std: "docker" "start" "-a" "993c25d70b4db6d743d20faedb29ce17f43299d3a51abbcce42ab2fc25fcc1b4", kill_on_drop: false }` [INFO] [stderr] Compiling erased-serde v0.3.16 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling web-component-derive v0.1.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling web-sys v0.3.54 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling web-component v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/traits.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | let json = &mut erased_serde::Serializer::erase(json); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.72s [INFO] running `Command { std: "docker" "inspect" "993c25d70b4db6d743d20faedb29ce17f43299d3a51abbcce42ab2fc25fcc1b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "993c25d70b4db6d743d20faedb29ce17f43299d3a51abbcce42ab2fc25fcc1b4", kill_on_drop: false }` [INFO] [stdout] 993c25d70b4db6d743d20faedb29ce17f43299d3a51abbcce42ab2fc25fcc1b4 [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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fbf1bc8e8011993718a8a4efe136573de2a6a819872fb28abb78d90b0481b54 [INFO] running `Command { std: "docker" "start" "-a" "1fbf1bc8e8011993718a8a4efe136573de2a6a819872fb28abb78d90b0481b54", kill_on_drop: false }` [INFO] [stderr] Compiling web-component v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/traits.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | let json = &mut erased_serde::Serializer::erase(json); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/traits.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | let json = &mut erased_serde::Serializer::erase(json); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "1fbf1bc8e8011993718a8a4efe136573de2a6a819872fb28abb78d90b0481b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fbf1bc8e8011993718a8a4efe136573de2a6a819872fb28abb78d90b0481b54", kill_on_drop: false }` [INFO] [stdout] 1fbf1bc8e8011993718a8a4efe136573de2a6a819872fb28abb78d90b0481b54 [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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7afd2f2741d313d6cce44d90a3e3c41578065466c21e9eb8fe9a917b42216474 [INFO] running `Command { std: "docker" "start" "-a" "7afd2f2741d313d6cce44d90a3e3c41578065466c21e9eb8fe9a917b42216474", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits.rs:10:25 [INFO] [stderr] | [INFO] [stderr] 10 | let json = &mut erased_serde::Serializer::erase(json); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `web-component` (lib) generated 1 warning [INFO] [stderr] warning: `web-component` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/web_component-be873cb52f4c9565) [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] Doc-tests web-component [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" "7afd2f2741d313d6cce44d90a3e3c41578065466c21e9eb8fe9a917b42216474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7afd2f2741d313d6cce44d90a3e3c41578065466c21e9eb8fe9a917b42216474", kill_on_drop: false }` [INFO] [stdout] 7afd2f2741d313d6cce44d90a3e3c41578065466c21e9eb8fe9a917b42216474