[INFO] fetching crate serde-object 0.0.0-alpha.0... [INFO] testing serde-object-0.0.0-alpha.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate serde-object 0.0.0-alpha.0 into /workspace/builds/worker-65/source [INFO] validating manifest of crates.io crate serde-object 0.0.0-alpha.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde-object 0.0.0-alpha.0 [INFO] finished tweaking crates.io crate serde-object 0.0.0-alpha.0 [INFO] tweaked toml for crates.io crate serde-object 0.0.0-alpha.0 written to /workspace/builds/worker-65/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f62a834a4654ec6f3690aed4918338cc45161d0d92e38ddc8a1364a39972c9f [INFO] running `Command { std: "docker" "start" "-a" "4f62a834a4654ec6f3690aed4918338cc45161d0d92e38ddc8a1364a39972c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f62a834a4654ec6f3690aed4918338cc45161d0d92e38ddc8a1364a39972c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f62a834a4654ec6f3690aed4918338cc45161d0d92e38ddc8a1364a39972c9f", kill_on_drop: false }` [INFO] [stdout] 4f62a834a4654ec6f3690aed4918338cc45161d0d92e38ddc8a1364a39972c9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa0d92a5f7b86ac1f57b7b9e1067d71bdf5307a3d74973b4f31f6f1c7b173155 [INFO] running `Command { std: "docker" "start" "-a" "fa0d92a5f7b86ac1f57b7b9e1067d71bdf5307a3d74973b4f31f6f1c7b173155", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling wyz v0.2.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling try_match_inner v0.3.0 [INFO] [stderr] Compiling try_match v0.2.3 [INFO] [stderr] Compiling serde-object v0.0.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:665:10 [INFO] [stdout] | [INFO] [stdout] 665 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/assistant.rs:93:31 [INFO] [stdout] | [INFO] [stdout] 93 | .pipe(|a| Any::downcast_ref::(a)) [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: unused variable: `len` [INFO] [stdout] --> src/lib.rs:1006:31 [INFO] [stdout] | [INFO] [stdout] 1006 | fn tuple_variant(self, len: usize, visitor: V) -> Result [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fields` [INFO] [stdout] --> src/lib.rs:1018:9 [INFO] [stdout] | [INFO] [stdout] 1018 | fields: &'static [&'static str], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.19s [INFO] running `Command { std: "docker" "inspect" "fa0d92a5f7b86ac1f57b7b9e1067d71bdf5307a3d74973b4f31f6f1c7b173155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa0d92a5f7b86ac1f57b7b9e1067d71bdf5307a3d74973b4f31f6f1c7b173155", kill_on_drop: false }` [INFO] [stdout] fa0d92a5f7b86ac1f57b7b9e1067d71bdf5307a3d74973b4f31f6f1c7b173155 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3bf5b0e8ad736c55be1ae8072fdea5fb60d963a8371c52cde58cc0e51a1e17e [INFO] running `Command { std: "docker" "start" "-a" "f3bf5b0e8ad736c55be1ae8072fdea5fb60d963a8371c52cde58cc0e51a1e17e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde-object v0.0.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:665:10 [INFO] [stdout] | [INFO] [stdout] 665 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/assistant.rs:93:31 [INFO] [stdout] | [INFO] [stdout] 93 | .pipe(|a| Any::downcast_ref::(a)) [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: unused variable: `len` [INFO] [stdout] --> src/lib.rs:1006:31 [INFO] [stdout] | [INFO] [stdout] 1006 | fn tuple_variant(self, len: usize, visitor: V) -> Result [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fields` [INFO] [stdout] --> src/lib.rs:1018:9 [INFO] [stdout] | [INFO] [stdout] 1018 | fields: &'static [&'static str], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:665:10 [INFO] [stdout] | [INFO] [stdout] 665 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/assistant.rs:93:31 [INFO] [stdout] | [INFO] [stdout] 93 | .pipe(|a| Any::downcast_ref::(a)) [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: unused variable: `len` [INFO] [stdout] --> src/lib.rs:1006:31 [INFO] [stdout] | [INFO] [stdout] 1006 | fn tuple_variant(self, len: usize, visitor: V) -> Result [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fields` [INFO] [stdout] --> src/lib.rs:1018:9 [INFO] [stdout] | [INFO] [stdout] 1018 | fields: &'static [&'static str], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "f3bf5b0e8ad736c55be1ae8072fdea5fb60d963a8371c52cde58cc0e51a1e17e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3bf5b0e8ad736c55be1ae8072fdea5fb60d963a8371c52cde58cc0e51a1e17e", kill_on_drop: false }` [INFO] [stdout] f3bf5b0e8ad736c55be1ae8072fdea5fb60d963a8371c52cde58cc0e51a1e17e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 54ebcaf6f2ed9744964c08c90d255a9c602fcf5647b3cd68638fa4a44084b381 [INFO] running `Command { std: "docker" "start" "-a" "54ebcaf6f2ed9744964c08c90d255a9c602fcf5647b3cd68638fa4a44084b381", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:665:10 [INFO] [stderr] | [INFO] [stderr] 665 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/assistant.rs:93:31 [INFO] [stderr] | [INFO] [stderr] 93 | .pipe(|a| Any::downcast_ref::(a)) [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: unused variable: `len` [INFO] [stderr] --> src/lib.rs:1006:31 [INFO] [stderr] | [INFO] [stderr] 1006 | fn tuple_variant(self, len: usize, visitor: V) -> Result [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fields` [INFO] [stderr] --> src/lib.rs:1018:9 [INFO] [stderr] | [INFO] [stderr] 1018 | fields: &'static [&'static str], [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stderr] [INFO] [stderr] warning: `serde-object` (lib) generated 4 warnings [INFO] [stderr] warning: `serde-object` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serde_object-a57f3de0c6d65abe) [INFO] [stdout] [INFO] [stderr] Doc-tests serde-object [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] warning: unnecessary trailing semicolon [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:665:10 [INFO] [stderr] | [INFO] [stderr] 665 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "54ebcaf6f2ed9744964c08c90d255a9c602fcf5647b3cd68638fa4a44084b381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54ebcaf6f2ed9744964c08c90d255a9c602fcf5647b3cd68638fa4a44084b381", kill_on_drop: false }` [INFO] [stdout] 54ebcaf6f2ed9744964c08c90d255a9c602fcf5647b3cd68638fa4a44084b381