[INFO] fetching crate serde-object 0.0.0-alpha.0... [INFO] checking serde-object-0.0.0-alpha.0 against beta for pr-78714 [INFO] extracting crate serde-object 0.0.0-alpha.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate serde-object 0.0.0-alpha.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ae89aa54090c805b998d406956d098ed5dfb36d34e8c753f31476a351d00eaa [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" "2ae89aa54090c805b998d406956d098ed5dfb36d34e8c753f31476a351d00eaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ae89aa54090c805b998d406956d098ed5dfb36d34e8c753f31476a351d00eaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ae89aa54090c805b998d406956d098ed5dfb36d34e8c753f31476a351d00eaa", kill_on_drop: false }` [INFO] [stdout] 2ae89aa54090c805b998d406956d098ed5dfb36d34e8c753f31476a351d00eaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a49fd749e33993ad7a417eff9dfb524eeee0cc81f9cba7eb2fa9f5f8eadad24 [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" "0a49fd749e33993ad7a417eff9dfb524eeee0cc81f9cba7eb2fa9f5f8eadad24", kill_on_drop: false }` [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Compiling try_match_inner v0.2.0 [INFO] [stderr] Checking try_match v0.2.2 [INFO] [stderr] Checking serde-object v0.0.0-alpha.0 (/opt/rustwide/workdir) [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: 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.91s [INFO] running `Command { std: "docker" "inspect" "0a49fd749e33993ad7a417eff9dfb524eeee0cc81f9cba7eb2fa9f5f8eadad24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a49fd749e33993ad7a417eff9dfb524eeee0cc81f9cba7eb2fa9f5f8eadad24", kill_on_drop: false }` [INFO] [stdout] 0a49fd749e33993ad7a417eff9dfb524eeee0cc81f9cba7eb2fa9f5f8eadad24