[INFO] fetching crate rcu-clean 0.1.8... [INFO] checking rcu-clean-0.1.8 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1 [INFO] extracting crate rcu-clean 0.1.8 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate rcu-clean 0.1.8 [INFO] finished tweaking crates.io crate rcu-clean 0.1.8 [INFO] tweaked toml for crates.io crate rcu-clean 0.1.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rcu-clean 0.1.8 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 54 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.2.11 (available: v0.8.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cafa1ec83193731adc6f66c521acf3bc5df92eab9e697cb51d6886d047b5d889 [INFO] running `Command { std: "docker" "start" "-a" "cafa1ec83193731adc6f66c521acf3bc5df92eab9e697cb51d6886d047b5d889", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cafa1ec83193731adc6f66c521acf3bc5df92eab9e697cb51d6886d047b5d889", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cafa1ec83193731adc6f66c521acf3bc5df92eab9e697cb51d6886d047b5d889", kill_on_drop: false }` [INFO] [stdout] cafa1ec83193731adc6f66c521acf3bc5df92eab9e697cb51d6886d047b5d889 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3cbad56ce401af2c9448468cfb6a98f27eb6f594bd165d87683ce524d856cd70 [INFO] running `Command { std: "docker" "start" "-a" "3cbad56ce401af2c9448468cfb6a98f27eb6f594bd165d87683ce524d856cd70", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking serde_json v1.0.149 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rcu-clean v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 99 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 114 | impl_stuff!(BoxRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 114 | impl_stuff!(BoxRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 99 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 115 | impl_stuff!(RcRcu); [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 115 | impl_stuff!(RcRcu); [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 99 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 116 | impl_stuff!(ArcRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 116 | impl_stuff!(ArcRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 99 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 114 | impl_stuff!(BoxRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 114 | impl_stuff!(BoxRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 99 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 115 | impl_stuff!(RcRcu); [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 115 | impl_stuff!(RcRcu); [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 99 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 116 | impl_stuff!(ArcRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serde` [INFO] [stdout] --> src/lib.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | #[cfg(serde)] [INFO] [stdout] | ^^^^^ help: found config with similar value: `feature = "serde"` [INFO] [stdout] ... [INFO] [stdout] 116 | impl_stuff!(ArcRcu); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serde)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serde)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `impl_stuff` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rcrcu.rs:158:16 [INFO] [stdout] | [INFO] [stdout] 158 | struct Foo(usize); [INFO] [stdout] | --- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Foo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.35s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "3cbad56ce401af2c9448468cfb6a98f27eb6f594bd165d87683ce524d856cd70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cbad56ce401af2c9448468cfb6a98f27eb6f594bd165d87683ce524d856cd70", kill_on_drop: false }` [INFO] [stdout] 3cbad56ce401af2c9448468cfb6a98f27eb6f594bd165d87683ce524d856cd70