[INFO] fetching crate blocker 0.1.2... [INFO] checking blocker-0.1.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate blocker 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate blocker 0.1.2 [INFO] finished tweaking crates.io crate blocker 0.1.2 [INFO] tweaked toml for crates.io crate blocker 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate blocker 0.1.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate blocker 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82f924c94e76983a3ea603d946d66762ee4760e743a391375c61a0f8298a1f95 [INFO] running `Command { std: "docker" "start" "-a" "82f924c94e76983a3ea603d946d66762ee4760e743a391375c61a0f8298a1f95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82f924c94e76983a3ea603d946d66762ee4760e743a391375c61a0f8298a1f95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82f924c94e76983a3ea603d946d66762ee4760e743a391375c61a0f8298a1f95", kill_on_drop: false }` [INFO] [stdout] 82f924c94e76983a3ea603d946d66762ee4760e743a391375c61a0f8298a1f95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65f6c8af3398a332d33032462f7e9bf83335de7c08382510b0d90b5059230a49 [INFO] running `Command { std: "docker" "start" "-a" "65f6c8af3398a332d33032462f7e9bf83335de7c08382510b0d90b5059230a49", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking blocker v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `thread_yield` [INFO] [stdout] --> src/lib.rs:25:7 [INFO] [stdout] | [INFO] [stdout] 25 | #[cfg(thread_yield)] [INFO] [stdout] | ^^^^^^^^^^^^ help: found config with similar value: `feature = "thread_yield"` [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(thread_yield)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thread_yield)");` 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] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `thread_yield` [INFO] [stdout] --> src/lib.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | #[cfg(thread_yield)] [INFO] [stdout] | ^^^^^^^^^^^^ help: found config with similar value: `feature = "thread_yield"` [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(thread_yield)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thread_yield)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `thread_yield` [INFO] [stdout] --> src/lib.rs:25:7 [INFO] [stdout] | [INFO] [stdout] 25 | #[cfg(thread_yield)] [INFO] [stdout] | ^^^^^^^^^^^^ help: found config with similar value: `feature = "thread_yield"` [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(thread_yield)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thread_yield)");` 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] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `thread_yield` [INFO] [stdout] --> src/lib.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | #[cfg(thread_yield)] [INFO] [stdout] | ^^^^^^^^^^^^ help: found config with similar value: `feature = "thread_yield"` [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(thread_yield)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thread_yield)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:145:33 [INFO] [stdout] | [INFO] [stdout] 145 | let guard = original.deref().lock().unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `std::sync::Mutex` does not implement `Deref`, so calling `deref` on `&std::sync::Mutex` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 145 - let guard = original.deref().lock().unwrap(); [INFO] [stdout] 145 + let guard = original.lock().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s [INFO] running `Command { std: "docker" "inspect" "65f6c8af3398a332d33032462f7e9bf83335de7c08382510b0d90b5059230a49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65f6c8af3398a332d33032462f7e9bf83335de7c08382510b0d90b5059230a49", kill_on_drop: false }` [INFO] [stdout] 65f6c8af3398a332d33032462f7e9bf83335de7c08382510b0d90b5059230a49