[INFO] fetching crate synqueue 0.1.0... [INFO] testing synqueue-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate synqueue 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate synqueue 0.1.0 [INFO] finished tweaking crates.io crate synqueue 0.1.0 [INFO] tweaked toml for crates.io crate synqueue 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate synqueue 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding loom v0.5.6 (available: v0.7.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded profiling-procmacros v1.0.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ab22f6f24849c2136b0e5bf998a79297655d8efb72547315934f60251669750 [INFO] running `Command { std: "docker" "start" "-a" "2ab22f6f24849c2136b0e5bf998a79297655d8efb72547315934f60251669750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ab22f6f24849c2136b0e5bf998a79297655d8efb72547315934f60251669750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ab22f6f24849c2136b0e5bf998a79297655d8efb72547315934f60251669750", kill_on_drop: false }` [INFO] [stdout] 2ab22f6f24849c2136b0e5bf998a79297655d8efb72547315934f60251669750 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4530de11b41004947f22060b938a4b9033e1e9933f04fe2b1e29427a65b4b06b [INFO] running `Command { std: "docker" "start" "-a" "4530de11b41004947f22060b938a4b9033e1e9933f04fe2b1e29427a65b4b06b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Compiling profiling v1.0.17 [INFO] [stderr] Compiling synqueue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | /// State used first on push, last on pop. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 72 | wide: AtomicUsize::new(0), [INFO] [stdout] | ------------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | /// State used first on pop, last on push. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 74 | narrow: AtomicUsize::new(0), [INFO] [stdout] | --------------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | / /// In order to differentiate between empty and full states, we [INFO] [stdout] 76 | | /// are never going to use the full array, so get one extra element. [INFO] [stdout] | |________________________________________________________________________________^ [INFO] [stdout] 77 | data: (0..=capacity).map(|_| mem::MaybeUninit::uninit()).collect(), [INFO] [stdout] | ------------------------------------------------------------------ rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `Command { std: "docker" "inspect" "4530de11b41004947f22060b938a4b9033e1e9933f04fe2b1e29427a65b4b06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4530de11b41004947f22060b938a4b9033e1e9933f04fe2b1e29427a65b4b06b", kill_on_drop: false }` [INFO] [stdout] 4530de11b41004947f22060b938a4b9033e1e9933f04fe2b1e29427a65b4b06b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eed44d19b025f6c7d96e195558ad8263f646e92e515e8160704fc645d66a0dff [INFO] running `Command { std: "docker" "start" "-a" "eed44d19b025f6c7d96e195558ad8263f646e92e515e8160704fc645d66a0dff", kill_on_drop: false }` [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | /// State used first on push, last on pop. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 72 | wide: AtomicUsize::new(0), [INFO] [stdout] | ------------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | /// State used first on pop, last on push. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 74 | narrow: AtomicUsize::new(0), [INFO] [stdout] | --------------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | / /// In order to differentiate between empty and full states, we [INFO] [stdout] 76 | | /// are never going to use the full array, so get one extra element. [INFO] [stdout] | |________________________________________________________________________________^ [INFO] [stdout] 77 | data: (0..=capacity).map(|_| mem::MaybeUninit::uninit()).collect(), [INFO] [stdout] | ------------------------------------------------------------------ rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synqueue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | /// State used first on push, last on pop. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 72 | wide: AtomicUsize::new(0), [INFO] [stdout] | ------------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | /// State used first on pop, last on push. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 74 | narrow: AtomicUsize::new(0), [INFO] [stdout] | --------------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | / /// In order to differentiate between empty and full states, we [INFO] [stdout] 76 | | /// are never going to use the full array, so get one extra element. [INFO] [stdout] | |________________________________________________________________________________^ [INFO] [stdout] 77 | data: (0..=capacity).map(|_| mem::MaybeUninit::uninit()).collect(), [INFO] [stdout] | ------------------------------------------------------------------ rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "eed44d19b025f6c7d96e195558ad8263f646e92e515e8160704fc645d66a0dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eed44d19b025f6c7d96e195558ad8263f646e92e515e8160704fc645d66a0dff", kill_on_drop: false }` [INFO] [stdout] eed44d19b025f6c7d96e195558ad8263f646e92e515e8160704fc645d66a0dff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1da912fe00de7181de5d10f2f3f518287a6be934f31063579c817ae780523d1d [INFO] running `Command { std: "docker" "start" "-a" "1da912fe00de7181de5d10f2f3f518287a6be934f31063579c817ae780523d1d", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | /// State used first on push, last on pop. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 72 | wide: AtomicUsize::new(0), [INFO] [stderr] | ------------------------- rustdoc does not generate documentation for expression fields [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | /// State used first on pop, last on push. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 74 | narrow: AtomicUsize::new(0), [INFO] [stderr] | --------------------------- rustdoc does not generate documentation for expression fields [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | / /// In order to differentiate between empty and full states, we [INFO] [stderr] 76 | | /// are never going to use the full array, so get one extra element. [INFO] [stderr] | |________________________________________________________________________________^ [INFO] [stderr] 77 | data: (0..=capacity).map(|_| mem::MaybeUninit::uninit()).collect(), [INFO] [stderr] | ------------------------------------------------------------------ rustdoc does not generate documentation for expression fields [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: `synqueue` (lib) generated 3 warnings [INFO] [stderr] warning: `synqueue` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synqueue-6b7be3da63989f2c) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test overflow ... ok [INFO] [stdout] test smoke ... ok [INFO] [stdout] test barrage ... ok [INFO] [stderr] Doc-tests synqueue [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.99s [INFO] [stdout] [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" "1da912fe00de7181de5d10f2f3f518287a6be934f31063579c817ae780523d1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1da912fe00de7181de5d10f2f3f518287a6be934f31063579c817ae780523d1d", kill_on_drop: false }` [INFO] [stdout] 1da912fe00de7181de5d10f2f3f518287a6be934f31063579c817ae780523d1d