[INFO] fetching crate cacache 8.0.0... [INFO] checking cacache-8.0.0 against beta for pr-78714 [INFO] extracting crate cacache 8.0.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate cacache 8.0.0 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 cacache 8.0.0 [INFO] finished tweaking crates.io crate cacache 8.0.0 [INFO] tweaked toml for crates.io crate cacache 8.0.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c94fa9abcf23d3a5794e1639fad9b07a7861be06d3b1e0f29387a3e859872769 [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" "c94fa9abcf23d3a5794e1639fad9b07a7861be06d3b1e0f29387a3e859872769", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c94fa9abcf23d3a5794e1639fad9b07a7861be06d3b1e0f29387a3e859872769", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c94fa9abcf23d3a5794e1639fad9b07a7861be06d3b1e0f29387a3e859872769", kill_on_drop: false }` [INFO] [stdout] c94fa9abcf23d3a5794e1639fad9b07a7861be06d3b1e0f29387a3e859872769 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f08d41c86d17da03f6916782d30b66d8f851f6c6b66a1488611a32b9abb3ffc1 [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" "f08d41c86d17da03f6916782d30b66d8f851f6c6b66a1488611a32b9abb3ffc1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rayon v1.5.0 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking csv v1.1.4 [INFO] [stderr] Checking async-io v1.2.0 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking async-std v1.7.0 [INFO] [stderr] Compiling pin-project-internal v1.0.1 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking pin-project v1.0.1 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking ssri v5.0.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking cacache v8.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:316:19 [INFO] [stdout] | [INFO] [stdout] 316 | fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:316:19 [INFO] [stdout] | [INFO] [stdout] 316 | fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.27s [INFO] running `Command { std: "docker" "inspect" "f08d41c86d17da03f6916782d30b66d8f851f6c6b66a1488611a32b9abb3ffc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f08d41c86d17da03f6916782d30b66d8f851f6c6b66a1488611a32b9abb3ffc1", kill_on_drop: false }` [INFO] [stdout] f08d41c86d17da03f6916782d30b66d8f851f6c6b66a1488611a32b9abb3ffc1