[INFO] fetching crate polyfuse-tokio 0.2.3... [INFO] testing polyfuse-tokio-0.2.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate polyfuse-tokio 0.2.3 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate polyfuse-tokio 0.2.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate polyfuse-tokio 0.2.3 [INFO] finished tweaking crates.io crate polyfuse-tokio 0.2.3 [INFO] tweaked toml for crates.io crate polyfuse-tokio 0.2.3 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00c0422dc332125bc9b7ad532ae711cf41e61724ce532e24d934fcacddf86aaa [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" "00c0422dc332125bc9b7ad532ae711cf41e61724ce532e24d934fcacddf86aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00c0422dc332125bc9b7ad532ae711cf41e61724ce532e24d934fcacddf86aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00c0422dc332125bc9b7ad532ae711cf41e61724ce532e24d934fcacddf86aaa", kill_on_drop: false }` [INFO] [stdout] 00c0422dc332125bc9b7ad532ae711cf41e61724ce532e24d934fcacddf86aaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 76cd53b66e4e8cea21378ff2779a171814d345cb52a2dc76281c9823a2f24f3b [INFO] running `Command { std: "docker" "start" "-a" "76cd53b66e4e8cea21378ff2779a171814d345cb52a2dc76281c9823a2f24f3b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-sink v0.3.18 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling futures-io v0.3.18 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling futures-executor v0.3.18 [INFO] [stderr] Compiling futures v0.3.18 [INFO] [stderr] Compiling polyfuse v0.3.3 [INFO] [stderr] Compiling polyfuse-tokio v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `bufsize` [INFO] [stdout] --> src/pool.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | bufsize: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/pool.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | key: Key, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.66s [INFO] running `Command { std: "docker" "inspect" "76cd53b66e4e8cea21378ff2779a171814d345cb52a2dc76281c9823a2f24f3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76cd53b66e4e8cea21378ff2779a171814d345cb52a2dc76281c9823a2f24f3b", kill_on_drop: false }` [INFO] [stdout] 76cd53b66e4e8cea21378ff2779a171814d345cb52a2dc76281c9823a2f24f3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1725a3a2a2b90ea239929954a134368cc84f6acf6fbd170b1324a7547bf37349 [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" "1725a3a2a2b90ea239929954a134368cc84f6acf6fbd170b1324a7547bf37349", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling pulldown-cmark v0.4.1 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling semver-parser v0.9.0 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stdout] warning: field is never read: `bufsize` [INFO] [stdout] --> src/pool.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | bufsize: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/pool.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | key: Key, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling version-sync v0.8.1 [INFO] [stderr] Compiling polyfuse-tokio v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] error: field is never read: `bufsize` [INFO] [stdout] --> src/pool.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | bufsize: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 19 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field is never read: `key` [INFO] [stdout] --> src/pool.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | key: Key, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `polyfuse-tokio` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "1725a3a2a2b90ea239929954a134368cc84f6acf6fbd170b1324a7547bf37349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1725a3a2a2b90ea239929954a134368cc84f6acf6fbd170b1324a7547bf37349", kill_on_drop: false }` [INFO] [stdout] 1725a3a2a2b90ea239929954a134368cc84f6acf6fbd170b1324a7547bf37349