[INFO] fetching crate pagecache 0.19.4... [INFO] checking pagecache-0.19.4 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate pagecache 0.19.4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate pagecache 0.19.4 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate pagecache 0.19.4 [INFO] finished tweaking crates.io crate pagecache 0.19.4 [INFO] tweaked toml for crates.io crate pagecache 0.19.4 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zstd-sys v1.4.13+zstd.1.4.3 [INFO] [stderr] Downloaded zstd v0.4.28+zstd.1.4.3 [INFO] [stderr] Downloaded zstd-safe v1.4.13+zstd.1.4.3 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1718d441dadb4522caeec4affc5f65863c6b6910fa52b3c1548e95e7f09e840 [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" "b1718d441dadb4522caeec4affc5f65863c6b6910fa52b3c1548e95e7f09e840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1718d441dadb4522caeec4affc5f65863c6b6910fa52b3c1548e95e7f09e840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1718d441dadb4522caeec4affc5f65863c6b6910fa52b3c1548e95e7f09e840", kill_on_drop: false }` [INFO] [stdout] b1718d441dadb4522caeec4affc5f65863c6b6910fa52b3c1548e95e7f09e840 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0df25a2a153d480ae5db8adee61e31d3a9d1eccd3a4909b10bbea52d36faf507 [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" "0df25a2a153d480ae5db8adee61e31d3a9d1eccd3a4909b10bbea52d36faf507", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking pagecache v0.19.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/result.rs:127:28 [INFO] [stdout] | [INFO] [stdout] 127 | Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/result.rs:127:28 [INFO] [stdout] | [INFO] [stdout] 127 | Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pagecache` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/config.rs:448:9 [INFO] [stdout] | [INFO] [stdout] 448 | buf.split_off(len - 4); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/snapshot.rs:218:5 [INFO] [stdout] | [INFO] [stdout] 218 | buf.split_off(len - 12); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0df25a2a153d480ae5db8adee61e31d3a9d1eccd3a4909b10bbea52d36faf507", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0df25a2a153d480ae5db8adee61e31d3a9d1eccd3a4909b10bbea52d36faf507", kill_on_drop: false }` [INFO] [stdout] 0df25a2a153d480ae5db8adee61e31d3a9d1eccd3a4909b10bbea52d36faf507