[INFO] fetching crate rustsync 0.2.3... [INFO] checking rustsync-0.2.3 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] extracting crate rustsync 0.2.3 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rustsync 0.2.3 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustsync 0.2.3 [INFO] finished tweaking crates.io crate rustsync 0.2.3 [INFO] tweaked toml for crates.io crate rustsync 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", 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] f47a5e4e3d64e0e66196052c5bc2df52ea0507749b5ed56b56e19678696fc3d5 [INFO] running `Command { std: "docker" "start" "-a" "f47a5e4e3d64e0e66196052c5bc2df52ea0507749b5ed56b56e19678696fc3d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f47a5e4e3d64e0e66196052c5bc2df52ea0507749b5ed56b56e19678696fc3d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f47a5e4e3d64e0e66196052c5bc2df52ea0507749b5ed56b56e19678696fc3d5", kill_on_drop: false }` [INFO] [stdout] f47a5e4e3d64e0e66196052c5bc2df52ea0507749b5ed56b56e19678696fc3d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3af3e6ac029b8f37ade0376a9aa2a58619808c0753ebe3dfcc48d6caf41e0af7 [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" "3af3e6ac029b8f37ade0376a9aa2a58619808c0753ebe3dfcc48d6caf41e0af7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking blake2-rfc v0.2.18 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking rustsync v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:243:41 [INFO] [stdout] | [INFO] [stdout] 243 | if let Async::Ready((r, mut block, len)) = reading.poll()? { [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/lib.rs:430:29 [INFO] [stdout] | [INFO] [stdout] 430 | let mut hash = adler32::RollingAdler32::from_buffer(&block.as_ref()[..len]); [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/lib.rs:243:41 [INFO] [stdout] | [INFO] [stdout] 243 | if let Async::Ready((r, mut block, len)) = reading.poll()? { [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/lib.rs:430:29 [INFO] [stdout] | [INFO] [stdout] 430 | let mut hash = adler32::RollingAdler32::from_buffer(&block.as_ref()[..len]); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.67s [INFO] running `Command { std: "docker" "inspect" "3af3e6ac029b8f37ade0376a9aa2a58619808c0753ebe3dfcc48d6caf41e0af7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3af3e6ac029b8f37ade0376a9aa2a58619808c0753ebe3dfcc48d6caf41e0af7", kill_on_drop: false }` [INFO] [stdout] 3af3e6ac029b8f37ade0376a9aa2a58619808c0753ebe3dfcc48d6caf41e0af7