[INFO] fetching crate rustsync 0.2.3... [INFO] testing rustsync-0.2.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate rustsync 0.2.3 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate rustsync 0.2.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded adler32 v1.2.0 [INFO] [stderr] Downloaded byteorder v1.4.3 [INFO] [stderr] Downloaded parking_lot_core v0.6.2 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded nodrop v0.1.14 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded crossbeam-queue v0.2.3 [INFO] [stderr] Downloaded futures v0.1.31 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded tokio-fs v0.1.7 [INFO] [stderr] Downloaded tokio-tcp v0.1.4 [INFO] [stderr] Downloaded parking_lot v0.9.0 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded blake2-rfc v0.2.18 [INFO] [stderr] Downloaded tokio-timer v0.2.13 [INFO] [stderr] Downloaded rand v0.4.6 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded tokio-core v0.1.18 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded tokio-reactor v0.1.12 [INFO] [stderr] Downloaded tokio-current-thread v0.1.7 [INFO] [stderr] Downloaded constant_time_eq v0.1.5 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded arrayvec v0.4.12 [INFO] [stderr] Downloaded tokio-threadpool v0.1.18 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded smallvec v0.6.14 [INFO] [stderr] Downloaded scoped-tls v0.1.2 [INFO] [stderr] Downloaded tokio-executor v0.1.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38f009359e7fcc1ceb45bfac735d31101cd9b169db19079a1fa7e8ea34251451 [INFO] running `Command { std: "docker" "start" "-a" "38f009359e7fcc1ceb45bfac735d31101cd9b169db19079a1fa7e8ea34251451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38f009359e7fcc1ceb45bfac735d31101cd9b169db19079a1fa7e8ea34251451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38f009359e7fcc1ceb45bfac735d31101cd9b169db19079a1fa7e8ea34251451", kill_on_drop: false }` [INFO] [stdout] 38f009359e7fcc1ceb45bfac735d31101cd9b169db19079a1fa7e8ea34251451 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5642139d83b50e52c9ee69397af39d84b896f54139c9de03f6be908812f7b7c4 [INFO] running `Command { std: "docker" "start" "-a" "5642139d83b50e52c9ee69397af39d84b896f54139c9de03f6be908812f7b7c4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling blake2-rfc v0.2.18 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.26s [INFO] running `Command { std: "docker" "inspect" "5642139d83b50e52c9ee69397af39d84b896f54139c9de03f6be908812f7b7c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5642139d83b50e52c9ee69397af39d84b896f54139c9de03f6be908812f7b7c4", kill_on_drop: false }` [INFO] [stdout] 5642139d83b50e52c9ee69397af39d84b896f54139c9de03f6be908812f7b7c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a24dc0f1711a16666d2ea0a445dca1fe2d835cc782403626c6ec55c029fcf448 [INFO] running `Command { std: "docker" "start" "-a" "a24dc0f1711a16666d2ea0a445dca1fe2d835cc782403626c6ec55c029fcf448", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling tokio-codec v0.1.2 [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] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 9.93s [INFO] running `Command { std: "docker" "inspect" "a24dc0f1711a16666d2ea0a445dca1fe2d835cc782403626c6ec55c029fcf448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a24dc0f1711a16666d2ea0a445dca1fe2d835cc782403626c6ec55c029fcf448", kill_on_drop: false }` [INFO] [stdout] a24dc0f1711a16666d2ea0a445dca1fe2d835cc782403626c6ec55c029fcf448 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f0192bae5d8fef32365669c6d3ef26c176ab28b4115616171fea36c5eb937a28 [INFO] running `Command { std: "docker" "start" "-a" "f0192bae5d8fef32365669c6d3ef26c176ab28b4115616171fea36c5eb937a28", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:243:41 [INFO] [stderr] | [INFO] [stderr] 243 | if let Async::Ready((r, mut block, len)) = reading.poll()? { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:430:29 [INFO] [stderr] | [INFO] [stderr] 430 | let mut hash = adler32::RollingAdler32::from_buffer(&block.as_ref()[..len]); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:243:41 [INFO] [stderr] | [INFO] [stderr] 243 | if let Async::Ready((r, mut block, len)) = reading.poll()? { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:430:29 [INFO] [stderr] | [INFO] [stderr] 430 | let mut hash = adler32::RollingAdler32::from_buffer(&block.as_ref()[..len]); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustsync-c97337ab923ea68f) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::basic ... ok [INFO] [stdout] test tests::futures ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] Doc-tests rustsync [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 4) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f0192bae5d8fef32365669c6d3ef26c176ab28b4115616171fea36c5eb937a28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0192bae5d8fef32365669c6d3ef26c176ab28b4115616171fea36c5eb937a28", kill_on_drop: false }` [INFO] [stdout] f0192bae5d8fef32365669c6d3ef26c176ab28b4115616171fea36c5eb937a28