[INFO] crate rustsync 0.2.3 is already in cache [INFO] testing rustsync-0.2.3 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate rustsync 0.2.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate rustsync 0.2.3 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [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-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9168f75f1eda391ab0b3ac6ea1e6d02ae2bb2db74420ff6749fa12909200b7e2 [INFO] running `"docker" "start" "-a" "9168f75f1eda391ab0b3ac6ea1e6d02ae2bb2db74420ff6749fa12909200b7e2"` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling blake2-rfc v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling rustsync v0.2.3 (/opt/rustwide/workdir) [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 dev [unoptimized + debuginfo] target(s) in 35.44s [INFO] running `"docker" "inspect" "9168f75f1eda391ab0b3ac6ea1e6d02ae2bb2db74420ff6749fa12909200b7e2"` [INFO] running `"docker" "rm" "-f" "9168f75f1eda391ab0b3ac6ea1e6d02ae2bb2db74420ff6749fa12909200b7e2"` [INFO] [stdout] 9168f75f1eda391ab0b3ac6ea1e6d02ae2bb2db74420ff6749fa12909200b7e2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 77a0b1a9c39d7a47e50c627cfea716c78f3d280e64e86898ce39269545ffcd32 [INFO] running `"docker" "start" "-a" "77a0b1a9c39d7a47e50c627cfea716c78f3d280e64e86898ce39269545ffcd32"` [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [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] Compiling mio v0.6.21 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.6 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling rustsync v0.2.3 (/opt/rustwide/workdir) [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 22.71s [INFO] running `"docker" "inspect" "77a0b1a9c39d7a47e50c627cfea716c78f3d280e64e86898ce39269545ffcd32"` [INFO] running `"docker" "rm" "-f" "77a0b1a9c39d7a47e50c627cfea716c78f3d280e64e86898ce39269545ffcd32"` [INFO] [stdout] 77a0b1a9c39d7a47e50c627cfea716c78f3d280e64e86898ce39269545ffcd32 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e3934a49299bbf3ae4e17a782ee20b6e91fc7f2d13b55fb727b2eb8e86711c0a [INFO] running `"docker" "start" "-a" "e3934a49299bbf3ae4e17a782ee20b6e91fc7f2d13b55fb727b2eb8e86711c0a"` [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 0.45s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rustsync-522f28d290192c11 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::futures ... ok [INFO] [stdout] test tests::basic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "e3934a49299bbf3ae4e17a782ee20b6e91fc7f2d13b55fb727b2eb8e86711c0a"` [INFO] running `"docker" "rm" "-f" "e3934a49299bbf3ae4e17a782ee20b6e91fc7f2d13b55fb727b2eb8e86711c0a"` [INFO] [stdout] e3934a49299bbf3ae4e17a782ee20b6e91fc7f2d13b55fb727b2eb8e86711c0a