[INFO] fetching crate rustsync 0.2.3... [INFO] testing rustsync-0.2.3 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate rustsync 0.2.3 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate rustsync 0.2.3 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3045194ab0a34ac5b6190550119b0e3efe3e885db18f42ac2b8caf8325c1f5e [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" "a3045194ab0a34ac5b6190550119b0e3efe3e885db18f42ac2b8caf8325c1f5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3045194ab0a34ac5b6190550119b0e3efe3e885db18f42ac2b8caf8325c1f5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3045194ab0a34ac5b6190550119b0e3efe3e885db18f42ac2b8caf8325c1f5e", kill_on_drop: false }` [INFO] [stdout] a3045194ab0a34ac5b6190550119b0e3efe3e885db18f42ac2b8caf8325c1f5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d9fc6eff7924646ba01f1835ec7030ccbe4370205f7a9433c7ef091b809bc06 [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" "9d9fc6eff7924646ba01f1835ec7030ccbe4370205f7a9433c7ef091b809bc06", kill_on_drop: false }` [INFO] [stderr] Compiling blake2-rfc v0.2.18 [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 dev [unoptimized + debuginfo] target(s) in 2.38s [INFO] running `Command { std: "docker" "inspect" "9d9fc6eff7924646ba01f1835ec7030ccbe4370205f7a9433c7ef091b809bc06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d9fc6eff7924646ba01f1835ec7030ccbe4370205f7a9433c7ef091b809bc06", kill_on_drop: false }` [INFO] [stdout] 9d9fc6eff7924646ba01f1835ec7030ccbe4370205f7a9433c7ef091b809bc06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02713b6b4e801a316ff14029d23ccd150c76f905ff5b06eec8412aa81e5e3e88 [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" "02713b6b4e801a316ff14029d23ccd150c76f905ff5b06eec8412aa81e5e3e88", kill_on_drop: false }` [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] [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 7.25s [INFO] running `Command { std: "docker" "inspect" "02713b6b4e801a316ff14029d23ccd150c76f905ff5b06eec8412aa81e5e3e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02713b6b4e801a316ff14029d23ccd150c76f905ff5b06eec8412aa81e5e3e88", kill_on_drop: false }` [INFO] [stdout] 02713b6b4e801a316ff14029d23ccd150c76f905ff5b06eec8412aa81e5e3e88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 186860a9a8a5cc839b23dcdf53c1217d3f838dd6dde4ac3415266fcda896b528 [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" "186860a9a8a5cc839b23dcdf53c1217d3f838dd6dde4ac3415266fcda896b528", 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 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rustsync-c24a62fd1f496fda [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; finished in 0.02s [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 0.94s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "186860a9a8a5cc839b23dcdf53c1217d3f838dd6dde4ac3415266fcda896b528", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "186860a9a8a5cc839b23dcdf53c1217d3f838dd6dde4ac3415266fcda896b528", kill_on_drop: false }` [INFO] [stdout] 186860a9a8a5cc839b23dcdf53c1217d3f838dd6dde4ac3415266fcda896b528