[INFO] fetching crate rustsync 0.2.3... [INFO] testing rustsync-0.2.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate rustsync 0.2.3 into /workspace/builds/worker-28/source [INFO] validating manifest of crates.io crate rustsync 0.2.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-28/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 742c1f2f197e68f2fced11d1f132db72f8895e5733aa1a002398c51117ca7771 [INFO] running `Command { std: "docker" "start" "-a" "742c1f2f197e68f2fced11d1f132db72f8895e5733aa1a002398c51117ca7771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "742c1f2f197e68f2fced11d1f132db72f8895e5733aa1a002398c51117ca7771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "742c1f2f197e68f2fced11d1f132db72f8895e5733aa1a002398c51117ca7771", kill_on_drop: false }` [INFO] [stdout] 742c1f2f197e68f2fced11d1f132db72f8895e5733aa1a002398c51117ca7771 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b58b86ad781c1a89268b0407f3c03ae813a16dc01a3ead8651a8457608b784ee [INFO] running `Command { std: "docker" "start" "-a" "b58b86ad781c1a89268b0407f3c03ae813a16dc01a3ead8651a8457608b784ee", 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] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling blake2-rfc v0.2.18 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [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 15.09s [INFO] running `Command { std: "docker" "inspect" "b58b86ad781c1a89268b0407f3c03ae813a16dc01a3ead8651a8457608b784ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b58b86ad781c1a89268b0407f3c03ae813a16dc01a3ead8651a8457608b784ee", kill_on_drop: false }` [INFO] [stdout] b58b86ad781c1a89268b0407f3c03ae813a16dc01a3ead8651a8457608b784ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d7b6fcbec76e58c65e782317e175c449cff5b7a252850cc8b11a25eecb16e27 [INFO] running `Command { std: "docker" "start" "-a" "9d7b6fcbec76e58c65e782317e175c449cff5b7a252850cc8b11a25eecb16e27", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling scoped-tls v0.1.2 [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 lock_api v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [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 parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [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 v0.7.4 [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 9.39s [INFO] running `Command { std: "docker" "inspect" "9d7b6fcbec76e58c65e782317e175c449cff5b7a252850cc8b11a25eecb16e27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d7b6fcbec76e58c65e782317e175c449cff5b7a252850cc8b11a25eecb16e27", kill_on_drop: false }` [INFO] [stdout] 9d7b6fcbec76e58c65e782317e175c449cff5b7a252850cc8b11a25eecb16e27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 058d6f7c44dcfd67f968f7db2d45557c0f9cfe6775112e111308cdd2b428fbbf [INFO] running `Command { std: "docker" "start" "-a" "058d6f7c44dcfd67f968f7db2d45557c0f9cfe6775112e111308cdd2b428fbbf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: `rustsync` (lib) generated 2 warnings [INFO] [stderr] warning: `rustsync` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustsync-cbe1e113a3a76b84) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::basic ... ok [INFO] [stderr] Doc-tests rustsync [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 0.21s [INFO] [stdout] [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 1.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "058d6f7c44dcfd67f968f7db2d45557c0f9cfe6775112e111308cdd2b428fbbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "058d6f7c44dcfd67f968f7db2d45557c0f9cfe6775112e111308cdd2b428fbbf", kill_on_drop: false }` [INFO] [stdout] 058d6f7c44dcfd67f968f7db2d45557c0f9cfe6775112e111308cdd2b428fbbf