[INFO] fetching crate ardop_interface 0.4.0... [INFO] checking ardop_interface-0.4.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate ardop_interface 0.4.0 into /workspace/builds/worker-39/source [INFO] validating manifest of crates.io crate ardop_interface 0.4.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ardop_interface 0.4.0 [INFO] finished tweaking crates.io crate ardop_interface 0.4.0 [INFO] tweaked toml for crates.io crate ardop_interface 0.4.0 written to /workspace/builds/worker-39/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 futures_codec v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea75cd5cc292a5c300c02201fe83dfd4323b3fed84ff6ec9cdcdf8399ecc84f9 [INFO] running `Command { std: "docker" "start" "-a" "ea75cd5cc292a5c300c02201fe83dfd4323b3fed84ff6ec9cdcdf8399ecc84f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea75cd5cc292a5c300c02201fe83dfd4323b3fed84ff6ec9cdcdf8399ecc84f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea75cd5cc292a5c300c02201fe83dfd4323b3fed84ff6ec9cdcdf8399ecc84f9", kill_on_drop: false }` [INFO] [stdout] ea75cd5cc292a5c300c02201fe83dfd4323b3fed84ff6ec9cdcdf8399ecc84f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28077b12310ac68c65046b152182a5a3bcb986117b908caf1909d9c5575d7849 [INFO] running `Command { std: "docker" "start" "-a" "28077b12310ac68c65046b152182a5a3bcb986117b908caf1909d9c5575d7849", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Checking futures-io v0.3.18 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking fastrand v1.5.0 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Checking futures-sink v0.3.18 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling signal-hook v0.3.10 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking enum_derive v0.1.7 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking blocking v1.1.0 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling ctor v0.1.21 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Checking polling v2.2.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-process v1.3.0 [INFO] [stderr] Checking pin-project v0.4.28 [INFO] [stderr] Checking async-std v1.10.0 [INFO] [stderr] Checking futures-executor v0.3.18 [INFO] [stderr] Checking futures v0.3.18 [INFO] [stderr] Checking futures_codec v0.3.4 [INFO] [stderr] Checking ardop_interface v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tncio/controlstream.rs:220:19 [INFO] [stdout] | [INFO] [stdout] 220 | fn poll_ready(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> 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/tncio/controlstream.rs:247:19 [INFO] [stdout] | [INFO] [stdout] 247 | fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll> { [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/tncio/controlstream.rs:220:19 [INFO] [stdout] | [INFO] [stdout] 220 | fn poll_ready(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> 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/tncio/controlstream.rs:247:19 [INFO] [stdout] | [INFO] [stdout] 247 | fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll> { [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 44.92s [INFO] running `Command { std: "docker" "inspect" "28077b12310ac68c65046b152182a5a3bcb986117b908caf1909d9c5575d7849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28077b12310ac68c65046b152182a5a3bcb986117b908caf1909d9c5575d7849", kill_on_drop: false }` [INFO] [stdout] 28077b12310ac68c65046b152182a5a3bcb986117b908caf1909d9c5575d7849