[INFO] fetching crate ardop_interface 0.4.0... [INFO] checking ardop_interface-0.4.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035 [INFO] extracting crate ardop_interface 0.4.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate ardop_interface 0.4.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-global-executor v1.4.3 [INFO] [stderr] Downloaded async-process v1.0.1 [INFO] [stderr] Downloaded async-executor v1.4.0 [INFO] [stderr] Downloaded nb-connect v1.0.2 [INFO] [stderr] Downloaded polling v2.0.2 [INFO] [stderr] Downloaded wepoll-sys v3.0.1 [INFO] [stderr] Downloaded async-io v1.3.1 [INFO] [stderr] Downloaded futures_codec v0.3.4 [INFO] [stderr] Downloaded vec-arena v1.0.0 [INFO] [stderr] Downloaded async-std v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2554f20b1108bf9f9429f45d51a3082a70f1439a0350ede5670adfccf93146a [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" "a2554f20b1108bf9f9429f45d51a3082a70f1439a0350ede5670adfccf93146a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2554f20b1108bf9f9429f45d51a3082a70f1439a0350ede5670adfccf93146a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2554f20b1108bf9f9429f45d51a3082a70f1439a0350ede5670adfccf93146a", kill_on_drop: false }` [INFO] [stdout] a2554f20b1108bf9f9429f45d51a3082a70f1439a0350ede5670adfccf93146a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3923e9c6e09eadde57c85af0fd782d2d0fc90c8e342cf4e54d3efda89cf248d [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" "d3923e9c6e09eadde57c85af0fd782d2d0fc90c8e342cf4e54d3efda89cf248d", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking enum_derive v0.1.7 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Compiling num-traits v0.2.14 [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 thread_local v1.0.1 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking async-process v1.0.1 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking async-std v1.8.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [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: 2 warnings emitted [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.01s [INFO] running `Command { std: "docker" "inspect" "d3923e9c6e09eadde57c85af0fd782d2d0fc90c8e342cf4e54d3efda89cf248d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3923e9c6e09eadde57c85af0fd782d2d0fc90c8e342cf4e54d3efda89cf248d", kill_on_drop: false }` [INFO] [stdout] d3923e9c6e09eadde57c85af0fd782d2d0fc90c8e342cf4e54d3efda89cf248d