[INFO] fetching crate std-embedded-nal-async 0.1.0... [INFO] checking std-embedded-nal-async-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate std-embedded-nal-async 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate std-embedded-nal-async 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate std-embedded-nal-async 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate std-embedded-nal-async 0.1.0 [INFO] tweaked toml for crates.io crate std-embedded-nal-async 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate std-embedded-nal-async 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embedded-nal v0.7.0 [INFO] [stderr] Downloaded embedded-nal-async v0.6.0 [INFO] [stderr] Downloaded dns-lookup v2.0.4 [INFO] [stderr] Downloaded embedded-io-async v0.6.0 [INFO] [stderr] Downloaded embedded-io v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70209d25991d9ec204c6916b92402498281e76e7f078b61985f97c27629c8394 [INFO] running `Command { std: "docker" "start" "-a" "70209d25991d9ec204c6916b92402498281e76e7f078b61985f97c27629c8394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70209d25991d9ec204c6916b92402498281e76e7f078b61985f97c27629c8394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70209d25991d9ec204c6916b92402498281e76e7f078b61985f97c27629c8394", kill_on_drop: false }` [INFO] [stdout] 70209d25991d9ec204c6916b92402498281e76e7f078b61985f97c27629c8394 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdee6d6ccdd3ad8aa43c631efacade884744d671dd814614d35c20fefab9a1c4 [INFO] running `Command { std: "docker" "start" "-a" "bdee6d6ccdd3ad8aa43c631efacade884744d671dd814614d35c20fefab9a1c4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking value-bag v1.4.2 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling rustix v0.37.26 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking async-task v4.5.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking embedded-io-async v0.6.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Compiling heapless v0.7.16 [INFO] [stderr] Checking async-executor v1.6.0 [INFO] [stderr] Checking blocking v1.4.1 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking embedded-nal v0.7.0 [INFO] [stderr] Checking dns-lookup v2.0.4 [INFO] [stderr] Checking embedded-nal-async v0.6.0 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking std-embedded-nal-async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tcp_echo.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | fn run_server(mut servsock: std::net::TcpListener) { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.47s [INFO] running `Command { std: "docker" "inspect" "bdee6d6ccdd3ad8aa43c631efacade884744d671dd814614d35c20fefab9a1c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdee6d6ccdd3ad8aa43c631efacade884744d671dd814614d35c20fefab9a1c4", kill_on_drop: false }` [INFO] [stdout] bdee6d6ccdd3ad8aa43c631efacade884744d671dd814614d35c20fefab9a1c4 [INFO] checking std-embedded-nal-async-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate std-embedded-nal-async 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate std-embedded-nal-async 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate std-embedded-nal-async 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate std-embedded-nal-async 0.1.0 [INFO] tweaked toml for crates.io crate std-embedded-nal-async 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate std-embedded-nal-async 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3bd26a9879fcdd1fa2bed0a7d8295dc8fb2e790082240dfe124507106ad7a6ef [INFO] running `Command { std: "docker" "start" "-a" "3bd26a9879fcdd1fa2bed0a7d8295dc8fb2e790082240dfe124507106ad7a6ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bd26a9879fcdd1fa2bed0a7d8295dc8fb2e790082240dfe124507106ad7a6ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bd26a9879fcdd1fa2bed0a7d8295dc8fb2e790082240dfe124507106ad7a6ef", kill_on_drop: false }` [INFO] [stdout] 3bd26a9879fcdd1fa2bed0a7d8295dc8fb2e790082240dfe124507106ad7a6ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 165d319dbfde34dbb540a00d122d401689520edfba260ba001fb39f2ca00f066 [INFO] running `Command { std: "docker" "start" "-a" "165d319dbfde34dbb540a00d122d401689520edfba260ba001fb39f2ca00f066", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking value-bag v1.4.2 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.26 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking async-task v4.5.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking embedded-io-async v0.6.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Compiling heapless v0.7.16 [INFO] [stderr] Checking blocking v1.4.1 [INFO] [stderr] Checking async-executor v1.6.0 [INFO] [stderr] Checking embedded-nal v0.7.0 [INFO] [stderr] Checking embedded-nal-async v0.6.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking dns-lookup v2.0.4 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking std-embedded-nal-async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tcp_echo.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | fn run_server(mut servsock: std::net::TcpListener) { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s [INFO] running `Command { std: "docker" "inspect" "165d319dbfde34dbb540a00d122d401689520edfba260ba001fb39f2ca00f066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "165d319dbfde34dbb540a00d122d401689520edfba260ba001fb39f2ca00f066", kill_on_drop: false }` [INFO] [stdout] 165d319dbfde34dbb540a00d122d401689520edfba260ba001fb39f2ca00f066