[INFO] cloning repository https://github.com/vladborovtsov/performant-smtp-blackhole [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vladborovtsov/performant-smtp-blackhole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladborovtsov%2Fperformant-smtp-blackhole", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladborovtsov%2Fperformant-smtp-blackhole'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a381da7272de689c572c73b8ebdf759a7cfd704 [INFO] checking vladborovtsov/performant-smtp-blackhole against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladborovtsov%2Fperformant-smtp-blackhole" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vladborovtsov/performant-smtp-blackhole 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 git repo https://github.com/vladborovtsov/performant-smtp-blackhole [INFO] finished tweaking git repo https://github.com/vladborovtsov/performant-smtp-blackhole [INFO] tweaked toml for git repo https://github.com/vladborovtsov/performant-smtp-blackhole written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vladborovtsov/performant-smtp-blackhole 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c6fd45cf463b8d7272ce240ac4fb5f5c6d2ac1ffb38353ba6a641b7cc71d5e3b [INFO] running `Command { std: "docker" "start" "-a" "c6fd45cf463b8d7272ce240ac4fb5f5c6d2ac1ffb38353ba6a641b7cc71d5e3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6fd45cf463b8d7272ce240ac4fb5f5c6d2ac1ffb38353ba6a641b7cc71d5e3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6fd45cf463b8d7272ce240ac4fb5f5c6d2ac1ffb38353ba6a641b7cc71d5e3b", kill_on_drop: false }` [INFO] [stdout] c6fd45cf463b8d7272ce240ac4fb5f5c6d2ac1ffb38353ba6a641b7cc71d5e3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5cd6719f7f661eeb655a335fee50a01284f7816d1c15c19f346d7fa100304d10 [INFO] running `Command { std: "docker" "start" "-a" "5cd6719f7f661eeb655a335fee50a01284f7816d1c15c19f346d7fa100304d10", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking termcolor v1.4.0 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking env_logger v0.10.1 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking performant-smtp-blackhole v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsyncBufReadExt` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::io::{AsyncBufReadExt, AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncBufReadExt` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::io::{AsyncBufReadExt, AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:123:18 [INFO] [stdout] | [INFO] [stdout] 123 | let (result, _index, remaining_futures) = select_all(futures).await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:123:18 [INFO] [stdout] | [INFO] [stdout] 123 | let (result, _index, remaining_futures) = select_all(futures).await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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` profile [unoptimized + debuginfo] target(s) in 8.91s [INFO] running `Command { std: "docker" "inspect" "5cd6719f7f661eeb655a335fee50a01284f7816d1c15c19f346d7fa100304d10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cd6719f7f661eeb655a335fee50a01284f7816d1c15c19f346d7fa100304d10", kill_on_drop: false }` [INFO] [stdout] 5cd6719f7f661eeb655a335fee50a01284f7816d1c15c19f346d7fa100304d10 [INFO] checking vladborovtsov/performant-smtp-blackhole against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladborovtsov%2Fperformant-smtp-blackhole" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vladborovtsov/performant-smtp-blackhole 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 git repo https://github.com/vladborovtsov/performant-smtp-blackhole [INFO] finished tweaking git repo https://github.com/vladborovtsov/performant-smtp-blackhole [INFO] tweaked toml for git repo https://github.com/vladborovtsov/performant-smtp-blackhole written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/vladborovtsov/performant-smtp-blackhole 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 32a997db2316f6d65331915e58cd0e3f4e777ecd38d5d3ba4df9d5ab4d8bdf64 [INFO] running `Command { std: "docker" "start" "-a" "32a997db2316f6d65331915e58cd0e3f4e777ecd38d5d3ba4df9d5ab4d8bdf64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32a997db2316f6d65331915e58cd0e3f4e777ecd38d5d3ba4df9d5ab4d8bdf64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32a997db2316f6d65331915e58cd0e3f4e777ecd38d5d3ba4df9d5ab4d8bdf64", kill_on_drop: false }` [INFO] [stdout] 32a997db2316f6d65331915e58cd0e3f4e777ecd38d5d3ba4df9d5ab4d8bdf64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ee91ffb335eef5f4d987ed95cb1385388ccb6800037d42adde5ac6ff3d1db6a [INFO] running `Command { std: "docker" "start" "-a" "1ee91ffb335eef5f4d987ed95cb1385388ccb6800037d42adde5ac6ff3d1db6a", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking termcolor v1.4.0 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking env_logger v0.10.1 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking performant-smtp-blackhole v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsyncBufReadExt` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::io::{AsyncBufReadExt, AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:123:18 [INFO] [stdout] | [INFO] [stdout] 123 | let (result, _index, remaining_futures) = select_all(futures).await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncBufReadExt` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::io::{AsyncBufReadExt, AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/bin/performant_smtp_blackhole.rs:123:18 [INFO] [stdout] | [INFO] [stdout] 123 | let (result, _index, remaining_futures) = select_all(futures).await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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` profile [unoptimized + debuginfo] target(s) in 12.96s [INFO] running `Command { std: "docker" "inspect" "1ee91ffb335eef5f4d987ed95cb1385388ccb6800037d42adde5ac6ff3d1db6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ee91ffb335eef5f4d987ed95cb1385388ccb6800037d42adde5ac6ff3d1db6a", kill_on_drop: false }` [INFO] [stdout] 1ee91ffb335eef5f4d987ed95cb1385388ccb6800037d42adde5ac6ff3d1db6a