[INFO] fetching crate mqtt-channel-client 0.6.0...
[INFO] checking mqtt-channel-client-0.6.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mqtt-channel-client 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mqtt-channel-client 0.6.0 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 mqtt-channel-client 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mqtt-channel-client 0.6.0
[INFO] tweaked toml for crates.io crate mqtt-channel-client 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mqtt-channel-client 0.6.0 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 prometheus-client-derive-encode v0.4.2
[INFO] [stderr]   Downloaded paho-mqtt v0.12.1
[INFO] [stderr]   Downloaded errno v0.3.3
[INFO] [stderr]   Downloaded concurrent-queue v2.2.0
[INFO] [stderr]   Downloaded prometheus-client v0.20.0
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] [stderr]   Downloaded aho-corasick v1.0.5
[INFO] [stderr]   Downloaded rustix v0.38.13
[INFO] [stderr]   Downloaded regex-automata v0.3.8
[INFO] [stderr]   Downloaded regex v1.9.5
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.93
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.7
[INFO] [stderr]   Downloaded paho-mqtt-sys v0.8.1
[INFO] [stderr]   Downloaded openssl-src v300.1.3+3.1.2
[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] 9be6b4d04a58257787a69c9aa848f103e8333a5b9d8eec5d75597ee52b67d544
[INFO] running `Command { std: "docker" "start" "-a" "9be6b4d04a58257787a69c9aa848f103e8333a5b9d8eec5d75597ee52b67d544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be6b4d04a58257787a69c9aa848f103e8333a5b9d8eec5d75597ee52b67d544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be6b4d04a58257787a69c9aa848f103e8333a5b9d8eec5d75597ee52b67d544", kill_on_drop: false }`
[INFO] [stdout] 9be6b4d04a58257787a69c9aa848f103e8333a5b9d8eec5d75597ee52b67d544
[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] 20e3fc7073eed61106acc98f29be192969827cc5f322b16ec4c1203edcee7814
[INFO] running `Command { std: "docker" "start" "-a" "20e3fc7073eed61106acc98f29be192969827cc5f322b16ec4c1203edcee7814", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling paho-mqtt-sys v0.8.1
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking thiserror v1.0.48
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking paho-mqtt v0.12.1
[INFO] [stderr]     Checking mqtt-channel-client v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `Command { std: "docker" "inspect" "20e3fc7073eed61106acc98f29be192969827cc5f322b16ec4c1203edcee7814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e3fc7073eed61106acc98f29be192969827cc5f322b16ec4c1203edcee7814", kill_on_drop: false }`
[INFO] [stdout] 20e3fc7073eed61106acc98f29be192969827cc5f322b16ec4c1203edcee7814
[INFO] checking mqtt-channel-client-0.6.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate mqtt-channel-client 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mqtt-channel-client 0.6.0 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 mqtt-channel-client 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mqtt-channel-client 0.6.0
[INFO] tweaked toml for crates.io crate mqtt-channel-client 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate mqtt-channel-client 0.6.0 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] 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] f97b0f29a510f3be508fc6ba604ca03d91c00ad98aadc4c584e2e8df44b18172
[INFO] running `Command { std: "docker" "start" "-a" "f97b0f29a510f3be508fc6ba604ca03d91c00ad98aadc4c584e2e8df44b18172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f97b0f29a510f3be508fc6ba604ca03d91c00ad98aadc4c584e2e8df44b18172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97b0f29a510f3be508fc6ba604ca03d91c00ad98aadc4c584e2e8df44b18172", kill_on_drop: false }`
[INFO] [stdout] f97b0f29a510f3be508fc6ba604ca03d91c00ad98aadc4c584e2e8df44b18172
[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] 3d8a594d9a592290c92c221ca987ffc84ca0b8ccd25521b05658e9b554554129
[INFO] running `Command { std: "docker" "start" "-a" "3d8a594d9a592290c92c221ca987ffc84ca0b8ccd25521b05658e9b554554129", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling paho-mqtt-sys v0.8.1
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking thiserror v1.0.48
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking paho-mqtt v0.12.1
[INFO] [stderr]     Checking mqtt-channel-client v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.29s
[INFO] running `Command { std: "docker" "inspect" "3d8a594d9a592290c92c221ca987ffc84ca0b8ccd25521b05658e9b554554129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8a594d9a592290c92c221ca987ffc84ca0b8ccd25521b05658e9b554554129", kill_on_drop: false }`
[INFO] [stdout] 3d8a594d9a592290c92c221ca987ffc84ca0b8ccd25521b05658e9b554554129