[INFO] cloning repository https://github.com/mycognosist/mbus_read [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mycognosist/mbus_read" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cef4d58f7e2bdff35ae8bafecd22a77b4f744a7d [INFO] checking mycognosist/mbus_read against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mycognosist/mbus_read 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/mycognosist/mbus_read [INFO] finished tweaking git repo https://github.com/mycognosist/mbus_read [INFO] tweaked toml for git repo https://github.com/mycognosist/mbus_read written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mycognosist/mbus_read 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 tokio-executor v0.1.2 [INFO] [stderr] Downloaded bytes v0.4.8 [INFO] [stderr] Downloaded tokio-io v0.1.7 [INFO] [stderr] Downloaded advapi32-sys v0.2.0 [INFO] [stderr] Downloaded ktmw32-sys v0.1.1 [INFO] [stderr] Downloaded tokio-timer v0.2.4 [INFO] [stderr] Downloaded tokio-reactor v0.1.2 [INFO] [stderr] Downloaded log v0.4.2 [INFO] [stderr] Downloaded winreg v0.4.0 [INFO] [stderr] Downloaded tokio-fs v0.1.1 [INFO] [stderr] Downloaded lazy_static v1.0.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.4 [INFO] [stderr] Downloaded tokio v0.1.7 [INFO] [stderr] Downloaded futures v0.1.21 [INFO] [stderr] Downloaded tokio-udp v0.1.1 [INFO] [stderr] Downloaded tokio-tcp v0.1.0 [INFO] [stderr] Downloaded crossbeam-deque v0.3.1 [INFO] [stderr] Downloaded tokio-serial v0.6.0 [INFO] [stderr] Downloaded mio-serial v0.6.0 [INFO] [stderr] Downloaded tokio-modbus v0.2.1 [INFO] [stderr] Downloaded serialport v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ebaf7f8ebb4e0f041a13fbc5f53fc3d48d8551ddb10766e547a7b662a2669b41 [INFO] running `Command { std: "docker" "start" "-a" "ebaf7f8ebb4e0f041a13fbc5f53fc3d48d8551ddb10766e547a7b662a2669b41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebaf7f8ebb4e0f041a13fbc5f53fc3d48d8551ddb10766e547a7b662a2669b41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebaf7f8ebb4e0f041a13fbc5f53fc3d48d8551ddb10766e547a7b662a2669b41", kill_on_drop: false }` [INFO] [stdout] ebaf7f8ebb4e0f041a13fbc5f53fc3d48d8551ddb10766e547a7b662a2669b41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 65e53336b0b72d98ee77bf3172b44ac183085802522a1924c142f27927bf1397 [INFO] running `Command { std: "docker" "start" "-a" "65e53336b0b72d98ee77bf3172b44ac183085802522a1924c142f27927bf1397", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking log v0.4.2 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking serialport v1.0.1 [INFO] [stderr] Checking tokio-threadpool v0.1.4 [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking mio-serial v0.6.0 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-serial v0.6.0 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-modbus v0.2.1 [INFO] [stderr] Checking mbus_read v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s [INFO] running `Command { std: "docker" "inspect" "65e53336b0b72d98ee77bf3172b44ac183085802522a1924c142f27927bf1397", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65e53336b0b72d98ee77bf3172b44ac183085802522a1924c142f27927bf1397", kill_on_drop: false }` [INFO] [stdout] 65e53336b0b72d98ee77bf3172b44ac183085802522a1924c142f27927bf1397 [INFO] checking mycognosist/mbus_read against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mycognosist/mbus_read 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/mycognosist/mbus_read [INFO] finished tweaking git repo https://github.com/mycognosist/mbus_read [INFO] tweaked toml for git repo https://github.com/mycognosist/mbus_read written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mycognosist/mbus_read 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 11e93c8d34f364b02c1a3068e2c4edd35f2e036c2135cfc814db350bdc60c772 [INFO] running `Command { std: "docker" "start" "-a" "11e93c8d34f364b02c1a3068e2c4edd35f2e036c2135cfc814db350bdc60c772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11e93c8d34f364b02c1a3068e2c4edd35f2e036c2135cfc814db350bdc60c772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11e93c8d34f364b02c1a3068e2c4edd35f2e036c2135cfc814db350bdc60c772", kill_on_drop: false }` [INFO] [stdout] 11e93c8d34f364b02c1a3068e2c4edd35f2e036c2135cfc814db350bdc60c772 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 841d17d10d3b7bb97cd1cd2f1b8a49042ae0a129a1ac8afaf6f2bbfd0a1836ca [INFO] running `Command { std: "docker" "start" "-a" "841d17d10d3b7bb97cd1cd2f1b8a49042ae0a129a1ac8afaf6f2bbfd0a1836ca", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking log v0.4.2 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking serialport v1.0.1 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-threadpool v0.1.4 [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking mio-serial v0.6.0 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-serial v0.6.0 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-modbus v0.2.1 [INFO] [stderr] Checking mbus_read v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.82s [INFO] running `Command { std: "docker" "inspect" "841d17d10d3b7bb97cd1cd2f1b8a49042ae0a129a1ac8afaf6f2bbfd0a1836ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "841d17d10d3b7bb97cd1cd2f1b8a49042ae0a129a1ac8afaf6f2bbfd0a1836ca", kill_on_drop: false }` [INFO] [stdout] 841d17d10d3b7bb97cd1cd2f1b8a49042ae0a129a1ac8afaf6f2bbfd0a1836ca