[INFO] cloning repository https://github.com/iandoesallthethings/ronome [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iandoesallthethings/ronome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiandoesallthethings%2Fronome", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiandoesallthethings%2Fronome'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40afba63f7512b755f05dfe9670b453426592139 [INFO] checking iandoesallthethings/ronome against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiandoesallthethings%2Fronome" "/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/iandoesallthethings/ronome 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/iandoesallthethings/ronome [INFO] finished tweaking git repo https://github.com/iandoesallthethings/ronome [INFO] tweaked toml for git repo https://github.com/iandoesallthethings/ronome written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iandoesallthethings/ronome 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded midir v0.9.1 [INFO] [stderr] Downloaded coremidi-sys v3.1.0 [INFO] [stderr] Downloaded rosc v0.4.3 [INFO] [stderr] Downloaded monome-rs v1.1.3 [INFO] [stderr] Downloaded coremidi v0.6.0 [INFO] [stderr] Downloaded midi-control v0.2.2 [INFO] [stderr] Downloaded alsa v0.7.0 [INFO] [stderr] Downloaded windows v0.43.0 [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] fe00e61672fc1d752da7120e6681eb0513d79f3c2bdde3c19047eecf820a0c73 [INFO] running `Command { std: "docker" "start" "-a" "fe00e61672fc1d752da7120e6681eb0513d79f3c2bdde3c19047eecf820a0c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe00e61672fc1d752da7120e6681eb0513d79f3c2bdde3c19047eecf820a0c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe00e61672fc1d752da7120e6681eb0513d79f3c2bdde3c19047eecf820a0c73", kill_on_drop: false }` [INFO] [stdout] fe00e61672fc1d752da7120e6681eb0513d79f3c2bdde3c19047eecf820a0c73 [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] 12dd448f7f1b5987684af3febb6559d587f427e9c7ec080f3ec5a64ab5aef09d [INFO] running `Command { std: "docker" "start" "-a" "12dd448f7f1b5987684af3febb6559d587f427e9c7ec080f3ec5a64ab5aef09d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking rosc v0.4.3 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking crossbeam-epoch v0.9.15 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking alsa v0.7.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking midir v0.9.1 [INFO] [stderr] Checking monome-rs v1.1.3 [INFO] [stderr] Checking midi-control v0.2.2 [INFO] [stderr] Checking ronome v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.29s [INFO] running `Command { std: "docker" "inspect" "12dd448f7f1b5987684af3febb6559d587f427e9c7ec080f3ec5a64ab5aef09d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12dd448f7f1b5987684af3febb6559d587f427e9c7ec080f3ec5a64ab5aef09d", kill_on_drop: false }` [INFO] [stdout] 12dd448f7f1b5987684af3febb6559d587f427e9c7ec080f3ec5a64ab5aef09d [INFO] checking iandoesallthethings/ronome against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiandoesallthethings%2Fronome" "/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/iandoesallthethings/ronome on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iandoesallthethings/ronome [INFO] finished tweaking git repo https://github.com/iandoesallthethings/ronome [INFO] tweaked toml for git repo https://github.com/iandoesallthethings/ronome written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iandoesallthethings/ronome 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 347b88f452cba9c806eb181339acec1b66114f7481af1a6fc990b0160f66a46f [INFO] running `Command { std: "docker" "start" "-a" "347b88f452cba9c806eb181339acec1b66114f7481af1a6fc990b0160f66a46f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "347b88f452cba9c806eb181339acec1b66114f7481af1a6fc990b0160f66a46f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "347b88f452cba9c806eb181339acec1b66114f7481af1a6fc990b0160f66a46f", kill_on_drop: false }` [INFO] [stdout] 347b88f452cba9c806eb181339acec1b66114f7481af1a6fc990b0160f66a46f [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9da7963f8f4bf44004e1e60725d20c8b5c70f7d33e37e262acd563385dca0a4b [INFO] running `Command { std: "docker" "start" "-a" "9da7963f8f4bf44004e1e60725d20c8b5c70f7d33e37e262acd563385dca0a4b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking rosc v0.4.3 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.15 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking alsa v0.7.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking midir v0.9.1 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking midi-control v0.2.2 [INFO] [stderr] Checking monome-rs v1.1.3 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking ronome v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.54s [INFO] running `Command { std: "docker" "inspect" "9da7963f8f4bf44004e1e60725d20c8b5c70f7d33e37e262acd563385dca0a4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9da7963f8f4bf44004e1e60725d20c8b5c70f7d33e37e262acd563385dca0a4b", kill_on_drop: false }` [INFO] [stdout] 9da7963f8f4bf44004e1e60725d20c8b5c70f7d33e37e262acd563385dca0a4b