[INFO] fetching crate herkulex_communicator 0.2.7... [INFO] checking herkulex_communicator-0.2.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate herkulex_communicator 0.2.7 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate herkulex_communicator 0.2.7 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 herkulex_communicator 0.2.7 [INFO] finished tweaking crates.io crate herkulex_communicator 0.2.7 [INFO] tweaked toml for crates.io crate herkulex_communicator 0.2.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate herkulex_communicator 0.2.7 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 IOKit-sys v0.1.5 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded cc v1.0.66 [INFO] [stderr] Downloaded wasmer_enumset_derive v0.5.0 [INFO] [stderr] Downloaded redox_termios v0.1.2 [INFO] [stderr] Downloaded array-macro v1.0.5 [INFO] [stderr] Downloaded enum-map-derive v0.4.6 [INFO] [stderr] Downloaded wasmer_enumset v1.0.1 [INFO] [stderr] Downloaded drs-0x01 v0.3.0 [INFO] [stderr] Downloaded num v0.3.1 [INFO] [stderr] Downloaded wasi v0.10.1+wasi-snapshot-preview1 [INFO] [stderr] Downloaded crossbeam-channel v0.5.0 [INFO] [stderr] Downloaded cursive_core v0.2.2 [INFO] [stderr] Downloaded libc v0.2.82 [INFO] [stderr] Downloaded signal-hook v0.3.4 [INFO] [stderr] Downloaded cursive v0.16.3 [INFO] [stderr] Downloaded ahash v0.6.3 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded enum-map v0.6.4 [INFO] [stderr] Downloaded owning_ref v0.4.1 [INFO] [stderr] Downloaded log v0.4.13 [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] [stderr] Downloaded termion v1.5.5 [INFO] [stderr] Downloaded serialport v3.3.0 [INFO] [stderr] Downloaded redox_syscall v0.2.4 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d9b32c04fc2837e5075c2aa41677228de71a98b9031440c3b2735bbbde5a92f3 [INFO] running `Command { std: "docker" "start" "-a" "d9b32c04fc2837e5075c2aa41677228de71a98b9031440c3b2735bbbde5a92f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9b32c04fc2837e5075c2aa41677228de71a98b9031440c3b2735bbbde5a92f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9b32c04fc2837e5075c2aa41677228de71a98b9031440c3b2735bbbde5a92f3", kill_on_drop: false }` [INFO] [stdout] d9b32c04fc2837e5075c2aa41677228de71a98b9031440c3b2735bbbde5a92f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0d57310ff52f4077b22b55b4d5ce1d37e31d6fad43651f7ce164db81eab1fb74 [INFO] running `Command { std: "docker" "start" "-a" "0d57310ff52f4077b22b55b4d5ce1d37e31d6fad43651f7ce164db81eab1fb74", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling ahash v0.6.3 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking array-macro v1.0.5 [INFO] [stderr] Compiling signal-hook v0.3.4 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking xi-unicode v0.3.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking drs-0x01 v0.3.0 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling enum-map-derive v0.4.6 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking enum-map v0.6.4 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling wasmer_enumset_derive v0.5.0 [INFO] [stderr] Checking wasmer_enumset v1.0.1 [INFO] [stderr] Checking cursive_core v0.2.2 [INFO] [stderr] Checking cursive v0.16.3 [INFO] [stderr] Checking herkulex_communicator v0.2.7 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.34s [INFO] running `Command { std: "docker" "inspect" "0d57310ff52f4077b22b55b4d5ce1d37e31d6fad43651f7ce164db81eab1fb74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d57310ff52f4077b22b55b4d5ce1d37e31d6fad43651f7ce164db81eab1fb74", kill_on_drop: false }` [INFO] [stdout] 0d57310ff52f4077b22b55b4d5ce1d37e31d6fad43651f7ce164db81eab1fb74 [INFO] checking herkulex_communicator-0.2.7 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate herkulex_communicator 0.2.7 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate herkulex_communicator 0.2.7 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 crates.io crate herkulex_communicator 0.2.7 [INFO] finished tweaking crates.io crate herkulex_communicator 0.2.7 [INFO] tweaked toml for crates.io crate herkulex_communicator 0.2.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate herkulex_communicator 0.2.7 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e0266e44d116d856b60e2f526ae5e0bb21bf2d7ff331a695dae7a3c2e5a0f3a9 [INFO] running `Command { std: "docker" "start" "-a" "e0266e44d116d856b60e2f526ae5e0bb21bf2d7ff331a695dae7a3c2e5a0f3a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0266e44d116d856b60e2f526ae5e0bb21bf2d7ff331a695dae7a3c2e5a0f3a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0266e44d116d856b60e2f526ae5e0bb21bf2d7ff331a695dae7a3c2e5a0f3a9", kill_on_drop: false }` [INFO] [stdout] e0266e44d116d856b60e2f526ae5e0bb21bf2d7ff331a695dae7a3c2e5a0f3a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 51d749a661703335f2c2c1b62e75974e18b7e2eff75abbd51495c92c15fca321 [INFO] running `Command { std: "docker" "start" "-a" "51d749a661703335f2c2c1b62e75974e18b7e2eff75abbd51495c92c15fca321", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling ahash v0.6.3 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling signal-hook v0.3.4 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking array-macro v1.0.5 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking xi-unicode v0.3.0 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking drs-0x01 v0.3.0 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling enum-map-derive v0.4.6 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking enum-map v0.6.4 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling wasmer_enumset_derive v0.5.0 [INFO] [stderr] Checking wasmer_enumset v1.0.1 [INFO] [stderr] Checking cursive_core v0.2.2 [INFO] [stderr] Checking cursive v0.16.3 [INFO] [stderr] Checking herkulex_communicator v0.2.7 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.80s [INFO] running `Command { std: "docker" "inspect" "51d749a661703335f2c2c1b62e75974e18b7e2eff75abbd51495c92c15fca321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d749a661703335f2c2c1b62e75974e18b7e2eff75abbd51495c92c15fca321", kill_on_drop: false }` [INFO] [stdout] 51d749a661703335f2c2c1b62e75974e18b7e2eff75abbd51495c92c15fca321