[INFO] cloning repository https://github.com/helium/sx13xx-conf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helium/sx13xx-conf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelium%2Fsx13xx-conf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelium%2Fsx13xx-conf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81b365485eac0046b178316c9a727e003c74891c [INFO] checking helium/sx13xx-conf against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelium%2Fsx13xx-conf" "/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/helium/sx13xx-conf 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/helium/sx13xx-conf [INFO] finished tweaking git repo https://github.com/helium/sx13xx-conf [INFO] tweaked toml for git repo https://github.com/helium/sx13xx-conf written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/helium/sx13xx-conf 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 derivative v2.1.3 [INFO] [stderr] Downloaded futures-executor v0.3.12 [INFO] [stderr] Downloaded futures-channel v0.3.12 [INFO] [stderr] Downloaded futures-macro v0.3.12 [INFO] [stderr] Downloaded futures-util v0.3.12 [INFO] [stderr] Downloaded syn v1.0.51 [INFO] [stderr] Downloaded tokio v0.2.24 [INFO] [stderr] Downloaded futures-sink v0.3.12 [INFO] [stderr] Downloaded futures-task v0.3.12 [INFO] [stderr] Downloaded futures v0.3.12 [INFO] [stderr] Downloaded semtech-udp v0.4.1 [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] e5752a1d3e4d845308905a77206163bcfb304afce312cb0b75bd3b0d4e922364 [INFO] running `Command { std: "docker" "start" "-a" "e5752a1d3e4d845308905a77206163bcfb304afce312cb0b75bd3b0d4e922364", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5752a1d3e4d845308905a77206163bcfb304afce312cb0b75bd3b0d4e922364", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5752a1d3e4d845308905a77206163bcfb304afce312cb0b75bd3b0d4e922364", kill_on_drop: false }` [INFO] [stdout] e5752a1d3e4d845308905a77206163bcfb304afce312cb0b75bd3b0d4e922364 [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] 587723c0ef6c5b059887f6d329db212e49fc6b4e3ad5030f265697bbb801b4bc [INFO] running `Command { std: "docker" "start" "-a" "587723c0ef6c5b059887f6d329db212e49fc6b4e3ad5030f265697bbb801b4bc", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling derivative v2.1.3 [INFO] [stderr] Checking tokio v0.2.24 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking regions v0.1.2-alpha.0 (/opt/rustwide/workdir/regions) [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Checking sx13xx-conf v0.1.2-alpha.0 (/opt/rustwide/workdir/sx13xx-conf) [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling num_enum_derive v0.4.3 [INFO] [stderr] Checking num_enum v0.4.3 [INFO] [stderr] Checking semtech-udp v0.4.1 [INFO] [stderr] Checking rf-tester v0.1.2-alpha.0 (/opt/rustwide/workdir/rf-tester) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.60s [INFO] running `Command { std: "docker" "inspect" "587723c0ef6c5b059887f6d329db212e49fc6b4e3ad5030f265697bbb801b4bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "587723c0ef6c5b059887f6d329db212e49fc6b4e3ad5030f265697bbb801b4bc", kill_on_drop: false }` [INFO] [stdout] 587723c0ef6c5b059887f6d329db212e49fc6b4e3ad5030f265697bbb801b4bc [INFO] checking helium/sx13xx-conf against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelium%2Fsx13xx-conf" "/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/helium/sx13xx-conf 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/helium/sx13xx-conf [INFO] finished tweaking git repo https://github.com/helium/sx13xx-conf [INFO] tweaked toml for git repo https://github.com/helium/sx13xx-conf written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/helium/sx13xx-conf 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebf46a2590ccbb61760d485a1058eda78cae888bf628e4cc42f2d2d550690087 [INFO] running `Command { std: "docker" "start" "-a" "ebf46a2590ccbb61760d485a1058eda78cae888bf628e4cc42f2d2d550690087", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebf46a2590ccbb61760d485a1058eda78cae888bf628e4cc42f2d2d550690087", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebf46a2590ccbb61760d485a1058eda78cae888bf628e4cc42f2d2d550690087", kill_on_drop: false }` [INFO] [stdout] ebf46a2590ccbb61760d485a1058eda78cae888bf628e4cc42f2d2d550690087 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 257e3fe540b93e2e2abd5be6b3b1be497efa56e6f53da7b9fea63e4824ff8e41 [INFO] running `Command { std: "docker" "start" "-a" "257e3fe540b93e2e2abd5be6b3b1be497efa56e6f53da7b9fea63e4824ff8e41", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling derivative v2.1.3 [INFO] [stderr] Checking tokio v0.2.24 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking regions v0.1.2-alpha.0 (/opt/rustwide/workdir/regions) [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking sx13xx-conf v0.1.2-alpha.0 (/opt/rustwide/workdir/sx13xx-conf) [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling num_enum_derive v0.4.3 [INFO] [stderr] Checking num_enum v0.4.3 [INFO] [stderr] Checking semtech-udp v0.4.1 [INFO] [stderr] Checking rf-tester v0.1.2-alpha.0 (/opt/rustwide/workdir/rf-tester) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.91s [INFO] running `Command { std: "docker" "inspect" "257e3fe540b93e2e2abd5be6b3b1be497efa56e6f53da7b9fea63e4824ff8e41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "257e3fe540b93e2e2abd5be6b3b1be497efa56e6f53da7b9fea63e4824ff8e41", kill_on_drop: false }` [INFO] [stdout] 257e3fe540b93e2e2abd5be6b3b1be497efa56e6f53da7b9fea63e4824ff8e41