[INFO] cloning repository https://github.com/graphex/gfx_clock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/graphex/gfx_clock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraphex%2Fgfx_clock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraphex%2Fgfx_clock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 518254d51020eeb2b9a8537dcec93d385f041a52
[INFO] checking graphex/gfx_clock against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraphex%2Fgfx_clock" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/graphex/gfx_clock on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/graphex/gfx_clock
[INFO] finished tweaking git repo https://github.com/graphex/gfx_clock
[INFO] tweaked toml for git repo https://github.com/graphex/gfx_clock written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/graphex/gfx_clock 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easer v0.2.1
[INFO] [stderr]   Downloaded ds18b20 v0.1.1
[INFO] [stderr]   Downloaded one-wire-bus v0.1.1
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded bit-array v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92637b98ec1ef4b5c190602db6311787d9a497a491d90fbf4cee32cfd89471d9
[INFO] running `Command { std: "docker" "start" "-a" "92637b98ec1ef4b5c190602db6311787d9a497a491d90fbf4cee32cfd89471d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92637b98ec1ef4b5c190602db6311787d9a497a491d90fbf4cee32cfd89471d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92637b98ec1ef4b5c190602db6311787d9a497a491d90fbf4cee32cfd89471d9", kill_on_drop: false }`
[INFO] [stdout] 92637b98ec1ef4b5c190602db6311787d9a497a491d90fbf4cee32cfd89471d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d3e343903b2dc7827a74ca03aa607c39904a80e8ffd4c97fac9981bea7d0bb9
[INFO] running `Command { std: "docker" "start" "-a" "7d3e343903b2dc7827a74ca03aa607c39904a80e8ffd4c97fac9981bea7d0bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking one-wire-bus v0.1.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking ds18b20 v0.1.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking easer v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rppal v0.12.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking generic-array v0.3.2
[INFO] [stderr]     Checking bit-array v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking gfx_clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "7d3e343903b2dc7827a74ca03aa607c39904a80e8ffd4c97fac9981bea7d0bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3e343903b2dc7827a74ca03aa607c39904a80e8ffd4c97fac9981bea7d0bb9", kill_on_drop: false }`
[INFO] [stdout] 7d3e343903b2dc7827a74ca03aa607c39904a80e8ffd4c97fac9981bea7d0bb9