[INFO] cloning repository https://github.com/robguy21/grrm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robguy21/grrm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobguy21%2Fgrrm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobguy21%2Fgrrm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cf1fb958b08a61235f63e1d27f9f9b782595b93
[INFO] checking robguy21/grrm against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobguy21%2Fgrrm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robguy21/grrm 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/robguy21/grrm
[INFO] finished tweaking git repo https://github.com/robguy21/grrm
[INFO] tweaked toml for git repo https://github.com/robguy21/grrm written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/robguy21/grrm 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]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.17
[INFO] [stderr]   Downloaded structopt-derive v0.2.17
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded termion v1.5.2
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1179a165eeea5ab75b2f4972eaf6b9176e9e0641f27cfaced87b08d203dcb3c7
[INFO] running `Command { std: "docker" "start" "-a" "1179a165eeea5ab75b2f4972eaf6b9176e9e0641f27cfaced87b08d203dcb3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1179a165eeea5ab75b2f4972eaf6b9176e9e0641f27cfaced87b08d203dcb3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1179a165eeea5ab75b2f4972eaf6b9176e9e0641f27cfaced87b08d203dcb3c7", kill_on_drop: false }`
[INFO] [stdout] 1179a165eeea5ab75b2f4972eaf6b9176e9e0641f27cfaced87b08d203dcb3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fc75988cb4a6e910348c7752b3d7e503e0925b12ad7a048ade4ebe2dab739768
[INFO] running `Command { std: "docker" "start" "-a" "fc75988cb4a6e910348c7752b3d7e503e0925b12ad7a048ade4ebe2dab739768", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.2.17
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking structopt v0.2.17
[INFO] [stderr]     Checking grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "fc75988cb4a6e910348c7752b3d7e503e0925b12ad7a048ade4ebe2dab739768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc75988cb4a6e910348c7752b3d7e503e0925b12ad7a048ade4ebe2dab739768", kill_on_drop: false }`
[INFO] [stdout] fc75988cb4a6e910348c7752b3d7e503e0925b12ad7a048ade4ebe2dab739768