[INFO] cloning repository https://github.com/mmaryyoung/genre-study-web-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmaryyoung/genre-study-web-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaryyoung%2Fgenre-study-web-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaryyoung%2Fgenre-study-web-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70eb0cb6e6272e42ab9e3c04ccb238167ac398a6
[INFO] checking mmaryyoung/genre-study-web-app against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaryyoung%2Fgenre-study-web-app" "/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/mmaryyoung/genre-study-web-app 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/mmaryyoung/genre-study-web-app
[INFO] finished tweaking git repo https://github.com/mmaryyoung/genre-study-web-app
[INFO] tweaked toml for git repo https://github.com/mmaryyoung/genre-study-web-app written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mmaryyoung/genre-study-web-app 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 handlebars v4.1.6
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9554fce24dde9fd880760d19c366eda674d5bc2e5dbd21e072655e1d218e56f
[INFO] running `Command { std: "docker" "start" "-a" "d9554fce24dde9fd880760d19c366eda674d5bc2e5dbd21e072655e1d218e56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9554fce24dde9fd880760d19c366eda674d5bc2e5dbd21e072655e1d218e56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9554fce24dde9fd880760d19c366eda674d5bc2e5dbd21e072655e1d218e56f", kill_on_drop: false }`
[INFO] [stdout] d9554fce24dde9fd880760d19c366eda674d5bc2e5dbd21e072655e1d218e56f
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c40914bda08dbb4b68e08bb83d2463bda13975bb19e62431dfe88eb8c19ad3e
[INFO] running `Command { std: "docker" "start" "-a" "0c40914bda08dbb4b68e08bb83d2463bda13975bb19e62431dfe88eb8c19ad3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v4.1.6
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking genre-study-web-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "0c40914bda08dbb4b68e08bb83d2463bda13975bb19e62431dfe88eb8c19ad3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c40914bda08dbb4b68e08bb83d2463bda13975bb19e62431dfe88eb8c19ad3e", kill_on_drop: false }`
[INFO] [stdout] 0c40914bda08dbb4b68e08bb83d2463bda13975bb19e62431dfe88eb8c19ad3e