[INFO] cloning repository https://github.com/samuelcolvin/cloudflare-worker-speed-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuelcolvin/cloudflare-worker-speed-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Fcloudflare-worker-speed-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Fcloudflare-worker-speed-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a9db5d842718951193bce9f9691b5870587f7f2
[INFO] checking samuelcolvin/cloudflare-worker-speed-test against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Fcloudflare-worker-speed-test" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samuelcolvin/cloudflare-worker-speed-test 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/samuelcolvin/cloudflare-worker-speed-test
[INFO] finished tweaking git repo https://github.com/samuelcolvin/cloudflare-worker-speed-test
[INFO] tweaked toml for git repo https://github.com/samuelcolvin/cloudflare-worker-speed-test written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/samuelcolvin/cloudflare-worker-speed-test 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 wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] [stderr]   Downloaded chrono-tz v0.5.2
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded globwalk v0.8.0
[INFO] [stderr]   Downloaded humansize v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded tera v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0f047f819f6d371e2f5272e0457149a8cbc60ef2e3f0885099779b414f90d24a
[INFO] running `Command { std: "docker" "start" "-a" "0f047f819f6d371e2f5272e0457149a8cbc60ef2e3f0885099779b414f90d24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f047f819f6d371e2f5272e0457149a8cbc60ef2e3f0885099779b414f90d24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f047f819f6d371e2f5272e0457149a8cbc60ef2e3f0885099779b414f90d24a", kill_on_drop: false }`
[INFO] [stdout] 0f047f819f6d371e2f5272e0457149a8cbc60ef2e3f0885099779b414f90d24a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d7e2a32d89c92a4a3d8f74078f734e3a04e52a67e1e1a436b4f5516795825a22
[INFO] running `Command { std: "docker" "start" "-a" "d7e2a32d89c92a4a3d8f74078f734e3a04e52a67e1e1a436b4f5516795825a22", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.43
[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]     Checking chrono v0.4.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.64
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.64
[INFO] [stderr]     Checking tera v1.3.1
[INFO] [stderr]     Checking speed-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.64
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d7e2a32d89c92a4a3d8f74078f734e3a04e52a67e1e1a436b4f5516795825a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e2a32d89c92a4a3d8f74078f734e3a04e52a67e1e1a436b4f5516795825a22", kill_on_drop: false }`
[INFO] [stdout] d7e2a32d89c92a4a3d8f74078f734e3a04e52a67e1e1a436b4f5516795825a22