[INFO] fetching crate flawless 1.0.0-alpha.2+brazilian-capybara...
[INFO] checking flawless-1.0.0-alpha.2+brazilian-capybara against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate flawless 1.0.0-alpha.2+brazilian-capybara into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate flawless 1.0.0-alpha.2+brazilian-capybara 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 crates.io crate flawless 1.0.0-alpha.2+brazilian-capybara
[INFO] finished tweaking crates.io crate flawless 1.0.0-alpha.2+brazilian-capybara
[INFO] tweaked toml for crates.io crate flawless 1.0.0-alpha.2+brazilian-capybara written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate flawless 1.0.0-alpha.2+brazilian-capybara 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 flawless-macros v1.0.0-alpha.2+brazilian-capybara
[INFO] [stderr]   Downloaded flawless-wasabi v1.0.0-alpha.2+brazilian-capybara
[INFO] [stderr]   Downloaded http-serde v1.1.3
[INFO] [stderr]   Downloaded openssl v0.10.60
[INFO] [stderr]   Downloaded openssl-sys v0.9.96
[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] c24fbed05a221246a4e5fd860be73b02a77e6518e073a5f4b330a6b5a0685f6c
[INFO] running `Command { std: "docker" "start" "-a" "c24fbed05a221246a4e5fd860be73b02a77e6518e073a5f4b330a6b5a0685f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c24fbed05a221246a4e5fd860be73b02a77e6518e073a5f4b330a6b5a0685f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24fbed05a221246a4e5fd860be73b02a77e6518e073a5f4b330a6b5a0685f6c", kill_on_drop: false }`
[INFO] [stdout] c24fbed05a221246a4e5fd860be73b02a77e6518e073a5f4b330a6b5a0685f6c
[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] 822b71734752852cbc1435b1d1a80d0952a2cc102eb32818ed69ee2d1db45741
[INFO] running `Command { std: "docker" "start" "-a" "822b71734752852cbc1435b1d1a80d0952a2cc102eb32818ed69ee2d1db45741", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling flawless v1.0.0-alpha.2+brazilian-capybara (/opt/rustwide/workdir)
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling flawless-macros v1.0.0-alpha.2+brazilian-capybara
[INFO] [stderr]     Checking http-serde v1.1.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking flawless-wasabi v1.0.0-alpha.2+brazilian-capybara
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "822b71734752852cbc1435b1d1a80d0952a2cc102eb32818ed69ee2d1db45741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822b71734752852cbc1435b1d1a80d0952a2cc102eb32818ed69ee2d1db45741", kill_on_drop: false }`
[INFO] [stdout] 822b71734752852cbc1435b1d1a80d0952a2cc102eb32818ed69ee2d1db45741