[INFO] fetching crate gecs 0.3.0...
[INFO] checking gecs-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gecs 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate gecs 0.3.0 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 gecs 0.3.0
[INFO] finished tweaking crates.io crate gecs 0.3.0
[INFO] tweaked toml for crates.io crate gecs 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[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 xxhash-rust v0.8.10
[INFO] [stderr]   Downloaded speedy v0.8.7
[INFO] [stderr]   Downloaded speedy-derive v0.8.7
[INFO] [stderr]   Downloaded gecs_macros v0.3.0
[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] 867c9e957c554827dd8e7b47d3e217766397271eb1022590ab0b17d2dd2dd578
[INFO] running `Command { std: "docker" "start" "-a" "867c9e957c554827dd8e7b47d3e217766397271eb1022590ab0b17d2dd2dd578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "867c9e957c554827dd8e7b47d3e217766397271eb1022590ab0b17d2dd2dd578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867c9e957c554827dd8e7b47d3e217766397271eb1022590ab0b17d2dd2dd578", kill_on_drop: false }`
[INFO] [stdout] 867c9e957c554827dd8e7b47d3e217766397271eb1022590ab0b17d2dd2dd578
[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] a8c1f0ddc1cbde643ef3dfb02db1d3905fe1c24205696b549f82fcfe1e32776a
[INFO] running `Command { std: "docker" "start" "-a" "a8c1f0ddc1cbde643ef3dfb02db1d3905fe1c24205696b549f82fcfe1e32776a", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling xxhash-rust v0.8.10
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling speedy-derive v0.8.7
[INFO] [stderr]    Compiling speedy v0.8.7
[INFO] [stderr]    Compiling gecs_macros v0.3.0
[INFO] [stderr]     Checking gecs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "a8c1f0ddc1cbde643ef3dfb02db1d3905fe1c24205696b549f82fcfe1e32776a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c1f0ddc1cbde643ef3dfb02db1d3905fe1c24205696b549f82fcfe1e32776a", kill_on_drop: false }`
[INFO] [stdout] a8c1f0ddc1cbde643ef3dfb02db1d3905fe1c24205696b549f82fcfe1e32776a