[INFO] fetching crate srgb 0.3.2...
[INFO] testing srgb-0.3.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate srgb 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate srgb 0.3.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srgb 0.3.2
[INFO] finished tweaking crates.io crate srgb 0.3.2
[INFO] tweaked toml for crates.io crate srgb 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb_derivation v0.2.0
[INFO] [stderr]   Downloaded kahan v0.1.4
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a86d946544fe4d1f8c5eb43a5b1bf390976e6d67f005a2a751316552f5402446
[INFO] running `Command { std: "docker" "start" "-a" "a86d946544fe4d1f8c5eb43a5b1bf390976e6d67f005a2a751316552f5402446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a86d946544fe4d1f8c5eb43a5b1bf390976e6d67f005a2a751316552f5402446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86d946544fe4d1f8c5eb43a5b1bf390976e6d67f005a2a751316552f5402446", kill_on_drop: false }`
[INFO] [stdout] a86d946544fe4d1f8c5eb43a5b1bf390976e6d67f005a2a751316552f5402446
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cb2375e8c2eb791bad37fd242954a8e3be14276e6b4045d32364058688305bc
[INFO] running `Command { std: "docker" "start" "-a" "2cb2375e8c2eb791bad37fd242954a8e3be14276e6b4045d32364058688305bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rug v1.24.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling rgb_derivation v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling srgb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Float` in the current scope
[INFO] [stdout]    --> build.rs:218:23
[INFO] [stdout]     |
[INFO] [stdout] 218 |             let v = v.to_string_radix(10, Some(24));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^ method not found in `rug::Float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srgb` (build script) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2cb2375e8c2eb791bad37fd242954a8e3be14276e6b4045d32364058688305bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb2375e8c2eb791bad37fd242954a8e3be14276e6b4045d32364058688305bc", kill_on_drop: false }`
[INFO] [stdout] 2cb2375e8c2eb791bad37fd242954a8e3be14276e6b4045d32364058688305bc
