[INFO] fetching crate rug-maths 0.2.5...
[INFO] checking rug-maths-0.2.5 against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] extracting crate rug-maths 0.2.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rug-maths 0.2.5 on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-maths 0.2.5
[INFO] finished tweaking crates.io crate rug-maths 0.2.5
[INFO] tweaked toml for crates.io crate rug-maths 0.2.5 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" "+aa067fb984d36462548bb785da221bfaf38253f0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maths-traits v0.2.1
[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" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f32d6366f7a49886b69673a7c1f87accdb6ffd79a15f42f022824ff1a97ef2e1
[INFO] running `Command { std: "docker" "start" "-a" "f32d6366f7a49886b69673a7c1f87accdb6ffd79a15f42f022824ff1a97ef2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f32d6366f7a49886b69673a7c1f87accdb6ffd79a15f42f022824ff1a97ef2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32d6366f7a49886b69673a7c1f87accdb6ffd79a15f42f022824ff1a97ef2e1", kill_on_drop: false }`
[INFO] [stdout] f32d6366f7a49886b69673a7c1f87accdb6ffd79a15f42f022824ff1a97ef2e1
[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" "+aa067fb984d36462548bb785da221bfaf38253f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8395d53a345d2473e33562bc4e2d00ad637c4c59e2265cba1fbf3a19332deaf1
[INFO] running `Command { std: "docker" "start" "-a" "8395d53a345d2473e33562bc4e2d00ad637c4c59e2265cba1fbf3a19332deaf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]     Checking maths-traits v0.2.1
[INFO] [stderr]     Checking rug-maths v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToPrimitive` is imported redundantly
[INFO] [stdout]    --> src/float.rs:460:6
[INFO] [stdout]     |
[INFO] [stdout] 457 |     use super::*;
[INFO] [stdout]     |         -------- the item `ToPrimitive` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 460 |     use num_traits::ToPrimitive;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "8395d53a345d2473e33562bc4e2d00ad637c4c59e2265cba1fbf3a19332deaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8395d53a345d2473e33562bc4e2d00ad637c4c59e2265cba1fbf3a19332deaf1", kill_on_drop: false }`
[INFO] [stdout] 8395d53a345d2473e33562bc4e2d00ad637c4c59e2265cba1fbf3a19332deaf1