[INFO] fetching crate rug 1.29.0...
[INFO] checking rug-1.29.0 against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492
[INFO] extracting crate rug 1.29.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rug 1.29.0
[INFO] finished tweaking crates.io crate rug 1.29.0
[INFO] tweaked toml for crates.io crate rug 1.29.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rug 1.29.0 on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rug 1.29.0 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.177
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae58fa3668e515c6734033e4365be75b34485154a38d6f6a11d51ec4a0e430ec
[INFO] running `Command { std: "docker" "start" "-a" "ae58fa3668e515c6734033e4365be75b34485154a38d6f6a11d51ec4a0e430ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae58fa3668e515c6734033e4365be75b34485154a38d6f6a11d51ec4a0e430ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae58fa3668e515c6734033e4365be75b34485154a38d6f6a11d51ec4a0e430ec", kill_on_drop: false }`
[INFO] [stdout] ae58fa3668e515c6734033e4365be75b34485154a38d6f6a11d51ec4a0e430ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf8b72749d759f66d56c78558d32648884d9f165ffde101f058a60e586bef7f
[INFO] running `Command { std: "docker" "start" "-a" "faf8b72749d759f66d56c78558d32648884d9f165ffde101f058a60e586bef7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.0
[INFO] [stderr]    Compiling rug v1.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 33s
[INFO] running `Command { std: "docker" "inspect" "faf8b72749d759f66d56c78558d32648884d9f165ffde101f058a60e586bef7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf8b72749d759f66d56c78558d32648884d9f165ffde101f058a60e586bef7f", kill_on_drop: false }`
[INFO] [stdout] faf8b72749d759f66d56c78558d32648884d9f165ffde101f058a60e586bef7f