[INFO] fetching crate fib-rug 1.2.2-1...
[INFO] building fib-rug-1.2.2-1 against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] extracting crate fib-rug 1.2.2-1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate fib-rug 1.2.2-1
[INFO] finished tweaking crates.io crate fib-rug 1.2.2-1
[INFO] tweaked toml for crates.io crate fib-rug 1.2.2-1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fib-rug 1.2.2-1 on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fib-rug 1.2.2-1 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" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f47f9109ffa4c36ce94f5ff8ec3cb47a24178331cf141190ec9a84b3e674533
[INFO] running `Command { std: "docker" "start" "-a" "3f47f9109ffa4c36ce94f5ff8ec3cb47a24178331cf141190ec9a84b3e674533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f47f9109ffa4c36ce94f5ff8ec3cb47a24178331cf141190ec9a84b3e674533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f47f9109ffa4c36ce94f5ff8ec3cb47a24178331cf141190ec9a84b3e674533", kill_on_drop: false }`
[INFO] [stdout] 3f47f9109ffa4c36ce94f5ff8ec3cb47a24178331cf141190ec9a84b3e674533
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537b7c3e46a0b769c5eaabde90d3144d58baa7203e63c365791d1f61e39e12fe
[INFO] running `Command { std: "docker" "start" "-a" "537b7c3e46a0b769c5eaabde90d3144d58baa7203e63c365791d1f61e39e12fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]    Compiling fib-rug v1.2.2-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 45s
[INFO] running `Command { std: "docker" "inspect" "537b7c3e46a0b769c5eaabde90d3144d58baa7203e63c365791d1f61e39e12fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537b7c3e46a0b769c5eaabde90d3144d58baa7203e63c365791d1f61e39e12fe", kill_on_drop: false }`
[INFO] [stdout] 537b7c3e46a0b769c5eaabde90d3144d58baa7203e63c365791d1f61e39e12fe
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce6657f3d684d3f05b49c84dd0bd1704f490097526bac6a0c4c11818a3dff064
[INFO] running `Command { std: "docker" "start" "-a" "ce6657f3d684d3f05b49c84dd0bd1704f490097526bac6a0c4c11818a3dff064", kill_on_drop: false }`
[INFO] [stderr]    Compiling fib-rug v1.2.2-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ce6657f3d684d3f05b49c84dd0bd1704f490097526bac6a0c4c11818a3dff064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6657f3d684d3f05b49c84dd0bd1704f490097526bac6a0c4c11818a3dff064", kill_on_drop: false }`
[INFO] [stdout] ce6657f3d684d3f05b49c84dd0bd1704f490097526bac6a0c4c11818a3dff064