[INFO] fetching crate ucalc 0.0.1...
[INFO] testing ucalc-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate ucalc 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ucalc 0.0.1
[INFO] finished tweaking crates.io crate ucalc 0.0.1
[INFO] tweaked toml for crates.io crate ucalc 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ucalc 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ucalc 0.0.1 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" "+562dee4820c458d823175268e41601d4c060588a" "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 ucalc_lib v0.0.1
[INFO] [stderr]   Downloaded ucalc_numbers v0.0.1
[INFO] [stderr]   Downloaded bnum v0.12.1
[INFO] [stderr]   Downloaded rug v1.28.1
[INFO] [stderr]   Downloaded az v1.3.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] [stderr]   Downloaded fastnum v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f214c4dedae8c39ecbae1a458c5e9a70944388183209bd899db1f6d24feb763
[INFO] running `Command { std: "docker" "start" "-a" "8f214c4dedae8c39ecbae1a458c5e9a70944388183209bd899db1f6d24feb763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f214c4dedae8c39ecbae1a458c5e9a70944388183209bd899db1f6d24feb763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f214c4dedae8c39ecbae1a458c5e9a70944388183209bd899db1f6d24feb763", kill_on_drop: false }`
[INFO] [stdout] 8f214c4dedae8c39ecbae1a458c5e9a70944388183209bd899db1f6d24feb763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29299dfc7777a76c4aaf8d6c067ae01da2eb452b596ec1ecd7361509f8ee1de1
[INFO] running `Command { std: "docker" "start" "-a" "29299dfc7777a76c4aaf8d6c067ae01da2eb452b596ec1ecd7361509f8ee1de1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucalc_numbers v0.0.1
[INFO] [stderr]    Compiling ucalc_lib v0.0.1
[INFO] [stderr]    Compiling ucalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "29299dfc7777a76c4aaf8d6c067ae01da2eb452b596ec1ecd7361509f8ee1de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29299dfc7777a76c4aaf8d6c067ae01da2eb452b596ec1ecd7361509f8ee1de1", kill_on_drop: false }`
[INFO] [stdout] 29299dfc7777a76c4aaf8d6c067ae01da2eb452b596ec1ecd7361509f8ee1de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d2efe86d5f0df1451eb55a844f003b5e12edd82b6b497012935f4ad2b1fcc9
[INFO] running `Command { std: "docker" "start" "-a" "a9d2efe86d5f0df1451eb55a844f003b5e12edd82b6b497012935f4ad2b1fcc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a9d2efe86d5f0df1451eb55a844f003b5e12edd82b6b497012935f4ad2b1fcc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d2efe86d5f0df1451eb55a844f003b5e12edd82b6b497012935f4ad2b1fcc9", kill_on_drop: false }`
[INFO] [stdout] a9d2efe86d5f0df1451eb55a844f003b5e12edd82b6b497012935f4ad2b1fcc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e459214e86c2866e69184b042531a1061e6aa29842a06a7f5b6eab382385207
[INFO] running `Command { std: "docker" "start" "-a" "0e459214e86c2866e69184b042531a1061e6aa29842a06a7f5b6eab382385207", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ucalc-42248197c93af7b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e459214e86c2866e69184b042531a1061e6aa29842a06a7f5b6eab382385207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e459214e86c2866e69184b042531a1061e6aa29842a06a7f5b6eab382385207", kill_on_drop: false }`
[INFO] [stdout] 0e459214e86c2866e69184b042531a1061e6aa29842a06a7f5b6eab382385207