[INFO] cloning repository https://github.com/Synthetica9/rs-tance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Synthetica9/rs-tance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0d2a9558f29e26015e2516ef65e6667437c589d
[INFO] testing Synthetica9/rs-tance against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Synthetica9/rs-tance on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Synthetica9/rs-tance
[INFO] finished tweaking git repo https://github.com/Synthetica9/rs-tance
[INFO] tweaked toml for git repo https://github.com/Synthetica9/rs-tance written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Synthetica9/rs-tance already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.14.0
[INFO] [stderr]   Downloaded ctrlc v3.1.3
[INFO] [stderr]   Downloaded rug v1.4.0
[INFO] [stderr]   Downloaded primes v0.2.3
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6596154bfc34942248d4eabef7b6997d4f5faa1c8f3ffc7d44027b0fa52fb7ad
[INFO] running `Command { std: "docker" "start" "-a" "6596154bfc34942248d4eabef7b6997d4f5faa1c8f3ffc7d44027b0fa52fb7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6596154bfc34942248d4eabef7b6997d4f5faa1c8f3ffc7d44027b0fa52fb7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6596154bfc34942248d4eabef7b6997d4f5faa1c8f3ffc7d44027b0fa52fb7ad", kill_on_drop: false }`
[INFO] [stdout] 6596154bfc34942248d4eabef7b6997d4f5faa1c8f3ffc7d44027b0fa52fb7ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e4bd52658b8fedd6651e1a1c2564ea61010a3eb27be6ab6f1ec282815627d42
[INFO] running `Command { std: "docker" "start" "-a" "0e4bd52658b8fedd6651e1a1c2564ea61010a3eb27be6ab6f1ec282815627d42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.0
[INFO] [stderr]    Compiling rug v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling primes v0.2.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.13
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling rs-tance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `Command { std: "docker" "inspect" "0e4bd52658b8fedd6651e1a1c2564ea61010a3eb27be6ab6f1ec282815627d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4bd52658b8fedd6651e1a1c2564ea61010a3eb27be6ab6f1ec282815627d42", kill_on_drop: false }`
[INFO] [stdout] 0e4bd52658b8fedd6651e1a1c2564ea61010a3eb27be6ab6f1ec282815627d42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72fec726b1b8b38bb0f7b20c6a40a25f440b17f462a915d12b5676ff44f56d72
[INFO] running `Command { std: "docker" "start" "-a" "72fec726b1b8b38bb0f7b20c6a40a25f440b17f462a915d12b5676ff44f56d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-tance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "72fec726b1b8b38bb0f7b20c6a40a25f440b17f462a915d12b5676ff44f56d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fec726b1b8b38bb0f7b20c6a40a25f440b17f462a915d12b5676ff44f56d72", kill_on_drop: false }`
[INFO] [stdout] 72fec726b1b8b38bb0f7b20c6a40a25f440b17f462a915d12b5676ff44f56d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acc95098aa28946d9f96bfbc24a24e81864f1a107b7e419f51a6bcab1fc98593
[INFO] running `Command { std: "docker" "start" "-a" "acc95098aa28946d9f96bfbc24a24e81864f1a107b7e419f51a6bcab1fc98593", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_tance-2ae12a140d9f99c2)
[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" "acc95098aa28946d9f96bfbc24a24e81864f1a107b7e419f51a6bcab1fc98593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc95098aa28946d9f96bfbc24a24e81864f1a107b7e419f51a6bcab1fc98593", kill_on_drop: false }`
[INFO] [stdout] acc95098aa28946d9f96bfbc24a24e81864f1a107b7e419f51a6bcab1fc98593