[INFO] fetching crate demo-hack-impl 0.0.5...
[INFO] testing demo-hack-impl-0.0.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate demo-hack-impl 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate demo-hack-impl 0.0.5 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 crates.io crate demo-hack-impl 0.0.5
[INFO] finished tweaking crates.io crate demo-hack-impl 0.0.5
[INFO] tweaked toml for crates.io crate demo-hack-impl 0.0.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9b64fdd7d884f98a40cb3adbe76e1e706198a7b9889b3539d61992badcecf424
[INFO] running `Command { std: "docker" "start" "-a" "9b64fdd7d884f98a40cb3adbe76e1e706198a7b9889b3539d61992badcecf424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b64fdd7d884f98a40cb3adbe76e1e706198a7b9889b3539d61992badcecf424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b64fdd7d884f98a40cb3adbe76e1e706198a7b9889b3539d61992badcecf424", kill_on_drop: false }`
[INFO] [stdout] 9b64fdd7d884f98a40cb3adbe76e1e706198a7b9889b3539d61992badcecf424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3971e039475613696d3a55e40a04c030b1ef175253a2c87636e12a7e1799bcdf
[INFO] running `Command { std: "docker" "start" "-a" "3971e039475613696d3a55e40a04c030b1ef175253a2c87636e12a7e1799bcdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling demo-hack-impl v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "3971e039475613696d3a55e40a04c030b1ef175253a2c87636e12a7e1799bcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3971e039475613696d3a55e40a04c030b1ef175253a2c87636e12a7e1799bcdf", kill_on_drop: false }`
[INFO] [stdout] 3971e039475613696d3a55e40a04c030b1ef175253a2c87636e12a7e1799bcdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0199bb2c65bdde3894439743208ffa767e9a4940d082a12ca362bffdd0f043f2
[INFO] running `Command { std: "docker" "start" "-a" "0199bb2c65bdde3894439743208ffa767e9a4940d082a12ca362bffdd0f043f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo-hack-impl v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0199bb2c65bdde3894439743208ffa767e9a4940d082a12ca362bffdd0f043f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0199bb2c65bdde3894439743208ffa767e9a4940d082a12ca362bffdd0f043f2", kill_on_drop: false }`
[INFO] [stdout] 0199bb2c65bdde3894439743208ffa767e9a4940d082a12ca362bffdd0f043f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 02ede037c04dce0d83aee44c9ca4e39fb61fc689d527c82500f1be4f121c72a2
[INFO] running `Command { std: "docker" "start" "-a" "02ede037c04dce0d83aee44c9ca4e39fb61fc689d527c82500f1be4f121c72a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/demo_hack_impl-091da482765f65a7)
[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] [stderr]    Doc-tests demo-hack-impl
[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" "02ede037c04dce0d83aee44c9ca4e39fb61fc689d527c82500f1be4f121c72a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ede037c04dce0d83aee44c9ca4e39fb61fc689d527c82500f1be4f121c72a2", kill_on_drop: false }`
[INFO] [stdout] 02ede037c04dce0d83aee44c9ca4e39fb61fc689d527c82500f1be4f121c72a2