[INFO] fetching crate nanors 0.1.0...
[INFO] testing nanors-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nanors 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nanors 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanors 0.1.0
[INFO] finished tweaking crates.io crate nanors 0.1.0
[INFO] tweaked toml for crates.io crate nanors 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 172555309bfdcf0a773ef8f470208fb20527705ff71ff09aa4ce687b40e41f0f
[INFO] running `Command { std: "docker" "start" "-a" "172555309bfdcf0a773ef8f470208fb20527705ff71ff09aa4ce687b40e41f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "172555309bfdcf0a773ef8f470208fb20527705ff71ff09aa4ce687b40e41f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172555309bfdcf0a773ef8f470208fb20527705ff71ff09aa4ce687b40e41f0f", kill_on_drop: false }`
[INFO] [stdout] 172555309bfdcf0a773ef8f470208fb20527705ff71ff09aa4ce687b40e41f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae4bd1e974693f7ab9e39f1adb1acbd9aebc40d5bb876b9adf11ed0ec4ff7009
[INFO] running `Command { std: "docker" "start" "-a" "ae4bd1e974693f7ab9e39f1adb1acbd9aebc40d5bb876b9adf11ed0ec4ff7009", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling nanors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "ae4bd1e974693f7ab9e39f1adb1acbd9aebc40d5bb876b9adf11ed0ec4ff7009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4bd1e974693f7ab9e39f1adb1acbd9aebc40d5bb876b9adf11ed0ec4ff7009", kill_on_drop: false }`
[INFO] [stdout] ae4bd1e974693f7ab9e39f1adb1acbd9aebc40d5bb876b9adf11ed0ec4ff7009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 306311df6840861d2e6534936701e29c54eaa8c84eaa8601aa70e91994402fed
[INFO] running `Command { std: "docker" "start" "-a" "306311df6840861d2e6534936701e29c54eaa8c84eaa8601aa70e91994402fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "306311df6840861d2e6534936701e29c54eaa8c84eaa8601aa70e91994402fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306311df6840861d2e6534936701e29c54eaa8c84eaa8601aa70e91994402fed", kill_on_drop: false }`
[INFO] [stdout] 306311df6840861d2e6534936701e29c54eaa8c84eaa8601aa70e91994402fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50f7a5c632b2f9638537aacc4f14cfbadbfba544421987311b9df5a5fc11e12d
[INFO] running `Command { std: "docker" "start" "-a" "50f7a5c632b2f9638537aacc4f14cfbadbfba544421987311b9df5a5fc11e12d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nanors-9f94fcfb18ce8b85)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests nanors
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "50f7a5c632b2f9638537aacc4f14cfbadbfba544421987311b9df5a5fc11e12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f7a5c632b2f9638537aacc4f14cfbadbfba544421987311b9df5a5fc11e12d", kill_on_drop: false }`
[INFO] [stdout] 50f7a5c632b2f9638537aacc4f14cfbadbfba544421987311b9df5a5fc11e12d