[INFO] cloning repository https://github.com/murilobsd/rust-observable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murilobsd/rust-observable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurilobsd%2Frust-observable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurilobsd%2Frust-observable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c4b2ad0c04acad56129b1a5768ffa87cadf6f44
[INFO] testing murilobsd/rust-observable 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%2Fmurilobsd%2Frust-observable" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/murilobsd/rust-observable 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] removed /workspace/builds/worker-24/source/.cargo/config
[INFO] started tweaking git repo https://github.com/murilobsd/rust-observable
[INFO] finished tweaking git repo https://github.com/murilobsd/rust-observable
[INFO] tweaked toml for git repo https://github.com/murilobsd/rust-observable written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/murilobsd/rust-observable 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 2ddb817ce685d7f00140478983499abb413b6b869f40ca6ed19590eefc85c843
[INFO] running `Command { std: "docker" "start" "-a" "2ddb817ce685d7f00140478983499abb413b6b869f40ca6ed19590eefc85c843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ddb817ce685d7f00140478983499abb413b6b869f40ca6ed19590eefc85c843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddb817ce685d7f00140478983499abb413b6b869f40ca6ed19590eefc85c843", kill_on_drop: false }`
[INFO] [stdout] 2ddb817ce685d7f00140478983499abb413b6b869f40ca6ed19590eefc85c843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 8ee3fb48c973a8f4a9935164011f7b69cbc11164e0fc728308c7a1e514d90ee7
[INFO] running `Command { std: "docker" "start" "-a" "8ee3fb48c973a8f4a9935164011f7b69cbc11164e0fc728308c7a1e514d90ee7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-observable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "8ee3fb48c973a8f4a9935164011f7b69cbc11164e0fc728308c7a1e514d90ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee3fb48c973a8f4a9935164011f7b69cbc11164e0fc728308c7a1e514d90ee7", kill_on_drop: false }`
[INFO] [stdout] 8ee3fb48c973a8f4a9935164011f7b69cbc11164e0fc728308c7a1e514d90ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 78e9809baf0c300ea6c04125a59469f98ea10ee47e8c383273f410c00078a7a6
[INFO] running `Command { std: "docker" "start" "-a" "78e9809baf0c300ea6c04125a59469f98ea10ee47e8c383273f410c00078a7a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-observable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "78e9809baf0c300ea6c04125a59469f98ea10ee47e8c383273f410c00078a7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e9809baf0c300ea6c04125a59469f98ea10ee47e8c383273f410c00078a7a6", kill_on_drop: false }`
[INFO] [stdout] 78e9809baf0c300ea6c04125a59469f98ea10ee47e8c383273f410c00078a7a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] e9df405bac85c31dfdcbe8e51cf65fe81f6e218ae4e7c814d1d8fc25b45a119b
[INFO] running `Command { std: "docker" "start" "-a" "e9df405bac85c31dfdcbe8e51cf65fe81f6e218ae4e7c814d1d8fc25b45a119b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_observable-45820a82d6119560)
[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" "e9df405bac85c31dfdcbe8e51cf65fe81f6e218ae4e7c814d1d8fc25b45a119b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9df405bac85c31dfdcbe8e51cf65fe81f6e218ae4e7c814d1d8fc25b45a119b", kill_on_drop: false }`
[INFO] [stdout] e9df405bac85c31dfdcbe8e51cf65fe81f6e218ae4e7c814d1d8fc25b45a119b