[INFO] cloning repository https://github.com/stillinbeta/rust_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stillinbeta/rust_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstillinbeta%2Frust_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstillinbeta%2Frust_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90dfcfd6394a780aa1fc81cb8fa6b2ed5e27a254
[INFO] testing stillinbeta/rust_examples 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%2Fstillinbeta%2Frust_examples" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stillinbeta/rust_examples 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/stillinbeta/rust_examples
[INFO] finished tweaking git repo https://github.com/stillinbeta/rust_examples
[INFO] tweaked toml for git repo https://github.com/stillinbeta/rust_examples written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/stillinbeta/rust_examples 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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] d7f51cfdeb6e1d86ede53439108ac1198770cfcb9acbf9842a08c84ccd3a2940
[INFO] running `Command { std: "docker" "start" "-a" "d7f51cfdeb6e1d86ede53439108ac1198770cfcb9acbf9842a08c84ccd3a2940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f51cfdeb6e1d86ede53439108ac1198770cfcb9acbf9842a08c84ccd3a2940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f51cfdeb6e1d86ede53439108ac1198770cfcb9acbf9842a08c84ccd3a2940", kill_on_drop: false }`
[INFO] [stdout] d7f51cfdeb6e1d86ede53439108ac1198770cfcb9acbf9842a08c84ccd3a2940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 173f9f25e00ed1e4d3858f0513eea9dd9effe9c217a3e1fd3e8ecbab575b6afe
[INFO] running `Command { std: "docker" "start" "-a" "173f9f25e00ed1e4d3858f0513eea9dd9effe9c217a3e1fd3e8ecbab575b6afe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling fc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.75s
[INFO] running `Command { std: "docker" "inspect" "173f9f25e00ed1e4d3858f0513eea9dd9effe9c217a3e1fd3e8ecbab575b6afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173f9f25e00ed1e4d3858f0513eea9dd9effe9c217a3e1fd3e8ecbab575b6afe", kill_on_drop: false }`
[INFO] [stdout] 173f9f25e00ed1e4d3858f0513eea9dd9effe9c217a3e1fd3e8ecbab575b6afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 29dcb5d8e77ce00a8c4f21499f711fd9f68562dede70dc836308be371229ad50
[INFO] running `Command { std: "docker" "start" "-a" "29dcb5d8e77ce00a8c4f21499f711fd9f68562dede70dc836308be371229ad50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "29dcb5d8e77ce00a8c4f21499f711fd9f68562dede70dc836308be371229ad50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dcb5d8e77ce00a8c4f21499f711fd9f68562dede70dc836308be371229ad50", kill_on_drop: false }`
[INFO] [stdout] 29dcb5d8e77ce00a8c4f21499f711fd9f68562dede70dc836308be371229ad50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 82a8c4a3cf48770e11ab8d8d008e18bae1e00d6635ce7bd8cc14ba7a4bf71c8a
[INFO] running `Command { std: "docker" "start" "-a" "82a8c4a3cf48770e11ab8d8d008e18bae1e00d6635ce7bd8cc14ba7a4bf71c8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fc-4e0c090b0613892c)
[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]      Running unittests (/opt/rustwide/target/debug/deps/fc-a00f9a8132b03834)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fc
[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] [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" "82a8c4a3cf48770e11ab8d8d008e18bae1e00d6635ce7bd8cc14ba7a4bf71c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a8c4a3cf48770e11ab8d8d008e18bae1e00d6635ce7bd8cc14ba7a4bf71c8a", kill_on_drop: false }`
[INFO] [stdout] 82a8c4a3cf48770e11ab8d8d008e18bae1e00d6635ce7bd8cc14ba7a4bf71c8a