[INFO] fetching crate fractals 0.1.0...
[INFO] testing fractals-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fractals 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fractals 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fractals 0.1.0
[INFO] finished tweaking crates.io crate fractals 0.1.0
[INFO] tweaked toml for crates.io crate fractals 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e6be9d983adff5197e13389a4dce93f72c86f5b7883aafdf461341147d240d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34e6be9d983adff5197e13389a4dce93f72c86f5b7883aafdf461341147d240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e6be9d983adff5197e13389a4dce93f72c86f5b7883aafdf461341147d240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e6be9d983adff5197e13389a4dce93f72c86f5b7883aafdf461341147d240d", kill_on_drop: false }`
[INFO] [stdout] 34e6be9d983adff5197e13389a4dce93f72c86f5b7883aafdf461341147d240d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e30b5434a04d8871d587901235f25eb470816c9a08d144afe06847b08455b989
[INFO] running `Command { std: "docker" "start" "-a" "e30b5434a04d8871d587901235f25eb470816c9a08d144afe06847b08455b989", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "e30b5434a04d8871d587901235f25eb470816c9a08d144afe06847b08455b989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30b5434a04d8871d587901235f25eb470816c9a08d144afe06847b08455b989", kill_on_drop: false }`
[INFO] [stdout] e30b5434a04d8871d587901235f25eb470816c9a08d144afe06847b08455b989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d85aee29176ed07bb83b7b3ab01c9ef7432321f941b6fdaa8bdd2b9f7f89450c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d85aee29176ed07bb83b7b3ab01c9ef7432321f941b6fdaa8bdd2b9f7f89450c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "d85aee29176ed07bb83b7b3ab01c9ef7432321f941b6fdaa8bdd2b9f7f89450c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85aee29176ed07bb83b7b3ab01c9ef7432321f941b6fdaa8bdd2b9f7f89450c", kill_on_drop: false }`
[INFO] [stdout] d85aee29176ed07bb83b7b3ab01c9ef7432321f941b6fdaa8bdd2b9f7f89450c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfacf6c5d2b9455af6bc8978b49e256a7cd8c9582d7850eee6fb02d02bc9ffa3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfacf6c5d2b9455af6bc8978b49e256a7cd8c9582d7850eee6fb02d02bc9ffa3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fractals-8d532a4262e55f77
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fractals-788bbcb95e48001a
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fractals
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfacf6c5d2b9455af6bc8978b49e256a7cd8c9582d7850eee6fb02d02bc9ffa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfacf6c5d2b9455af6bc8978b49e256a7cd8c9582d7850eee6fb02d02bc9ffa3", kill_on_drop: false }`
[INFO] [stdout] dfacf6c5d2b9455af6bc8978b49e256a7cd8c9582d7850eee6fb02d02bc9ffa3