[INFO] fetching crate iter-python 0.9.2...
[INFO] testing iter-python-0.9.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iter-python 0.9.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate iter-python 0.9.2 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 iter-python 0.9.2
[INFO] finished tweaking crates.io crate iter-python 0.9.2
[INFO] tweaked toml for crates.io crate iter-python 0.9.2 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 378f64fc2c837c9c07e25be03e60bb0f01bf46dad9463c20d962cad361eaf63d
[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" "378f64fc2c837c9c07e25be03e60bb0f01bf46dad9463c20d962cad361eaf63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378f64fc2c837c9c07e25be03e60bb0f01bf46dad9463c20d962cad361eaf63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378f64fc2c837c9c07e25be03e60bb0f01bf46dad9463c20d962cad361eaf63d", kill_on_drop: false }`
[INFO] [stdout] 378f64fc2c837c9c07e25be03e60bb0f01bf46dad9463c20d962cad361eaf63d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 26b3e34dafc6c368b52a1c3c049a227b6d1fce1243845d2c95a62291bea2a8e8
[INFO] running `Command { std: "docker" "start" "-a" "26b3e34dafc6c368b52a1c3c049a227b6d1fce1243845d2c95a62291bea2a8e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling candy v0.1.5
[INFO] [stderr]    Compiling join-lazy-fmt v0.9.2
[INFO] [stderr]    Compiling iter-python v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "26b3e34dafc6c368b52a1c3c049a227b6d1fce1243845d2c95a62291bea2a8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b3e34dafc6c368b52a1c3c049a227b6d1fce1243845d2c95a62291bea2a8e8", kill_on_drop: false }`
[INFO] [stdout] 26b3e34dafc6c368b52a1c3c049a227b6d1fce1243845d2c95a62291bea2a8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 1707995e07a0b40d92289fcbbee98ab30e324e871c74e8f0880ada786fae28ab
[INFO] running `Command { std: "docker" "start" "-a" "1707995e07a0b40d92289fcbbee98ab30e324e871c74e8f0880ada786fae28ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-python v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "1707995e07a0b40d92289fcbbee98ab30e324e871c74e8f0880ada786fae28ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1707995e07a0b40d92289fcbbee98ab30e324e871c74e8f0880ada786fae28ab", kill_on_drop: false }`
[INFO] [stdout] 1707995e07a0b40d92289fcbbee98ab30e324e871c74e8f0880ada786fae28ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 225e41baaf658a63d422fdb8f59feed0fa8a92a0960ed8374af4ee384ee3e258
[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" "225e41baaf658a63d422fdb8f59feed0fa8a92a0960ed8374af4ee384ee3e258", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iter_python-c7f8a52ab3fd72d1
[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] [stderr]    Doc-tests iter-python
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/macros.rs - iter (line 36) ... ok
[INFO] [stdout] test src/macros.rs - iter (line 10) ... ok
[INFO] [stdout] test src/macros.rs - iter (line 24) ... ok
[INFO] [stdout] test src/lib.rs - any (line 61) ... ok
[INFO] [stdout] test src/macros.rs - iter (line 51) ... ok
[INFO] [stdout] test src/lib.rs - all (line 32) ... ok
[INFO] [stdout] test src/macros.rs - vec_it (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "225e41baaf658a63d422fdb8f59feed0fa8a92a0960ed8374af4ee384ee3e258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225e41baaf658a63d422fdb8f59feed0fa8a92a0960ed8374af4ee384ee3e258", kill_on_drop: false }`
[INFO] [stdout] 225e41baaf658a63d422fdb8f59feed0fa8a92a0960ed8374af4ee384ee3e258