[INFO] fetching crate chainable-if 0.1.1...
[INFO] testing chainable-if-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate chainable-if 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate chainable-if 0.1.1 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 chainable-if 0.1.1
[INFO] finished tweaking crates.io crate chainable-if 0.1.1
[INFO] tweaked toml for crates.io crate chainable-if 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate chainable-if 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81cee189ce52f8e151efe76f3c115484d2b04bf951673515f87c5c9c5ccbe118
[INFO] running `Command { std: "docker" "start" "-a" "81cee189ce52f8e151efe76f3c115484d2b04bf951673515f87c5c9c5ccbe118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81cee189ce52f8e151efe76f3c115484d2b04bf951673515f87c5c9c5ccbe118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81cee189ce52f8e151efe76f3c115484d2b04bf951673515f87c5c9c5ccbe118", kill_on_drop: false }`
[INFO] [stdout] 81cee189ce52f8e151efe76f3c115484d2b04bf951673515f87c5c9c5ccbe118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 71e81e96c32c8a1ad950c22de8ca117c9c3e591782baf1daada885716faf7762
[INFO] running `Command { std: "docker" "start" "-a" "71e81e96c32c8a1ad950c22de8ca117c9c3e591782baf1daada885716faf7762", kill_on_drop: false }`
[INFO] [stderr]    Compiling chainable-if v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "71e81e96c32c8a1ad950c22de8ca117c9c3e591782baf1daada885716faf7762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e81e96c32c8a1ad950c22de8ca117c9c3e591782baf1daada885716faf7762", kill_on_drop: false }`
[INFO] [stdout] 71e81e96c32c8a1ad950c22de8ca117c9c3e591782baf1daada885716faf7762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d7a8315e584de08e16e98a77b56634b39e8c3d6b51f41bb4eecca0a9189c9bef
[INFO] running `Command { std: "docker" "start" "-a" "d7a8315e584de08e16e98a77b56634b39e8c3d6b51f41bb4eecca0a9189c9bef", kill_on_drop: false }`
[INFO] [stderr]    Compiling chainable-if v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "d7a8315e584de08e16e98a77b56634b39e8c3d6b51f41bb4eecca0a9189c9bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a8315e584de08e16e98a77b56634b39e8c3d6b51f41bb4eecca0a9189c9bef", kill_on_drop: false }`
[INFO] [stdout] d7a8315e584de08e16e98a77b56634b39e8c3d6b51f41bb4eecca0a9189c9bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 35a2c681895840eb952fdc9839d821ae4cc4178355f916ff7157579e19de6169
[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" "35a2c681895840eb952fdc9839d821ae4cc4178355f916ff7157579e19de6169", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chainable_if-77566c04887eda4a
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] test tests::single ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chainable_if-522b23427948bc49
[INFO] [stdout] test tests::test_with_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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] [stderr]    Doc-tests chainable-if
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 21) ... ignored
[INFO] [stdout] test src/lib.rs - (line 30) ... ignored
[INFO] [stdout] test src/lib.rs - (line 41) ... ignored
[INFO] [stdout] test src/lib.rs - (line 7) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35a2c681895840eb952fdc9839d821ae4cc4178355f916ff7157579e19de6169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a2c681895840eb952fdc9839d821ae4cc4178355f916ff7157579e19de6169", kill_on_drop: false }`
[INFO] [stdout] 35a2c681895840eb952fdc9839d821ae4cc4178355f916ff7157579e19de6169