[INFO] crate imply_option 0.1.2 is already in cache
[INFO] testing imply_option-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate imply_option 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imply_option 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imply_option 0.1.2
[INFO] finished tweaking crates.io crate imply_option 0.1.2
[INFO] tweaked toml for crates.io crate imply_option 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] d1231bc95d0668b1831b05700dc2b9547d8d45a9752bd5af359fd1f5fa4942a4
[INFO] running `Command { std: "docker" "start" "-a" "d1231bc95d0668b1831b05700dc2b9547d8d45a9752bd5af359fd1f5fa4942a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1231bc95d0668b1831b05700dc2b9547d8d45a9752bd5af359fd1f5fa4942a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1231bc95d0668b1831b05700dc2b9547d8d45a9752bd5af359fd1f5fa4942a4", kill_on_drop: false }`
[INFO] [stdout] d1231bc95d0668b1831b05700dc2b9547d8d45a9752bd5af359fd1f5fa4942a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2fd925a029ecd1be58beb37302128f386875d8a9fee404f96823e7d48e2e2b2
[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" "b2fd925a029ecd1be58beb37302128f386875d8a9fee404f96823e7d48e2e2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling imply_option v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b2fd925a029ecd1be58beb37302128f386875d8a9fee404f96823e7d48e2e2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fd925a029ecd1be58beb37302128f386875d8a9fee404f96823e7d48e2e2b2", kill_on_drop: false }`
[INFO] [stdout] b2fd925a029ecd1be58beb37302128f386875d8a9fee404f96823e7d48e2e2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 06d31d221798ed4375abf4246a5ee20d9018a999cf071bdd2fa6b5eaadc37f57
[INFO] running `Command { std: "docker" "start" "-a" "06d31d221798ed4375abf4246a5ee20d9018a999cf071bdd2fa6b5eaadc37f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling imply_option v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "06d31d221798ed4375abf4246a5ee20d9018a999cf071bdd2fa6b5eaadc37f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d31d221798ed4375abf4246a5ee20d9018a999cf071bdd2fa6b5eaadc37f57", kill_on_drop: false }`
[INFO] [stdout] 06d31d221798ed4375abf4246a5ee20d9018a999cf071bdd2fa6b5eaadc37f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f24b60926413cd2fff0b0b7c9b762cfc80cce0beaa9e93e9f21dc97409f7495c
[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" "f24b60926413cd2fff0b0b7c9b762cfc80cce0beaa9e93e9f21dc97409f7495c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imply_option-32166aa65dcfa60d
[INFO] [stderr]    Doc-tests imply_option
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f24b60926413cd2fff0b0b7c9b762cfc80cce0beaa9e93e9f21dc97409f7495c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24b60926413cd2fff0b0b7c9b762cfc80cce0beaa9e93e9f21dc97409f7495c", kill_on_drop: false }`
[INFO] [stdout] f24b60926413cd2fff0b0b7c9b762cfc80cce0beaa9e93e9f21dc97409f7495c