[INFO] fetching crate multi_try 0.3.0...
[INFO] testing multi_try-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate multi_try 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate multi_try 0.3.0 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 multi_try 0.3.0
[INFO] finished tweaking crates.io crate multi_try 0.3.0
[INFO] tweaked toml for crates.io crate multi_try 0.3.0 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] f1b3a1e76fde7b243f855b85638e921409fe56fa68ab6d8320c5800f968e336e
[INFO] running `Command { std: "docker" "start" "-a" "f1b3a1e76fde7b243f855b85638e921409fe56fa68ab6d8320c5800f968e336e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b3a1e76fde7b243f855b85638e921409fe56fa68ab6d8320c5800f968e336e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b3a1e76fde7b243f855b85638e921409fe56fa68ab6d8320c5800f968e336e", kill_on_drop: false }`
[INFO] [stdout] f1b3a1e76fde7b243f855b85638e921409fe56fa68ab6d8320c5800f968e336e
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09db4f7bd102a2723b29b866c0702bf62de9770e299b33df3590958a3f3a3dad
[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" "09db4f7bd102a2723b29b866c0702bf62de9770e299b33df3590958a3f3a3dad", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_try v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "09db4f7bd102a2723b29b866c0702bf62de9770e299b33df3590958a3f3a3dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09db4f7bd102a2723b29b866c0702bf62de9770e299b33df3590958a3f3a3dad", kill_on_drop: false }`
[INFO] [stdout] 09db4f7bd102a2723b29b866c0702bf62de9770e299b33df3590958a3f3a3dad
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 9d85ad866e9e7d39abe1bda8c2346e4abd1773ed14e1be9cd504dd9f11112494
[INFO] running `Command { std: "docker" "start" "-a" "9d85ad866e9e7d39abe1bda8c2346e4abd1773ed14e1be9cd504dd9f11112494", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_try v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "9d85ad866e9e7d39abe1bda8c2346e4abd1773ed14e1be9cd504dd9f11112494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d85ad866e9e7d39abe1bda8c2346e4abd1773ed14e1be9cd504dd9f11112494", kill_on_drop: false }`
[INFO] [stdout] 9d85ad866e9e7d39abe1bda8c2346e4abd1773ed14e1be9cd504dd9f11112494
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 294d155f3205e35cc7f834651554d5147008382da614fdc32143bfe7190f69c8
[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" "294d155f3205e35cc7f834651554d5147008382da614fdc32143bfe7190f69c8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multi_try-3f8f57c46dff5a45
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/email_validation-f06c91cc49baca37
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_option-a61fbf64c17f174b
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::all_err ... ok
[INFO] [stdout] test tests::body_err ... ok
[INFO] [stdout] test tests::all_ok ... 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 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_result-473bad8c7e131e08
[INFO] [stdout] test tests::none_empty ... ok
[INFO] [stdout] test tests::all_empty ... ok
[INFO] [stdout] test tests::b_empty ... 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 3 tests
[INFO] [stdout] test tests::all_ok ... ok
[INFO] [stdout] test tests::c_err ... ok
[INFO] [stdout] test tests::all_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multi_try
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - MultiTry (line 19) ... ok
[INFO] [stdout] test src/lib.rs - MultiTry (line 31) ... ok
[INFO] [stdout] test src/lib.rs - MultiTry::and_try (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "294d155f3205e35cc7f834651554d5147008382da614fdc32143bfe7190f69c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294d155f3205e35cc7f834651554d5147008382da614fdc32143bfe7190f69c8", kill_on_drop: false }`
[INFO] [stdout] 294d155f3205e35cc7f834651554d5147008382da614fdc32143bfe7190f69c8