[INFO] fetching crate triable 0.1.2...
[INFO] testing triable-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate triable 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate triable 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 triable 0.1.2
[INFO] finished tweaking crates.io crate triable 0.1.2
[INFO] tweaked toml for crates.io crate triable 0.1.2 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 86994fd4cc54df3004f0fe16ede1702ff7c688d6a31cc95a7eea44ec67e757a1
[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" "86994fd4cc54df3004f0fe16ede1702ff7c688d6a31cc95a7eea44ec67e757a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86994fd4cc54df3004f0fe16ede1702ff7c688d6a31cc95a7eea44ec67e757a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86994fd4cc54df3004f0fe16ede1702ff7c688d6a31cc95a7eea44ec67e757a1", kill_on_drop: false }`
[INFO] [stdout] 86994fd4cc54df3004f0fe16ede1702ff7c688d6a31cc95a7eea44ec67e757a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 178fa9edee912d723c4f281bae91656ae5926d443053ef09063997ca80982ac6
[INFO] running `Command { std: "docker" "start" "-a" "178fa9edee912d723c4f281bae91656ae5926d443053ef09063997ca80982ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling triable v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "178fa9edee912d723c4f281bae91656ae5926d443053ef09063997ca80982ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178fa9edee912d723c4f281bae91656ae5926d443053ef09063997ca80982ac6", kill_on_drop: false }`
[INFO] [stdout] 178fa9edee912d723c4f281bae91656ae5926d443053ef09063997ca80982ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 88ca64cc120b64e913c68d196318454df4cbee7203034d4fd65c152b015ef401
[INFO] running `Command { std: "docker" "start" "-a" "88ca64cc120b64e913c68d196318454df4cbee7203034d4fd65c152b015ef401", kill_on_drop: false }`
[INFO] [stderr]    Compiling triable v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "88ca64cc120b64e913c68d196318454df4cbee7203034d4fd65c152b015ef401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ca64cc120b64e913c68d196318454df4cbee7203034d4fd65c152b015ef401", kill_on_drop: false }`
[INFO] [stdout] 88ca64cc120b64e913c68d196318454df4cbee7203034d4fd65c152b015ef401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bb83b90bba21ea64874963a535e2bd246d22c83f19fef2f106de74120e47f96d
[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" "bb83b90bba21ea64874963a535e2bd246d22c83f19fef2f106de74120e47f96d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/triable-96b57b5b77b5bb8c
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test option_to_bool ... ok
[INFO] [stdout] test option_to_result ... ok
[INFO] [stdout] test result_to_option ... ok
[INFO] [stdout] test option ... ok
[INFO] [stdout] test result_to_bool ... ok
[INFO] [stdout] test bool_to_option ... ok
[INFO] [stdout] test result ... ok
[INFO] [stdout] test bool_to_result ... ok
[INFO] [stdout] test bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb83b90bba21ea64874963a535e2bd246d22c83f19fef2f106de74120e47f96d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb83b90bba21ea64874963a535e2bd246d22c83f19fef2f106de74120e47f96d", kill_on_drop: false }`
[INFO] [stdout] bb83b90bba21ea64874963a535e2bd246d22c83f19fef2f106de74120e47f96d