[INFO] crate studyhall 999999999.999999999.999999999 is already in cache
[INFO] testing studyhall-999999999.999999999.999999999 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate studyhall 999999999.999999999.999999999 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate studyhall 999999999.999999999.999999999 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 studyhall 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate studyhall 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate studyhall 999999999.999999999.999999999 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate studyhall 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 84a992ae621da2dbe3c4695e114a9e70329f17516280ad9488dbe909c8e6cf4a
[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" "84a992ae621da2dbe3c4695e114a9e70329f17516280ad9488dbe909c8e6cf4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a992ae621da2dbe3c4695e114a9e70329f17516280ad9488dbe909c8e6cf4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a992ae621da2dbe3c4695e114a9e70329f17516280ad9488dbe909c8e6cf4a", kill_on_drop: false }`
[INFO] [stdout] 84a992ae621da2dbe3c4695e114a9e70329f17516280ad9488dbe909c8e6cf4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5c295894b659caf54bd85cb9bb6178e4df249f23e332dc62a334a21c708d1719
[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" "5c295894b659caf54bd85cb9bb6178e4df249f23e332dc62a334a21c708d1719", kill_on_drop: false }`
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "5c295894b659caf54bd85cb9bb6178e4df249f23e332dc62a334a21c708d1719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c295894b659caf54bd85cb9bb6178e4df249f23e332dc62a334a21c708d1719", kill_on_drop: false }`
[INFO] [stdout] 5c295894b659caf54bd85cb9bb6178e4df249f23e332dc62a334a21c708d1719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] dfa9c77f21587666b3857c178c48cc8eeec6c27c24837b34d33119db8906ba54
[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" "dfa9c77f21587666b3857c178c48cc8eeec6c27c24837b34d33119db8906ba54", kill_on_drop: false }`
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "dfa9c77f21587666b3857c178c48cc8eeec6c27c24837b34d33119db8906ba54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa9c77f21587666b3857c178c48cc8eeec6c27c24837b34d33119db8906ba54", kill_on_drop: false }`
[INFO] [stdout] dfa9c77f21587666b3857c178c48cc8eeec6c27c24837b34d33119db8906ba54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 82267d64787e52b8742439a4413bec92d9dd3b467c9e9471b9632107392182d7
[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" "82267d64787e52b8742439a4413bec92d9dd3b467c9e9471b9632107392182d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/studyhall-076eadb3133bf3b2
[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] running `Command { std: "docker" "inspect" "82267d64787e52b8742439a4413bec92d9dd3b467c9e9471b9632107392182d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82267d64787e52b8742439a4413bec92d9dd3b467c9e9471b9632107392182d7", kill_on_drop: false }`
[INFO] [stdout] 82267d64787e52b8742439a4413bec92d9dd3b467c9e9471b9632107392182d7