[INFO] fetching crate bitty 1.0.0...
[INFO] testing bitty-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitty 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bitty 1.0.0 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 bitty 1.0.0
[INFO] finished tweaking crates.io crate bitty 1.0.0
[INFO] tweaked toml for crates.io crate bitty 1.0.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0799a906681237bd9915d0cf2e646305da07efedb25d6073a7ef25aee3d86e3b
[INFO] running `Command { std: "docker" "start" "-a" "0799a906681237bd9915d0cf2e646305da07efedb25d6073a7ef25aee3d86e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0799a906681237bd9915d0cf2e646305da07efedb25d6073a7ef25aee3d86e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0799a906681237bd9915d0cf2e646305da07efedb25d6073a7ef25aee3d86e3b", kill_on_drop: false }`
[INFO] [stdout] 0799a906681237bd9915d0cf2e646305da07efedb25d6073a7ef25aee3d86e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bdb8af111c02591bdb0e83fdd4601f40fb3c56171327785159fb0dcc90fb0530
[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" "bdb8af111c02591bdb0e83fdd4601f40fb3c56171327785159fb0dcc90fb0530", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitty v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "bdb8af111c02591bdb0e83fdd4601f40fb3c56171327785159fb0dcc90fb0530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb8af111c02591bdb0e83fdd4601f40fb3c56171327785159fb0dcc90fb0530", kill_on_drop: false }`
[INFO] [stdout] bdb8af111c02591bdb0e83fdd4601f40fb3c56171327785159fb0dcc90fb0530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] f124e69c61a2a02a5941ca88bd0666211dc700070e49f4345b525c6d208f6b75
[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" "f124e69c61a2a02a5941ca88bd0666211dc700070e49f4345b525c6d208f6b75", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitty v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "f124e69c61a2a02a5941ca88bd0666211dc700070e49f4345b525c6d208f6b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f124e69c61a2a02a5941ca88bd0666211dc700070e49f4345b525c6d208f6b75", kill_on_drop: false }`
[INFO] [stdout] f124e69c61a2a02a5941ca88bd0666211dc700070e49f4345b525c6d208f6b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4531e19664934e77de6def244816ad7db77853194faf452af1347bc6b84ddf4
[INFO] running `Command { std: "docker" "start" "-a" "f4531e19664934e77de6def244816ad7db77853194faf452af1347bc6b84ddf4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitty-d5154f92c1af9fe0
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests bitty
[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 8 tests
[INFO] [stdout] test src/lib.rs - traits::FromBits::from_bits (line 106) ... ok
[INFO] [stdout] test src/lib.rs - traits::AsBits::as_bits (line 49) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - traits::FromBits::from_bits_unchecked (line 124) ... ok
[INFO] [stdout] test src/lib.rs - traits::AsBits::as_bits_until_unchecked (line 84) ... ok
[INFO] [stdout] test src/lib.rs - traits::AsBits::as_bits_until (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4531e19664934e77de6def244816ad7db77853194faf452af1347bc6b84ddf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4531e19664934e77de6def244816ad7db77853194faf452af1347bc6b84ddf4", kill_on_drop: false }`
[INFO] [stdout] f4531e19664934e77de6def244816ad7db77853194faf452af1347bc6b84ddf4