[INFO] crate rgb-io 0.2.0 is already in cache
[INFO] testing rgb-io-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rgb-io 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rgb-io 0.2.0 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 rgb-io 0.2.0
[INFO] finished tweaking crates.io crate rgb-io 0.2.0
[INFO] tweaked toml for crates.io crate rgb-io 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rgb-io 0.2.0 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-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" "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] 12ec09e53fc4a9beebc70bf4c5a6685c90fbe79e86ccbfb643f4dd639bf02ee8
[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" "12ec09e53fc4a9beebc70bf4c5a6685c90fbe79e86ccbfb643f4dd639bf02ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12ec09e53fc4a9beebc70bf4c5a6685c90fbe79e86ccbfb643f4dd639bf02ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ec09e53fc4a9beebc70bf4c5a6685c90fbe79e86ccbfb643f4dd639bf02ee8", kill_on_drop: false }`
[INFO] [stdout] 12ec09e53fc4a9beebc70bf4c5a6685c90fbe79e86ccbfb643f4dd639bf02ee8
[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" "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] bb76773640fe169c4ff936c3fed39b225aa82687cfa7097ec30dfa2fee1220e6
[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" "bb76773640fe169c4ff936c3fed39b225aa82687cfa7097ec30dfa2fee1220e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb-io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "bb76773640fe169c4ff936c3fed39b225aa82687cfa7097ec30dfa2fee1220e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb76773640fe169c4ff936c3fed39b225aa82687cfa7097ec30dfa2fee1220e6", kill_on_drop: false }`
[INFO] [stdout] bb76773640fe169c4ff936c3fed39b225aa82687cfa7097ec30dfa2fee1220e6
[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" "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] d033c9ff336084a5e8833e981eb61296ea9e027ccd4d2f6c94cf0ee3127ea6af
[INFO] running `Command { std: "docker" "start" "-a" "d033c9ff336084a5e8833e981eb61296ea9e027ccd4d2f6c94cf0ee3127ea6af", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb-io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "d033c9ff336084a5e8833e981eb61296ea9e027ccd4d2f6c94cf0ee3127ea6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d033c9ff336084a5e8833e981eb61296ea9e027ccd4d2f6c94cf0ee3127ea6af", kill_on_drop: false }`
[INFO] [stdout] d033c9ff336084a5e8833e981eb61296ea9e027ccd4d2f6c94cf0ee3127ea6af
[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" "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] 46ad6684cc5abc8510484cbef3c17e0029ced9117c3803f0d61b510ec01ce36f
[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" "46ad6684cc5abc8510484cbef3c17e0029ced9117c3803f0d61b510ec01ce36f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rgb_io-196ac85f2d43a2a6
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stderr]    Doc-tests rgb-io
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "46ad6684cc5abc8510484cbef3c17e0029ced9117c3803f0d61b510ec01ce36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ad6684cc5abc8510484cbef3c17e0029ced9117c3803f0d61b510ec01ce36f", kill_on_drop: false }`
[INFO] [stdout] 46ad6684cc5abc8510484cbef3c17e0029ced9117c3803f0d61b510ec01ce36f