[INFO] fetching crate pkg6dev 0.0.1-placeholder...
[INFO] testing pkg6dev-0.0.1-placeholder against 1.49.0 for beta-1.50-1
[INFO] extracting crate pkg6dev 0.0.1-placeholder into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pkg6dev 0.0.1-placeholder 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 pkg6dev 0.0.1-placeholder
[INFO] finished tweaking crates.io crate pkg6dev 0.0.1-placeholder
[INFO] tweaked toml for crates.io crate pkg6dev 0.0.1-placeholder written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate pkg6dev 0.0.1-placeholder already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] c07331a4c84803e958dbbb40f5e3aa1c417e247a82c6f24c5e92a444ca2fad5e
[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" "c07331a4c84803e958dbbb40f5e3aa1c417e247a82c6f24c5e92a444ca2fad5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c07331a4c84803e958dbbb40f5e3aa1c417e247a82c6f24c5e92a444ca2fad5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07331a4c84803e958dbbb40f5e3aa1c417e247a82c6f24c5e92a444ca2fad5e", kill_on_drop: false }`
[INFO] [stdout] c07331a4c84803e958dbbb40f5e3aa1c417e247a82c6f24c5e92a444ca2fad5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 91d50dfa61dbbbc501d168bf4668d8193b0b3b84838293a8d9b3dbcc9afb80df
[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" "91d50dfa61dbbbc501d168bf4668d8193b0b3b84838293a8d9b3dbcc9afb80df", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg6dev v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "91d50dfa61dbbbc501d168bf4668d8193b0b3b84838293a8d9b3dbcc9afb80df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d50dfa61dbbbc501d168bf4668d8193b0b3b84838293a8d9b3dbcc9afb80df", kill_on_drop: false }`
[INFO] [stdout] 91d50dfa61dbbbc501d168bf4668d8193b0b3b84838293a8d9b3dbcc9afb80df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 025f2ccba12b0510c0da3397c3668a7ea2b8df0ca507b07de605668b26b46eca
[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" "025f2ccba12b0510c0da3397c3668a7ea2b8df0ca507b07de605668b26b46eca", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg6dev v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "025f2ccba12b0510c0da3397c3668a7ea2b8df0ca507b07de605668b26b46eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025f2ccba12b0510c0da3397c3668a7ea2b8df0ca507b07de605668b26b46eca", kill_on_drop: false }`
[INFO] [stdout] 025f2ccba12b0510c0da3397c3668a7ea2b8df0ca507b07de605668b26b46eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 66c777773be6a36a2048103d4340721708d92c19a670dddd1a2cd6abb2ddae90
[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" "66c777773be6a36a2048103d4340721708d92c19a670dddd1a2cd6abb2ddae90", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pkg6dev-04a343ccc55d75a2
[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" "66c777773be6a36a2048103d4340721708d92c19a670dddd1a2cd6abb2ddae90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c777773be6a36a2048103d4340721708d92c19a670dddd1a2cd6abb2ddae90", kill_on_drop: false }`
[INFO] [stdout] 66c777773be6a36a2048103d4340721708d92c19a670dddd1a2cd6abb2ddae90