[INFO] fetching crate cargo-container 0.0.0...
[INFO] testing cargo-container-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-container 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-container 0.0.0 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 cargo-container 0.0.0
[INFO] finished tweaking crates.io crate cargo-container 0.0.0
[INFO] tweaked toml for crates.io crate cargo-container 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-container 0.0.0 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4919b78d01ad719e91957452c84ebaeeeb44dff1aec47f1fdebc5ba84f9ddec4
[INFO] running `Command { std: "docker" "start" "-a" "4919b78d01ad719e91957452c84ebaeeeb44dff1aec47f1fdebc5ba84f9ddec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4919b78d01ad719e91957452c84ebaeeeb44dff1aec47f1fdebc5ba84f9ddec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4919b78d01ad719e91957452c84ebaeeeb44dff1aec47f1fdebc5ba84f9ddec4", kill_on_drop: false }`
[INFO] [stdout] 4919b78d01ad719e91957452c84ebaeeeb44dff1aec47f1fdebc5ba84f9ddec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99ca55f04f2ddb0ba02b7dc13fe864e952254aa4fc8a588d1bb84829da429374
[INFO] running `Command { std: "docker" "start" "-a" "99ca55f04f2ddb0ba02b7dc13fe864e952254aa4fc8a588d1bb84829da429374", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling cargo-local-install v0.1.7
[INFO] [stderr]    Compiling mmrbi v0.0.5
[INFO] [stderr]    Compiling cargo-container v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.77s
[INFO] running `Command { std: "docker" "inspect" "99ca55f04f2ddb0ba02b7dc13fe864e952254aa4fc8a588d1bb84829da429374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ca55f04f2ddb0ba02b7dc13fe864e952254aa4fc8a588d1bb84829da429374", kill_on_drop: false }`
[INFO] [stdout] 99ca55f04f2ddb0ba02b7dc13fe864e952254aa4fc8a588d1bb84829da429374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1c1812f91d1314761796c8ebd830ce2e1cac1f86637bf28047d7d1d85ffc46ce
[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" "1c1812f91d1314761796c8ebd830ce2e1cac1f86637bf28047d7d1d85ffc46ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-container v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "1c1812f91d1314761796c8ebd830ce2e1cac1f86637bf28047d7d1d85ffc46ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1812f91d1314761796c8ebd830ce2e1cac1f86637bf28047d7d1d85ffc46ce", kill_on_drop: false }`
[INFO] [stdout] 1c1812f91d1314761796c8ebd830ce2e1cac1f86637bf28047d7d1d85ffc46ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 76ed5bd6217bf5b88a5cf407a21b8f52899138f7fc10ea5a699fcd93201d5ffc
[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" "76ed5bd6217bf5b88a5cf407a21b8f52899138f7fc10ea5a699fcd93201d5ffc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_container-51c775e8315dbdf5
[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" "76ed5bd6217bf5b88a5cf407a21b8f52899138f7fc10ea5a699fcd93201d5ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ed5bd6217bf5b88a5cf407a21b8f52899138f7fc10ea5a699fcd93201d5ffc", kill_on_drop: false }`
[INFO] [stdout] 76ed5bd6217bf5b88a5cf407a21b8f52899138f7fc10ea5a699fcd93201d5ffc