[INFO] fetching crate rmux 0.1.0...
[INFO] testing rmux-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rmux 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rmux 0.1.0 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 rmux 0.1.0
[INFO] finished tweaking crates.io crate rmux 0.1.0
[INFO] tweaked toml for crates.io crate rmux 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rmux 0.1.0 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] 2b6ba03ad22f6f62c63d6d1d5943f2fb25d10721c5ce2081957893c81bfc70a9
[INFO] running `Command { std: "docker" "start" "-a" "2b6ba03ad22f6f62c63d6d1d5943f2fb25d10721c5ce2081957893c81bfc70a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b6ba03ad22f6f62c63d6d1d5943f2fb25d10721c5ce2081957893c81bfc70a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6ba03ad22f6f62c63d6d1d5943f2fb25d10721c5ce2081957893c81bfc70a9", kill_on_drop: false }`
[INFO] [stdout] 2b6ba03ad22f6f62c63d6d1d5943f2fb25d10721c5ce2081957893c81bfc70a9
[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] c7dc332392be544c2c5fe1204d5e44c3ae5ff94bbe76c9f8049377cb652c9101
[INFO] running `Command { std: "docker" "start" "-a" "c7dc332392be544c2c5fe1204d5e44c3ae5ff94bbe76c9f8049377cb652c9101", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "c7dc332392be544c2c5fe1204d5e44c3ae5ff94bbe76c9f8049377cb652c9101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7dc332392be544c2c5fe1204d5e44c3ae5ff94bbe76c9f8049377cb652c9101", kill_on_drop: false }`
[INFO] [stdout] c7dc332392be544c2c5fe1204d5e44c3ae5ff94bbe76c9f8049377cb652c9101
[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] cd7c8336dcd0d303cebb8592966d63f102511ad6168d6263e41f9147eece0a5f
[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" "cd7c8336dcd0d303cebb8592966d63f102511ad6168d6263e41f9147eece0a5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "cd7c8336dcd0d303cebb8592966d63f102511ad6168d6263e41f9147eece0a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7c8336dcd0d303cebb8592966d63f102511ad6168d6263e41f9147eece0a5f", kill_on_drop: false }`
[INFO] [stdout] cd7c8336dcd0d303cebb8592966d63f102511ad6168d6263e41f9147eece0a5f
[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] bb6854c42107e193b78dcfdf6774fda4200c762c4aefa50e842924ab792a8dd0
[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" "bb6854c42107e193b78dcfdf6774fda4200c762c4aefa50e842924ab792a8dd0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rmux-eb99d3bf644612e5
[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" "bb6854c42107e193b78dcfdf6774fda4200c762c4aefa50e842924ab792a8dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6854c42107e193b78dcfdf6774fda4200c762c4aefa50e842924ab792a8dd0", kill_on_drop: false }`
[INFO] [stdout] bb6854c42107e193b78dcfdf6774fda4200c762c4aefa50e842924ab792a8dd0