[INFO] fetching crate dmux 0.6.2...
[INFO] testing dmux-0.6.2 against 1.52.1 for beta-1.52-2
[INFO] extracting crate dmux 0.6.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dmux 0.6.2 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmux 0.6.2
[INFO] finished tweaking crates.io crate dmux 0.6.2
[INFO] tweaked toml for crates.io crate dmux 0.6.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dmux 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] bc172190aff00c0e68a410bebf51ad80519d7b3dfa5f3158ad2f425a10acfbc5
[INFO] running `Command { std: "docker" "start" "-a" "bc172190aff00c0e68a410bebf51ad80519d7b3dfa5f3158ad2f425a10acfbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc172190aff00c0e68a410bebf51ad80519d7b3dfa5f3158ad2f425a10acfbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc172190aff00c0e68a410bebf51ad80519d7b3dfa5f3158ad2f425a10acfbc5", kill_on_drop: false }`
[INFO] [stdout] bc172190aff00c0e68a410bebf51ad80519d7b3dfa5f3158ad2f425a10acfbc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3d34c3c7d1347bc1d272f6004f8dfb664f7b3db875b7bf997c91364c944f7b
[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" "3e3d34c3c7d1347bc1d272f6004f8dfb664f7b3db875b7bf997c91364c944f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling tmux_interface v0.0.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling grep-cli v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling dmux v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.42s
[INFO] running `Command { std: "docker" "inspect" "3e3d34c3c7d1347bc1d272f6004f8dfb664f7b3db875b7bf997c91364c944f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3d34c3c7d1347bc1d272f6004f8dfb664f7b3db875b7bf997c91364c944f7b", kill_on_drop: false }`
[INFO] [stdout] 3e3d34c3c7d1347bc1d272f6004f8dfb664f7b3db875b7bf997c91364c944f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 648525c5b98aba158c6177bcc088b7e437a101a05d08e1e9083178cf2b29c7aa
[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" "648525c5b98aba158c6177bcc088b7e437a101a05d08e1e9083178cf2b29c7aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling dmux v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "648525c5b98aba158c6177bcc088b7e437a101a05d08e1e9083178cf2b29c7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648525c5b98aba158c6177bcc088b7e437a101a05d08e1e9083178cf2b29c7aa", kill_on_drop: false }`
[INFO] [stdout] 648525c5b98aba158c6177bcc088b7e437a101a05d08e1e9083178cf2b29c7aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec92f7713aaa432efabf0257c5c2f0cdd3405f998ac97075eddaeb7c8384a4c2
[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" "ec92f7713aaa432efabf0257c5c2f0cdd3405f998ac97075eddaeb7c8384a4c2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dmux-21a183eb6ecedaec)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test git_url_to_dir_name_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec92f7713aaa432efabf0257c5c2f0cdd3405f998ac97075eddaeb7c8384a4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec92f7713aaa432efabf0257c5c2f0cdd3405f998ac97075eddaeb7c8384a4c2", kill_on_drop: false }`
[INFO] [stdout] ec92f7713aaa432efabf0257c5c2f0cdd3405f998ac97075eddaeb7c8384a4c2