[INFO] fetching crate cargo-ensure-installed 0.2.1...
[INFO] testing cargo-ensure-installed-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-ensure-installed 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-ensure-installed 0.2.1 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-ensure-installed 0.2.1
[INFO] finished tweaking crates.io crate cargo-ensure-installed 0.2.1
[INFO] tweaked toml for crates.io crate cargo-ensure-installed 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] e9d3517bb260011ca2e7b8ff0f9dbcc39ef97042b7967a23935c889617c52c4d
[INFO] running `Command { std: "docker" "start" "-a" "e9d3517bb260011ca2e7b8ff0f9dbcc39ef97042b7967a23935c889617c52c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d3517bb260011ca2e7b8ff0f9dbcc39ef97042b7967a23935c889617c52c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d3517bb260011ca2e7b8ff0f9dbcc39ef97042b7967a23935c889617c52c4d", kill_on_drop: false }`
[INFO] [stdout] e9d3517bb260011ca2e7b8ff0f9dbcc39ef97042b7967a23935c889617c52c4d
[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] [stdout] 78e4ce065599445fc66fd1a2434f67f0b549d81aa5bceba88e8e9851dfe34668
[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" "78e4ce065599445fc66fd1a2434f67f0b549d81aa5bceba88e8e9851dfe34668", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-ensure-installed v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "78e4ce065599445fc66fd1a2434f67f0b549d81aa5bceba88e8e9851dfe34668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e4ce065599445fc66fd1a2434f67f0b549d81aa5bceba88e8e9851dfe34668", kill_on_drop: false }`
[INFO] [stdout] 78e4ce065599445fc66fd1a2434f67f0b549d81aa5bceba88e8e9851dfe34668
[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] eac2084ee3fa2afbfe4d3a563156ab4bd86283c703257ff0498fdcc3076dc8fb
[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" "eac2084ee3fa2afbfe4d3a563156ab4bd86283c703257ff0498fdcc3076dc8fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-ensure-installed v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "eac2084ee3fa2afbfe4d3a563156ab4bd86283c703257ff0498fdcc3076dc8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac2084ee3fa2afbfe4d3a563156ab4bd86283c703257ff0498fdcc3076dc8fb", kill_on_drop: false }`
[INFO] [stdout] eac2084ee3fa2afbfe4d3a563156ab4bd86283c703257ff0498fdcc3076dc8fb
[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] 8e9727a410afc2226709d640a8c904b85e80a23e92814661ecef92d653dae030
[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" "8e9727a410afc2226709d640a8c904b85e80a23e92814661ecef92d653dae030", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_ensure_installed-45220adbdf8cfae2
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::absent_package ... ok
[INFO] [stdout] test tests::have_newer_but_incompatible ... ok
[INFO] [stdout] test tests::no_contents ... ok
[INFO] [stdout] test tests::no_packages ... ok
[INFO] [stdout] test tests::exact_match ... ok
[INFO] [stdout] test tests::have_older ... ok
[INFO] [stdout] test tests::carat_unsatisfied ... ok
[INFO] [stdout] test tests::have_newer_but_compatible ... ok
[INFO] [stdout] test tests::carat_satisfied ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e9727a410afc2226709d640a8c904b85e80a23e92814661ecef92d653dae030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9727a410afc2226709d640a8c904b85e80a23e92814661ecef92d653dae030", kill_on_drop: false }`
[INFO] [stdout] 8e9727a410afc2226709d640a8c904b85e80a23e92814661ecef92d653dae030