[INFO] fetching crate masquerade 0.1.0...
[INFO] testing masquerade-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate masquerade 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate masquerade 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 masquerade 0.1.0
[INFO] finished tweaking crates.io crate masquerade 0.1.0
[INFO] tweaked toml for crates.io crate masquerade 0.1.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3f26dc634845079be4ac522fb8aa3ff70c0815cbd62b498de4727cf2d1a2a16
[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" "c3f26dc634845079be4ac522fb8aa3ff70c0815cbd62b498de4727cf2d1a2a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3f26dc634845079be4ac522fb8aa3ff70c0815cbd62b498de4727cf2d1a2a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f26dc634845079be4ac522fb8aa3ff70c0815cbd62b498de4727cf2d1a2a16", kill_on_drop: false }`
[INFO] [stdout] c3f26dc634845079be4ac522fb8aa3ff70c0815cbd62b498de4727cf2d1a2a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] bd704d3a0975d24e71cad1f3e4d1a207f305311f379a92eb2a8a276ab5664f6a
[INFO] running `Command { std: "docker" "start" "-a" "bd704d3a0975d24e71cad1f3e4d1a207f305311f379a92eb2a8a276ab5664f6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling masquerade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "bd704d3a0975d24e71cad1f3e4d1a207f305311f379a92eb2a8a276ab5664f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd704d3a0975d24e71cad1f3e4d1a207f305311f379a92eb2a8a276ab5664f6a", kill_on_drop: false }`
[INFO] [stdout] bd704d3a0975d24e71cad1f3e4d1a207f305311f379a92eb2a8a276ab5664f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46bd03373b907ab2ed0e2551a15a683ffc22ad18fa5136ad009c7dc6c16c749e
[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" "46bd03373b907ab2ed0e2551a15a683ffc22ad18fa5136ad009c7dc6c16c749e", kill_on_drop: false }`
[INFO] [stderr]    Compiling masquerade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "46bd03373b907ab2ed0e2551a15a683ffc22ad18fa5136ad009c7dc6c16c749e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bd03373b907ab2ed0e2551a15a683ffc22ad18fa5136ad009c7dc6c16c749e", kill_on_drop: false }`
[INFO] [stdout] 46bd03373b907ab2ed0e2551a15a683ffc22ad18fa5136ad009c7dc6c16c749e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] f29ecf0879dbe2d74a2024a0ad5ed465350c4140f7e85cea6d63e94b614e36f1
[INFO] running `Command { std: "docker" "start" "-a" "f29ecf0879dbe2d74a2024a0ad5ed465350c4140f7e85cea6d63e94b614e36f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/masquerade-4c6eaf9efe19fae5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests masquerade
[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" "f29ecf0879dbe2d74a2024a0ad5ed465350c4140f7e85cea6d63e94b614e36f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29ecf0879dbe2d74a2024a0ad5ed465350c4140f7e85cea6d63e94b614e36f1", kill_on_drop: false }`
[INFO] [stdout] f29ecf0879dbe2d74a2024a0ad5ed465350c4140f7e85cea6d63e94b614e36f1