[INFO] fetching crate cargo-vsc 0.1.0...
[INFO] testing cargo-vsc-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-vsc 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-vsc 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 cargo-vsc 0.1.0
[INFO] finished tweaking crates.io crate cargo-vsc 0.1.0
[INFO] tweaked toml for crates.io crate cargo-vsc 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-vsc 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 12d03561eefd53ffabe40790e4371a7e5354b175a3a7bdc0c9641e4bf8c9b7bf
[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" "12d03561eefd53ffabe40790e4371a7e5354b175a3a7bdc0c9641e4bf8c9b7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12d03561eefd53ffabe40790e4371a7e5354b175a3a7bdc0c9641e4bf8c9b7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d03561eefd53ffabe40790e4371a7e5354b175a3a7bdc0c9641e4bf8c9b7bf", kill_on_drop: false }`
[INFO] [stdout] 12d03561eefd53ffabe40790e4371a7e5354b175a3a7bdc0c9641e4bf8c9b7bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 5db054a86d78cc5ac6ec613795f9b6ea7e76e6ddb7d7c24e3058fe832fe50659
[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" "5db054a86d78cc5ac6ec613795f9b6ea7e76e6ddb7d7c24e3058fe832fe50659", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling cargo-vsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.87s
[INFO] running `Command { std: "docker" "inspect" "5db054a86d78cc5ac6ec613795f9b6ea7e76e6ddb7d7c24e3058fe832fe50659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db054a86d78cc5ac6ec613795f9b6ea7e76e6ddb7d7c24e3058fe832fe50659", kill_on_drop: false }`
[INFO] [stdout] 5db054a86d78cc5ac6ec613795f9b6ea7e76e6ddb7d7c24e3058fe832fe50659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d199c1043f39e209343b63dc90a0215364101e1149cab0d5c894e62e823dcb2b
[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" "d199c1043f39e209343b63dc90a0215364101e1149cab0d5c894e62e823dcb2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-vsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "d199c1043f39e209343b63dc90a0215364101e1149cab0d5c894e62e823dcb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d199c1043f39e209343b63dc90a0215364101e1149cab0d5c894e62e823dcb2b", kill_on_drop: false }`
[INFO] [stdout] d199c1043f39e209343b63dc90a0215364101e1149cab0d5c894e62e823dcb2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 10eb065537f4a48c8c82591fb6e081e40d5b4f29f52cc858de1368586f48c69d
[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" "10eb065537f4a48c8c82591fb6e081e40d5b4f29f52cc858de1368586f48c69d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_vsc-5c60a936dab9ff88
[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" "10eb065537f4a48c8c82591fb6e081e40d5b4f29f52cc858de1368586f48c69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eb065537f4a48c8c82591fb6e081e40d5b4f29f52cc858de1368586f48c69d", kill_on_drop: false }`
[INFO] [stdout] 10eb065537f4a48c8c82591fb6e081e40d5b4f29f52cc858de1368586f48c69d