[INFO] fetching crate cargo-docset 0.2.1...
[INFO] testing cargo-docset-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-docset 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-docset 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-docset 0.2.1
[INFO] finished tweaking crates.io crate cargo-docset 0.2.1
[INFO] tweaked toml for crates.io crate cargo-docset 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-docset 0.2.1 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-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" "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] [stdout] 22054c463ccf4c87eb9ed45751eefe70cd7dbeb59c978dec7a124d132b541c8c
[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" "22054c463ccf4c87eb9ed45751eefe70cd7dbeb59c978dec7a124d132b541c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22054c463ccf4c87eb9ed45751eefe70cd7dbeb59c978dec7a124d132b541c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22054c463ccf4c87eb9ed45751eefe70cd7dbeb59c978dec7a124d132b541c8c", kill_on_drop: false }`
[INFO] [stdout] 22054c463ccf4c87eb9ed45751eefe70cd7dbeb59c978dec7a124d132b541c8c
[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" "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] 1b0d4a0aa38aa4ac33e7007690d0de40c0e9d0e58ebf97dd77fef6fb92494c03
[INFO] running `Command { std: "docker" "start" "-a" "1b0d4a0aa38aa4ac33e7007690d0de40c0e9d0e58ebf97dd77fef6fb92494c03", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rusqlite v0.24.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling snafu v0.6.8
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling cargo-docset v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "1b0d4a0aa38aa4ac33e7007690d0de40c0e9d0e58ebf97dd77fef6fb92494c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0d4a0aa38aa4ac33e7007690d0de40c0e9d0e58ebf97dd77fef6fb92494c03", kill_on_drop: false }`
[INFO] [stdout] 1b0d4a0aa38aa4ac33e7007690d0de40c0e9d0e58ebf97dd77fef6fb92494c03
[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" "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] af5ad372588bf24512b6755a1cc24c713b1c97e6956c39ff36b7277c91a7e6dd
[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" "af5ad372588bf24512b6755a1cc24c713b1c97e6956c39ff36b7277c91a7e6dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-docset v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "af5ad372588bf24512b6755a1cc24c713b1c97e6956c39ff36b7277c91a7e6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5ad372588bf24512b6755a1cc24c713b1c97e6956c39ff36b7277c91a7e6dd", kill_on_drop: false }`
[INFO] [stdout] af5ad372588bf24512b6755a1cc24c713b1c97e6956c39ff36b7277c91a7e6dd
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 1eae0b2577435dd4899195eb4e6bf7f7b9c37d13da5d628b313a68fd132f478f
[INFO] running `Command { std: "docker" "start" "-a" "1eae0b2577435dd4899195eb4e6bf7f7b9c37d13da5d628b313a68fd132f478f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_docset-e17a83cd55934f72
[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" "1eae0b2577435dd4899195eb4e6bf7f7b9c37d13da5d628b313a68fd132f478f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eae0b2577435dd4899195eb4e6bf7f7b9c37d13da5d628b313a68fd132f478f", kill_on_drop: false }`
[INFO] [stdout] 1eae0b2577435dd4899195eb4e6bf7f7b9c37d13da5d628b313a68fd132f478f