[INFO] fetching crate env-extractor 0.0.7...
[INFO] testing env-extractor-0.0.7 against 1.47.0 for beta-1.48-1
[INFO] extracting crate env-extractor 0.0.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate env-extractor 0.0.7 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-extractor 0.0.7
[INFO] finished tweaking crates.io crate env-extractor 0.0.7
[INFO] tweaked toml for crates.io crate env-extractor 0.0.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97bc83164f5b7b92bfdcce7d5a6973d01943b0543d3791ba5c2d4a431f1bd014
[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" "97bc83164f5b7b92bfdcce7d5a6973d01943b0543d3791ba5c2d4a431f1bd014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97bc83164f5b7b92bfdcce7d5a6973d01943b0543d3791ba5c2d4a431f1bd014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bc83164f5b7b92bfdcce7d5a6973d01943b0543d3791ba5c2d4a431f1bd014", kill_on_drop: false }`
[INFO] [stdout] 97bc83164f5b7b92bfdcce7d5a6973d01943b0543d3791ba5c2d4a431f1bd014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] b688653ff84539979ee480e11f5e83cd5f11b569315a18a912386654546520bb
[INFO] running `Command { std: "docker" "start" "-a" "b688653ff84539979ee480e11f5e83cd5f11b569315a18a912386654546520bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-extractor v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "b688653ff84539979ee480e11f5e83cd5f11b569315a18a912386654546520bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b688653ff84539979ee480e11f5e83cd5f11b569315a18a912386654546520bb", kill_on_drop: false }`
[INFO] [stdout] b688653ff84539979ee480e11f5e83cd5f11b569315a18a912386654546520bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4dd1d11f70de435fd0a748411c7a985b12e6cb8b8b6d5c303285542bdaa5cdc
[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" "f4dd1d11f70de435fd0a748411c7a985b12e6cb8b8b6d5c303285542bdaa5cdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-extractor v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f4dd1d11f70de435fd0a748411c7a985b12e6cb8b8b6d5c303285542bdaa5cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4dd1d11f70de435fd0a748411c7a985b12e6cb8b8b6d5c303285542bdaa5cdc", kill_on_drop: false }`
[INFO] [stdout] f4dd1d11f70de435fd0a748411c7a985b12e6cb8b8b6d5c303285542bdaa5cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b97d7739cdd940ccd2a514dccf760e2ac8517895eb23fa3cf3825a0565c0666f
[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" "b97d7739cdd940ccd2a514dccf760e2ac8517895eb23fa3cf3825a0565c0666f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/env_extractor-d1eacb18f3203b7a
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests env-extractor
[INFO] [stdout] test tests::test_optional::return_none_if_not_found ... ok
[INFO] [stdout] test tests::test_optional::can_call_from_str_if_defined ... ok
[INFO] [stdout] test tests::test_required::can_call_from_str_if_defined ... ok
[INFO] [stdout] test tests::test_required::return_error_if_not_found ... ok
[INFO] [stdout] test tests::test_required::return_value_if_key_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "b97d7739cdd940ccd2a514dccf760e2ac8517895eb23fa3cf3825a0565c0666f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97d7739cdd940ccd2a514dccf760e2ac8517895eb23fa3cf3825a0565c0666f", kill_on_drop: false }`
[INFO] [stdout] b97d7739cdd940ccd2a514dccf760e2ac8517895eb23fa3cf3825a0565c0666f
