[INFO] fetching crate envopt-derive 0.0.0...
[INFO] testing envopt-derive-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate envopt-derive 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate envopt-derive 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate envopt-derive 0.0.0
[INFO] finished tweaking crates.io crate envopt-derive 0.0.0
[INFO] tweaked toml for crates.io crate envopt-derive 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10ca573c5fccfb4df3869ac4e29a34e5cac5e91177fc3796bdbf0f94838cc4d
[INFO] running `Command { std: "docker" "start" "-a" "b10ca573c5fccfb4df3869ac4e29a34e5cac5e91177fc3796bdbf0f94838cc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10ca573c5fccfb4df3869ac4e29a34e5cac5e91177fc3796bdbf0f94838cc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10ca573c5fccfb4df3869ac4e29a34e5cac5e91177fc3796bdbf0f94838cc4d", kill_on_drop: false }`
[INFO] [stdout] b10ca573c5fccfb4df3869ac4e29a34e5cac5e91177fc3796bdbf0f94838cc4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80177b424e72a43775f3ba9a8897e874c5e90e8608feaadb68a7331d417f3e15
[INFO] running `Command { std: "docker" "start" "-a" "80177b424e72a43775f3ba9a8897e874c5e90e8608feaadb68a7331d417f3e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling envopt-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "80177b424e72a43775f3ba9a8897e874c5e90e8608feaadb68a7331d417f3e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80177b424e72a43775f3ba9a8897e874c5e90e8608feaadb68a7331d417f3e15", kill_on_drop: false }`
[INFO] [stdout] 80177b424e72a43775f3ba9a8897e874c5e90e8608feaadb68a7331d417f3e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 389eb0317aedd3918f25a85930836a4074bd381e1f75fa2a53cc698e0cc0d154
[INFO] running `Command { std: "docker" "start" "-a" "389eb0317aedd3918f25a85930836a4074bd381e1f75fa2a53cc698e0cc0d154", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling envopt-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "389eb0317aedd3918f25a85930836a4074bd381e1f75fa2a53cc698e0cc0d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389eb0317aedd3918f25a85930836a4074bd381e1f75fa2a53cc698e0cc0d154", kill_on_drop: false }`
[INFO] [stdout] 389eb0317aedd3918f25a85930836a4074bd381e1f75fa2a53cc698e0cc0d154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cd8efd93b5511debf9f445848326d4c777b793df51dd5db3e3eebfbd29f98a7
[INFO] running `Command { std: "docker" "start" "-a" "6cd8efd93b5511debf9f445848326d4c777b793df51dd5db3e3eebfbd29f98a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/envopt_derive-1d99e402f98c17bc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests envopt-derive
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cd8efd93b5511debf9f445848326d4c777b793df51dd5db3e3eebfbd29f98a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd8efd93b5511debf9f445848326d4c777b793df51dd5db3e3eebfbd29f98a7", kill_on_drop: false }`
[INFO] [stdout] 6cd8efd93b5511debf9f445848326d4c777b793df51dd5db3e3eebfbd29f98a7