[INFO] fetching crate env-extractor 0.0.7...
[INFO] testing env-extractor-0.0.7 against 1.90.0 for beta-1.91-3
[INFO] extracting crate env-extractor 0.0.7 into /workspace/builds/worker-4-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate env-extractor 0.0.7 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2383e6798fb0c2cd2d693f04b3affcafafe1df9b909ab200d5d1b9830c9a4e
[INFO] running `Command { std: "docker" "start" "-a" "ac2383e6798fb0c2cd2d693f04b3affcafafe1df9b909ab200d5d1b9830c9a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2383e6798fb0c2cd2d693f04b3affcafafe1df9b909ab200d5d1b9830c9a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2383e6798fb0c2cd2d693f04b3affcafafe1df9b909ab200d5d1b9830c9a4e", kill_on_drop: false }`
[INFO] [stdout] ac2383e6798fb0c2cd2d693f04b3affcafafe1df9b909ab200d5d1b9830c9a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836e914ba04927507a36c7fb95c2c1bb1fc3e678f7f553eb6ddca8f73f7519ca
[INFO] running `Command { std: "docker" "start" "-a" "836e914ba04927507a36c7fb95c2c1bb1fc3e678f7f553eb6ddca8f73f7519ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-extractor v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "836e914ba04927507a36c7fb95c2c1bb1fc3e678f7f553eb6ddca8f73f7519ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836e914ba04927507a36c7fb95c2c1bb1fc3e678f7f553eb6ddca8f73f7519ca", kill_on_drop: false }`
[INFO] [stdout] 836e914ba04927507a36c7fb95c2c1bb1fc3e678f7f553eb6ddca8f73f7519ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 900c46f142201f313fa02c0ce42109864132714431834e564106f37e53376573
[INFO] running `Command { std: "docker" "start" "-a" "900c46f142201f313fa02c0ce42109864132714431834e564106f37e53376573", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-extractor v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "900c46f142201f313fa02c0ce42109864132714431834e564106f37e53376573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900c46f142201f313fa02c0ce42109864132714431834e564106f37e53376573", kill_on_drop: false }`
[INFO] [stdout] 900c46f142201f313fa02c0ce42109864132714431834e564106f37e53376573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7f7411b479ace45a74c1686e221e8030c0069ca454398256e1e4b87ab6078aa
[INFO] running `Command { std: "docker" "start" "-a" "f7f7411b479ace45a74c1686e221e8030c0069ca454398256e1e4b87ab6078aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_extractor-46a409bdb79c4dc4)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_optional::can_call_from_str_if_defined ... ok
[INFO] [stdout] test tests::test_optional::return_none_if_not_found ... ok
[INFO] [stdout] test tests::test_required::return_error_if_not_found ... ok
[INFO] [stdout] test tests::test_required::can_call_from_str_if_defined ... ok
[INFO] [stderr]    Doc-tests env_extractor
[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; finished in 0.01s
[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" "f7f7411b479ace45a74c1686e221e8030c0069ca454398256e1e4b87ab6078aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f7411b479ace45a74c1686e221e8030c0069ca454398256e1e4b87ab6078aa", kill_on_drop: false }`
[INFO] [stdout] f7f7411b479ace45a74c1686e221e8030c0069ca454398256e1e4b87ab6078aa