[INFO] fetching crate async-env 0.0.0...
[INFO] testing async-env-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-env 0.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate async-env 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-env 0.0.0
[INFO] finished tweaking crates.io crate async-env 0.0.0
[INFO] tweaked toml for crates.io crate async-env 0.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 348ca4d409de4e5613b2d95ac00b4b92f3b23bdd56cba87b0e2e4e2627841766
[INFO] running `Command { std: "docker" "start" "-a" "348ca4d409de4e5613b2d95ac00b4b92f3b23bdd56cba87b0e2e4e2627841766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "348ca4d409de4e5613b2d95ac00b4b92f3b23bdd56cba87b0e2e4e2627841766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348ca4d409de4e5613b2d95ac00b4b92f3b23bdd56cba87b0e2e4e2627841766", kill_on_drop: false }`
[INFO] [stdout] 348ca4d409de4e5613b2d95ac00b4b92f3b23bdd56cba87b0e2e4e2627841766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a23b579112fa758c77b6ae3f8af216d74360ec0f5b4efcdb935be14255f5ef21
[INFO] running `Command { std: "docker" "start" "-a" "a23b579112fa758c77b6ae3f8af216d74360ec0f5b4efcdb935be14255f5ef21", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-env v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a23b579112fa758c77b6ae3f8af216d74360ec0f5b4efcdb935be14255f5ef21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23b579112fa758c77b6ae3f8af216d74360ec0f5b4efcdb935be14255f5ef21", kill_on_drop: false }`
[INFO] [stdout] a23b579112fa758c77b6ae3f8af216d74360ec0f5b4efcdb935be14255f5ef21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdf1d5ced503921c1279567da65a8e46a3589407ee7fc2705705598791ee294e
[INFO] running `Command { std: "docker" "start" "-a" "bdf1d5ced503921c1279567da65a8e46a3589407ee7fc2705705598791ee294e", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-env v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "bdf1d5ced503921c1279567da65a8e46a3589407ee7fc2705705598791ee294e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf1d5ced503921c1279567da65a8e46a3589407ee7fc2705705598791ee294e", kill_on_drop: false }`
[INFO] [stdout] bdf1d5ced503921c1279567da65a8e46a3589407ee7fc2705705598791ee294e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b46f7d32e9a977c8237370d604a6e2476d7b89abc01d9c63188950cebabf471
[INFO] running `Command { std: "docker" "start" "-a" "0b46f7d32e9a977c8237370d604a6e2476d7b89abc01d9c63188950cebabf471", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_env-e1730ae0f38bec2c)
[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" "0b46f7d32e9a977c8237370d604a6e2476d7b89abc01d9c63188950cebabf471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b46f7d32e9a977c8237370d604a6e2476d7b89abc01d9c63188950cebabf471", kill_on_drop: false }`
[INFO] [stdout] 0b46f7d32e9a977c8237370d604a6e2476d7b89abc01d9c63188950cebabf471