[INFO] fetching crate rack-contracts-rpc 0.0.0...
[INFO] testing rack-contracts-rpc-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rack-contracts-rpc 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rack-contracts-rpc 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rack-contracts-rpc 0.0.0
[INFO] finished tweaking crates.io crate rack-contracts-rpc 0.0.0
[INFO] tweaked toml for crates.io crate rack-contracts-rpc 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c77d95be9963e1ed3cf3bcc6bb19fee3fcfdd246ba08d027ec8d79677c31be9
[INFO] running `Command { std: "docker" "start" "-a" "9c77d95be9963e1ed3cf3bcc6bb19fee3fcfdd246ba08d027ec8d79677c31be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c77d95be9963e1ed3cf3bcc6bb19fee3fcfdd246ba08d027ec8d79677c31be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c77d95be9963e1ed3cf3bcc6bb19fee3fcfdd246ba08d027ec8d79677c31be9", kill_on_drop: false }`
[INFO] [stdout] 9c77d95be9963e1ed3cf3bcc6bb19fee3fcfdd246ba08d027ec8d79677c31be9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8494c26e191a38463b461dc5cb61fbed6e0f90af921c2fd449daa8748db67ab
[INFO] running `Command { std: "docker" "start" "-a" "a8494c26e191a38463b461dc5cb61fbed6e0f90af921c2fd449daa8748db67ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-contracts-rpc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a8494c26e191a38463b461dc5cb61fbed6e0f90af921c2fd449daa8748db67ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8494c26e191a38463b461dc5cb61fbed6e0f90af921c2fd449daa8748db67ab", kill_on_drop: false }`
[INFO] [stdout] a8494c26e191a38463b461dc5cb61fbed6e0f90af921c2fd449daa8748db67ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2b9f5cd622eab831808446b925bd67510eab8c5c2e2706668df186c2136f4b
[INFO] running `Command { std: "docker" "start" "-a" "8c2b9f5cd622eab831808446b925bd67510eab8c5c2e2706668df186c2136f4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-contracts-rpc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rack_contracts_rpc-c0359bf5d525eec5)
[INFO] running `Command { std: "docker" "inspect" "8c2b9f5cd622eab831808446b925bd67510eab8c5c2e2706668df186c2136f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2b9f5cd622eab831808446b925bd67510eab8c5c2e2706668df186c2136f4b", kill_on_drop: false }`
[INFO] [stdout] 8c2b9f5cd622eab831808446b925bd67510eab8c5c2e2706668df186c2136f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2fdb105f467879fa7a5ea559cb05f230079d3daf1cba43985119134c45f4383
[INFO] running `Command { std: "docker" "start" "-a" "c2fdb105f467879fa7a5ea559cb05f230079d3daf1cba43985119134c45f4383", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rack_contracts_rpc-c0359bf5d525eec5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests rack-contracts-rpc
[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" "c2fdb105f467879fa7a5ea559cb05f230079d3daf1cba43985119134c45f4383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fdb105f467879fa7a5ea559cb05f230079d3daf1cba43985119134c45f4383", kill_on_drop: false }`
[INFO] [stdout] c2fdb105f467879fa7a5ea559cb05f230079d3daf1cba43985119134c45f4383