[INFO] fetching crate kwargs 0.0.0...
[INFO] testing kwargs-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate kwargs 0.0.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate kwargs 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kwargs 0.0.0
[INFO] finished tweaking crates.io crate kwargs 0.0.0
[INFO] tweaked toml for crates.io crate kwargs 0.0.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96980a546e17b4104cf20aea98be8bade54a9907539062c633d13050a97f66b9
[INFO] running `Command { std: "docker" "start" "-a" "96980a546e17b4104cf20aea98be8bade54a9907539062c633d13050a97f66b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96980a546e17b4104cf20aea98be8bade54a9907539062c633d13050a97f66b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96980a546e17b4104cf20aea98be8bade54a9907539062c633d13050a97f66b9", kill_on_drop: false }`
[INFO] [stdout] 96980a546e17b4104cf20aea98be8bade54a9907539062c633d13050a97f66b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dd8d9edd9c184b4c9c1779f850737ec77b682da82eb487880ac5f2b857324e3
[INFO] running `Command { std: "docker" "start" "-a" "0dd8d9edd9c184b4c9c1779f850737ec77b682da82eb487880ac5f2b857324e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwargs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0dd8d9edd9c184b4c9c1779f850737ec77b682da82eb487880ac5f2b857324e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd8d9edd9c184b4c9c1779f850737ec77b682da82eb487880ac5f2b857324e3", kill_on_drop: false }`
[INFO] [stdout] 0dd8d9edd9c184b4c9c1779f850737ec77b682da82eb487880ac5f2b857324e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 623d99e57846982fc01fdc9b1c8c6cdd10e8daf9ab06b6a02a2b00bb519ababc
[INFO] running `Command { std: "docker" "start" "-a" "623d99e57846982fc01fdc9b1c8c6cdd10e8daf9ab06b6a02a2b00bb519ababc", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwargs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "623d99e57846982fc01fdc9b1c8c6cdd10e8daf9ab06b6a02a2b00bb519ababc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623d99e57846982fc01fdc9b1c8c6cdd10e8daf9ab06b6a02a2b00bb519ababc", kill_on_drop: false }`
[INFO] [stdout] 623d99e57846982fc01fdc9b1c8c6cdd10e8daf9ab06b6a02a2b00bb519ababc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94ee8591bf80f76b85b17caa617ade582fd69977ee62d7d6b5f6316bf255147e
[INFO] running `Command { std: "docker" "start" "-a" "94ee8591bf80f76b85b17caa617ade582fd69977ee62d7d6b5f6316bf255147e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kwargs-1a37073cebfc4510)
[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] [stderr]    Doc-tests kwargs
[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" "94ee8591bf80f76b85b17caa617ade582fd69977ee62d7d6b5f6316bf255147e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ee8591bf80f76b85b17caa617ade582fd69977ee62d7d6b5f6316bf255147e", kill_on_drop: false }`
[INFO] [stdout] 94ee8591bf80f76b85b17caa617ade582fd69977ee62d7d6b5f6316bf255147e