[INFO] fetching crate kani 0.0.0...
[INFO] testing kani-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate kani 0.0.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate kani 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 kani 0.0.0
[INFO] finished tweaking crates.io crate kani 0.0.0
[INFO] tweaked toml for crates.io crate kani 0.0.0 written to /workspace/builds/worker-22/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 9e1d5a95e7818dce21b5b5932e6bdbe98548cbc2602841ddcbe10e59a6719093
[INFO] running `Command { std: "docker" "start" "-a" "9e1d5a95e7818dce21b5b5932e6bdbe98548cbc2602841ddcbe10e59a6719093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1d5a95e7818dce21b5b5932e6bdbe98548cbc2602841ddcbe10e59a6719093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1d5a95e7818dce21b5b5932e6bdbe98548cbc2602841ddcbe10e59a6719093", kill_on_drop: false }`
[INFO] [stdout] 9e1d5a95e7818dce21b5b5932e6bdbe98548cbc2602841ddcbe10e59a6719093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 0aa54d35fb2b490975dcd6687f48901555c8f6e0b3083d01aa998be017092344
[INFO] running `Command { std: "docker" "start" "-a" "0aa54d35fb2b490975dcd6687f48901555c8f6e0b3083d01aa998be017092344", kill_on_drop: false }`
[INFO] [stderr]    Compiling kani v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0aa54d35fb2b490975dcd6687f48901555c8f6e0b3083d01aa998be017092344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa54d35fb2b490975dcd6687f48901555c8f6e0b3083d01aa998be017092344", kill_on_drop: false }`
[INFO] [stdout] 0aa54d35fb2b490975dcd6687f48901555c8f6e0b3083d01aa998be017092344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 4ad2a647870acad3b3ce3ca24e391aa49da4da06c61ec22dc427e1c018cf0207
[INFO] running `Command { std: "docker" "start" "-a" "4ad2a647870acad3b3ce3ca24e391aa49da4da06c61ec22dc427e1c018cf0207", kill_on_drop: false }`
[INFO] [stderr]    Compiling kani v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/kani-749da39301e0338d)
[INFO] running `Command { std: "docker" "inspect" "4ad2a647870acad3b3ce3ca24e391aa49da4da06c61ec22dc427e1c018cf0207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad2a647870acad3b3ce3ca24e391aa49da4da06c61ec22dc427e1c018cf0207", kill_on_drop: false }`
[INFO] [stdout] 4ad2a647870acad3b3ce3ca24e391aa49da4da06c61ec22dc427e1c018cf0207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 53d5e805ea33907759e5a1c8583ca0af8a206ffc0b6ff0c3c9489e604536a4fb
[INFO] running `Command { std: "docker" "start" "-a" "53d5e805ea33907759e5a1c8583ca0af8a206ffc0b6ff0c3c9489e604536a4fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kani-749da39301e0338d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kani
[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] [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" "53d5e805ea33907759e5a1c8583ca0af8a206ffc0b6ff0c3c9489e604536a4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d5e805ea33907759e5a1c8583ca0af8a206ffc0b6ff0c3c9489e604536a4fb", kill_on_drop: false }`
[INFO] [stdout] 53d5e805ea33907759e5a1c8583ca0af8a206ffc0b6ff0c3c9489e604536a4fb