[INFO] fetching crate near-contract-standards 4.0.0-pre.2...
[INFO] testing near-contract-standards-4.0.0-pre.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate near-contract-standards 4.0.0-pre.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate near-contract-standards 4.0.0-pre.2 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 near-contract-standards 4.0.0-pre.2
[INFO] finished tweaking crates.io crate near-contract-standards 4.0.0-pre.2
[INFO] tweaked toml for crates.io crate near-contract-standards 4.0.0-pre.2 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 968a1dcfdef4c750481023b8ef33282920c4a4caffdb2cdb8c0b0711c12fd1ec
[INFO] running `Command { std: "docker" "start" "-a" "968a1dcfdef4c750481023b8ef33282920c4a4caffdb2cdb8c0b0711c12fd1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968a1dcfdef4c750481023b8ef33282920c4a4caffdb2cdb8c0b0711c12fd1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968a1dcfdef4c750481023b8ef33282920c4a4caffdb2cdb8c0b0711c12fd1ec", kill_on_drop: false }`
[INFO] [stdout] 968a1dcfdef4c750481023b8ef33282920c4a4caffdb2cdb8c0b0711c12fd1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17d29c54de4d3c60249804cfb6401eaf07ee84135e1b465963061a74af5860c4
[INFO] running `Command { std: "docker" "start" "-a" "17d29c54de4d3c60249804cfb6401eaf07ee84135e1b465963061a74af5860c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling near-sdk v4.0.0-pre.2
[INFO] [stderr]    Compiling near-contract-standards v4.0.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "17d29c54de4d3c60249804cfb6401eaf07ee84135e1b465963061a74af5860c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d29c54de4d3c60249804cfb6401eaf07ee84135e1b465963061a74af5860c4", kill_on_drop: false }`
[INFO] [stdout] 17d29c54de4d3c60249804cfb6401eaf07ee84135e1b465963061a74af5860c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 024fce5158b95a6efdaa6a3d8901b7fe677d83f02682204fa7671a909a925bbd
[INFO] running `Command { std: "docker" "start" "-a" "024fce5158b95a6efdaa6a3d8901b7fe677d83f02682204fa7671a909a925bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling near-contract-standards v4.0.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "024fce5158b95a6efdaa6a3d8901b7fe677d83f02682204fa7671a909a925bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024fce5158b95a6efdaa6a3d8901b7fe677d83f02682204fa7671a909a925bbd", kill_on_drop: false }`
[INFO] [stdout] 024fce5158b95a6efdaa6a3d8901b7fe677d83f02682204fa7671a909a925bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 105d4843dcc05174afbab9fb9d8fd7c3f0984abbaffb006a5fbea1043bef078e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "105d4843dcc05174afbab9fb9d8fd7c3f0984abbaffb006a5fbea1043bef078e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/near_contract_standards-c798bca0b9b51d3f)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests near-contract-standards
[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" "105d4843dcc05174afbab9fb9d8fd7c3f0984abbaffb006a5fbea1043bef078e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105d4843dcc05174afbab9fb9d8fd7c3f0984abbaffb006a5fbea1043bef078e", kill_on_drop: false }`
[INFO] [stdout] 105d4843dcc05174afbab9fb9d8fd7c3f0984abbaffb006a5fbea1043bef078e