[INFO] fetching crate sc-keystore 2.0.0-rc2...
[INFO] testing sc-keystore-2.0.0-rc2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate sc-keystore 2.0.0-rc2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sc-keystore 2.0.0-rc2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sc-keystore 2.0.0-rc2
[INFO] finished tweaking crates.io crate sc-keystore 2.0.0-rc2
[INFO] tweaked toml for crates.io crate sc-keystore 2.0.0-rc2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dc0a7c8ffd807c8faf05e28a523b8c3bfe762f0e89eeb5114648c6f97e2459f
[INFO] running `"docker" "start" "-a" "2dc0a7c8ffd807c8faf05e28a523b8c3bfe762f0e89eeb5114648c6f97e2459f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling sp-std v2.0.0-rc2
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling environmental v1.1.1
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling uint v0.8.3
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling sp-panic-handler v2.0.0-rc2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling fixed-hash v0.6.1
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling trie-db v0.20.1
[INFO] [stderr]    Compiling wasmi-validation v0.3.0
[INFO] [stderr]    Compiling wasmi v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-rc2
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling ref-cast v1.0.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling merlin v2.0.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling sp-tracing v2.0.0-rc2
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling substrate-bip39 v0.4.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling sp-storage v2.0.0-rc2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0-rc2
[INFO] [stderr]    Compiling parity-scale-codec v1.3.0
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling sp-externalities v0.8.0-rc2
[INFO] [stderr]    Compiling sp-wasm-interface v2.0.0-rc2
[INFO] [stderr]    Compiling primitive-types v0.7.2
[INFO] [stderr]    Compiling sp-runtime-interface v2.0.0-rc2
[INFO] [stderr]    Compiling memory-db v0.20.1
[INFO] [stderr]    Compiling sp-core v2.0.0-rc2
[INFO] [stderr]    Compiling sp-trie v2.0.0-rc2
[INFO] [stderr]    Compiling sp-state-machine v0.8.0-rc2
[INFO] [stderr]    Compiling sp-io v2.0.0-rc2
[INFO] [stderr]    Compiling sp-application-crypto v2.0.0-rc2
[INFO] [stderr]    Compiling sc-keystore v2.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 01s
[INFO] running `"docker" "inspect" "2dc0a7c8ffd807c8faf05e28a523b8c3bfe762f0e89eeb5114648c6f97e2459f"`
[INFO] running `"docker" "rm" "-f" "2dc0a7c8ffd807c8faf05e28a523b8c3bfe762f0e89eeb5114648c6f97e2459f"`
[INFO] [stdout] 2dc0a7c8ffd807c8faf05e28a523b8c3bfe762f0e89eeb5114648c6f97e2459f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] b4ce5469f9240af37e6b89c7b549d477923917f838f70e25f7d4968c05b2c480
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b4ce5469f9240af37e6b89c7b549d477923917f838f70e25f7d4968c05b2c480"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sc-keystore v2.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `tempfile`
[INFO] [stderr]    --> src/lib.rs:446:6
[INFO] [stderr]     |
[INFO] [stderr] 446 |     use tempfile::TempDir;
[INFO] [stderr]     |         ^^^^^^^^ use of undeclared type or module `tempfile`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `sc-keystore`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b4ce5469f9240af37e6b89c7b549d477923917f838f70e25f7d4968c05b2c480"`
[INFO] running `"docker" "rm" "-f" "b4ce5469f9240af37e6b89c7b549d477923917f838f70e25f7d4968c05b2c480"`
[INFO] [stdout] b4ce5469f9240af37e6b89c7b549d477923917f838f70e25f7d4968c05b2c480