[INFO] fetching crate sc-keystore 3.0.0...
[INFO] checking sc-keystore-3.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate sc-keystore 3.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sc-keystore 3.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-keystore 3.0.0
[INFO] finished tweaking crates.io crate sc-keystore 3.0.0
[INFO] tweaked toml for crates.io crate sc-keystore 3.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12e18b8590a695e296a9438b4bd14e9672770153660468a59567a61a57b79636
[INFO] running `Command { std: "docker" "start" "-a" "12e18b8590a695e296a9438b4bd14e9672770153660468a59567a61a57b79636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e18b8590a695e296a9438b4bd14e9672770153660468a59567a61a57b79636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e18b8590a695e296a9438b4bd14e9672770153660468a59567a61a57b79636", kill_on_drop: false }`
[INFO] [stdout] 12e18b8590a695e296a9438b4bd14e9672770153660468a59567a61a57b79636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29543a158ec63b3ea2a48d63f67d24da5dad83e7991be96ffb01d8683f49e96e
[INFO] running `Command { std: "docker" "start" "-a" "29543a158ec63b3ea2a48d63f67d24da5dad83e7991be96ffb01d8683f49e96e", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tiny-bip39 v0.8.0
[INFO] [stderr]     Checking primitive-types v0.9.1
[INFO] [stderr]     Checking trie-db v0.22.6
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking parity-util-mem v0.9.0
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking sp-tracing v3.0.0
[INFO] [stderr]     Checking memory-db v0.26.0
[INFO] [stderr]     Checking sp-runtime-interface v3.0.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking sp-trie v3.0.0
[INFO] [stderr]     Checking sp-keystore v0.9.0
[INFO] [stderr]     Checking sp-state-machine v0.9.0
[INFO] [stderr]     Checking sp-io v3.0.0
[INFO] [stderr]     Checking sp-application-crypto v3.0.0
[INFO] [stderr]     Checking sc-keystore v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tempfile`
[INFO] [stdout]    --> src/local.rs:493:6
[INFO] [stdout]     |
[INFO] [stdout] 493 |     use tempfile::TempDir;
[INFO] [stdout]     |         ^^^^^^^^ use of undeclared crate or module `tempfile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sc-keystore` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "29543a158ec63b3ea2a48d63f67d24da5dad83e7991be96ffb01d8683f49e96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29543a158ec63b3ea2a48d63f67d24da5dad83e7991be96ffb01d8683f49e96e", kill_on_drop: false }`
[INFO] [stdout] 29543a158ec63b3ea2a48d63f67d24da5dad83e7991be96ffb01d8683f49e96e