[INFO] fetching crate ckb-multisig 0.39.1...
[INFO] checking ckb-multisig-0.39.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate ckb-multisig 0.39.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ckb-multisig 0.39.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-multisig 0.39.1
[INFO] finished tweaking crates.io crate ckb-multisig 0.39.1
[INFO] tweaked toml for crates.io crate ckb-multisig 0.39.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21094273ffebf976a3a2be6f437a403d38b09df252a876e6c3629e0b7f98821d
[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" "21094273ffebf976a3a2be6f437a403d38b09df252a876e6c3629e0b7f98821d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21094273ffebf976a3a2be6f437a403d38b09df252a876e6c3629e0b7f98821d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21094273ffebf976a3a2be6f437a403d38b09df252a876e6c3629e0b7f98821d", kill_on_drop: false }`
[INFO] [stdout] 21094273ffebf976a3a2be6f437a403d38b09df252a876e6c3629e0b7f98821d
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--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] 2a6bdca0126dfe3b1692c555a055a072fbf212ed6ffc833ac88b65aea795cd8d
[INFO] running `Command { std: "docker" "start" "-a" "2a6bdca0126dfe3b1692c555a055a072fbf212ed6ffc833ac88b65aea795cd8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]     Checking ckb-logger v0.39.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.39.1
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.39.1
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.39.1
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.39.1
[INFO] [stderr]     Checking ckb-occupied-capacity v0.39.1
[INFO] [stderr]     Checking ckb-fixed-hash v0.39.1
[INFO] [stderr]     Checking ckb-error v0.39.1
[INFO] [stderr]     Checking ckb-crypto v0.39.1
[INFO] [stderr]     Checking ckb-multisig v0.39.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/secp256k1.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use rand::{thread_rng, Rng};
[INFO] [stdout]    |         ^^^^ use of undeclared crate or module `rand`
[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 `ckb-multisig`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2a6bdca0126dfe3b1692c555a055a072fbf212ed6ffc833ac88b65aea795cd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6bdca0126dfe3b1692c555a055a072fbf212ed6ffc833ac88b65aea795cd8d", kill_on_drop: false }`
[INFO] [stdout] 2a6bdca0126dfe3b1692c555a055a072fbf212ed6ffc833ac88b65aea795cd8d