[INFO] fetching crate ckb-multisig 0.38.0...
[INFO] checking ckb-multisig-0.38.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate ckb-multisig 0.38.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ckb-multisig 0.38.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-multisig 0.38.0
[INFO] finished tweaking crates.io crate ckb-multisig 0.38.0
[INFO] tweaked toml for crates.io crate ckb-multisig 0.38.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1123dbe5036b6d841d6275d6846385188586077f0cb16da41138ae9090c976b6
[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" "1123dbe5036b6d841d6275d6846385188586077f0cb16da41138ae9090c976b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1123dbe5036b6d841d6275d6846385188586077f0cb16da41138ae9090c976b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1123dbe5036b6d841d6275d6846385188586077f0cb16da41138ae9090c976b6", kill_on_drop: false }`
[INFO] [stdout] 1123dbe5036b6d841d6275d6846385188586077f0cb16da41138ae9090c976b6
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8c0c21b8c7c693964eaba70c9405579c7618d7c00c952ebb732cd8cfe6394e
[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" "1f8c0c21b8c7c693964eaba70c9405579c7618d7c00c952ebb732cd8cfe6394e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.38.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.38.0
[INFO] [stderr]     Checking ckb-fixed-hash v0.38.0
[INFO] [stderr]     Checking ckb-crypto v0.38.0
[INFO] [stderr]     Checking ckb-multisig v0.38.0 (/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1f8c0c21b8c7c693964eaba70c9405579c7618d7c00c952ebb732cd8cfe6394e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8c0c21b8c7c693964eaba70c9405579c7618d7c00c952ebb732cd8cfe6394e", kill_on_drop: false }`
[INFO] [stdout] 1f8c0c21b8c7c693964eaba70c9405579c7618d7c00c952ebb732cd8cfe6394e