[INFO] fetching crate ckb-multisig 0.39.1...
[INFO] checking ckb-multisig-0.39.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate ckb-multisig 0.39.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ckb-multisig 0.39.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b7201d4a5dc06d4f71be4e77dba76843b40710381a0f83bf72e715881cbf3c4
[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" "1b7201d4a5dc06d4f71be4e77dba76843b40710381a0f83bf72e715881cbf3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7201d4a5dc06d4f71be4e77dba76843b40710381a0f83bf72e715881cbf3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7201d4a5dc06d4f71be4e77dba76843b40710381a0f83bf72e715881cbf3c4", kill_on_drop: false }`
[INFO] [stdout] 1b7201d4a5dc06d4f71be4e77dba76843b40710381a0f83bf72e715881cbf3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be46fddcbdbcd08105c75b0884c97821f1d7d9c61ba55c73c01aa7edf9b2c692
[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" "be46fddcbdbcd08105c75b0884c97821f1d7d9c61ba55c73c01aa7edf9b2c692", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[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 ckb-logger v0.39.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking thiserror v1.0.24
[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-error v0.39.1
[INFO] [stderr]     Checking ckb-fixed-hash 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] [stderr] error: could not compile `ckb-multisig`
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[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" "be46fddcbdbcd08105c75b0884c97821f1d7d9c61ba55c73c01aa7edf9b2c692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be46fddcbdbcd08105c75b0884c97821f1d7d9c61ba55c73c01aa7edf9b2c692", kill_on_drop: false }`
[INFO] [stdout] be46fddcbdbcd08105c75b0884c97821f1d7d9c61ba55c73c01aa7edf9b2c692