[INFO] fetching crate ckb-multisig 0.38.0...
[INFO] testing ckb-multisig-0.38.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate ckb-multisig 0.38.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ckb-multisig 0.38.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", 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] e884094b72b06a192de3651c51c4b3db14b0cadbac9bbb2cc5b204f3848fc55b
[INFO] running `Command { std: "docker" "start" "-a" "e884094b72b06a192de3651c51c4b3db14b0cadbac9bbb2cc5b204f3848fc55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e884094b72b06a192de3651c51c4b3db14b0cadbac9bbb2cc5b204f3848fc55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e884094b72b06a192de3651c51c4b3db14b0cadbac9bbb2cc5b204f3848fc55b", kill_on_drop: false }`
[INFO] [stdout] e884094b72b06a192de3651c51c4b3db14b0cadbac9bbb2cc5b204f3848fc55b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08aa11c422abc600ce615c6d052ef48f19e6df346bd846e68b9ae5cf3d8ec479
[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" "08aa11c422abc600ce615c6d052ef48f19e6df346bd846e68b9ae5cf3d8ec479", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling ckb-logger v0.38.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling ckb-fixed-hash-core v0.38.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.38.0
[INFO] [stderr]    Compiling ckb-fixed-hash v0.38.0
[INFO] [stderr]    Compiling ckb-crypto v0.38.0
[INFO] [stderr]    Compiling ckb-multisig v0.38.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.40s
[INFO] running `Command { std: "docker" "inspect" "08aa11c422abc600ce615c6d052ef48f19e6df346bd846e68b9ae5cf3d8ec479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08aa11c422abc600ce615c6d052ef48f19e6df346bd846e68b9ae5cf3d8ec479", kill_on_drop: false }`
[INFO] [stdout] 08aa11c422abc600ce615c6d052ef48f19e6df346bd846e68b9ae5cf3d8ec479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17843a16dedb65c2e118a4be69faa9ebf661302b95082a9f1ae8f071cbd90ea3
[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" "17843a16dedb65c2e118a4be69faa9ebf661302b95082a9f1ae8f071cbd90ea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] running `Command { std: "docker" "inspect" "17843a16dedb65c2e118a4be69faa9ebf661302b95082a9f1ae8f071cbd90ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17843a16dedb65c2e118a4be69faa9ebf661302b95082a9f1ae8f071cbd90ea3", kill_on_drop: false }`
[INFO] [stdout] 17843a16dedb65c2e118a4be69faa9ebf661302b95082a9f1ae8f071cbd90ea3