[INFO] fetching crate ckb-multisig 0.43.0...
[INFO] testing ckb-multisig-0.43.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ckb-multisig 0.43.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ckb-multisig 0.43.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-multisig 0.43.0
[INFO] finished tweaking crates.io crate ckb-multisig 0.43.0
[INFO] tweaked toml for crates.io crate ckb-multisig 0.43.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 211c2f9c1f8c393a8ca1cf234d3eadeb5b2809f6cbfde2c49562ec018056fe4d
[INFO] running `Command { std: "docker" "start" "-a" "211c2f9c1f8c393a8ca1cf234d3eadeb5b2809f6cbfde2c49562ec018056fe4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211c2f9c1f8c393a8ca1cf234d3eadeb5b2809f6cbfde2c49562ec018056fe4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211c2f9c1f8c393a8ca1cf234d3eadeb5b2809f6cbfde2c49562ec018056fe4d", kill_on_drop: false }`
[INFO] [stdout] 211c2f9c1f8c393a8ca1cf234d3eadeb5b2809f6cbfde2c49562ec018056fe4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--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] 2a101bc1f1ae72231ac379391268e8466652d91d01395022d5d62a081fbff221
[INFO] running `Command { std: "docker" "start" "-a" "2a101bc1f1ae72231ac379391268e8466652d91d01395022d5d62a081fbff221", kill_on_drop: false }`
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling ckb-logger v0.43.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling ckb-occupied-capacity v0.43.0
[INFO] [stderr]    Compiling ckb-fixed-hash v0.43.0
[INFO] [stderr]    Compiling ckb-error v0.43.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling ckb-crypto v0.43.0
[INFO] [stderr]    Compiling ckb-multisig v0.43.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "2a101bc1f1ae72231ac379391268e8466652d91d01395022d5d62a081fbff221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a101bc1f1ae72231ac379391268e8466652d91d01395022d5d62a081fbff221", kill_on_drop: false }`
[INFO] [stdout] 2a101bc1f1ae72231ac379391268e8466652d91d01395022d5d62a081fbff221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fed23e0faef356709ca4b03cbd46a0d1737f6623f41a4b801fef3cca36c5acb8
[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" "fed23e0faef356709ca4b03cbd46a0d1737f6623f41a4b801fef3cca36c5acb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-multisig v0.43.0 (/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" "fed23e0faef356709ca4b03cbd46a0d1737f6623f41a4b801fef3cca36c5acb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed23e0faef356709ca4b03cbd46a0d1737f6623f41a4b801fef3cca36c5acb8", kill_on_drop: false }`
[INFO] [stdout] fed23e0faef356709ca4b03cbd46a0d1737f6623f41a4b801fef3cca36c5acb8