[INFO] fetching crate ckb-multisig 0.100.0...
[INFO] checking ckb-multisig-0.100.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate ckb-multisig 0.100.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate ckb-multisig 0.100.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-multisig 0.100.0
[INFO] finished tweaking crates.io crate ckb-multisig 0.100.0
[INFO] tweaked toml for crates.io crate ckb-multisig 0.100.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01e5382ff2d950865d1901bb3e1cf5ec6941ac19b080609f724e6cc6cf95febc
[INFO] running `Command { std: "docker" "start" "-a" "01e5382ff2d950865d1901bb3e1cf5ec6941ac19b080609f724e6cc6cf95febc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01e5382ff2d950865d1901bb3e1cf5ec6941ac19b080609f724e6cc6cf95febc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e5382ff2d950865d1901bb3e1cf5ec6941ac19b080609f724e6cc6cf95febc", kill_on_drop: false }`
[INFO] [stdout] 01e5382ff2d950865d1901bb3e1cf5ec6941ac19b080609f724e6cc6cf95febc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7e501c2fcfc2540e75a9c22e39a3113bd8e612181fbd5c7e0dda3824f92cf82
[INFO] running `Command { std: "docker" "start" "-a" "c7e501c2fcfc2540e75a9c22e39a3113bd8e612181fbd5c7e0dda3824f92cf82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling faster-hex v0.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]     Checking ckb-logger v0.100.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.100.0
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.100.0
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.100.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.100.0
[INFO] [stderr]     Checking ckb-occupied-capacity v0.100.0
[INFO] [stderr]     Checking ckb-fixed-hash v0.100.0
[INFO] [stderr]     Checking ckb-error v0.100.0
[INFO] [stderr]     Checking ckb-crypto v0.100.0
[INFO] [stderr]     Checking ckb-multisig v0.100.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/tests/secp256k1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c7e501c2fcfc2540e75a9c22e39a3113bd8e612181fbd5c7e0dda3824f92cf82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e501c2fcfc2540e75a9c22e39a3113bd8e612181fbd5c7e0dda3824f92cf82", kill_on_drop: false }`
[INFO] [stdout] c7e501c2fcfc2540e75a9c22e39a3113bd8e612181fbd5c7e0dda3824f92cf82
