[INFO] fetching crate libpaillier 0.2.1...
[INFO] checking libpaillier-0.2.1 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate libpaillier 0.2.1 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate libpaillier 0.2.1 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libpaillier 0.2.1
[INFO] finished tweaking crates.io crate libpaillier 0.2.1
[INFO] tweaked toml for crates.io crate libpaillier 0.2.1 written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bare v0.4.0
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.12
[INFO] [stderr]   Downloaded multibase v0.9.1
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[INFO] [stderr]   Downloaded k256 v0.8.1
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[INFO] [stderr]   Downloaded der v0.3.5
[INFO] [stderr]   Downloaded ff v0.9.0
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[INFO] [stderr]   Downloaded signature v1.3.2
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded ecdsa v0.11.1
[INFO] [stderr]   Downloaded const-oid v0.5.2
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.10
[INFO] [stderr]   Downloaded spki v0.3.0
[INFO] [stderr]   Downloaded pkcs8 v0.6.1
[INFO] [stderr]   Downloaded rust-gmp v0.5.0
[INFO] [stderr]   Downloaded unknown_order v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d27a0377e01f715cba333dd944fbfa5189ca9a0c2bac742b0c538e74d18b2c23
[INFO] running `Command { std: "docker" "start" "-a" "d27a0377e01f715cba333dd944fbfa5189ca9a0c2bac742b0c538e74d18b2c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d27a0377e01f715cba333dd944fbfa5189ca9a0c2bac742b0c538e74d18b2c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27a0377e01f715cba333dd944fbfa5189ca9a0c2bac742b0c538e74d18b2c23", kill_on_drop: false }`
[INFO] [stdout] d27a0377e01f715cba333dd944fbfa5189ca9a0c2bac742b0c538e74d18b2c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fc1b6a6797f665445e9df0c45dc22267a9d06265c2d4e2e748dea8c6d22b8cc
[INFO] running `Command { std: "docker" "start" "-a" "2fc1b6a6797f665445e9df0c45dc22267a9d06265c2d4e2e748dea8c6d22b8cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking const-oid v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking cpufeatures v0.2.2
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[INFO] [stderr]     Checking base-x v0.2.10
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking der v0.3.5
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[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking spki v0.3.0
[INFO] [stderr]     Checking pkcs8 v0.6.1
[INFO] [stderr]     Checking ff v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking glass_pumpkin v1.2.0
[INFO] [stderr]     Checking group v0.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking elliptic-curve v0.9.12
[INFO] [stderr]     Checking ecdsa v0.11.1
[INFO] [stderr]     Checking k256 v0.8.1
[INFO] [stderr]     Checking unknown_order v0.2.3
[INFO] [stderr]     Checking serde_bare v0.4.0
[INFO] [stderr]     Checking libpaillier v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> tests/paillier.rs:164:39
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let ssk = k256::SecretKey::random(rand::rngs::OsRng::default());
[INFO] [stdout]     |                                       ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `n` found for enum `Result` in the current scope
[INFO] [stdout]    --> tests/paillier.rs:144:20
[INFO] [stdout]     |
[INFO] [stdout] 144 |     assert_eq!(pk1.n(), pk.n());
[INFO] [stdout]     |                    ^ method not found in `Result<libpaillier::EncryptionKey, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpaillier` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2fc1b6a6797f665445e9df0c45dc22267a9d06265c2d4e2e748dea8c6d22b8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc1b6a6797f665445e9df0c45dc22267a9d06265c2d4e2e748dea8c6d22b8cc", kill_on_drop: false }`
[INFO] [stdout] 2fc1b6a6797f665445e9df0c45dc22267a9d06265c2d4e2e748dea8c6d22b8cc