[INFO] fetching crate signatory-ledger-tm 0.15.0...
[INFO] checking signatory-ledger-tm-0.15.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate signatory-ledger-tm 0.15.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate signatory-ledger-tm 0.15.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate signatory-ledger-tm 0.15.0
[INFO] finished tweaking crates.io crate signatory-ledger-tm 0.15.0
[INFO] tweaked toml for crates.io crate signatory-ledger-tm 0.15.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 295fd8cccc8eab26036645aa51a0d6c65ade5d0d25fbceb435d453054bcce6fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "295fd8cccc8eab26036645aa51a0d6c65ade5d0d25fbceb435d453054bcce6fe"`
[INFO] [stderr]     Checking zeroize v1.0.0
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking subtle-encoding v0.3.7
[INFO] [stderr]     Checking ledger v0.2.5
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking subtle-encoding v0.4.1
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking signatory v0.11.5
[INFO] [stderr]     Checking signatory v0.15.0
[INFO] [stderr]     Checking ledger-tendermint v0.4.0
[INFO] [stderr]     Checking signatory-ledger-tm v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no function or associated item named `from_cause` found for type `signature::error::Error` in the current scope
[INFO] [stderr]   --> src/lib.rs:26:78
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let validator_app = TendermintValidatorApp::connect().map_err(Error::from_cause)?;
[INFO] [stderr]    |                                                                              ^^^^^^^^^^ function or associated item not found in `signature::error::Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_cause` found for type `signature::error::Error` in the current scope
[INFO] [stderr]   --> src/lib.rs:38:50
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let pk = app.public_key().map_err(Error::from_cause)?;
[INFO] [stderr]    |                                                  ^^^^^^^^^^ function or associated item not found in `signature::error::Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_cause` found for type `signature::error::Error` in the current scope
[INFO] [stderr]   --> src/lib.rs:47:49
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let sig = app.sign(&msg).map_err(Error::from_cause)?;
[INFO] [stderr]    |                                                 ^^^^^^^^^^ function or associated item not found in `signature::error::Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `signatory-ledger-tm`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no function or associated item named `from_cause` found for type `signature::error::Error` in the current scope
[INFO] [stderr]   --> src/lib.rs:26:78
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let validator_app = TendermintValidatorApp::connect().map_err(Error::from_cause)?;
[INFO] [stderr]    |                                                                              ^^^^^^^^^^ function or associated item not found in `signature::error::Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_cause` found for type `signature::error::Error` in the current scope
[INFO] [stderr]   --> src/lib.rs:38:50
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let pk = app.public_key().map_err(Error::from_cause)?;
[INFO] [stderr]    |                                                  ^^^^^^^^^^ function or associated item not found in `signature::error::Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_cause` found for type `signature::error::Error` in the current scope
[INFO] [stderr]   --> src/lib.rs:47:49
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let sig = app.sign(&msg).map_err(Error::from_cause)?;
[INFO] [stderr]    |                                                 ^^^^^^^^^^ function or associated item not found in `signature::error::Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `signatory-ledger-tm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "295fd8cccc8eab26036645aa51a0d6c65ade5d0d25fbceb435d453054bcce6fe"`
[INFO] running `"docker" "rm" "-f" "295fd8cccc8eab26036645aa51a0d6c65ade5d0d25fbceb435d453054bcce6fe"`
[INFO] [stdout] 295fd8cccc8eab26036645aa51a0d6c65ade5d0d25fbceb435d453054bcce6fe