[INFO] fetching crate libdeadmock 0.1.6...
[INFO] testing libdeadmock-0.1.6 against 1.59.0 for beta-1.60-1
[INFO] extracting crate libdeadmock 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libdeadmock 0.1.6 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libdeadmock 0.1.6
[INFO] finished tweaking crates.io crate libdeadmock 0.1.6
[INFO] tweaked toml for crates.io crate libdeadmock 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe23cc3ed5c9ad46a9d3fcfca20761418bd90ccb9e50164004b531ccc73cfbef
[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" "fe23cc3ed5c9ad46a9d3fcfca20761418bd90ccb9e50164004b531ccc73cfbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe23cc3ed5c9ad46a9d3fcfca20761418bd90ccb9e50164004b531ccc73cfbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe23cc3ed5c9ad46a9d3fcfca20761418bd90ccb9e50164004b531ccc73cfbef", kill_on_drop: false }`
[INFO] [stdout] fe23cc3ed5c9ad46a9d3fcfca20761418bd90ccb9e50164004b531ccc73cfbef
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dc4afb7c3de61260c1c3c3aee27ed8a8b9f0d857199fcc5606c11895dd828d7
[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" "6dc4afb7c3de61260c1c3c3aee27ed8a8b9f0d857199fcc5606c11895dd828d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling async-rwlock v1.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling libeither v0.4.0
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling typed-headers v0.2.0
[INFO] [stderr]    Compiling headers v0.3.7
[INFO] [stdout] error[E0599]: no function or associated item named `iter_sources` found for trait object `dyn StdError` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libeither-0.4.0/src/error.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let res = std::error::Error::iter_sources(self).fold(
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ function or associated item not found in `dyn StdError`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libeither` 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" "6dc4afb7c3de61260c1c3c3aee27ed8a8b9f0d857199fcc5606c11895dd828d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc4afb7c3de61260c1c3c3aee27ed8a8b9f0d857199fcc5606c11895dd828d7", kill_on_drop: false }`
[INFO] [stdout] 6dc4afb7c3de61260c1c3c3aee27ed8a8b9f0d857199fcc5606c11895dd828d7