[INFO] fetching crate mantle 0.2.1...
[INFO] checking mantle-0.2.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate mantle 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mantle 0.2.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mantle 0.2.1
[INFO] finished tweaking crates.io crate mantle 0.2.1
[INFO] tweaked toml for crates.io crate mantle 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af8fdfb7a0e6681505fb398b594b49764ab76073cc4eec216da300332a0e31ae
[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" "af8fdfb7a0e6681505fb398b594b49764ab76073cc4eec216da300332a0e31ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8fdfb7a0e6681505fb398b594b49764ab76073cc4eec216da300332a0e31ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8fdfb7a0e6681505fb398b594b49764ab76073cc4eec216da300332a0e31ae", kill_on_drop: false }`
[INFO] [stdout] af8fdfb7a0e6681505fb398b594b49764ab76073cc4eec216da300332a0e31ae
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61c05c6920d75d4a9d1d4165953be158b457a0b9edecdc9bd0ccc2174b5ce74
[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" "d61c05c6920d75d4a9d1d4165953be158b457a0b9edecdc9bd0ccc2174b5ce74", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling default-env v0.1.1
[INFO] [stderr]    Compiling mantle-macros v0.2.1
[INFO] [stderr]     Checking oasis-types v0.3.2
[INFO] [stderr]     Checking blockchain-traits v0.2.3
[INFO] [stderr]     Checking mantle-types v0.2.0
[INFO] [stdout] error[E0404]: expected trait, found struct `blockchain_traits::Address`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mantle-types-0.2.0/src/lib.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl blockchain_traits::Address for Address {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `blockchain_traits::AccountMeta`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mantle-types-0.2.0/src/lib.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl blockchain_traits::AccountMeta for AccountMeta {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `blockchain_traits::Event`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mantle-types-0.2.0/src/lib.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl blockchain_traits::Event for Event {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `Address` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mantle-types-0.2.0/src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl blockchain_traits::Address for Address {
[INFO] [stdout]    |                         ^^^^^^^ private struct
[INFO] [stdout]    |
[INFO] [stdout] note: the struct `Address` is defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blockchain-traits-0.2.3/src/lib.rs:3:32
[INFO] [stdout]    |
[INFO] [stdout] 3  | use oasis_types::{AccountMeta, Address, Event};
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `AccountMeta` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mantle-types-0.2.0/src/lib.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl blockchain_traits::AccountMeta for AccountMeta {
[INFO] [stdout]    |                         ^^^^^^^^^^^ private struct
[INFO] [stdout]    |
[INFO] [stdout] note: the struct `AccountMeta` is defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blockchain-traits-0.2.3/src/lib.rs:3:19
[INFO] [stdout]    |
[INFO] [stdout] 3  | use oasis_types::{AccountMeta, Address, Event};
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `Event` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mantle-types-0.2.0/src/lib.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl blockchain_traits::Event for Event {
[INFO] [stdout]    |                         ^^^^^ private struct
[INFO] [stdout]    |
[INFO] [stdout] note: the struct `Event` is defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blockchain-traits-0.2.3/src/lib.rs:3:41
[INFO] [stdout]    |
[INFO] [stdout] 3  | use oasis_types::{AccountMeta, Address, Event};
[INFO] [stdout]    |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0404, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0404`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mantle-types`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d61c05c6920d75d4a9d1d4165953be158b457a0b9edecdc9bd0ccc2174b5ce74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61c05c6920d75d4a9d1d4165953be158b457a0b9edecdc9bd0ccc2174b5ce74", kill_on_drop: false }`
[INFO] [stdout] d61c05c6920d75d4a9d1d4165953be158b457a0b9edecdc9bd0ccc2174b5ce74