[INFO] fetching crate brb_dt_tree 1.0.1...
[INFO] checking brb_dt_tree-1.0.1 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate brb_dt_tree 1.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate brb_dt_tree 1.0.1 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brb_dt_tree 1.0.1
[INFO] finished tweaking crates.io crate brb_dt_tree 1.0.1
[INFO] tweaked toml for crates.io crate brb_dt_tree 1.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa636937fba83de419af559a9beed93c1c1a23e1da0499350e6e7667e0139926
[INFO] running `Command { std: "docker" "start" "-a" "aa636937fba83de419af559a9beed93c1c1a23e1da0499350e6e7667e0139926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa636937fba83de419af559a9beed93c1c1a23e1da0499350e6e7667e0139926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa636937fba83de419af559a9beed93c1c1a23e1da0499350e6e7667e0139926", kill_on_drop: false }`
[INFO] [stdout] aa636937fba83de419af559a9beed93c1c1a23e1da0499350e6e7667e0139926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e15c34cd3f698d6d4f23cd486c0428bf2e106845f0a56a93598dad753777744
[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" "6e15c34cd3f698d6d4f23cd486c0428bf2e106845f0a56a93598dad753777744", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking crdts v5.1.0
[INFO] [stderr]     Checking crdts v4.3.0
[INFO] [stderr]     Checking brb_membership v1.0.4
[INFO] [stderr]     Checking crdt_tree v0.0.8
[INFO] [stderr]     Checking brb v1.0.2
[INFO] [stderr]     Checking brb_dt_tree v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `brb_tree::ValidationError<A>: StdError` is not satisfied
[INFO] [stdout]   --> src/brb_tree.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     type ValidationError = ValidationError<A>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `brb_tree::ValidationError<A>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/brb-1.0.2/src/brb_data_type.rs:31:35
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type ValidationError: Debug + Error + 'static;
[INFO] [stdout]    |                                   ----- required by this bound in `brb::BRBDataType::ValidationError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `brb_tree::ValidationError<A>: StdError` is not satisfied
[INFO] [stdout]   --> src/brb_tree.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     type ValidationError = ValidationError<A>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `brb_tree::ValidationError<A>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/brb-1.0.2/src/brb_data_type.rs:31:35
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type ValidationError: Debug + Error + 'static;
[INFO] [stdout]    |                                   ----- required by this bound in `brb::BRBDataType::ValidationError`
[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 E0277`.
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brb_dt_tree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6e15c34cd3f698d6d4f23cd486c0428bf2e106845f0a56a93598dad753777744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e15c34cd3f698d6d4f23cd486c0428bf2e106845f0a56a93598dad753777744", kill_on_drop: false }`
[INFO] [stdout] 6e15c34cd3f698d6d4f23cd486c0428bf2e106845f0a56a93598dad753777744