[INFO] cloning repository https://github.com/klx01/mael
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klx01/mael" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Fmael", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Fmael'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea2564ca8154eb7702d8ecaef7a25b99ea29da86
[INFO] checking klx01/mael against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Fmael" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klx01/mael on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/klx01/mael
[INFO] finished tweaking git repo https://github.com/klx01/mael
[INFO] tweaked toml for git repo https://github.com/klx01/mael written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/klx01/mael already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c6acbcd2c7df1bfa43c73378f1771a134528b80917436052839acb868fc329
[INFO] running `Command { std: "docker" "start" "-a" "b7c6acbcd2c7df1bfa43c73378f1771a134528b80917436052839acb868fc329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c6acbcd2c7df1bfa43c73378f1771a134528b80917436052839acb868fc329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c6acbcd2c7df1bfa43c73378f1771a134528b80917436052839acb868fc329", kill_on_drop: false }`
[INFO] [stdout] b7c6acbcd2c7df1bfa43c73378f1771a134528b80917436052839acb868fc329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8708524affbf02b88cf472bf4be606f6c2e47f74af2786e1f0741fc9790a7518
[INFO] running `Command { std: "docker" "start" "-a" "8708524affbf02b88cf472bf4be606f6c2e47f74af2786e1f0741fc9790a7518", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking mael v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `KVReadOkMessage` is more private than the item `KVResponseMessage::ReadOk::0`
[INFO] [stdout]    --> src/keyvalue.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     ReadOk(KVReadOkMessage),
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ field `KVResponseMessage::ReadOk::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `KVReadOkMessage` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/keyvalue.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | struct KVReadOkMessage {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KVReadOkMessage` is more private than the item `KVResponseMessage::ReadOk::0`
[INFO] [stdout]    --> src/keyvalue.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     ReadOk(KVReadOkMessage),
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ field `KVResponseMessage::ReadOk::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `KVReadOkMessage` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/keyvalue.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | struct KVReadOkMessage {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KVCasOkMessage` is more private than the item `KVResponseMessage::CasOk::0`
[INFO] [stdout]    --> src/keyvalue.rs:177:11
[INFO] [stdout]     |
[INFO] [stdout] 177 |     CasOk(KVCasOkMessage),
[INFO] [stdout]     |           ^^^^^^^^^^^^^^ field `KVResponseMessage::CasOk::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `KVCasOkMessage` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/keyvalue.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct KVCasOkMessage {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KVCasOkMessage` is more private than the item `KVResponseMessage::CasOk::0`
[INFO] [stdout]    --> src/keyvalue.rs:177:11
[INFO] [stdout]     |
[INFO] [stdout] 177 |     CasOk(KVCasOkMessage),
[INFO] [stdout]     |           ^^^^^^^^^^^^^^ field `KVResponseMessage::CasOk::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `KVCasOkMessage` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/keyvalue.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct KVCasOkMessage {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]   --> src/bin/txn.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct TxnService {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 10 |     id: MessageIdGenerator,
[INFO] [stdout] 11 |     node_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]   --> src/bin/txn.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct TxnService {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 10 |     id: MessageIdGenerator,
[INFO] [stdout] 11 |     node_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]   --> src/bin/txn_async.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct TxnService {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 19 |     id: MessageIdGenerator,
[INFO] [stdout] 20 |     node_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]   --> src/bin/kafka.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct KafkaService {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 20 |     id: Arc<MessageIdGenerator>,
[INFO] [stdout] 21 |     node_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]   --> src/bin/kafka.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct KafkaService {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 20 |     id: Arc<MessageIdGenerator>,
[INFO] [stdout] 21 |     node_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]   --> src/bin/txn_async.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct TxnService {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 19 |     id: MessageIdGenerator,
[INFO] [stdout] 20 |     node_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "8708524affbf02b88cf472bf4be606f6c2e47f74af2786e1f0741fc9790a7518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8708524affbf02b88cf472bf4be606f6c2e47f74af2786e1f0741fc9790a7518", kill_on_drop: false }`
[INFO] [stdout] 8708524affbf02b88cf472bf4be606f6c2e47f74af2786e1f0741fc9790a7518