[INFO] cloning repository https://github.com/d1ngd0/herman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d1ngd0/herman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1ngd0%2Fherman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1ngd0%2Fherman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ea684cbe00ebfd6d088e9a0e3b6f087c81a32aa
[INFO] building d1ngd0/herman against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1ngd0%2Fherman" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d1ngd0/herman on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d1ngd0/herman
[INFO] finished tweaking git repo https://github.com/d1ngd0/herman
[INFO] tweaked toml for git repo https://github.com/d1ngd0/herman written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/d1ngd0/herman 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1bc3fb384300d154217129a714b12ff50243d03ab09a7f06db4ec92f099135f
[INFO] running `Command { std: "docker" "start" "-a" "d1bc3fb384300d154217129a714b12ff50243d03ab09a7f06db4ec92f099135f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1bc3fb384300d154217129a714b12ff50243d03ab09a7f06db4ec92f099135f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bc3fb384300d154217129a714b12ff50243d03ab09a7f06db4ec92f099135f", kill_on_drop: false }`
[INFO] [stdout] d1bc3fb384300d154217129a714b12ff50243d03ab09a7f06db4ec92f099135f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a2b19fa7c893ecc82ef1cc0f8e88aa126d47cea14d9b93cdd8ea4580decd3c
[INFO] running `Command { std: "docker" "start" "-a" "16a2b19fa7c893ecc82ef1cc0f8e88aa126d47cea14d9b93cdd8ea4580decd3c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hickory-resolver v0.24.1
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[INFO] [stderr]    Compiling dapt v0.1.9
[INFO] [stderr]    Compiling agnostic v0.3.6
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[INFO] [stderr]    Compiling memberlist-types v0.2.0
[INFO] [stderr]    Compiling local-ip-address v0.6.1
[INFO] [stderr]    Compiling memberlist-core v0.2.1
[INFO] [stderr]    Compiling memberlist-net v0.2.2
[INFO] [stderr]    Compiling memberlist-quic v0.2.0
[INFO] [stderr]    Compiling memberlist v0.2.1
[INFO] [stderr]    Compiling herman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `drop` is never read
[INFO] [stdout]    --> src/ccfg/mod.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct BroadcastListener<
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 145 |     drop: Arc<Mutex<bool>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateEngine` is never constructed
[INFO] [stdout]  --> src/ccfg/state_engine.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StateEngine {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateEngineEventListener` is never constructed
[INFO] [stdout]  --> src/ccfg/state_engine.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StateEngineEventListener<K: Key, D: Data> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `done` is never read
[INFO] [stdout]   --> src/router.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct NamespaceRegister {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     done: ClosedNamespace,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamespaceRegister` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::signal`
[INFO] [stdout]   --> src/bin/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use tokio::signal;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "16a2b19fa7c893ecc82ef1cc0f8e88aa126d47cea14d9b93cdd8ea4580decd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a2b19fa7c893ecc82ef1cc0f8e88aa126d47cea14d9b93cdd8ea4580decd3c", kill_on_drop: false }`
[INFO] [stdout] 16a2b19fa7c893ecc82ef1cc0f8e88aa126d47cea14d9b93cdd8ea4580decd3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e56e8d6692a3d8ff4fa24479ce94546bc89b83e8ef20e7750d744988dc137ff5
[INFO] running `Command { std: "docker" "start" "-a" "e56e8d6692a3d8ff4fa24479ce94546bc89b83e8ef20e7750d744988dc137ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling herman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `drop` is never read
[INFO] [stdout]    --> src/ccfg/mod.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct BroadcastListener<
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 145 |     drop: Arc<Mutex<bool>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateEngine` is never constructed
[INFO] [stdout]  --> src/ccfg/state_engine.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StateEngine {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateEngineEventListener` is never constructed
[INFO] [stdout]  --> src/ccfg/state_engine.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StateEngineEventListener<K: Key, D: Data> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `done` is never read
[INFO] [stdout]   --> src/router.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct NamespaceRegister {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     done: ClosedNamespace,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamespaceRegister` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::signal`
[INFO] [stdout]   --> src/bin/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use tokio::signal;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `drop` is never read
[INFO] [stdout]    --> src/ccfg/mod.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct BroadcastListener<
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 145 |     drop: Arc<Mutex<bool>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateEngine` is never constructed
[INFO] [stdout]  --> src/ccfg/state_engine.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct StateEngine {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateEngineEventListener` is never constructed
[INFO] [stdout]  --> src/ccfg/state_engine.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StateEngineEventListener<K: Key, D: Data> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `done` is never read
[INFO] [stdout]   --> src/router.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct NamespaceRegister {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     done: ClosedNamespace,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamespaceRegister` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e56e8d6692a3d8ff4fa24479ce94546bc89b83e8ef20e7750d744988dc137ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56e8d6692a3d8ff4fa24479ce94546bc89b83e8ef20e7750d744988dc137ff5", kill_on_drop: false }`
[INFO] [stdout] e56e8d6692a3d8ff4fa24479ce94546bc89b83e8ef20e7750d744988dc137ff5