[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] checking d1ngd0/herman against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1ngd0%2Fherman" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d1ngd0/herman on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "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-4-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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09a7c1214258c09acce23c345efc978162a1b53df9ade6338274020a68b7f996
[INFO] running `Command { std: "docker" "start" "-a" "09a7c1214258c09acce23c345efc978162a1b53df9ade6338274020a68b7f996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09a7c1214258c09acce23c345efc978162a1b53df9ade6338274020a68b7f996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a7c1214258c09acce23c345efc978162a1b53df9ade6338274020a68b7f996", kill_on_drop: false }`
[INFO] [stdout] 09a7c1214258c09acce23c345efc978162a1b53df9ade6338274020a68b7f996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de6dccd43d25683dc705b9164b5a2aae4011802bb6758a868f0749c0adc2f51a
[INFO] running `Command { std: "docker" "start" "-a" "de6dccd43d25683dc705b9164b5a2aae4011802bb6758a868f0749c0adc2f51a", kill_on_drop: false }`
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[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: 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: 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: 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 `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[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" "de6dccd43d25683dc705b9164b5a2aae4011802bb6758a868f0749c0adc2f51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6dccd43d25683dc705b9164b5a2aae4011802bb6758a868f0749c0adc2f51a", kill_on_drop: false }`
[INFO] [stdout] de6dccd43d25683dc705b9164b5a2aae4011802bb6758a868f0749c0adc2f51a