[INFO] fetching crate for_event_bus 0.1.6...
[INFO] checking for_event_bus-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate for_event_bus 0.1.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate for_event_bus 0.1.6 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate for_event_bus 0.1.6
[INFO] finished tweaking crates.io crate for_event_bus 0.1.6
[INFO] tweaked toml for crates.io crate for_event_bus 0.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate for_event_bus 0.1.6 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.2.1
[INFO] [stderr]   Downloaded for-event-bus-derive v0.1.3
[INFO] [stderr]   Downloaded serde_derive v1.0.186
[INFO] [stderr]   Downloaded custom-utils v0.10.15
[INFO] [stderr]   Downloaded serde v1.0.186
[INFO] [stderr]   Downloaded flexi_logger v0.24.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40eeaa19af84c736f59c976bf93ce7c2b5057793cce673b2fc470756fe99eaa7
[INFO] running `Command { std: "docker" "start" "-a" "40eeaa19af84c736f59c976bf93ce7c2b5057793cce673b2fc470756fe99eaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40eeaa19af84c736f59c976bf93ce7c2b5057793cce673b2fc470756fe99eaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40eeaa19af84c736f59c976bf93ce7c2b5057793cce673b2fc470756fe99eaa7", kill_on_drop: false }`
[INFO] [stdout] 40eeaa19af84c736f59c976bf93ce7c2b5057793cce673b2fc470756fe99eaa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b5a71a5551593e78cd914f08ddc5c0174f84085c486216f5b539f1c51ab5043
[INFO] running `Command { std: "docker" "start" "-a" "2b5a71a5551593e78cd914f08ddc5c0174f84085c486216f5b539f1c51ab5043", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.186
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking notify v5.2.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking notify-debouncer-mini v0.2.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.186
[INFO] [stderr]    Compiling for-event-bus-derive v0.1.3
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking flexi_logger v0.24.2
[INFO] [stderr]     Checking custom-utils v0.10.15
[INFO] [stderr]     Checking for_event_bus v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bus/sub_bus.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.name.clone()
[INFO] [stdout]    |                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bus/sub_bus.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.name.clone()
[INFO] [stdout]    |                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bus/sub_bus.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             name: name.clone(),
[INFO] [stdout]    |                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bus/sub_bus.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             name: name.clone(),
[INFO] [stdout]    |                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "2b5a71a5551593e78cd914f08ddc5c0174f84085c486216f5b539f1c51ab5043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5a71a5551593e78cd914f08ddc5c0174f84085c486216f5b539f1c51ab5043", kill_on_drop: false }`
[INFO] [stdout] 2b5a71a5551593e78cd914f08ddc5c0174f84085c486216f5b539f1c51ab5043