[INFO] fetching crate derico 0.1.0...
[INFO] checking derico-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate derico 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate derico 0.1.0
[INFO] finished tweaking crates.io crate derico 0.1.0
[INFO] tweaked toml for crates.io crate derico 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derico 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.3.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c2a57ffec187dfc82aa8c84f3bf198ca82336bc4df92cfca645049f9c9f40a
[INFO] running `Command { std: "docker" "start" "-a" "49c2a57ffec187dfc82aa8c84f3bf198ca82336bc4df92cfca645049f9c9f40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c2a57ffec187dfc82aa8c84f3bf198ca82336bc4df92cfca645049f9c9f40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c2a57ffec187dfc82aa8c84f3bf198ca82336bc4df92cfca645049f9c9f40a", kill_on_drop: false }`
[INFO] [stdout] 49c2a57ffec187dfc82aa8c84f3bf198ca82336bc4df92cfca645049f9c9f40a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74f564e16a5d28a2c73ae9e9a9a53f49a8adc37553e94234542fb56fce6174f4
[INFO] running `Command { std: "docker" "start" "-a" "74f564e16a5d28a2c73ae9e9a9a53f49a8adc37553e94234542fb56fce6174f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking derico v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: useless assignment of field of type `T` to itself
[INFO] [stdout]   --> src/debouncer.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             self.current_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `S` to itself
[INFO] [stdout]   --> src/debouncer.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             self.repetition_count = self.repetition_count;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `T` to itself
[INFO] [stdout]   --> src/debouncer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             self.current_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `T` to itself
[INFO] [stdout]   --> src/debouncer.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             self.current_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `T` to itself
[INFO] [stdout]   --> src/debouncer.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             self.current_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `S` to itself
[INFO] [stdout]   --> src/debouncer.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             self.repetition_count = self.repetition_count;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `T` to itself
[INFO] [stdout]   --> src/debouncer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             self.current_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `T` to itself
[INFO] [stdout]   --> src/debouncer.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             self.current_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "74f564e16a5d28a2c73ae9e9a9a53f49a8adc37553e94234542fb56fce6174f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f564e16a5d28a2c73ae9e9a9a53f49a8adc37553e94234542fb56fce6174f4", kill_on_drop: false }`
[INFO] [stdout] 74f564e16a5d28a2c73ae9e9a9a53f49a8adc37553e94234542fb56fce6174f4