[INFO] cloning repository https://github.com/smj-edison/hack-dj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smj-edison/hack-dj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmj-edison%2Fhack-dj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmj-edison%2Fhack-dj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c958f7b1c6f942c7cab6299b0881abba7f4aef03
[INFO] checking smj-edison/hack-dj against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmj-edison%2Fhack-dj" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smj-edison/hack-dj
[INFO] finished tweaking git repo https://github.com/smj-edison/hack-dj
[INFO] tweaked toml for git repo https://github.com/smj-edison/hack-dj written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smj-edison/hack-dj on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smj-edison/hack-dj 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 339cbef20c46ec8e6a2d25139255fb8427d07b6f481e72625ea4b0bb0cd86673
[INFO] running `Command { std: "docker" "start" "-a" "339cbef20c46ec8e6a2d25139255fb8427d07b6f481e72625ea4b0bb0cd86673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339cbef20c46ec8e6a2d25139255fb8427d07b6f481e72625ea4b0bb0cd86673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339cbef20c46ec8e6a2d25139255fb8427d07b6f481e72625ea4b0bb0cd86673", kill_on_drop: false }`
[INFO] [stdout] 339cbef20c46ec8e6a2d25139255fb8427d07b6f481e72625ea4b0bb0cd86673
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b57e52b51fdac209d5aa480c3188edfb86a7ded19b4e6e050304a3c901368cc
[INFO] running `Command { std: "docker" "start" "-a" "3b57e52b51fdac209d5aa480c3188edfb86a7ded19b4e6e050304a3c901368cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling gc-arena-derive v0.5.3
[INFO] [stderr]     Checking gc-arena v0.5.3
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking unescaper v0.1.4
[INFO] [stderr]     Checking piccolo v0.3.2
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking hack-dj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]  --> src/dmx.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let start = time::Instant::now();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_dmx_packet` is never used
[INFO] [stdout]  --> src/dmx.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn send_dmx_packet(port: &mut dyn SerialPort, channels: &[u8]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     port.set_break();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = port.set_break();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     port.clear_break();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = port.clear_break();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     port.write_all(&[0x00]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let _ = port.write_all(&[0x00]);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     port.write_all(&channels);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = port.write_all(&channels);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]  --> src/dmx.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let start = time::Instant::now();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_dmx_packet` is never used
[INFO] [stdout]  --> src/dmx.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn send_dmx_packet(port: &mut dyn SerialPort, channels: &[u8]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     port.set_break();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = port.set_break();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     port.clear_break();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = port.clear_break();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     port.write_all(&[0x00]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let _ = port.write_all(&[0x00]);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dmx.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     port.write_all(&channels);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = port.write_all(&channels);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io, meta_ops, Callback, CallbackReturn, Closure, Executor, Function, Lua, PrototypeError,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io, meta_ops, Callback, CallbackReturn, Closure, Executor, Function, Lua, PrototypeError,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.77s
[INFO] running `Command { std: "docker" "inspect" "3b57e52b51fdac209d5aa480c3188edfb86a7ded19b4e6e050304a3c901368cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b57e52b51fdac209d5aa480c3188edfb86a7ded19b4e6e050304a3c901368cc", kill_on_drop: false }`
[INFO] [stdout] 3b57e52b51fdac209d5aa480c3188edfb86a7ded19b4e6e050304a3c901368cc