[INFO] cloning repository https://github.com/MadsAndreasen/rs-com
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MadsAndreasen/rs-com" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadsAndreasen%2Frs-com", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadsAndreasen%2Frs-com'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06ea1e15ffd5386b8298e2ab541985320fe62987
[INFO] checking MadsAndreasen/rs-com against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadsAndreasen%2Frs-com" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MadsAndreasen/rs-com on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MadsAndreasen/rs-com
[INFO] finished tweaking git repo https://github.com/MadsAndreasen/rs-com
[INFO] tweaked toml for git repo https://github.com/MadsAndreasen/rs-com written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MadsAndreasen/rs-com 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.51
[INFO] [stderr]   Downloaded unescaper v0.1.3
[INFO] [stderr]   Downloaded indexmap v2.2.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.51
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded clap_derive v4.5.3
[INFO] [stderr]   Downloaded anstream v0.6.7
[INFO] [stderr]   Downloaded clap v4.5.3
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.11
[INFO] [stderr]   Downloaded serde_yaml v0.9.34+deprecated
[INFO] [stderr]   Downloaded serialport v4.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85672d6371c70fcca8054b7241369b4e30bdc7f64cc9f208aea9d76b45a8a8f8
[INFO] running `Command { std: "docker" "start" "-a" "85672d6371c70fcca8054b7241369b4e30bdc7f64cc9f208aea9d76b45a8a8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85672d6371c70fcca8054b7241369b4e30bdc7f64cc9f208aea9d76b45a8a8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85672d6371c70fcca8054b7241369b4e30bdc7f64cc9f208aea9d76b45a8a8f8", kill_on_drop: false }`
[INFO] [stdout] 85672d6371c70fcca8054b7241369b4e30bdc7f64cc9f208aea9d76b45a8a8f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d7380aa1e3387131ac4de48b1191707cc129ae950fc842c872da1bc2f14131
[INFO] running `Command { std: "docker" "start" "-a" "f6d7380aa1e3387131ac4de48b1191707cc129ae950fc842c872da1bc2f14131", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking anstream v0.6.7
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.2.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]     Checking unescaper v0.1.3
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking rs-com v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde_yaml::{self};
[INFO] [stdout]   |                  ^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde_yaml::{self};
[INFO] [stdout]   |                  ^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Macro {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Macro` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Macro {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Macro` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 6.71s
[INFO] running `Command { std: "docker" "inspect" "f6d7380aa1e3387131ac4de48b1191707cc129ae950fc842c872da1bc2f14131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d7380aa1e3387131ac4de48b1191707cc129ae950fc842c872da1bc2f14131", kill_on_drop: false }`
[INFO] [stdout] f6d7380aa1e3387131ac4de48b1191707cc129ae950fc842c872da1bc2f14131