[INFO] cloning repository https://github.com/sammiq/rcr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammiq/rcr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammiq%2Frcr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammiq%2Frcr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03adbd06fdfc0e30a3e87130b514884aa59164e8
[INFO] checking sammiq/rcr/03adbd06fdfc0e30a3e87130b514884aa59164e8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammiq%2Frcr" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sammiq/rcr 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/sammiq/rcr
[INFO] finished tweaking git repo https://github.com/sammiq/rcr
[INFO] tweaked toml for git repo https://github.com/sammiq/rcr written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sammiq/rcr 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wild v2.2.0
[INFO] [stderr]   Downloaded simple_logger v4.2.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00f31f2135e8676a6d19e883c6aa4d2ba5120dec49cbcb1f01ea0ddaa826b1c3
[INFO] running `Command { std: "docker" "start" "-a" "00f31f2135e8676a6d19e883c6aa4d2ba5120dec49cbcb1f01ea0ddaa826b1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00f31f2135e8676a6d19e883c6aa4d2ba5120dec49cbcb1f01ea0ddaa826b1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f31f2135e8676a6d19e883c6aa4d2ba5120dec49cbcb1f01ea0ddaa826b1c3", kill_on_drop: false }`
[INFO] [stdout] 00f31f2135e8676a6d19e883c6aa4d2ba5120dec49cbcb1f01ea0ddaa826b1c3
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c1952f39acde60e777dfbb7ee76e1f8b6e2c94be83aa05e59dc3fdf754729c
[INFO] running `Command { std: "docker" "start" "-a" "36c1952f39acde60e777dfbb7ee76e1f8b6e2c94be83aa05e59dc3fdf754729c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking roxmltree v0.18.1
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking wild v2.2.0
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking simple_logger v4.2.0
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking rcr v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `if_ok` is never used
[INFO] [stdout]   --> src/extensions.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait ResultExt<T, E> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] 21 |     fn if_ok<F>(self, f: F)
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `if_ok` is never used
[INFO] [stdout]   --> src/extensions.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait ResultExt<T, E> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] 21 |     fn if_ok<F>(self, f: F)
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `Command { std: "docker" "inspect" "36c1952f39acde60e777dfbb7ee76e1f8b6e2c94be83aa05e59dc3fdf754729c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c1952f39acde60e777dfbb7ee76e1f8b6e2c94be83aa05e59dc3fdf754729c", kill_on_drop: false }`
[INFO] [stdout] 36c1952f39acde60e777dfbb7ee76e1f8b6e2c94be83aa05e59dc3fdf754729c