[INFO] cloning repository https://github.com/Prepodobnuy/rwal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Prepodobnuy/rwal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrepodobnuy%2Frwal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrepodobnuy%2Frwal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d243a6df121f7c11897b4b3997a6d77a11d517f5
[INFO] checking Prepodobnuy/rwal against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrepodobnuy%2Frwal" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Prepodobnuy/rwal
[INFO] finished tweaking git repo https://github.com/Prepodobnuy/rwal
[INFO] tweaked toml for git repo https://github.com/Prepodobnuy/rwal written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Prepodobnuy/rwal on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Prepodobnuy/rwal 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_datetime v0.7.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.5.0
[INFO] [stderr]   Downloaded serde_spanned v1.0.0
[INFO] [stderr]   Downloaded wit-bindgen v0.45.0
[INFO] [stderr]   Downloaded winapi-util v0.1.10
[INFO] [stderr]   Downloaded libredox v0.1.9
[INFO] [stderr]   Downloaded toml_writer v1.0.2
[INFO] [stderr]   Downloaded kmeans_colors v0.7.0
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.0
[INFO] [stderr]   Downloaded humantime v2.2.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded toml_parser v1.0.2
[INFO] [stderr]   Downloaded zune-jpeg v0.4.20
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded indexmap v2.11.0
[INFO] [stderr]   Downloaded cc v1.2.35
[INFO] [stderr]   Downloaded wasi v0.14.3+wasi-0.2.4
[INFO] [stderr]   Downloaded toml v0.9.5
[INFO] [stderr]   Downloaded env_logger v0.10.2
[INFO] [stderr]   Downloaded color-thief v0.2.2
[INFO] [stderr]   Downloaded pxfm v0.1.20
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d1666e7c37386beb0b50517617dc660b4b6ecbf243c3094b0962475a6b12cf1
[INFO] running `Command { std: "docker" "start" "-a" "6d1666e7c37386beb0b50517617dc660b4b6ecbf243c3094b0962475a6b12cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d1666e7c37386beb0b50517617dc660b4b6ecbf243c3094b0962475a6b12cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1666e7c37386beb0b50517617dc660b4b6ecbf243c3094b0962475a6b12cf1", kill_on_drop: false }`
[INFO] [stdout] 6d1666e7c37386beb0b50517617dc660b4b6ecbf243c3094b0962475a6b12cf1
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11968fc74d5c165b552a0541ed41018fc379f4626b48fa9011ccc06c8375fe52
[INFO] running `Command { std: "docker" "start" "-a" "11968fc74d5c165b552a0541ed41018fc379f4626b48fa9011ccc06c8375fe52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking imgref v1.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking zune-jpeg v0.4.20
[INFO] [stderr]     Checking pxfm v0.1.20
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling palette v0.7.6
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking fast-srgb8 v1.0.0
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking color-thief v0.2.2
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking flag v0.1.1 (/opt/rustwide/workdir/flag.rs)
[INFO] [stdout] warning: unused variable: `desc`
[INFO] [stdout]    --> flag.rs/src/flag.rs:126:58
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn fget_i32(&mut self, key: &str, fallback: i32, desc: &str) -> i32 {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_desc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Number` and `Bool` are never constructed
[INFO] [stdout]    --> flag.rs/src/flag.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 172 | enum Type {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] 173 |     String,
[INFO] [stdout] 174 |     Number,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     Bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking moxcms v0.7.5
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling palette_derive v0.7.6
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking fax v0.2.6
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking tiff v0.10.3
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stderr]     Checking av1-grain v0.2.4
[INFO] [stderr]     Checking rav1e v0.7.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]     Checking ravif v0.11.20
[INFO] [stderr]     Checking image v0.25.8
[INFO] [stderr]     Checking kmeans_colors v0.7.0
[INFO] [stderr]     Checking rwal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "11968fc74d5c165b552a0541ed41018fc379f4626b48fa9011ccc06c8375fe52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11968fc74d5c165b552a0541ed41018fc379f4626b48fa9011ccc06c8375fe52", kill_on_drop: false }`
[INFO] [stdout] 11968fc74d5c165b552a0541ed41018fc379f4626b48fa9011ccc06c8375fe52
