[INFO] fetching crate coffee-ldr 0.1.2...
[INFO] testing coffee-ldr-0.1.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate coffee-ldr 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate coffee-ldr 0.1.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coffee-ldr 0.1.2
[INFO] finished tweaking crates.io crate coffee-ldr 0.1.2
[INFO] tweaked toml for crates.io crate coffee-ldr 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate coffee-ldr 0.1.2 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.11.1
[INFO] [stderr]   Downloaded rustix v0.37.20
[INFO] [stderr]   Downloaded clap_builder v4.3.5
[INFO] [stderr]   Downloaded clap_derive v4.3.2
[INFO] [stderr]   Downloaded clap v4.3.5
[INFO] [stderr]   Downloaded goblin v0.7.1
[INFO] [stderr]   Downloaded cstr_core v0.2.6
[INFO] [stderr]   Downloaded printf-compat v0.1.1
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e5ad7e8a16d5bf2450d495bd49abc3e5882e592bda5da9e12bbc250cbe6f939
[INFO] running `Command { std: "docker" "start" "-a" "4e5ad7e8a16d5bf2450d495bd49abc3e5882e592bda5da9e12bbc250cbe6f939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5ad7e8a16d5bf2450d495bd49abc3e5882e592bda5da9e12bbc250cbe6f939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5ad7e8a16d5bf2450d495bd49abc3e5882e592bda5da9e12bbc250cbe6f939", kill_on_drop: false }`
[INFO] [stdout] 4e5ad7e8a16d5bf2450d495bd49abc3e5882e592bda5da9e12bbc250cbe6f939
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a71365d020c76a4640598b82f904e5cbb79688f029827547211a222a9bc45c81
[INFO] running `Command { std: "docker" "start" "-a" "a71365d020c76a4640598b82f904e5cbb79688f029827547211a222a9bc45c81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.48.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling windows-targets v0.48.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling object v0.30.4
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling cstr_core v0.2.6
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling windows v0.48.0
[INFO] [stderr]    Compiling windows-sys v0.48.0
[INFO] [stderr]    Compiling widestring v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling printf-compat v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/printf-compat-0.1.1/src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | #![feature(c_variadic)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printf-compat` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a71365d020c76a4640598b82f904e5cbb79688f029827547211a222a9bc45c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71365d020c76a4640598b82f904e5cbb79688f029827547211a222a9bc45c81", kill_on_drop: false }`
[INFO] [stdout] a71365d020c76a4640598b82f904e5cbb79688f029827547211a222a9bc45c81
