[INFO] cloning repository https://github.com/jerryhchen97/kwarpd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jerryhchen97/kwarpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerryhchen97%2Fkwarpd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerryhchen97%2Fkwarpd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34d8f012450fea3a31fa948a24246ff69a5eb91c
[INFO] checking jerryhchen97/kwarpd against 67a539cbdf2a0107837ce64f9069509a44da67b7 for pr-164053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerryhchen97%2Fkwarpd" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jerryhchen97/kwarpd
[INFO] finished tweaking git repo https://github.com/jerryhchen97/kwarpd
[INFO] tweaked toml for git repo https://github.com/jerryhchen97/kwarpd written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jerryhchen97/kwarpd on toolchain 67a539cbdf2a0107837ce64f9069509a44da67b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jerryhchen97/kwarpd 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" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `kwarpd` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1
[INFO] running `Command { std: "docker" "start" "8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `kwarpd` (manifest) generated 1 warning
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling wayland-sys v0.31.8
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling wayland-backend v0.3.12
[INFO] [stderr]    Compiling wayland-scanner v0.31.8
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking clap_lex v0.7.7
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking jiff v0.2.19
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking clap_builder v4.5.57
[INFO] [stderr]     Checking fontdue v0.9.3
[INFO] [stdout] error[E0658]: use of unstable library feature `liballoc_internals`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fontdue-0.9.3/src/font.rs:284:38
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut glyphs: Vec<Glyph> = vec::from_elem(Glyph::default(), glyph_count as usize);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(liballoc_internals)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-09; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fontdue` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1", kill_on_drop: false }`
[INFO] [stdout] 8d3b3709bd516cc49dd0e698c4bbd7453bea1ffe49d77dbecb22ea6fb966b1e1