[INFO] fetching crate constgebra 0.1.4...
[INFO] testing constgebra-0.1.4 against 1.90.0 for beta-1.91-2
[INFO] extracting crate constgebra 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate constgebra 0.1.4
[INFO] finished tweaking crates.io crate constgebra 0.1.4
[INFO] tweaked toml for crates.io crate constgebra 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate constgebra 0.1.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded const_soft_float v0.1.4
[INFO] [stderr]   Downloaded pretty_assertions v1.4.1
[INFO] [stderr]   Downloaded yansi v1.0.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98e8a84110f9e51887fd6a59992ccf6cb4893842e7c25019dfb1462e7cdb2b57
[INFO] running `Command { std: "docker" "start" "-a" "98e8a84110f9e51887fd6a59992ccf6cb4893842e7c25019dfb1462e7cdb2b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98e8a84110f9e51887fd6a59992ccf6cb4893842e7c25019dfb1462e7cdb2b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e8a84110f9e51887fd6a59992ccf6cb4893842e7c25019dfb1462e7cdb2b57", kill_on_drop: false }`
[INFO] [stdout] 98e8a84110f9e51887fd6a59992ccf6cb4893842e7c25019dfb1462e7cdb2b57
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ba47e30c24efaf74ab56bc9b7bd373631033be707766f2118132a68113759d
[INFO] running `Command { std: "docker" "start" "-a" "53ba47e30c24efaf74ab56bc9b7bd373631033be707766f2118132a68113759d", kill_on_drop: false }`
[INFO] [stderr]    Compiling constgebra v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/comptime.rs:978:7
[INFO] [stdout]     |
[INFO] [stdout] 978 | #[cfg(unused)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `constgebra` (lib); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name constgebra --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=6d9d15cc872787f0 -C extra-filename=-315f0b3655683391 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern const_soft_float=/opt/rustwide/target/debug/deps/libconst_soft_float-79b090b915a6828b.rmeta --cap-lints=warn` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "53ba47e30c24efaf74ab56bc9b7bd373631033be707766f2118132a68113759d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ba47e30c24efaf74ab56bc9b7bd373631033be707766f2118132a68113759d", kill_on_drop: false }`
[INFO] [stdout] 53ba47e30c24efaf74ab56bc9b7bd373631033be707766f2118132a68113759d
