[INFO] fetching crate mustafa_art 0.1.0...
[INFO] testing mustafa_art-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate mustafa_art 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mustafa_art 0.1.0
[INFO] finished tweaking crates.io crate mustafa_art 0.1.0
[INFO] tweaked toml for crates.io crate mustafa_art 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mustafa_art 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mustafa_art 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccb369bf7fb8599dba12230e93709b42b6cbf48e8a1b320fe592c48b76c78bc9
[INFO] running `Command { std: "docker" "start" "-a" "ccb369bf7fb8599dba12230e93709b42b6cbf48e8a1b320fe592c48b76c78bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccb369bf7fb8599dba12230e93709b42b6cbf48e8a1b320fe592c48b76c78bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb369bf7fb8599dba12230e93709b42b6cbf48e8a1b320fe592c48b76c78bc9", kill_on_drop: false }`
[INFO] [stdout] ccb369bf7fb8599dba12230e93709b42b6cbf48e8a1b320fe592c48b76c78bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 507fe85aeb44a89150eb2dd87d60582a96fcb13ede9587fca5ef9a7f3abe9fe3
[INFO] running `Command { std: "docker" "start" "-a" "507fe85aeb44a89150eb2dd87d60582a96fcb13ede9587fca5ef9a7f3abe9fe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mustafa_art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `color1`
[INFO] [stdout]   --> src/lib.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub fn mix(color1:PrimaryColors,color2:PrimaryColors)->SecondaryColors{
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mustafa_art` (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/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustc --crate-name mustafa_art --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e43258c7bfbfbdce -C extra-filename=-d0d66cadb96f8a9c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "507fe85aeb44a89150eb2dd87d60582a96fcb13ede9587fca5ef9a7f3abe9fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507fe85aeb44a89150eb2dd87d60582a96fcb13ede9587fca5ef9a7f3abe9fe3", kill_on_drop: false }`
[INFO] [stdout] 507fe85aeb44a89150eb2dd87d60582a96fcb13ede9587fca5ef9a7f3abe9fe3