[INFO] cloning repository https://github.com/scan/an-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scan/an-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscan%2Fan-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscan%2Fan-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36b06427a706a744a45f4f7b1962a9e937ceb63d
[INFO] checking scan/an-os against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscan%2Fan-os" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scan/an-os on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/scan/an-os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/scan/an-os
[INFO] tweaked toml for git repo https://github.com/scan/an-os written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scan/an-os 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x86_64 v0.5.5
[INFO] [stderr]   Downloaded uart_16550 v0.2.0
[INFO] [stderr]   Downloaded bootloader v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e99498d9a5902f0e36f613e2fc5bdae8cc487214f136017e3f0a989ff55cb240
[INFO] running `Command { std: "docker" "start" "-a" "e99498d9a5902f0e36f613e2fc5bdae8cc487214f136017e3f0a989ff55cb240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e99498d9a5902f0e36f613e2fc5bdae8cc487214f136017e3f0a989ff55cb240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99498d9a5902f0e36f613e2fc5bdae8cc487214f136017e3f0a989ff55cb240", kill_on_drop: false }`
[INFO] [stdout] e99498d9a5902f0e36f613e2fc5bdae8cc487214f136017e3f0a989ff55cb240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e37381523803bd1d7a7ad7ad3bfc38d255d6f60a1b2528697fe44dd5cbf865
[INFO] running `Command { std: "docker" "start" "-a" "c1e37381523803bd1d7a7ad7ad3bfc38d255d6f60a1b2528697fe44dd5cbf865", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]    Compiling bootloader v0.6.4
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta1V8Hca"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] error: could not compile `array-init` (lib) due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` (lib) due to 2 previous errors
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmeta37cY3N/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaAbRKED"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmas-elf` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaVNyV2m"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ux` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetathEvA5"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ux` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c1e37381523803bd1d7a7ad7ad3bfc38d255d6f60a1b2528697fe44dd5cbf865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e37381523803bd1d7a7ad7ad3bfc38d255d6f60a1b2528697fe44dd5cbf865", kill_on_drop: false }`
[INFO] [stdout] c1e37381523803bd1d7a7ad7ad3bfc38d255d6f60a1b2528697fe44dd5cbf865