[INFO] fetching crate front-vec 0.0.8...
[INFO] testing front-vec-0.0.8 against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] extracting crate front-vec 0.0.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate front-vec 0.0.8 on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate front-vec 0.0.8
[INFO] finished tweaking crates.io crate front-vec 0.0.8
[INFO] tweaked toml for crates.io crate front-vec 0.0.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9604cc706767cb199135d0a5a0c39364ea4fa81623b40ad83c6aa3217a4c073a
[INFO] running `Command { std: "docker" "start" "-a" "9604cc706767cb199135d0a5a0c39364ea4fa81623b40ad83c6aa3217a4c073a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9604cc706767cb199135d0a5a0c39364ea4fa81623b40ad83c6aa3217a4c073a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9604cc706767cb199135d0a5a0c39364ea4fa81623b40ad83c6aa3217a4c073a", kill_on_drop: false }`
[INFO] [stdout] 9604cc706767cb199135d0a5a0c39364ea4fa81623b40ad83c6aa3217a4c073a
[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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f50cfeca63e5e85576a8060b8617e6cd0658d622181db50580f38169ed7bab7
[INFO] running `Command { std: "docker" "start" "-a" "5f50cfeca63e5e85576a8060b8617e6cd0658d622181db50580f38169ed7bab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling front-vec v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `ptr_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_internals, maybe_uninit_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_ref`: replaced by inherent assume_init_ref method; will eventually be removed
[INFO] [stdout]    --> src/front_vec/front_vec.rs:305:31
[INFO] [stdout]     |
[INFO] [stdout] 305 |         unsafe { MaybeUninit::slice_assume_init_ref(slice) }
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "5f50cfeca63e5e85576a8060b8617e6cd0658d622181db50580f38169ed7bab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f50cfeca63e5e85576a8060b8617e6cd0658d622181db50580f38169ed7bab7", kill_on_drop: false }`
[INFO] [stdout] 5f50cfeca63e5e85576a8060b8617e6cd0658d622181db50580f38169ed7bab7
[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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df01d1d682a26a787a649ca9a1077f6b181df8732d3a32bedceaf1767b8955a
[INFO] running `Command { std: "docker" "start" "-a" "2df01d1d682a26a787a649ca9a1077f6b181df8732d3a32bedceaf1767b8955a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stdout] warning: the feature `ptr_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_internals, maybe_uninit_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_ref`: replaced by inherent assume_init_ref method; will eventually be removed
[INFO] [stdout]    --> src/front_vec/front_vec.rs:305:31
[INFO] [stdout]     |
[INFO] [stdout] 305 |         unsafe { MaybeUninit::slice_assume_init_ref(slice) }
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling assert2-macros v0.3.15
[INFO] [stderr]    Compiling is-terminal v0.4.15
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (lib)
[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/552a959051cebf8f88a8f558399baf733bec9ce0/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=99e822fff575e9ce -C extra-filename=-525d301589911580 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f0e287c1d54fec0d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bd149706e69b9b9e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3690edd3a41f0e2.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "2df01d1d682a26a787a649ca9a1077f6b181df8732d3a32bedceaf1767b8955a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df01d1d682a26a787a649ca9a1077f6b181df8732d3a32bedceaf1767b8955a", kill_on_drop: false }`
[INFO] [stdout] 2df01d1d682a26a787a649ca9a1077f6b181df8732d3a32bedceaf1767b8955a