[INFO] fetching crate mitsein 0.6.1...
[INFO] checking mitsein-0.6.1 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] extracting crate mitsein 0.6.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mitsein 0.6.1 on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mitsein 0.6.1
[INFO] finished tweaking crates.io crate mitsein 0.6.1
[INFO] tweaked toml for crates.io crate mitsein 0.6.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mitsein 0.6.1 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.24.0
[INFO] [stderr]   Downloaded rstest_macros v0.24.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52d0f1ddfc9fce1524c69874c673cc350dd2ac887d77fea71372c5cfbeab5794
[INFO] running `Command { std: "docker" "start" "-a" "52d0f1ddfc9fce1524c69874c673cc350dd2ac887d77fea71372c5cfbeab5794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52d0f1ddfc9fce1524c69874c673cc350dd2ac887d77fea71372c5cfbeab5794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d0f1ddfc9fce1524c69874c673cc350dd2ac887d77fea71372c5cfbeab5794", kill_on_drop: false }`
[INFO] [stdout] 52d0f1ddfc9fce1524c69874c673cc350dd2ac887d77fea71372c5cfbeab5794
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96dbd6c5e357f1a650e44e3df73df9256618bf5fccda24592f17854067869e6
[INFO] running `Command { std: "docker" "start" "-a" "c96dbd6c5e357f1a650e44e3df73df9256618bf5fccda24592f17854067869e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking mitsein v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `rustc_version` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48/bin/rustc --crate-name rustc_version --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc_version-0.4.1/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=cc18da531f1c3f94 -C extra-filename=-1b116b98bba25ec2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern semver=/opt/rustwide/target/debug/deps/libsemver-8c02f4621db1bd5e.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `proc-macro2` (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/2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48/bin/rustc --crate-name proc_macro2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.93/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="default"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly", "proc-macro", "span-locations"))' -C metadata=ba68533354cf852f -C extra-filename=-c1602ad0331f815a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6759994d78e94663.rmeta --cap-lints allow --cap-lints=forbid --cfg wrap_proc_macro --cfg proc_macro_span --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(no_is_available)' --check-cfg 'cfg(no_literal_byte_character)' --check-cfg 'cfg(no_literal_c_string)' --check-cfg 'cfg(no_source_text)' --check-cfg 'cfg(proc_macro_span)' --check-cfg 'cfg(procmacro2_backtrace)' --check-cfg 'cfg(procmacro2_nightly_testing)' --check-cfg 'cfg(procmacro2_semver_exempt)' --check-cfg 'cfg(randomize_layout)' --check-cfg 'cfg(span_locations)' --check-cfg 'cfg(super_unstable)' --check-cfg 'cfg(wrap_proc_macro)'` (exit status: 101)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/string1.rs:139:35
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn from_utf8_lossy(items: &Slice1<u8>) -> CowStr1 {
[INFO] [stdout]     |                                   ^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn from_utf8_lossy(items: &Slice1<u8>) -> CowStr1<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c96dbd6c5e357f1a650e44e3df73df9256618bf5fccda24592f17854067869e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96dbd6c5e357f1a650e44e3df73df9256618bf5fccda24592f17854067869e6", kill_on_drop: false }`
[INFO] [stdout] c96dbd6c5e357f1a650e44e3df73df9256618bf5fccda24592f17854067869e6