[INFO] fetching crate rosrust 0.9.10...
[INFO] documenting rosrust-0.9.10 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate rosrust 0.9.10 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rosrust 0.9.10 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rosrust 0.9.10
[INFO] finished tweaking crates.io crate rosrust 0.9.10
[INFO] tweaked toml for crates.io crate rosrust 0.9.10 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rosrust 0.9.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-7/source/tests/benchmarks.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1958409a0967e0ef74a7c12dcdd19c013343a98787937cbdb25b87beee66bc2f
[INFO] running `Command { std: "docker" "start" "-a" "1958409a0967e0ef74a7c12dcdd19c013343a98787937cbdb25b87beee66bc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1958409a0967e0ef74a7c12dcdd19c013343a98787937cbdb25b87beee66bc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1958409a0967e0ef74a7c12dcdd19c013343a98787937cbdb25b87beee66bc2f", kill_on_drop: false }`
[INFO] [stdout] 1958409a0967e0ef74a7c12dcdd19c013343a98787937cbdb25b87beee66bc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e9ed78a6496d9df37ee41fa24f96f0353e7f493b79aa04c0cfb000e32bbbb57
[INFO] running `Command { std: "docker" "start" "-a" "5e9ed78a6496d9df37ee41fa24f96f0353e7f493b79aa04c0cfb000e32bbbb57", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/benchmarks.rs
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking xml-rs v0.6.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.26.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="read"' --cfg 'feature="read-core"' -C metadata=b7a84fadfbdd5082 -C extra-filename=-b7a84fadfbdd5082 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5e9ed78a6496d9df37ee41fa24f96f0353e7f493b79aa04c0cfb000e32bbbb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9ed78a6496d9df37ee41fa24f96f0353e7f493b79aa04c0cfb000e32bbbb57", kill_on_drop: false }`
[INFO] [stdout] 5e9ed78a6496d9df37ee41fa24f96f0353e7f493b79aa04c0cfb000e32bbbb57